Merge remote-tracking branch 'upstream/master' into bat_style

2018-09-12 21:40:41 +02:00 · 2018-09-12 21:40:41 +02:00 · 63d32bc818
parent dccf8d8221 97129ab9d8
commit 63d32bc818
39 changed files with 1362 additions and 243 deletions
--- a/.gitmodules
+++ b/.gitmodules
@ -88,3 +88,6 @@
 [submodule "assets/syntaxes/Crystal"]
 	path = assets/syntaxes/Crystal
 	url = https://github.com/crystal-lang-tools/sublime-crystal.git
+[submodule "assets/syntaxes/PowerShell"]
+	path = assets/syntaxes/PowerShell
+	url = https://github.com/PowerShell/EditorSyntax
--- a/.travis.yml
+++ b/.travis.yml
@ -23,7 +23,13 @@ matrix:
        - TARGET=arm-unknown-linux-gnueabihf
        - CC_arm_unknown_linux_gnueabihf=/usr/bin/arm-linux-gnueabihf-gcc-4.8
        - CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc-4.8
-
+    - os: linux
+      rust: stable
+      env:
+        - TARGET=aarch64-unknown-linux-gnu
+        - CC_aarch64-unknown-linux-gnu=/usr/bin/aarch64-linux-gnu-gcc-4.8
+        - CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc-4.8
+        
    # Minimum Rust supported channel.
    - os: linux
      rust: 1.26.0
--- a/assets/syntaxes/PowerShell
+++ b/assets/syntaxes/PowerShell
@ -0,0 +1 @@
+Subproject commit 12b7d7257eb493e45a9af0af9094ec0c2a996712
--- a/assets/syntaxes/PowerShell.sublime-syntax
+++ b/assets/syntaxes/PowerShell.sublime-syntax
@ -0,0 +1,466 @@
+%YAML 1.2
+---
+# http://www.sublimetext.com/docs/3/syntax.html
+name: PowerShell
+file_extensions:
+  - ps1
+  - psm1
+  - psd1
+scope: source.powershell
+contexts:
+  main:
+    - match: "<#"
+      captures:
+        0: punctuation.definition.comment.block.begin.powershell
+      push:
+        - meta_scope: comment.block.powershell
+        - match: "#>"
+          captures:
+            0: punctuation.definition.comment.block.end.powershell
+          pop: true
+        - include: commentEmbeddedDocs
+    - match: '[2-6]>&1|>>|>|<<|<|>|>\||[1-6]>|[1-6]>>'
+      scope: keyword.operator.redirection.powershell
+    - include: commands
+    - include: commentLine
+    - include: variable
+    - include: interpolatedStringContent
+    - include: function
+    - include: attribute
+    - include: UsingDirective
+    - include: type
+    - include: hashtable
+    - include: doubleQuotedString
+    - include: scriptblock
+    - include: doubleQuotedStringEscapes
+    - match: (?<!')'
+      captures:
+        0: punctuation.definition.string.begin.powershell
+      push:
+        - meta_scope: string.quoted.single.powershell
+        - match: "'(?!')"
+          captures:
+            0: punctuation.definition.string.end.powershell
+          pop: true
+        - match: "''"
+          scope: constant.character.escape.powershell
+    - match: \@"(?=$)
+      push:
+        - meta_scope: string.quoted.double.heredoc.powershell
+        - match: ^"@
+          pop: true
+        - include: variableNoProperty
+        - include: doubleQuotedStringEscapes
+        - include: interpolation
+    - match: \@'(?=$)
+      push:
+        - meta_scope: string.quoted.single.heredoc.powershell
+        - match: ^'@
+          pop: true
+        - match: "''"
+          scope: constant.character.escape.powershell
+    - include: numericConstant
+    - match: (@)(\()
+      captures:
+        1: keyword.other.array.begin.powershell
+        2: punctuation.section.group.begin.powershell
+      push:
+        - meta_scope: meta.group.array-expression.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+    - match: (\$)(\()
+      comment: "TODO: move to repo; make recursive."
+      captures:
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.group.begin.powershell
+      push:
+        - meta_scope: meta.group.complex.subexpression.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+    - match: '(\b(([A-Za-z0-9\-_\.]+)\.(?i:exe|com|cmd|bat))\b)'
+      scope: support.function.powershell
+    - match: (?<!\w|-|\.)((?i:begin|break|catch|continue|data|default|define|do|dynamicparam|else|elseif|end|exit|finally|for|from|if|in|inlinescript|parallel|param|process|return|sequence|switch|throw|trap|try|until|var|while)|%|\?)(?!\w)
+      scope: keyword.control.powershell
+    - match: '(?<!\w|-|[^\)]\.)((?i:(foreach|where)(?!-object))|%|\?)(?!\w)'
+      scope: keyword.control.powershell
+    - match: (?<!\w)(--%)(?!\w)
+      comment: This should be moved to the repository at some point.
+      captures:
+        1: keyword.control.powershell
+      push:
+        - match: $
+          pop: true
+        - match: .+
+          scope: string.unquoted.powershell
+    - match: (?<!\w)((?i:hidden|static))(?!\w)
+      comment: This should only be relevant inside a class but will require a rework of how classes are matched. This is a temp fix.
+      scope: storage.modifier.powershell
+    - match: '(?<!\w|-)((?i:class)|%|\?)(?:\s)+((?:\p{L}|\d|_|-|)+)\b'
+      comment: capture should be entity.name.type, but it doesn't provide a good color in the default schema.
+      captures:
+        1: storage.type.powershell
+        2: entity.name.function
+    - match: (?<!\w)-(?i:is(?:not)?|as)\b
+      scope: keyword.operator.comparison.powershell
+    - match: '(?<!\w)-(?i:[ic]?(?:eq|ne|[gl][te]|(?:not)?(?:like|match|contains|in)|replace))(?!\p{L})'
+      scope: keyword.operator.comparison.powershell
+    - match: '(?<!\w)-(?i:join|split)(?!\p{L})|!'
+      scope: keyword.operator.unary.powershell
+    - match: '(?<!\w)-(?i:and|or|not|xor)(?!\p{L})|!'
+      scope: keyword.operator.logical.powershell
+    - match: '(?<!\w)-(?i:band|bor|bnot|bxor|shl|shr)(?!\p{L})'
+      scope: keyword.operator.bitwise.powershell
+    - match: '(?<!\w)-(?i:f)(?!\p{L})'
+      scope: keyword.operator.string-format.powershell
+    - match: "[+%*/-]?=|[+/*%-]"
+      scope: keyword.operator.assignment.powershell
+    - match: '\|{2}|&{2}|;'
+      scope: punctuation.terminator.statement.powershell
+    - match: '&|(?<!\w)\.(?= )|`|,|\|'
+      scope: keyword.operator.other.powershell
+    - match: (?<!\s|^)\.\.(?=\-?\d|\(|\$)
+      comment: This is very imprecise, is there a syntax for 'must come after...'
+      scope: keyword.operator.range.powershell
+  RequiresDirective:
+    - match: (?<=#)(?i:(requires))\s
+      captures:
+        0: keyword.control.requires.powershell
+      push:
+        - meta_scope: meta.requires.powershell
+        - match: $
+          pop: true
+        - match: \-(?i:Modules|PSSnapin|RunAsAdministrator|ShellId|Version)
+          scope: keyword.other.powershell
+        - match: '(?<!-)\b\p{L}+|\d+(?:\.\d+)*'
+          scope: variable.parameter.powershell
+        - include: hashtable
+  UsingDirective:
+    - match: (?<!\w)(?i:(using))\s+(?i:(namespace|module))\s+(?i:((?:\w+(?:\.)?)+))
+      captures:
+        1: keyword.control.using.powershell
+        2: keyword.other.powershell
+        3: variable.parameter.powershell
+  attribute:
+    - match: '(\[)\s*\b(?i)(cmdletbinding|alias|outputtype|parameter|validatenotnull|validatenotnullorempty|validatecount|validateset|allownull|allowemptycollection|allowemptystring|validatescript|validaterange|validatepattern|validatelength)\b'
+      captures:
+        1: punctuation.section.bracket.begin.powershell
+        2: support.function.attribute.powershell
+      push:
+        - meta_scope: meta.attribute.powershell
+        - match: '(\])'
+          captures:
+            1: punctuation.section.bracket.end.powershell
+          pop: true
+        - match: \(
+          captures:
+            0: punctuation.section.group.begin.powershell
+          push:
+            - match: \)
+              captures:
+                0: punctuation.section.group.end.powershell
+              pop: true
+            - include: variable
+            - include: variableNoProperty
+            - include: hashtable
+            - include: scriptblock
+            - include: doubleQuotedStringEscapes
+            - include: doubleQuotedString
+            - include: type
+            - include: numericConstant
+            - include: doubleQuotedString
+            - include: main
+            - match: (?i)\b(mandatory|valuefrompipeline|valuefrompipelinebypropertyname|valuefromremainingarguments|position|parametersetname|defaultparametersetname|supportsshouldprocess|supportspaging|positionalbinding|helpuri|confirmimpact|helpmessage)\b(?:\s+)?(=)?
+              captures:
+                1: variable.parameter.attribute.powershell
+                2: keyword.operator.assignment.powershell
+            - match: (?<!')'
+              captures:
+                0: punctuation.definition.string.begin.powershell
+              push:
+                - meta_scope: string.quoted.single.powershell
+                - match: "'(?!')"
+                  captures:
+                    0: punctuation.definition.string.end.powershell
+                  pop: true
+                - match: "''"
+                  scope: constant.character.escape.powershell
+  commands:
+    - match: '(?:(\p{L}|\d|_|-|\\|\:)*\\)?\b(?i:Add|Approve|Assert|Backup|Block|Build|Checkpoint|Clear|Close|Compare|Complete|Compress|Confirm|Connect|Convert|ConvertFrom|ConvertTo|Copy|Debug|Deny|Deploy|Disable|Disconnect|Dismount|Edit|Enable|Enter|Exit|Expand|Export|Find|Format|Get|Grant|Group|Hide|Import|Initialize|Install|Invoke|Join|Limit|Lock|Measure|Merge|Mount|Move|New|Open|Optimize|Out|Ping|Pop|Protect|Publish|Push|Read|Receive|Redo|Register|Remove|Rename|Repair|Request|Reset|Resize|Resolve|Restart|Restore|Resume|Revoke|Save|Search|Select|Send|Set|Show|Skip|Split|Start|Step|Stop|Submit|Suspend|Switch|Sync|Test|Trace|Unblock|Undo|Uninstall|Unlock|Unprotect|Unpublish|Unregister|Update|Use|Wait|Watch|Write)\-.+?(?:\.(?i:exe|cmd|bat|ps1))?\b'
+      comment: "Verb-Noun pattern:"
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:foreach-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:where-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:sort-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+    - match: (?<!\w)(?i:tee-object)(?!\w)
+      comment: Builtin cmdlets with reserved verbs
+      scope: support.function.powershell
+  commentEmbeddedDocs:
+    - match: ^(?i:(?:\s?|#)+(\.)(COMPONENT|DESCRIPTION|EXAMPLE|EXTERNALHELP|FORWARDHELPCATEGORY|FORWARDHELPTARGETNAME|FUNCTIONALITY|INPUTS|LINK|NOTES|OUTPUTS|REMOTEHELPRUNSPACE|ROLE|SYNOPSIS))
+      scope: comment.documentation.embedded.powershell
+      captures:
+        1: constant.string.documentation.powershell
+        2: keyword.operator.documentation.powershell
+    - match: '(?i:\s?(\.)(PARAMETER|FORWARDHELPTARGETNAME|FORWARDHELPCATEGORY|REMOTEHELPRUNSPACE|EXTERNALHELP)\s+([a-z0-9-_]+))'
+      scope: comment.documentation.embedded.powershell
+      captures:
+        1: constant.string.documentation.powershell
+        2: keyword.operator.documentation.powershell
+        3: keyword.operator.documentation.powershell
+  commentLine:
+    - match: '(?<![`\\-])#'
+      captures:
+        0: punctuation.definition.comment.powershell
+      push:
+        - meta_scope: comment.line.powershell
+        - match: $\n?
+          captures:
+            0: punctuation.definition.comment.powershell
+          pop: true
+        - include: commentEmbeddedDocs
+        - include: RequiresDirective
+  doubleQuotedString:
+    - match: (?<!(?<!`)")"
+      captures:
+        0: punctuation.definition.string.begin.powershell
+      push:
+        - meta_scope: string.quoted.double.powershell
+        - match: '"(?!")'
+          captures:
+            0: punctuation.definition.string.end.powershell
+          pop: true
+        - match: '(?i)\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,64}\b'
+        - include: variableNoProperty
+        - include: variable
+        - include: doubleQuotedStringEscapes
+        - include: interpolation
+        - match: '`\s*$'
+          scope: keyword.other.powershell
+  doubleQuotedStringEscapes:
+    - match: '`[0abnfrvt"''$`]'
+      scope: constant.character.escape.powershell
+    - match: '""'
+      scope: constant.character.escape.powershell
+  function:
+    - match: '^(?:\s*+)(?i)(function|filter|configuration|workflow)\s+(?:(global|local|script|private):)?((?:\p{L}|\d|_|-|\.)+)'
+      captures:
+        0: meta.function.powershell
+        1: storage.type.powershell
+        2: storage.modifier.scope.powershell
+        3: entity.name.function.powershell
+      push:
+        - match: '(?=\{|\()'
+          pop: true
+        - include: commentLine
+  hashtable:
+    - match: '(@)(\{)'
+      captures:
+        1: keyword.other.hashtable.begin.powershell
+        2: punctuation.section.braces.begin.powershell
+      push:
+        - meta_scope: meta.hashtable.powershell
+        - match: '(\})'
+          captures:
+            1: punctuation.section.braces.end.powershell
+          pop: true
+        - match: \b((?:\'|\")?)(\w+)((?:\'|\")?)(?:\s+)?(=)(?:\s+)?
+          scope: meta.hashtable.assignment.powershell
+          captures:
+            1: punctuation.definition.string.begin.powershell
+            2: variable.other.readwrite.powershell
+            3: punctuation.definition.string.end.powershell
+            4: keyword.operator.assignment.powershell
+        - include: scriptblock
+        - include: main
+  interpolatedStringContent:
+    - match: \(
+      captures:
+        0: punctuation.section.group.begin.powershell
+      push:
+        - meta_content_scope: interpolated.simple.source.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+        - include: interpolation
+        - include: interpolatedStringContent
+  interpolation:
+    - match: (\$)(\()
+      captures:
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.group.begin.powershell
+      push:
+        - meta_content_scope: interpolated.complex.source.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
+        - include: interpolation
+        - include: interpolatedStringContent
+  numericConstant:
+    - match: '(?<!\w)([-+]?0(?:x|X)[0-9a-fA-F_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.hex.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?(?:[0-9_]+)?\.[0-9_]+(?:(?:e|E)[0-9]+)?(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?0(?:b|B)[01_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.octal.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+\.(?:e|E)(?:[0-9_])?+(?:F|f|D|d|M|m)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+[\.]?(?:F|f|D|d|M|m))((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+    - match: '(?<!\w)([-+]?[0-9_]+[\.]?(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b'
+      captures:
+        1: constant.numeric.integer.powershell
+        2: keyword.other.powershell
+  scriptblock:
+    - match: '\{'
+      captures:
+        0: punctuation.section.braces.begin.powershell
+      push:
+        - meta_scope: meta.scriptblock.powershell
+        - match: '\}'
+          captures:
+            0: punctuation.section.braces.end.powershell
+          pop: true
+        - include: main
+  type:
+    - match: '\['
+      captures:
+        0: punctuation.section.bracket.begin.powershell
+      push:
+        - match: '\]'
+          captures:
+            0: punctuation.section.bracket.end.powershell
+          pop: true
+        - match: '(?!\d+|\.)(?:\p{L}|\p{N}|\.)+'
+          scope: storage.type.powershell
+        - include: main
+  variable:
+    - match: (\$)(?i:(False|Null|True))\b
+      comment: These are special constants.
+      captures:
+        0: constant.language.powershell
+        1: punctuation.definition.variable.powershell
+    - match: '(\$)(?i:(Error|ExecutionContext|Host|Home|PID|PsHome|PsVersionTable|ShellID))((?:\.(?:\p{L}|\d|_)+)*\b)?\b'
+      comment: These are the other built-in constants.
+      captures:
+        0: support.constant.variable.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(\$)(?i:(\$|\^|\?|_|Args|ConsoleFileName|Event|EventArgs|EventSubscriber|ForEach|Input|LastExitCode|Matches|MyInvocation|NestedPromptLevel|Profile|PSBoundParameters|PsCmdlet|PsCulture|PSDebugContext|PSItem|PSCommandPath|PSScriptRoot|PsUICulture|Pwd|Sender|SourceArgs|SourceEventArgs|StackTrace|Switch|This))((?:\.(?:\p{L}|\d|_)+)*\b)?\b'
+      comment: Automatic variables are not constants, but they are read-only. In monokai (default) color schema support.variable doesn't have color, so we use constant.
+      captures:
+        0: support.constant.automatic.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(\$)(?i:(ConfirmPreference|DebugPreference|ErrorActionPreference|ErrorView|FormatEnumerationLimit|MaximumAliasCount|MaximumDriveCount|MaximumErrorCount|MaximumFunctionCount|MaximumHistoryCount|MaximumVariableCount|OFS|OutputEncoding|ProgressPreference|PsCulture|PSDebugContext|PSDefaultParameterValues|PSEmailServer|PSItem|PSModuleAutoloadingPreference|PSSenderInfo|PSSessionApplicationName|PSSessionConfigurationName|PSSessionOption|VerbosePreference|WarningPreference|WhatIfPreference))((?:\.(?:\p{L}|\d|_)+)*\b)?\b'
+      comment: Style preference variables as language variables so that they stand out.
+      captures:
+        0: variable.language.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(?i:(\$|@)(global|local|private|script|using|workflow):((?:\p{L}|\d|_)+))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: storage.modifier.scope.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)(global|local|private|script|using|workflow):([^}]*[^}`])(\}))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.braces.begin.powershell
+        3: storage.modifier.scope.powershell
+        5: punctuation.section.braces.end.powershell
+        6: variable.other.member.powershell
+    - match: '(?i:(\$|@)((?:\p{L}|\d|_)+:)?((?:\p{L}|\d|_)+))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: support.variable.drive.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)((?:\p{L}|\d|_)+:)?([^}]*[^}`])(\}))((?:\.(?:\p{L}|\d|_)+)*\b)?'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.braces.begin.powershell
+        3: support.variable.drive.powershell
+        5: punctuation.section.braces.end.powershell
+        6: variable.other.member.powershell
+  variableNoProperty:
+    - match: (\$)(?i:(False|Null|True))\b
+      comment: These are special constants.
+      captures:
+        0: constant.language.powershell
+        1: punctuation.definition.variable.powershell
+    - match: (\$)(?i:(Error|ExecutionContext|Host|Home|PID|PsHome|PsVersionTable|ShellID))\b
+      comment: These are the other built-in constants.
+      captures:
+        0: support.constant.variable.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: (\$)(?i:(\$|\^|\?|_|Args|ConsoleFileName|Event|EventArgs|EventSubscriber|ForEach|Input|LastExitCode|Matches|MyInvocation|NestedPromptLevel|Profile|PSBoundParameters|PsCmdlet|PsCulture|PSDebugContext|PSItem|PSCommandPath|PSScriptRoot|PsUICulture|Pwd|Sender|SourceArgs|SourceEventArgs|StackTrace|Switch|This))\b
+      comment: Automatic variables are not constants, but they are read-only...
+      captures:
+        0: support.variable.automatic.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: (\$)(?i:(ConfirmPreference|DebugPreference|ErrorActionPreference|ErrorView|FormatEnumerationLimit|MaximumAliasCount|MaximumDriveCount|MaximumErrorCount|MaximumFunctionCount|MaximumHistoryCount|MaximumVariableCount|OFS|OutputEncoding|ProgressPreference|PsCulture|PSDebugContext|PSDefaultParameterValues|PSEmailServer|PSItem|PSModuleAutoloadingPreference|PSSenderInfo|PSSessionApplicationName|PSSessionConfigurationName|PSSessionOption|VerbosePreference|WarningPreference|WhatIfPreference))\b
+      comment: Style preference variables as language variables so that they stand out.
+      captures:
+        0: variable.language.powershell
+        1: punctuation.definition.variable.powershell
+        3: variable.other.member.powershell
+    - match: '(?i:(\$|@)(global|local|private|script|using|workflow):((?:\p{L}|\d|_)+))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: storage.modifier.scope.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)(global|local|private|script|using|workflow):([^}]*[^}`])(\}))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: storage.modifier.scope.powershell
+        4: keyword.other.powershell
+        5: variable.other.member.powershell
+    - match: '(?i:(\$)((?:\p{L}|\d|_)+:)?((?:\p{L}|\d|_)+))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: support.variable.drive.powershell
+        4: variable.other.member.powershell
+    - match: '(?i:(\$)(\{)((?:\p{L}|\d|_)+:)?([^}]*[^}`])(\}))'
+      captures:
+        0: variable.other.readwrite.powershell
+        1: punctuation.definition.variable.powershell
+        2: punctuation.section.braces.begin
+        3: support.variable.drive.powershell
+        5: punctuation.section.braces.end
--- a/ci/before_deploy.bash
+++ b/ci/before_deploy.bash
@ -19,6 +19,8 @@ pack() {

