fd/src/cli.rs
2022-11-01 20:18:17 +01:00

846 lines
32 KiB
Rust

use std::path::{Path, PathBuf};
use std::time::Duration;
#[cfg(feature = "completions")]
use anyhow::anyhow;
use clap::{
error::ErrorKind, value_parser, Arg, ArgAction, ArgGroup, ArgMatches, Command, Parser,
ValueEnum,
};
#[cfg(feature = "completions")]
use clap_complete::Shell;
use normpath::PathExt;
use crate::error::print_error;
use crate::exec::CommandSet;
use crate::filesystem;
#[cfg(unix)]
use crate::filter::OwnerFilter;
use crate::filter::SizeFilter;
// Type for options that don't have any values, but are used to negate
// earlier options
struct Negations;
impl clap::FromArgMatches for Negations {
fn from_arg_matches(_: &ArgMatches) -> clap::error::Result<Self> {
Ok(Negations)
}
fn update_from_arg_matches(&mut self, _: &ArgMatches) -> clap::error::Result<()> {
Ok(())
}
}
impl clap::Args for Negations {
fn augment_args(cmd: Command) -> Command {
Self::augment_args_for_update(cmd)
}
fn augment_args_for_update(cmd: Command) -> Command {
cmd.arg(
Arg::new("no_hidden")
.action(ArgAction::Count)
.long("no-hidden")
.overrides_with("hidden")
.hide(true)
.long_help("Overrides --hidden."),
)
.arg(
Arg::new("ignore")
.action(ArgAction::Count)
.long("ignore")
.overrides_with("no_ignore")
.hide(true)
.long_help("Overrides --no-ignore."),
)
.arg(
Arg::new("ignore_vcs")
.action(ArgAction::Count)
.long("ignore-vcs")
.overrides_with("no_ignore_vcs")
.hide(true)
.long_help("Overrides --no-ignore-vcs."),
)
.arg(
Arg::new("relative_path")
.action(ArgAction::Count)
.long("relative-path")
.overrides_with("absolute_path")
.hide(true)
.long_help("Overrides --absolute-path."),
)
.arg(
Arg::new("no_follow")
.action(ArgAction::Count)
.long("no-follow")
.overrides_with("follow")
.hide(true)
.long_help("Overrides --follow."),
)
}
}
#[derive(Parser)]
#[command(
version,
after_long_help = "Bugs can be reported on GitHub: https://github.com/sharkdp/fd/issues",
args_override_self = true,
group(ArgGroup::new("execs").args(&["exec", "exec_batch", "list_details"]).conflicts_with_all(&[
"max_results", "has_results", "count"])),
)]
pub struct Opts {
/// Search hidden files and directories
#[arg(
long,
short = 'H',
long_help = "Include hidden directories and files in the search results (default: \
hidden files and directories are skipped). Files and directories are \
considered to be hidden if their name starts with a `.` sign (dot). \
The flag can be overridden with --no-hidden."
)]
pub hidden: bool,
/// Do not respect .(git|fd)ignore files
#[arg(
long,
short = 'I',
long_help = "Show search results from files and directories that would otherwise be \
ignored by '.gitignore', '.ignore', '.fdignore', or the global ignore file. \
The flag can be overridden with --ignore."
)]
pub no_ignore: bool,
/// Do not respect .gitignore files
#[arg(
long,
hide_short_help = true,
long_help = "Show search results from files and directories that would otherwise be \
ignored by '.gitignore' files. The flag can be overridden with --ignore-vcs."
)]
pub no_ignore_vcs: bool,
/// Do not respect .(git|fd)ignore files in parent directories
#[arg(
long,
hide_short_help = true,
long_help = "Show search results from files and directories that would otherwise be \
ignored by '.gitignore', '.ignore', or '.fdignore' files in parent directories."
)]
pub no_ignore_parent: bool,
/// Do not respect the global ignore file
#[arg(long, hide = true)]
pub no_global_ignore_file: bool,
/// Unrestricted search, alias for '--no-ignore --hidden'
#[arg(long = "unrestricted", short = 'u', overrides_with_all(&["ignore", "no_hidden"]), action(ArgAction::Count), hide_short_help = true,
long_help = "Perform an unrestricted search, including ignored and hidden files. This is \
an alias for '--no-ignore --hidden'."
)]
rg_alias_hidden_ignore: u8,
/// Case-sensitive search (default: smart case)
#[arg(
long,
short = 's',
overrides_with("ignore_case"),
long_help = "Perform a case-sensitive search. By default, fd uses case-insensitive \
searches, unless the pattern contains an uppercase character (smart \
case)."
