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bat
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Generate shell completions with clap during build (#327) 

* Generate shell completions with clap during build

* Updated ci release script, added SHELL_COMPLETIONS_DIR override to build.rs and fixed dependency version
This commit is contained in:
davideGiovannini 2018-10-03 09:39:30 +02:00 committed by David Peter
parent 80da0dc619
commit 0d71968615
8 changed files with 337 additions and 255 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Cargo.lock generated
View File

@ -109,6 +109,7 @@ dependencies = [
"term_size 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
"unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -721,6 +722,11 @@ name = "vcpkg"
version = "0.2.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "vec_map"
version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "version_check"
version = "0.1.4"
@ -883,6 +889,7 @@ dependencies = [
"checksum url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2a321979c09843d272956e73700d12c4e7d3d92b2ee112b31548aef0d4efc5a6"
"checksum utf8-ranges 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd70f467df6810094968e2fce0ee1bd0e87157aceb026a8c083bcf5e25b9efe4"
"checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
"checksum version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7716c242968ee87e5542f8021178248f267f295a5c4803beae8b8b7fd9bc6051"
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
"checksum walkdir 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "af464bc7be7b785c7ac72e266a6b67c4c9070155606f51655a650a6686204e35"

4
Cargo.toml
View File

@ -12,6 +12,7 @@ exclude = [
"assets/syntaxes/*",
"assets/themes/*",
]
build = "build.rs"
[dependencies]
atty = "0.2.2"
@ -43,3 +44,6 @@ features = []
[dev-dependencies]
tempdir = "0.3"
[build-dependencies]
clap = "2.32"

26
build.rs Normal file
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@ -0,0 +1,26 @@
#[macro_use]
extern crate clap;
use clap::Shell;
use std::fs;
include!("src/clap_app.rs");
const BIN_NAME: &str = "bat";
fn main() {
let outdir = std::env::var_os("SHELL_COMPLETIONS_DIR").or(std::env::var_os("OUT_DIR"));
let outdir = match outdir {
None => return,
Some(outdir) => outdir,
};
fs::create_dir_all(&outdir).unwrap();
let mut app = build_app(true);
app.gen_completions(BIN_NAME, Shell::Bash, &outdir);
app.gen_completions(BIN_NAME, Shell::Fish, &outdir);
app.gen_completions(BIN_NAME, Shell::Zsh, &outdir);
app.gen_completions(BIN_NAME, Shell::PowerShell, &outdir);
}

6
ci/before_deploy.bash
View File

@ -27,6 +27,7 @@ pack() {
# create a "staging" directory
mkdir "$tempdir/$package_name"
mkdir "$tempdir/$package_name/autocomplete"
# copying the main binary
cp "target/$TARGET/release/$PROJECT_NAME" "$tempdir/$package_name/"
@ -38,6 +39,11 @@ pack() {
cp LICENSE-MIT "$tempdir/$package_name"
cp LICENSE-APACHE "$tempdir/$package_name"
# various autocomplete
cp target/"$TARGET"/release/build/"$PROJECT_NAME"-*/out/"$PROJECT_NAME".bash "$tempdir/$package_name/autocomplete/${PROJECT_NAME}.bash-completion"
cp target/"$TARGET"/release/build/"$PROJECT_NAME"-*/out/"$PROJECT_NAME".fish "$tempdir/$package_name/autocomplete"
cp target/"$TARGET"/release/build/"$PROJECT_NAME"-*/out/_"$PROJECT_NAME" "$tempdir/$package_name/autocomplete"
# archiving
pushd "$tempdir"
tar czf "$out_dir/$package_name.tar.gz" "$package_name"/*

1
ci/before_deploy.ps1
View File

@ -11,6 +11,7 @@ Set-Location $STAGE
$ZIP = "$SRC_DIR\$($Env:CRATE_NAME)-$($Env:APPVEYOR_REPO_TAG_NAME)-$($Env:TARGET).zip"
Copy-Item "$SRC_DIR\target\release\bat.exe" '.\'
Copy-Item $SRC_DIR\target\release\build\bat-*\out\_bat.ps1 '.\'
# readme and license
Copy-Item $SRC_DIR\README.md '.\'