    if [[ $TARGET == "arm-unknown-linux-gnueabihf" ]]; then
        gcc_prefix="arm-linux-gnueabihf-"
+    elif [[ $TARGET == "aarch64-unknown-linux-gnu" ]]; then
+        gcc_prefix="aarch64-linux-gnu-"
    else
        gcc_prefix=""
    fi
@ -49,13 +51,24 @@ make_deb() {
    local version
    local dpkgname
    local conflictname
+    local gcc_prefix

    case $TARGET in
        x86_64*)
            architecture=amd64
+            gcc_prefix=""
            ;;
        i686*)
            architecture=i386
+            gcc_prefix=""
+            ;;
+        aarch64*)
+            architecture=arm64
+            gcc_prefix="aarch64-linux-gnu-"
+            ;;
+        arm*hf) 
+            architecture=armhf  
+            gcc_prefix="arm-linux-gnueabihf-"   
            ;;
        *)
            echo "make_deb: skipping target '${TARGET}'" >&2
@ -75,7 +88,7 @@ make_deb() {

    # copy the main binary
    install -Dm755 "target/$TARGET/release/$PROJECT_NAME" "$tempdir/usr/bin/$PROJECT_NAME"
-    strip "$tempdir/usr/bin/$PROJECT_NAME"
+    "${gcc_prefix}"strip "$tempdir/usr/bin/$PROJECT_NAME"

    # manpage
    install -Dm644 "doc/$PROJECT_NAME.1" "$tempdir/usr/share/man/man1/$PROJECT_NAME.1"
--- a/ci/before_install.bash
+++ b/ci/before_install.bash
@ -27,3 +27,11 @@ if [[ $TARGET == arm-unknown-linux-gnueabihf ]]; then
        libc6-armhf-cross \
        libc6-dev-armhf-cross
 fi
+
+# needed for cross-compiling for arm64
+if [[ $TARGET == aarch64-unknown-linux-gnu ]]; then
+    sudo apt-get install -y \
+        gcc-4.8-aarch64-linux-gnu \
+        binutils-aarch64-linux-gnu \
+        gcc-aarch64-linux-gnu
+fi
--- a/ci/script.bash
+++ b/ci/script.bash
@ -6,7 +6,7 @@ set -ex
 cargo build --target "$TARGET" --verbose

 # We cannot run arm executables on linux
-if [[ $TARGET != arm-unknown-linux-gnueabihf ]]; then
+if [[ $TARGET != arm-unknown-linux-gnueabihf ]] && [[ $TARGET != aarch64-unknown-linux-gnu ]]; then
    cargo test --target "$TARGET" --verbose

    # Run 'bat' on its own source code and the README
--- a/src/app.rs
+++ b/src/app.rs
@ -17,7 +17,7 @@ use errors::*;
 use line_range::LineRange;
 use style::{OutputComponent, OutputComponents, OutputWrap};

-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum PagingMode {
    Always,
    QuitIfOneScreen,
@ -42,6 +42,10 @@ pub struct Config<'a> {
    /// The character width of the terminal
    pub term_width: usize,

+    /// The width of tab characters.
+    /// Currently, a value of 0 will cause tabs to be passed through without expanding them.
+    pub tab_width: usize,
+
    /// Whether or not to simply loop through all input (`cat` mode)
    pub loop_through: bool,