)]
pub case_sensitive: bool,
/// Case-insensitive search (default: smart case)
#[arg(
long,
short = 'i',
overrides_with("case_sensitive"),
long_help = "Perform a case-insensitive search. By default, fd uses case-insensitive \
searches, unless the pattern contains an uppercase character (smart \
case)."
)]
pub ignore_case: bool,
/// Glob-based search (default: regular expression)
#[arg(
long,
short = 'g',
conflicts_with("fixed_strings"),
long_help = "Perform a glob-based search instead of a regular expression search."
)]
pub glob: bool,
/// Regular-expression based search (default)
#[arg(
long,
overrides_with("glob"),
hide_short_help = true,
long_help = "Perform a regular-expression based search (default). This can be used to \
override --glob."
)]
pub regex: bool,
/// Treat pattern as literal string stead of regex
#[arg(
long,
short = 'F',
alias = "literal",
hide_short_help = true,
long_help = "Treat the pattern as a literal string instead of a regular expression. Note \
that this also performs substring comparison. If you want to match on an \
exact filename, consider using '--glob'."
)]
pub fixed_strings: bool,
/// Show absolute instead of relative paths
#[arg(
long,
short = 'a',
long_help = "Shows the full path starting from the root as opposed to relative paths. \
The flag can be overridden with --relative-path."
)]
pub absolute_path: bool,
/// Use a long listing format with file metadata
#[arg(
long,
short = 'l',
conflicts_with("absolute_path"),
long_help = "Use a detailed listing format like 'ls -l'. This is basically an alias \
for '--exec-batch ls -l' with some additional 'ls' options. This can be \
used to see more metadata, to show symlink targets and to achieve a \
deterministic sort order."
)]
pub list_details: bool,
/// Follow symbolic links
#[arg(
long,
short = 'L',
alias = "dereference",
long_help = "By default, fd does not descend into symlinked directories. Using this \
flag, symbolic links are also traversed. \
Flag can be overriden with --no-follow."
)]
pub follow: bool,
/// Search full abs. path (default: filename only)
#[arg(
long,
short = 'p',
long_help = "By default, the search pattern is only matched against the filename (or \
directory name). Using this flag, the pattern is matched against the full \
(absolute) path. Example:\n \
fd --glob -p '**/.git/config'"
)]
pub full_path: bool,
/// Separate search results by the null character
#[arg(
long = "print0",
short = '0',
conflicts_with("list_details"),
hide_short_help = true,
long_help = "Separate search results by the null character (instead of newlines). \
Useful for piping results to 'xargs'."
)]
pub null_separator: bool,
/// Set maximum search depth (default: none)
#[arg(
long,
short = 'd',
value_name = "depth",
alias("maxdepth"),
long_help = "Limit the directory traversal to a given depth. By default, there is no \
limit on the search depth."
)]
max_depth: Option<usize>,
/// Only show search results starting at the given depth.
#[arg(
long,
value_name = "depth",
hide_short_help = true,
long_help = "Only show search results starting at the given depth. \
See also: '--max-depth' and '--exact-depth'"
)]
min_depth: Option<usize>,
/// Only show search results at the exact given depth
#[arg(long, value_name = "depth", hide_short_help = true, conflicts_with_all(&["max_depth", "min_depth"]),
long_help = "Only show search results at the exact given depth. This is an alias for \
'--min-depth <depth> --max-depth <depth>'.",
)]
exact_depth: Option<usize>,
/// Do not traverse into directories that match the search criteria. If
/// you want to exclude specific directories, use the '--exclude=…' option.