258
src/app.rs
View File

@ -1,11 +1,11 @@
use std::collections::HashSet;
use std::env;
use std::path::Path;
use std::str::FromStr;
use atty::{self, Stream};
use clap::{App as ClapApp, AppSettings, Arg, ArgGroup, ArgMatches, SubCommand};
use clap::ArgMatches;
use clap_app;
use console::Term;
@ -102,259 +102,7 @@ impl App {
}
fn matches(interactive_output: bool) -> ArgMatches<'static> {
let clap_color_setting = if interactive_output {
AppSettings::ColoredHelp
} else {
AppSettings::ColorNever
};
// Check if the current directory contains a file name cache, if it does
// do not make the arguements for subcommand 'cache' required.
let arg_group_required = !Path::new("cache").exists();
ClapApp::new(crate_name!())
.version(crate_version!())
.global_setting(clap_color_setting)
.global_setting(AppSettings::DeriveDisplayOrder)
.global_setting(AppSettings::UnifiedHelpMessage)
.global_setting(AppSettings::NextLineHelp)
.setting(AppSettings::InferSubcommands)
.setting(AppSettings::ArgsNegateSubcommands)
.setting(AppSettings::DisableHelpSubcommand)
.setting(AppSettings::VersionlessSubcommands)
.max_term_width(90)
.about(
"A cat(1) clone with wings.\n\n\
Use '--help' instead of '-h' to see a more detailed version of the help text.",
).long_about("A cat(1) clone with syntax highlighting and Git integration.")
.arg(
Arg::with_name("FILE")
.help("File(s) to print / concatenate. Use '-' for standard input.")
.long_help(
"File(s) to print / concatenate. Use a dash ('-') or no argument at all \
to read from standard input.",
).multiple(true)
.empty_values(false),
)
.arg(
Arg::with_name("language")
.short("l")
.long("language")
.overrides_with("language")
.help("Set the language for syntax highlighting.")
.long_help(
"Explicitly set the language for syntax highlighting. The language can be \
specified as a name (like 'C++' or 'LaTeX') or possible file extension \
(like 'cpp', 'hpp' or 'md'). Use '--list-languages' to show all supported \
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 \
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 \
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 \
'--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 \
'--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. \
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 \
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 \
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 \
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 \
'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("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.")
.version_message("Show version information.")
.get_matches()
clap_app::build_app(interactive_output).get_matches()
}
pub fn config(&self) -> Result<Config> {

289
src/clap_app.rs Normal file
View File

@ -0,0 +1,289 @@
use clap::{App as ClapApp, AppSettings, Arg, ArgGroup, SubCommand};
use std::path::Path;
pub fn build_app(interactive_output: bool) -> ClapApp<'static, 'static> {
let clap_color_setting = if interactive_output {
AppSettings::ColoredHelp
} else {
AppSettings::ColorNever
};
// Check if the current directory contains a file name cache, if it does
// do not make the arguements for subcommand 'cache' required.
let arg_group_required = !Path::new("cache").exists();
ClapApp::new(crate_name!())
.version(crate_version!())
.global_setting(clap_color_setting)
.global_setting(AppSettings::DeriveDisplayOrder)
.global_setting(AppSettings::UnifiedHelpMessage)
.global_setting(AppSettings::NextLineHelp)
.setting(AppSettings::InferSubcommands)
.setting(AppSettings::ArgsNegateSubcommands)
.setting(AppSettings::DisableHelpSubcommand)
.setting(AppSettings::VersionlessSubcommands)
.max_term_width(90)
.about(
"A cat(1) clone with wings.\n\n\
Use '--help' instead of '-h' to see a more detailed version of the help text.",
)
.long_about("A cat(1) clone with syntax highlighting and Git integration.")
.arg(
Arg::with_name("FILE")
.help("File(s) to print / concatenate. Use '-' for standard input.")
.long_help(
"File(s) to print / concatenate. Use a dash ('-') or no argument at all \
to read from standard input.",
)
.multiple(true)
.empty_values(false),
)
.arg(
Arg::with_name("language")
.short("l")
.long("language")
.overrides_with("language")
.help("Set the language for syntax highlighting.")
.long_help(
"Explicitly set the language for syntax highlighting. The language can be \
specified as a name (like 'C++' or 'LaTeX') or possible file extension \
(like 'cpp', 'hpp' or 'md'). Use '--list-languages' to show all supported \
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 \
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 \
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 \
'--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 \
'--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. \
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 \
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 \
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 \
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 \
'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("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.")
.version_message("Show version information.")
}

1
src/main.rs
View File

@ -19,6 +19,7 @@ extern crate syntect;
mod app;
mod assets;
mod clap_app;
mod controller;
mod decorations;
mod diff;