@ -131,7 +135,7 @@ impl App {
                         to read from standard input.",
                    ).multiple(true)
                    .empty_values(false),
-                    )
+            )
            .arg(
                Arg::with_name("language")
                    .short("l")
@ -145,196 +149,210 @@ impl App {
                        language names and file extensions."
                    ).takes_value(true),
            ).arg(
-                Arg::with_name("list-languages")
-                    .long("list-languages")
-                    .conflicts_with("list-themes")
-                    .help("Display all supported languages.")
-                    .long_help("Display a list of supported languages for syntax highlighting."),
-            ).arg(
-                Arg::with_name("theme")
-                    .long("theme")
-                    .overrides_with("theme")
-                    .takes_value(true)
-                    .help("Set the color theme for syntax highlighting.")
-                    .long_help(
-                        "Set the theme for syntax highlighting. Use '--list-themes' to \
+            Arg::with_name("list-languages")
+                .long("list-languages")
+                .conflicts_with("list-themes")
+                .help("Display all supported languages.")
+                .long_help("Display a list of supported languages for syntax highlighting."),
+        ).arg(
+            Arg::with_name("theme")
+                .long("theme")
+                .overrides_with("theme")
+                .takes_value(true)
+                .help("Set the color theme for syntax highlighting.")
+                .long_help(
+                    "Set the theme for syntax highlighting. Use '--list-themes' to \
                         see all available themes. To set a default theme, export the \
                         BAT_THEME environment variable (e.g.: export \
                         BAT_THEME=\"TwoDark\").",
-                    ),
-            ).arg(
-                Arg::with_name("list-themes")
-                    .long("list-themes")
-                    .help("Display all supported highlighting themes.")
-                    .long_help("Display a list of supported themes for syntax highlighting."),
-            ).arg(
-                Arg::with_name("style")
-                    .long("style")
-                    .value_name("style-components")
-                    .use_delimiter(true)
-                    .takes_value(true)
-                    .possible_values(&[
-                        "auto", "full", "plain", "changes", "header", "grid", "numbers",
-                    ])
-                    .help("Comma-separated list of style elements to display.")
-                    .long_help(
-                        "Configure which elements (line numbers, file headers, grid \
+                ),
+        ).arg(
+            Arg::with_name("list-themes")
+                .long("list-themes")
+                .help("Display all supported highlighting themes.")
+                .long_help("Display a list of supported themes for syntax highlighting."),
+        ).arg(
+            Arg::with_name("style")
+                .long("style")
+                .value_name("style-components")
+                .use_delimiter(true)
+                .takes_value(true)
+                .possible_values(&[
+                    "auto", "full", "plain", "changes", "header", "grid", "numbers",
+                ])
+                .help("Comma-separated list of style elements to display.")
+                .long_help(
+                    "Configure which elements (line numbers, file headers, grid \
                         borders, Git modifications, ..) to display in addition to the \
                         file contents. The argument is a comma-separated list of \
                         components to display (e.g. 'numbers,changes,grid') or a \
                         pre-defined style ('full'). To set a default theme, export the \
                         BAT_STYLE environment variable (e.g.: export BAT_STYLE=\"numbers\").",
-                    ),
-            ).arg(
-                Arg::with_name("plain")
-                    .overrides_with("plain")
-                    .short("p")
-                    .long("plain")
-                    .conflicts_with("style")
-                    .conflicts_with("number")
-                    .help("Show plain style (alias for '--style=plain').")
-                    .long_help(
-                        "Only show plain style, no decorations. This is an alias for \
+                ),
+        ).arg(
+            Arg::with_name("plain")
+                .overrides_with("plain")
+                .short("p")
+                .long("plain")
+                .conflicts_with("style")
+                .conflicts_with("number")
+                .help("Show plain style (alias for '--style=plain').")
+                .long_help(
+                    "Only show plain style, no decorations. This is an alias for \
                         '--style=plain'",
-                    ),
-            ).arg(
-                Arg::with_name("number")
-                    .long("number")
-                    .overrides_with("number")
-                    .short("n")
-                    .conflicts_with("style")
-                    .help("Show line numbers (alias for '--style=numbers').")
-                    .long_help(
-                        "Only show line numbers, no other decorations. This is an alias for \
+                ),
+        ).arg(
+            Arg::with_name("number")
+                .long("number")
+                .overrides_with("number")
+                .short("n")
+                .conflicts_with("style")
+                .help("Show line numbers (alias for '--style=numbers').")
+                .long_help(
+                    "Only show line numbers, no other decorations. This is an alias for \
                         '--style=numbers'",
-                    ),
-            ).arg(
-                Arg::with_name("line-range")
-                    .long("line-range")
-                    .overrides_with("line-range")
-                    .takes_value(true)
-                    .value_name("N:M")
-                    .help("Only print the lines from N to M.")
-                    .long_help(
-                        "Only print the specified range of lines for each file. \
+                ),
+        ).arg(
+            Arg::with_name("line-range")
+                .long("line-range")
+                .overrides_with("line-range")
+                .takes_value(true)
+                .value_name("N:M")
+                .help("Only print the lines from N to M.")
+                .long_help(
+                    "Only print the specified range of lines for each file. \
                         For example:\n  \
                         '--line-range 30:40' prints lines 30 to 40\n  \
                         '--line-range :40' prints lines 1 to 40\n  \
                         '--line-range 40:' prints lines 40 to the end of the file",
-                    ),
-            ).arg(
-                Arg::with_name("color")
-                    .long("color")
-                    .overrides_with("color")
-                    .takes_value(true)
-                    .value_name("when")
-                    .possible_values(&["auto", "never", "always"])
-                    .default_value("auto")
-                    .help("When to use colors.")
-                    .long_help("Specify when to use colored output. The automatic mode \
+                ),
+        ).arg(
+            Arg::with_name("color")
+                .long("color")
+                .overrides_with("color")
+                .takes_value(true)
+                .value_name("when")
+                .possible_values(&["auto", "never", "always"])
+                .default_value("auto")
+                .help("When to use colors.")
+                .long_help("Specify when to use colored output. The automatic mode \
                                only enables colors if an interactive terminal is detected."),
-            ).arg(
-                Arg::with_name("decorations")
-                    .long("decorations")
-                    .overrides_with("decorations")
-                    .takes_value(true)
-                    .value_name("when")
-                    .possible_values(&["auto", "never", "always"])
-                    .default_value("auto")
-                    .help("When to show the decorations specified by '--style'.")
-                    .long_help("Specify when to use the decorations that have been specified \
+        ).arg(
+            Arg::with_name("decorations")
+                .long("decorations")
+                .overrides_with("decorations")
+                .takes_value(true)
+                .value_name("when")
+                .possible_values(&["auto", "never", "always"])
+                .default_value("auto")
+                .help("When to show the decorations specified by '--style'.")
+                .long_help("Specify when to use the decorations that have been specified \
                                via '--style'. The automatic mode only enables decorations if \
                                an interactive terminal is detected."),
-            ).arg(
-                Arg::with_name("paging")
-                    .long("paging")
-                    .overrides_with("paging")
-                    .takes_value(true)
-                    .value_name("when")
-                    .possible_values(&["auto", "never", "always"])
-                    .default_value("auto")
-                    .help("Specify when to use the pager.")
-                    .long_help("Specify when to use the pager. To control which pager \
+        ).arg(
+            Arg::with_name("paging")
+                .long("paging")
+                .overrides_with("paging")
+                .takes_value(true)
+                .value_name("when")
+                .possible_values(&["auto", "never", "always"])
+                .default_value("auto")
+                .help("Specify when to use the pager.")
+                .long_help("Specify when to use the pager. To control which pager \
                                is used, set the PAGER or BAT_PAGER environment \
                                variables (the latter takes precedence). The default \
                                pager is 'less'. To disable the pager permanently, set \
                                BAT_PAGER to an empty string."),
-            ).arg(
-                Arg::with_name("wrap")
-                    .long("wrap")
-                    .overrides_with("wrap")
-                    .takes_value(true)
-                    .value_name("mode")
-                    .possible_values(&["auto", "never", "character"])
-                    .default_value("auto")
-                    .help("Specify the text-wrapping mode.")
-                    .long_help("Specify the text-wrapping mode."),
-            ).arg(
-                Arg::with_name("unbuffered")
-                    .short("u")
-                    .hidden_short_help(true)
-                    .long_help(
-                        "This option exists for POSIX-compliance reasons ('u' is for \
+        ).arg(
+            Arg::with_name("wrap")
+                .long("wrap")
+                .overrides_with("wrap")
+                .takes_value(true)
+                .value_name("mode")
+                .possible_values(&["auto", "never", "character"])
+                .default_value("auto")
+                .help("Specify the text-wrapping mode.")
+                .long_help("Specify the text-wrapping mode."),
+        ).arg(
+            Arg::with_name("unbuffered")
+                .short("u")
+                .hidden_short_help(true)
+                .long_help(
+                    "This option exists for POSIX-compliance reasons ('u' is for \
                         'unbuffered'). The output is always unbuffered - this option \
                         is simply ignored.",
+                ),
+        ).arg(
+            Arg::with_name("tabs")
+                .long("tabs")
+                .takes_value(true)
+                .value_name("tabs")
+                .validator(
+                    |t| t.parse::<u32>()
+                        .map_err(|_t| "must be a number")
+                        .map(|_t| ()) // Convert to Result<(), &str>
+                        .map_err(|e| e.to_string()) // Convert to Result<(), String>
+                )
+                .help("Sets the tab width.")
+                .long_help("Sets the tab width. Use a width of 0 to pass tabs through \
+                        directly"),
+        ).arg(
+            Arg::with_name("terminal-width")
+                .long("terminal-width")
+                .takes_value(true)
+                .value_name("width")
+                .hidden(true)
+                .help("Set the width of the terminal"),
+        ).subcommand(
+            SubCommand::with_name("cache")
+                .about("Modify the syntax-definition and theme cache")
+                .arg(
+                    Arg::with_name("init")
+                        .long("init")
+                        .short("i")
+                        .help("Initialize the syntax/theme cache.")
+                        .long_help(
+                            "Initialize the syntax/theme cache by loading from the \
+                                 source directory (default: the configuration directory).",
+                        ),
+                ).arg(
+                Arg::with_name("clear")
+                    .long("clear")
+                    .short("c")
+                    .help("Remove the cached syntax definitions and themes."),
+            ).arg(
+                Arg::with_name("config-dir")
+                    .long("config-dir")
+                    .short("d")
+                    .help("Show bat's configuration directory."),
+            ).group(
+                ArgGroup::with_name("cache-actions")
+                    .args(&["init", "clear", "config-dir"])
+                    .required(arg_group_required),
+            ).arg(
+                Arg::with_name("source")
+                    .long("source")
+                    .requires("init")
+                    .takes_value(true)
+                    .value_name("dir")
+                    .help("Use a different directory to load syntaxes and themes from."),
+            ).arg(
+                Arg::with_name("target")
+                    .long("target")
+                    .requires("init")
+                    .takes_value(true)
+                    .value_name("dir")
+                    .help(
+                        "Use a different directory to store the cached syntax and theme set.",
                    ),
            ).arg(
-                Arg::with_name("terminal-width")
-                    .long("terminal-width")
-                    .takes_value(true)
-                    .value_name("width")
-                    .hidden(true)
-                    .help("Set the width of the terminal"),
-            ).subcommand(
-                SubCommand::with_name("cache")
-                    .about("Modify the syntax-definition and theme cache")
-                    .arg(
-                        Arg::with_name("init")
-                            .long("init")
-                            .short("i")
-                            .help("Initialize the syntax/theme cache.")
-                            .long_help(
-                                "Initialize the syntax/theme cache by loading from the \
-                                 source directory (default: the configuration directory).",
-                            ),
-                    ).arg(
-                        Arg::with_name("clear")
-                            .long("clear")
-                            .short("c")
-                            .help("Remove the cached syntax definitions and themes."),
-                    ).arg(
-                        Arg::with_name("config-dir")
-                            .long("config-dir")
-                            .short("d")
-                            .help("Show bat's configuration directory."),
-                    ).group(
-                        ArgGroup::with_name("cache-actions")
-                            .args(&["init", "clear", "config-dir"])
-                            .required(arg_group_required),
-                    ).arg(
-                        Arg::with_name("source")
-                            .long("source")
-                            .requires("init")
-                            .takes_value(true)
-                            .value_name("dir")
-                            .help("Use a different directory to load syntaxes and themes from."),
-                    ).arg(
-                        Arg::with_name("target")
-                            .long("target")
-                            .requires("init")
-                            .takes_value(true)
-                            .value_name("dir")
-                            .help(
-                                "Use a different directory to store the cached syntax and theme set.",
-                            ),
-                    ).arg(
-                        Arg::with_name("blank")
-                            .long("blank")
-                            .requires("init")
-                            .help("Create completely new syntax and theme sets \
+                Arg::with_name("blank")
+                    .long("blank")
+                    .requires("init")
+                    .help("Create completely new syntax and theme sets \
                                   (instead of appending to the default sets).")
-                    ),
-            ).help_message("Print this help message.")
+            ),
+        ).help_message("Print this help message.")
            .version_message("Show version information.")
            .get_matches()
    }
@ -343,6 +361,27 @@ impl App {
        let files = self.files();
        let output_components = self.output_components()?;