#[arg(long, hide_short_help = true, conflicts_with_all(&["size", "exact_depth"]),
long_help = "Do not traverse into directories that match the search criteria. If \
you want to exclude specific directories, use the '--exclude=…' option.",
)]
pub prune: bool,
/// Filter by type: file (f), directory (d), symlink (l),
/// executable (x), empty (e), socket (s), pipe (p)
#[arg(
long = "type",
short = 't',
value_name = "filetype",
hide_possible_values = true,
value_enum,
long_help = "Filter the search by type:\n \
'f' or 'file': regular files\n \
'd' or 'directory': directories\n \
'l' or 'symlink': symbolic links\n \
's' or 'socket': socket\n \
'p' or 'pipe': named pipe (FIFO)\n\n \
'x' or 'executable': executables\n \
'e' or 'empty': empty files or directories\n\n\
This option can be specified more than once to include multiple file types. \
Searching for '--type file --type symlink' will show both regular files as \
well as symlinks. Note that the 'executable' and 'empty' filters work differently: \
'--type executable' implies '--type file' by default. And '--type empty' searches \
for empty files and directories, unless either '--type file' or '--type directory' \
is specified in addition.\n\n\
Examples:\n \
- Only search for files:\n \
fd --type file …\n \
fd -tf …\n \
- Find both files and symlinks\n \
fd --type file --type symlink …\n \
fd -tf -tl …\n \
- Find executable files:\n \
fd --type executable\n \
fd -tx\n \
- Find empty files:\n \
fd --type empty --type file\n \
fd -te -tf\n \
- Find empty directories:\n \
fd --type empty --type directory\n \
fd -te -td"
)]
pub filetype: Option<Vec<FileType>>,
/// Filter by file extension
#[arg(
long = "extension",
short = 'e',
value_name = "ext",
long_help = "(Additionally) filter search results by their file extension. Multiple \
allowable file extensions can be specified.\n\
If you want to search for files without extension, \
you can use the regex '^[^.]+$' as a normal search pattern."
)]
pub extensions: Option<Vec<String>>,
#[command(flatten)]
pub exec: Exec,
/// Max number of arguments to run as a batch size with -X
#[arg(
long,
value_name = "size",
hide_short_help = true,
requires("exec_batch"),
value_parser = value_parser!(usize),
default_value_t,
long_help = "Maximum number of arguments to pass to the command given with -X. \
If the number of results is greater than the given size, \
the command given with -X is run again with remaining arguments. \
A batch size of zero means there is no limit (default), but note \
that batching might still happen due to OS restrictions on the \
maximum length of command lines.",
)]
pub batch_size: usize,
/// Exclude entries that match the given glob pattern
#[arg(
long,
short = 'E',
value_name = "pattern",
long_help = "Exclude files/directories that match the given glob pattern. This \
overrides any other ignore logic. Multiple exclude patterns can be \
specified.\n\n\
Examples:\n \
--exclude '*.pyc'\n \
--exclude node_modules"
)]
pub exclude: Vec<String>,
/// Add a custom ignore-file in '.gitignore' format
#[arg(
long,
value_name = "path",
hide_short_help = true,
long_help = "Add a custom ignore-file in '.gitignore' format. These files have a low precedence."
)]
pub ignore_file: Vec<PathBuf>,
/// When to use colors
#[arg(
long,
short = 'c',
value_enum,
default_value_t = ColorWhen::Auto,
value_name = "when",
long_help = "Declare when to use color for the pattern match output",
)]
pub color: ColorWhen,
/// Set number of threads to use for searching & executing (default: number
/// of available CPU cores)
#[arg(long, short = 'j', value_name = "num", hide_short_help = true, value_parser = 1..)]
pub threads: Option<u32>,
/// Limit results based on the size of files
#[arg(long, short = 'S', value_parser = SizeFilter::from_string, allow_hyphen_values = true, verbatim_doc_comment, value_name = "size",
long_help = "Limit results based on the size of files using the format <+-><NUM><UNIT>.\n \
'+': file size must be greater than or equal to this\n \
'-': file size must be less than or equal to this\n\
If neither '+' nor '-' is specified, file size must be exactly equal to this.\n \
'NUM': The numeric size (e.g. 500)\n \
'UNIT': The units for NUM. They are not case-sensitive.\n\
Allowed unit values:\n \
'b': bytes\n \
'k': kilobytes (base ten, 10^3 = 1000 bytes)\n \
'm': megabytes\n \
'g': gigabytes\n \
't': terabytes\n \
'ki': kibibytes (base two, 2^10 = 1024 bytes)\n \
'mi': mebibytes\n \
'gi': gibibytes\n \
'ti': tebibytes",
)]
pub size: Vec<SizeFilter>,
/// Milliseconds to buffer before streaming search results to console
///
/// Amount of time in milliseconds to buffer, before streaming the search
/// results to the console.