+        let paging_mode = match self.matches.value_of("paging") {
+            Some("always") => PagingMode::Always,
+            Some("never") => PagingMode::Never,
+            Some("auto") | _ => if files.contains(&InputFile::StdIn) {
+                // If we are reading from stdin, only enable paging if we write to an
+                // interactive terminal and if we do not *read* from an interactive
+                // terminal.
+                if self.interactive_output && !atty::is(Stream::Stdin) {
+                    PagingMode::QuitIfOneScreen
+                } else {
+                    PagingMode::Never
+                }
+            } else {
+                if self.interactive_output {
+                    PagingMode::QuitIfOneScreen
+                } else {
+                    PagingMode::Never
+                }
+            },
+        };
+
        Ok(Config {
            true_color: is_truecolor_terminal(),
            language: self.matches.value_of("language"),
@ -366,26 +405,7 @@ impl App {
                Some("never") => false,
                Some("auto") | _ => self.interactive_output,
            },
-            paging_mode: match self.matches.value_of("paging") {
-                Some("always") => PagingMode::Always,
-                Some("never") => PagingMode::Never,
-                Some("auto") | _ => if files.contains(&InputFile::StdIn) {
-                    // If we are reading from stdin, only enable paging if we write to an
-                    // interactive terminal and if we do not *read* from an interactive
-                    // terminal.
-                    if self.interactive_output && !atty::is(Stream::Stdin) {
-                        PagingMode::QuitIfOneScreen
-                    } else {
-                        PagingMode::Never
-                    }
-                } else {
-                    if self.interactive_output {
-                        PagingMode::QuitIfOneScreen
-                    } else {
-                        PagingMode::Never
-                    }
-                },
-            },
+            paging_mode,
            term_width: self
                .matches
                .value_of("terminal-width")
@ -395,6 +415,19 @@ impl App {
                || self.matches.value_of("color") == Some("always")
                || self.matches.value_of("decorations") == Some("always")),
            files,
+            tab_width: self
+                .matches
+                .value_of("tabs")
+                .map(String::from)
+                .or_else(|| env::var("BAT_TABS").ok())
+                .and_then(|t| t.parse().ok())
+                .unwrap_or(
+                    if output_components.plain() && paging_mode == PagingMode::Never {
+                        0
+                    } else {
+                        8
+                    },
+                ),
            theme: self
                .matches
                .value_of("theme")
--- a/src/main.rs
+++ b/src/main.rs
@ -24,6 +24,7 @@ mod decorations;
 mod diff;
 mod line_range;
 mod output;
+mod preprocessor;
 mod printer;
 mod style;
 mod terminal;
--- a/src/preprocessor.rs
+++ b/src/preprocessor.rs
@ -0,0 +1,34 @@
+use console::AnsiCodeIterator;
+
+/// Expand tabs like an ANSI-enabled expand(1).
+pub fn expand(line: &str, width: usize, cursor: &mut usize) -> String {
+    let mut buffer = String::with_capacity(line.len() * 2);
+
+    for chunk in AnsiCodeIterator::new(line) {
+        match chunk {
+            (text, true) => buffer.push_str(text),
+            (mut text, false) => {
+                while let Some(index) = text.find('\t') {
+                    // Add previous text.
+                    if index > 0 {
+                        *cursor += index;
+                        buffer.push_str(&text[0..index]);
+                    }
+
+                    // Add tab.
+                    let spaces = width - (*cursor % width);
+                    *cursor += spaces;
+                    buffer.push_str(&*" ".repeat(spaces));
+
+                    // Next.
+                    text = &text[index + 1..text.len()];
+                }
+
+                *cursor += text.len();
+                buffer.push_str(text);
+            }
+        }
+    }
+
+    buffer
+}
--- a/src/printer.rs
+++ b/src/printer.rs
@ -16,6 +16,7 @@ use decorations::{Decoration, GridBorderDecoration, LineChangesDecoration, LineN
 use diff::get_git_diff;
 use diff::LineChanges;
 use errors::*;
+use preprocessor::expand;
 use style::OutputWrap;
 use terminal::{as_terminal_escaped, to_ansi_color};

@ -113,9 +114,13 @@ impl<'a> InteractivePrinter<'a> {
        }

        // Get the Git modifications
-        let line_changes = match file {
-            InputFile::Ordinary(filename) => get_git_diff(filename),
-            _ => None,
+        let line_changes = if config.output_components.changes() {
+            match file {
+                InputFile::Ordinary(filename) => get_git_diff(filename),
+                _ => None,
+            }
+        } else {
+            None
        };

        // Determine the type of syntax for highlighting
@ -148,6 +153,14 @@ impl<'a> InteractivePrinter<'a> {

        Ok(())
    }
+
+    fn preprocess(&self, text: &str, cursor: &mut usize) -> String {
+        if self.config.tab_width > 0 {
+            expand(text, self.config.tab_width, cursor)
+        } else {
+            text.to_string()
+        }
+    }
 }

 impl<'a> Printer for InteractivePrinter<'a> {
@ -200,7 +213,7 @@ impl<'a> Printer for InteractivePrinter<'a> {
        line_number: usize,
        line_buffer: &[u8],
    ) -> Result<()> {
-        let line = String::from_utf8_lossy(&line_buffer);
+        let line = String::from_utf8_lossy(&line_buffer).to_string();
        let regions = self.highlighter.highlight(line.as_ref());

        if out_of_range {
@ -209,6 +222,7 @@ impl<'a> Printer for InteractivePrinter<'a> {

        let mut cursor: usize = 0;
        let mut cursor_max: usize = self.config.term_width;
+        let mut cursor_total: usize = 0;
        let mut panel_wrap: Option<String> = None;

        // Line decorations.
@ -230,19 +244,18 @@ impl<'a> Printer for InteractivePrinter<'a> {
            let true_color = self.config.true_color;
            let colored_output = self.config.colored_output;

-            write!(
-                handle,
-                "{}",
-                regions
-                    .iter()
-                    .map(|&(style, text)| as_terminal_escaped(
-                        style,
-                        text,
-                        true_color,
-                        colored_output,
-                    )).collect::<Vec<_>>()
-                    .join("")
-            )?;
+            for &(style, region) in regions.iter() {
+                let text = &*self.preprocess(region, &mut cursor_total);
+                write!(
+                    handle,
+                    "{}",
+                    as_terminal_escaped(style, &*text, true_color, colored_output,)
+                )?;
+            }
+
+            if line.bytes().next_back() != Some(b'\n') {
+                write!(handle, "\n")?;
+            }
        } else {
            for &(style, region) in regions.iter() {
                let mut ansi_iterator = AnsiCodeIterator::new(region);
@ -265,7 +278,11 @@ impl<'a> Printer for InteractivePrinter<'a> {

                        // Regular text.
                        (text, false) => {
-                            let text = text.trim_right_matches(|c| c == '\r' || c == '\n');
+                            let text = self.preprocess(
+                                text.trim_right_matches(|c| c == '\r' || c == '\n'),
+                                &mut cursor_total,
+                            );
+
                            let mut chars = text.chars();
                            let mut remaining = text.chars().count();

--- a/tests/snapshots/generate_snapshots.py
+++ b/tests/snapshots/generate_snapshots.py
@ -1,43 +1,64 @@
 #!/usr/bin/env python3
+
 import itertools
 import subprocess
 import pathlib
 import shutil

+
 def generate_snapshots():
    single_styles = ["changes", "grid", "header", "numbers"]
    collective_styles = ["full", "plain"]

    for num in range(len(single_styles)):
        for grouped in itertools.combinations(single_styles, num + 1):
-            generate_snapshot(",".join(grouped))
+            generate_style_snapshot(",".join(grouped))

    for style in collective_styles:
-        generate_snapshot(style)
+        generate_style_snapshot(style)

-def generate_snapshot(option):
-    command = "../../target/debug/bat --style={0} sample.rs > output/{0}.snapshot.txt".format(
-        option
+    generate_snapshot("tabs_passthrough", "--tabs=0 --style=full --wrap=never")
+    generate_snapshot("tabs_passthrough_wrapped", "--tabs=0 --style=full --wrap=character")
+    generate_snapshot("tabs_4", "--tabs=4 --style=full --wrap=never")
+    generate_snapshot("tabs_4_wrapped", "--tabs=4 --style=full --wrap=character")
+    generate_snapshot("tabs_8", "--tabs=8 --style=full --wrap=never")
+    generate_snapshot("tabs_8_wrapped", "--tabs=8 --style=full --wrap=character")
+
+
+def generate_style_snapshot(style):
+    generate_snapshot(style.replace(",", "_"), "--style={}".format(style))
+
+
+def generate_snapshot(name, arguments):
+    command = "cargo run -- --paging=never --color=never --decorations=always "
+    command += "{args} sample.rs > output/{name}.snapshot.txt".format(
+        name=name,
+        args=arguments
    )
-    print("generating snapshot for {}".format(option))
+    print("generating snapshot for {}".format(name))
    subprocess.call(command, shell=True)

+
 def build_bat():
    print("building bat")
    subprocess.call("cargo build", cwd="../..", shell=True)

+
 def prepare_output_dir():
    shutil.rmtree("output", ignore_errors=True)
    pathlib.Path("output").mkdir()

+
 def modify_sample_file():
    print("modifying sample.rs to show changes")
    shutil.copyfile("sample.modified.rs", "sample.rs")

+
 def undo_sample_file_modification():
    print("undoing sample.rs modifications")
    subprocess.call("git checkout -- sample.rs", shell=True)

+
 build_bat()
 prepare_output_dir()
 modify_sample_file()
--- a/tests/snapshots/output/changes.snapshot.txt
+++ b/tests/snapshots/output/changes.snapshot.txt
@ -16,7 +16,21 @@ _ fn main() {
  fn area(rectangle: &Rectangle) -> u32 {
      rectangle.width * rectangle.height
  }
-+ 
+  
 + fn perimeter(rectangle: &Rectangle) -> u32 {
 +     (rectangle.width + rectangle.height) * 2
 + }
+ 
+  // Tab alignment:
+  /*
+          Indent
+          1       2       3       4
+  1       ?
+  22      ?
+  333     ?
+  4444    ?
+  55555   ?
+  666666  ?
+  7777777 ?
+  88888888        ?
+~ */
--- a/tests/snapshots/output/changes_grid.snapshot.txt
+++ b/tests/snapshots/output/changes_grid.snapshot.txt
@ -16,8 +16,22 @@ _ │ fn main() {
  │ fn area(rectangle: &Rectangle) -> u32 {
  │     rectangle.width * rectangle.height
  │ }
-+ │ 
+  │ 
 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
 + │     (rectangle.width + rectangle.height) * 2
 + │ }
+ │ 
+  │ // Tab alignment:
+  │ /*
+  │         Indent
+  │         1       2       3       4
+  │ 1       ?
+  │ 22      ?
+  │ 333     ?
+  │ 4444    ?
+  │ 55555   ?
+  │ 666666  ?
+  │ 7777777 ?
+  │ 88888888        ?
+~ │ */
 ──┴─────────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/changes_grid_header.snapshot.txt
+++ b/tests/snapshots/output/changes_grid_header.snapshot.txt
@ -19,8 +19,22 @@ _ │ fn main() {
  │ fn area(rectangle: &Rectangle) -> u32 {
  │     rectangle.width * rectangle.height
  │ }
-+ │ 
+  │ 
 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
 + │     (rectangle.width + rectangle.height) * 2
 + │ }
+ │ 
+  │ // Tab alignment:
+  │ /*
+  │         Indent
+  │         1       2       3       4
+  │ 1       ?
+  │ 22      ?
+  │ 333     ?
+  │ 4444    ?
+  │ 55555   ?
+  │ 666666  ?
+  │ 7777777 ?
+  │ 88888888        ?
+~ │ */
 ──┴─────────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/changes_grid_header_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_grid_header_numbers.snapshot.txt
@ -0,0 +1,40 @@
+───────┬────────────────────────────────────────────────────────────────────────
+       │ File: sample.rs
+───────┼────────────────────────────────────────────────────────────────────────
+   1   │ struct Rectangle {
+   2   │     width: u32,
+   3   │     height: u32,
+   4   │ }
+   5   │ 
+   6 _ │ fn main() {
+   7   │     let rect1 = Rectangle { width: 30, height: 50 };
+   8   │ 
+   9   │     println!(
+  10 ~ │         "The perimeter of the rectangle is {} pixels.",
+  11 ~ │         perimeter(&rect1)
+  12   │     );
+  13 + │     println!(r#"This line contains invalid utf8:  "<22><><EFBFBD><EFBFBD><EFBFBD>"#;
+  14   │ }
+  15   │ 
+  16   │ fn area(rectangle: &Rectangle) -> u32 {
+  17   │     rectangle.width * rectangle.height
+  18   │ }
+  19   │ 
+  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
+  21 + │     (rectangle.width + rectangle.height) * 2
+  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │         Indent
+  27   │         1       2       3       4
+  28   │ 1       ?
+  29   │ 22      ?
+  30   │ 333     ?
+  31   │ 4444    ?
+  32   │ 55555   ?
+  33   │ 666666  ?
+  34   │ 7777777 ?
+  35   │ 88888888        ?
+  36 ~ │ */
+───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/changes_grid_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_grid_numbers.snapshot.txt
@ -16,8 +16,22 @@
  16   │ fn area(rectangle: &Rectangle) -> u32 {
  17   │     rectangle.width * rectangle.height
  18   │ }
-  19 + │ 
+  19   │ 
  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
  21 + │     (rectangle.width + rectangle.height) * 2
  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │         Indent
+  27   │         1       2       3       4
+  28   │ 1       ?
+  29   │ 22      ?
+  30   │ 333     ?
+  31   │ 4444    ?
+  32   │ 55555   ?
+  33   │ 666666  ?
+  34   │ 7777777 ?
+  35   │ 88888888        ?
+  36 ~ │ */
 ───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/changes_header.snapshot.txt
+++ b/tests/snapshots/output/changes_header.snapshot.txt
@ -17,7 +17,21 @@ _ fn main() {
  fn area(rectangle: &Rectangle) -> u32 {
      rectangle.width * rectangle.height
  }
-+ 
+  
 + fn perimeter(rectangle: &Rectangle) -> u32 {
 +     (rectangle.width + rectangle.height) * 2
 + }
+ 
+  // Tab alignment:
+  /*
+          Indent
+          1       2       3       4
+  1       ?
+  22      ?
+  333     ?
+  4444    ?
+  55555   ?
+  666666  ?
+  7777777 ?
+  88888888        ?
+~ */
--- a/tests/snapshots/output/changes_header_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_header_numbers.snapshot.txt
@ -17,7 +17,21 @@
  16   fn area(rectangle: &Rectangle) -> u32 {
  17       rectangle.width * rectangle.height
  18   }
-  19 + 
+  19   
  20 + fn perimeter(rectangle: &Rectangle) -> u32 {
  21 +     (rectangle.width + rectangle.height) * 2
  22 + }
+  23 + 
+  24   // Tab alignment:
+  25   /*
+  26           Indent
+  27           1       2       3       4
+  28   1       ?
+  29   22      ?
+  30   333     ?
+  31   4444    ?
+  32   55555   ?
+  33   666666  ?
+  34   7777777 ?
+  35   88888888        ?
+  36 ~ */
--- a/tests/snapshots/output/changes_numbers.snapshot.txt
+++ b/tests/snapshots/output/changes_numbers.snapshot.txt
@ -16,7 +16,21 @@
  16   fn area(rectangle: &Rectangle) -> u32 {
  17       rectangle.width * rectangle.height
  18   }
-  19 + 
+  19   
  20 + fn perimeter(rectangle: &Rectangle) -> u32 {
  21 +     (rectangle.width + rectangle.height) * 2
  22 + }
+  23 + 
+  24   // Tab alignment:
+  25   /*
+  26           Indent
+  27           1       2       3       4
+  28   1       ?
+  29   22      ?
+  30   333     ?
+  31   4444    ?
+  32   55555   ?
+  33   666666  ?
+  34   7777777 ?
+  35   88888888        ?
+  36 ~ */
--- a/tests/snapshots/output/full.snapshot.txt
+++ b/tests/snapshots/output/full.snapshot.txt
@ -19,8 +19,22 @@
  16   │ fn area(rectangle: &Rectangle) -> u32 {
  17   │     rectangle.width * rectangle.height
  18   │ }
-  19 + │ 
+  19   │ 
  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
  21 + │     (rectangle.width + rectangle.height) * 2
  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │         Indent
+  27   │         1       2       3       4
+  28   │ 1       ?
+  29   │ 22      ?
+  30   │ 333     ?
+  31   │ 4444    ?
+  32   │ 55555   ?
+  33   │ 666666  ?
+  34   │ 7777777 ?
+  35   │ 88888888        ?
+  36 ~ │ */
 ───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/grid.snapshot.txt
+++ b/tests/snapshots/output/grid.snapshot.txt
@ -20,4 +20,18 @@ fn area(rectangle: &Rectangle) -> u32 {
 fn perimeter(rectangle: &Rectangle) -> u32 {
    (rectangle.width + rectangle.height) * 2
 }
+
+// Tab alignment:
+/*
+        Indent
+        1       2       3       4
+1       ?
+22      ?
+333     ?
+4444    ?
+55555   ?
+666666  ?
+7777777 ?
+88888888        ?
+*/
 ────────────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/grid_header.snapshot.txt
+++ b/tests/snapshots/output/grid_header.snapshot.txt
@ -23,4 +23,18 @@ fn area(rectangle: &Rectangle) -> u32 {
 fn perimeter(rectangle: &Rectangle) -> u32 {
    (rectangle.width + rectangle.height) * 2
 }
+
+// Tab alignment:
+/*
+        Indent
+        1       2       3       4
+1       ?
+22      ?
+333     ?
+4444    ?
+55555   ?
+666666  ?
+7777777 ?
+88888888        ?
+*/
 ────────────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/grid_header_numbers.snapshot.txt
+++ b/tests/snapshots/output/grid_header_numbers.snapshot.txt
@ -23,4 +23,18 @@
  20 │ fn perimeter(rectangle: &Rectangle) -> u32 {
  21 │     (rectangle.width + rectangle.height) * 2
  22 │ }
+  23 │ 
+  24 │ // Tab alignment:
+  25 │ /*
+  26 │         Indent
+  27 │         1       2       3       4
+  28 │ 1       ?
+  29 │ 22      ?
+  30 │ 333     ?
+  31 │ 4444    ?
+  32 │ 55555   ?
+  33 │ 666666  ?
+  34 │ 7777777 ?
+  35 │ 88888888        ?
+  36 │ */
 ─────┴──────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/grid_numbers.snapshot.txt
+++ b/tests/snapshots/output/grid_numbers.snapshot.txt
@ -20,4 +20,18 @@
  20 │ fn perimeter(rectangle: &Rectangle) -> u32 {
  21 │     (rectangle.width + rectangle.height) * 2
  22 │ }
+  23 │ 
+  24 │ // Tab alignment:
+  25 │ /*
+  26 │         Indent
+  27 │         1       2       3       4
+  28 │ 1       ?
+  29 │ 22      ?
+  30 │ 333     ?
+  31 │ 4444    ?
+  32 │ 55555   ?
+  33 │ 666666  ?
+  34 │ 7777777 ?
+  35 │ 88888888        ?
+  36 │ */
 ─────┴──────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/header.snapshot.txt
+++ b/tests/snapshots/output/header.snapshot.txt
@ -21,3 +21,17 @@ fn area(rectangle: &Rectangle) -> u32 {
 fn perimeter(rectangle: &Rectangle) -> u32 {
    (rectangle.width + rectangle.height) * 2
 }
+
+// Tab alignment:
+/*
+        Indent
+        1       2       3       4
+1       ?
+22      ?
+333     ?
+4444    ?
+55555   ?
+666666  ?
+7777777 ?
+88888888        ?
+*/
--- a/tests/snapshots/output/header_numbers.snapshot.txt
+++ b/tests/snapshots/output/header_numbers.snapshot.txt
@ -21,3 +21,17 @@
  20 fn perimeter(rectangle: &Rectangle) -> u32 {
  21     (rectangle.width + rectangle.height) * 2
  22 }
+  23 
+  24 // Tab alignment:
+  25 /*
+  26         Indent
+  27         1       2       3       4
+  28 1       ?
+  29 22      ?
+  30 333     ?
+  31 4444    ?
+  32 55555   ?
+  33 666666  ?
+  34 7777777 ?
+  35 88888888        ?
+  36 */
--- a/tests/snapshots/output/numbers.snapshot.txt
+++ b/tests/snapshots/output/numbers.snapshot.txt
@ -20,3 +20,17 @@
  20 fn perimeter(rectangle: &Rectangle) -> u32 {
  21     (rectangle.width + rectangle.height) * 2
  22 }
+  23 
+  24 // Tab alignment:
+  25 /*
+  26         Indent
+  27         1       2       3       4
+  28 1       ?
+  29 22      ?
+  30 333     ?
+  31 4444    ?
+  32 55555   ?
+  33 666666  ?
+  34 7777777 ?
+  35 88888888        ?
+  36 */
--- a/tests/snapshots/output/plain.snapshot.txt
+++ b/tests/snapshots/output/plain.snapshot.txt
@ -20,3 +20,17 @@ fn area(rectangle: &Rectangle) -> u32 {
 fn perimeter(rectangle: &Rectangle) -> u32 {
    (rectangle.width + rectangle.height) * 2
 }
+
+// Tab alignment:
+/*
+	Indent
+	1	2	3	4
+1	?
+22	?
+333	?
+4444	?
+55555	?
+666666	?
+7777777	?
+88888888	?
+*/
--- a/tests/snapshots/output/tabs_4.snapshot.txt
+++ b/tests/snapshots/output/tabs_4.snapshot.txt
@ -0,0 +1,40 @@
+───────┬────────────────────────────────────────────────────────────────────────
+       │ File: sample.rs
+───────┼────────────────────────────────────────────────────────────────────────
+   1   │ struct Rectangle {
+   2   │     width: u32,
+   3   │     height: u32,
+   4   │ }
+   5   │ 
+   6 _ │ fn main() {
+   7   │     let rect1 = Rectangle { width: 30, height: 50 };
+   8   │ 
+   9   │     println!(
+  10 ~ │         "The perimeter of the rectangle is {} pixels.",
+  11 ~ │         perimeter(&rect1)
+  12   │     );
+  13 + │     println!(r#"This line contains invalid utf8:  "<22><><EFBFBD><EFBFBD><EFBFBD>"#;
+  14   │ }
+  15   │ 
+  16   │ fn area(rectangle: &Rectangle) -> u32 {
+  17   │     rectangle.width * rectangle.height
+  18   │ }
+  19   │ 
+  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
+  21 + │     (rectangle.width + rectangle.height) * 2
+  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │     Indent
+  27   │     1   2   3   4
+  28   │ 1   ?
+  29   │ 22  ?
+  30   │ 333 ?
+  31   │ 4444    ?
+  32   │ 55555   ?
+  33   │ 666666  ?
+  34   │ 7777777 ?
+  35   │ 88888888    ?
+  36 ~ │ */
+───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/tabs_4_wrapped.snapshot.txt
+++ b/tests/snapshots/output/tabs_4_wrapped.snapshot.txt
@ -0,0 +1,40 @@
+───────┬────────────────────────────────────────────────────────────────────────
+       │ File: sample.rs
+───────┼────────────────────────────────────────────────────────────────────────
+   1   │ struct Rectangle {
+   2   │     width: u32,
+   3   │     height: u32,
+   4   │ }
+   5   │ 
+   6 _ │ fn main() {
+   7   │     let rect1 = Rectangle { width: 30, height: 50 };
+   8   │ 
+   9   │     println!(
+  10 ~ │         "The perimeter of the rectangle is {} pixels.",
+  11 ~ │         perimeter(&rect1)
+  12   │     );
+  13 + │     println!(r#"This line contains invalid utf8:  "<22><><EFBFBD><EFBFBD><EFBFBD>"#;
+  14   │ }
+  15   │ 
+  16   │ fn area(rectangle: &Rectangle) -> u32 {
+  17   │     rectangle.width * rectangle.height
+  18   │ }
+  19   │ 
+  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
+  21 + │     (rectangle.width + rectangle.height) * 2
+  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │     Indent
+  27   │     1   2   3   4
+  28   │ 1   ?
+  29   │ 22  ?
+  30   │ 333 ?
+  31   │ 4444    ?
+  32   │ 55555   ?
+  33   │ 666666  ?
+  34   │ 7777777 ?
+  35   │ 88888888    ?
+  36 ~ │ */
+───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/tabs_8.snapshot.txt
+++ b/tests/snapshots/output/tabs_8.snapshot.txt
@ -0,0 +1,40 @@
+───────┬────────────────────────────────────────────────────────────────────────
+       │ File: sample.rs
+───────┼────────────────────────────────────────────────────────────────────────
+   1   │ struct Rectangle {
+   2   │     width: u32,
+   3   │     height: u32,
+   4   │ }
+   5   │ 
+   6 _ │ fn main() {
+   7   │     let rect1 = Rectangle { width: 30, height: 50 };
+   8   │ 
+   9   │     println!(
+  10 ~ │         "The perimeter of the rectangle is {} pixels.",
+  11 ~ │         perimeter(&rect1)
+  12   │     );
+  13 + │     println!(r#"This line contains invalid utf8:  "<22><><EFBFBD><EFBFBD><EFBFBD>"#;
+  14   │ }
+  15   │ 
+  16   │ fn area(rectangle: &Rectangle) -> u32 {
+  17   │     rectangle.width * rectangle.height
+  18   │ }
+  19   │ 
+  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
+  21 + │     (rectangle.width + rectangle.height) * 2
+  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │         Indent
+  27   │         1       2       3       4
+  28   │ 1       ?
+  29   │ 22      ?
+  30   │ 333     ?
+  31   │ 4444    ?
+  32   │ 55555   ?
+  33   │ 666666  ?
+  34   │ 7777777 ?
+  35   │ 88888888        ?
+  36 ~ │ */
+───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/tabs_8_wrapped.snapshot.txt
+++ b/tests/snapshots/output/tabs_8_wrapped.snapshot.txt
@ -0,0 +1,40 @@
+───────┬────────────────────────────────────────────────────────────────────────
+       │ File: sample.rs
+───────┼────────────────────────────────────────────────────────────────────────
+   1   │ struct Rectangle {
+   2   │     width: u32,
+   3   │     height: u32,
+   4   │ }
+   5   │ 
+   6 _ │ fn main() {
+   7   │     let rect1 = Rectangle { width: 30, height: 50 };
+   8   │ 
+   9   │     println!(
+  10 ~ │         "The perimeter of the rectangle is {} pixels.",
+  11 ~ │         perimeter(&rect1)
+  12   │     );
+  13 + │     println!(r#"This line contains invalid utf8:  "<22><><EFBFBD><EFBFBD><EFBFBD>"#;
+  14   │ }
+  15   │ 
+  16   │ fn area(rectangle: &Rectangle) -> u32 {
+  17   │     rectangle.width * rectangle.height
+  18   │ }
+  19   │ 
+  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
+  21 + │     (rectangle.width + rectangle.height) * 2
+  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │         Indent
+  27   │         1       2       3       4
+  28   │ 1       ?
+  29   │ 22      ?
+  30   │ 333     ?
+  31   │ 4444    ?
+  32   │ 55555   ?
+  33   │ 666666  ?
+  34   │ 7777777 ?
+  35   │ 88888888        ?
+  36 ~ │ */
+───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/changes,grid,header,numbers.snapshot.txt
+++ b/tests/snapshots/output/changes,grid,header,numbers.snapshot.txt
@ -19,8 +19,22 @@
  16   │ fn area(rectangle: &Rectangle) -> u32 {
  17   │     rectangle.width * rectangle.height
  18   │ }
-  19 + │ 
+  19   │ 
  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
  21 + │     (rectangle.width + rectangle.height) * 2
  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │ 	Indent
+  27   │ 	1	2	3	4
+  28   │ 1	?
+  29   │ 22	?
+  30   │ 333	?
+  31   │ 4444	?
+  32   │ 55555	?
+  33   │ 666666	?
+  34   │ 7777777	?
+  35   │ 88888888	?
+  36 ~ │ */
 ───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/output/tabs_passthrough_wrapped.snapshot.txt
+++ b/tests/snapshots/output/tabs_passthrough_wrapped.snapshot.txt
@ -0,0 +1,40 @@
+───────┬────────────────────────────────────────────────────────────────────────
+       │ File: sample.rs
+───────┼────────────────────────────────────────────────────────────────────────
+   1   │ struct Rectangle {
+   2   │     width: u32,
+   3   │     height: u32,
+   4   │ }
+   5   │ 
+   6 _ │ fn main() {
+   7   │     let rect1 = Rectangle { width: 30, height: 50 };
+   8   │ 
+   9   │     println!(
+  10 ~ │         "The perimeter of the rectangle is {} pixels.",
+  11 ~ │         perimeter(&rect1)
+  12   │     );
+  13 + │     println!(r#"This line contains invalid utf8:  "<22><><EFBFBD><EFBFBD><EFBFBD>"#;
+  14   │ }
+  15   │ 
+  16   │ fn area(rectangle: &Rectangle) -> u32 {
+  17   │     rectangle.width * rectangle.height
+  18   │ }
+  19   │ 
+  20 + │ fn perimeter(rectangle: &Rectangle) -> u32 {
+  21 + │     (rectangle.width + rectangle.height) * 2
+  22 + │ }
+  23 + │ 
+  24   │ // Tab alignment:
+  25   │ /*
+  26   │ 	Indent
+  27   │ 	1	2	3	4
+  28   │ 1	?
+  29   │ 22	?
+  30   │ 333	?
+  31   │ 4444	?
+  32   │ 55555	?
+  33   │ 666666	?
+  34   │ 7777777	?
+  35   │ 88888888	?
+  36 ~ │ */
+───────┴────────────────────────────────────────────────────────────────────────
--- a/tests/snapshots/sample.modified.rs
+++ b/tests/snapshots/sample.modified.rs
@ -20,3 +20,17 @@ fn area(rectangle: &Rectangle) -> u32 {
 fn perimeter(rectangle: &Rectangle) -> u32 {
    (rectangle.width + rectangle.height) * 2
 }
+
+// Tab alignment:
+/*
+	Indent
+	1	2	3	4
+1	?
+22	?
+333	?
+4444	?
+55555	?
+666666	?
+7777777	?
+88888888	?
+*/
--- a/tests/snapshots/sample.rs
+++ b/tests/snapshots/sample.rs
@ -16,3 +16,17 @@ fn main() {
 fn area(rectangle: &Rectangle) -> u32 {
    rectangle.width * rectangle.height
 }
+
+// Tab alignment:
+/*
+	Indent
+	1	2	3	4
+1	?
+22	?
+333	?
+4444	?
+55555	?
+666666	?
+7777777	?
+88888888	?
+*/
--- a/tests/tester.rs
+++ b/tests/tester.rs
@ -38,13 +38,17 @@ impl BatTester {
        BatTester { temp_dir, exe }
    }

-    pub fn test_snapshot(&self, style: &str) {
+    pub fn test_snapshot(&self, name: &str, style: &str, tab_width: u32, wrap: bool) {
        let output = Command::new(&self.exe)
            .current_dir(self.temp_dir.path())
            .args(&[
                "sample.rs",
+                "--paging=never",
+                "--color=never",
                "--decorations=always",
                "--terminal-width=80",
+                &format!("--wrap={}", if wrap { "character" } else { "never" }),
+                &format!("--tabs={}", tab_width),
                &format!("--style={}", style),
            ]).output()
            .expect("bat failed");
@ -55,7 +59,7 @@ impl BatTester {
            .replace("tests/snapshots/", "");

        let mut expected = String::new();
-        let mut file = File::open(format!("tests/snapshots/output/{}.snapshot.txt", style))
+        let mut file = File::open(format!("tests/snapshots/output/{}.snapshot.txt", name))
            .expect("snapshot file missing");
        file.read_to_string(&mut expected)
            .expect("could not read snapshot file");
--- a/tests/tests.rs
+++ b/tests/tests.rs
@ -3,33 +3,39 @@ mod tester;
 use tester::BatTester;

 macro_rules! snapshot_tests {
-    ($($test_name: ident: $style: expr,)*) => {
+    ($($test_name: ident: $style: expr => [wrap: $wrap:expr, tabs: $tabs:expr],)*) => {
        $(
            #[test]
            fn $test_name() {
                let bat_tester = BatTester::new();
-                bat_tester.test_snapshot($style);
+                bat_tester.test_snapshot(stringify!($test_name), $style, $tabs, $wrap);
            }
        )*
    };
 }

 snapshot_tests! {
-    changes: "changes",
-    grid: "grid",
-    header: "header",
-    numbers: "numbers",
-    changes_grid: "changes,grid",
-    changes_header: "changes,header",
-    changes_numbers: "changes,numbers",
-    grid_header: "grid,header",
-    grid_numbers: "grid,numbers",
-    header_numbers: "header,numbers",
-    changes_grid_header: "changes,grid,header",
-    changes_grid_numbers: "changes,grid,numbers",
-    changes_header_numbers: "changes,header,numbers",
-    grid_header_numbers: "grid,header,numbers",
-    changes_grid_header_numbers: "changes,grid,header,numbers",
-    full: "full",
-    plain: "plain",
+    changes:                     "changes"                     => [wrap: false, tabs: 8],
+    grid:                        "grid"                        => [wrap: false, tabs: 8],
+    header:                      "header"                      => [wrap: false, tabs: 8],
+    numbers:                     "numbers"                     => [wrap: false, tabs: 8],
+    changes_grid:                "changes,grid"                => [wrap: false, tabs: 8],
+    changes_header:              "changes,header"              => [wrap: false, tabs: 8],
+    changes_numbers:             "changes,numbers"             => [wrap: false, tabs: 8],
+    grid_header:                 "grid,header"                 => [wrap: false, tabs: 8],
+    grid_numbers:                "grid,numbers"                => [wrap: false, tabs: 8],
+    header_numbers:              "header,numbers"              => [wrap: false, tabs: 8],
+    changes_grid_header:         "changes,grid,header"         => [wrap: false, tabs: 8],
+    changes_grid_numbers:        "changes,grid,numbers"        => [wrap: false, tabs: 8],
+    changes_header_numbers:      "changes,header,numbers"      => [wrap: false, tabs: 8],
+    grid_header_numbers:         "grid,header,numbers"         => [wrap: false, tabs: 8],
+    changes_grid_header_numbers: "changes,grid,header,numbers" => [wrap: false, tabs: 8],
+    full:                        "full"                        => [wrap: false, tabs: 8],
+    plain:                       "plain"                       => [wrap: false, tabs: 0],
+    tabs_passthrough_wrapped:    "full"                        => [wrap: true,  tabs: 0],
+    tabs_4_wrapped:              "full"                        => [wrap: true,  tabs: 4],
+    tabs_8_wrapped:              "full"                        => [wrap: true,  tabs: 8],
+    tabs_passthrough:            "full"                        => [wrap: false, tabs: 0],
+    tabs_4:                      "full"                        => [wrap: false, tabs: 4],
+    tabs_8:                      "full"                        => [wrap: false, tabs: 8],
 }
				`@ -0,0 +1 @@`
				`Subproject commit 12b7d7257eb493e45a9af0af9094ec0c2a996712`