#[arg(long, hide = true, value_parser = parse_millis)]
pub max_buffer_time: Option<Duration>,
/// Filter by file modification time (newer than)
#[arg(
long,
alias("change-newer-than"),
alias("newer"),
value_name = "date|dur",
long_help = "Filter results based on the file modification time. The argument can be provided \
as a specific point in time (YYYY-MM-DD HH:MM:SS) or as a duration (10h, 1d, 35min). \
If the time is not specified, it defaults to 00:00:00. \
'--change-newer-than' or '--newer' can be used as aliases.\n\
Examples:\n \
--changed-within 2weeks\n \
--change-newer-than '2018-10-27 10:00:00'\n \
--newer 2018-10-27"
)]
pub changed_within: Option<String>,
/// Filter by file modification time (older than)
#[arg(
long,
alias("change-older-than"),
alias("older"),
value_name = "date|dur",
long_help = "Filter results based on the file modification time. The argument can be provided \
as a specific point in time (YYYY-MM-DD HH:MM:SS) or as a duration (10h, 1d, 35min). \
'--change-older-than' or '--older' can be used as aliases.\n\
Examples:\n \
--changed-before '2018-10-27 10:00:00'\n \
--change-older-than 2weeks\n \
--older 2018-10-27"
)]
pub changed_before: Option<String>,
/// Limit number of search results
#[arg(
long,
value_name = "count",
hide_short_help = true,
long_help = "Limit the number of search results to 'count' and quit immediately."
)]
max_results: Option<usize>,
/// Limit search to a single result
#[arg(
short = '1',
hide_short_help = true,
overrides_with("max_results"),
long_help = "Limit the search to a single result and quit immediately. \
This is an alias for '--max-results=1'."
)]
max_one_result: bool,
/// Print nothing, exit code 0 if match found, 1 otherwise
#[arg(
long,
short = 'q',
alias = "has-results",
hide_short_help = true,
conflicts_with("max_results"),
long_help = "When the flag is present, the program does not print anything and will \
return with an exit code of 0 if there is at least one match. Otherwise, the \
exit code will be 1. \
'--has-results' can be used as an alias."
)]
pub quiet: bool,
/// Show filesystem errors
#[arg(
long,
hide_short_help = true,
long_help = "Enable the display of filesystem errors for situations such as \
insufficient permissions or dead symlinks."
)]
pub show_errors: bool,
/// Change current working directory
#[arg(
long,
value_name = "path",
hide_short_help = true,
long_help = "Change the current working directory of fd to the provided path. This \
means that search results will be shown with respect to the given base \
path. Note that relative paths which are passed to fd via the positional \
<path> argument or the '--search-path' option will also be resolved \
relative to this directory."
)]
pub base_directory: Option<PathBuf>,
/// the search pattern (a regular expression, unless '--glob' is used; optional)
#[arg(
default_value = "",
hide_default_value = true,
value_name = "pattern",
long_help = "the search pattern which is either a regular expression (default) or a glob \
pattern (if --glob is used). If no pattern has been specified, every entry \
is considered a match. If your pattern starts with a dash (-), make sure to \
pass '--' first, or it will be considered as a flag (fd -- '-foo')."
)]
pub pattern: String,
/// Set path separator when printing file paths
#[arg(
long,
value_name = "separator",
hide_short_help = true,
long_help = "Set the path separator to use when printing file paths. The default is \
the OS-specific separator ('/' on Unix, '\\' on Windows)."
)]
pub path_separator: Option<String>,
/// the root directories for the filesystem search (optional)
#[arg(action = ArgAction::Append,
value_name = "path",
long_help = "The directory where the filesystem search is rooted (optional). If \
omitted, search the current working directory.",
)]
path: Vec<PathBuf>,
/// Provides paths to search as an alternative to the positional <path> argument
#[arg(
long,
conflicts_with("path"),
value_name = "search-path",
hide_short_help = true,
long_help = "Provide paths to search as an alternative to the positional <path> \
argument. Changes the usage to `fd [OPTIONS] --search-path <path> \
--search-path <path2> [<pattern>]`"
)]
search_path: Vec<PathBuf>,
/// By default, relative paths are prefixed with './' when -x/--exec,
/// -X/--exec-batch, or -0/--print0 are given, to reduce the risk of a
/// path starting with '-' being treated as a command line option. Use
/// this flag to disable this behaviour.
#[arg(long, conflicts_with_all(&["path", "search_path"]), hide_short_help = true,
long_help = "By default, relative paths are prefixed with './' when -x/--exec, \
-X/--exec-batch, or -0/--print0 are given, to reduce the risk of a \
path starting with '-' being treated as a command line option. Use \
this flag to disable this behaviour.",
)]
pub strip_cwd_prefix: bool,
/// Filter by owning user and/or group
#[cfg(unix)]
#[arg(long, short = 'o', value_parser = OwnerFilter::from_string, value_name = "user:group",
long_help = "Filter files by their user and/or group. \
Format: [(user|uid)][:(group|gid)]. Either side is optional. \
Precede either side with a '!' to exclude files instead.\n\
Examples:\n \
--owner john\n \
--owner :students\n \
--owner '!john:students'"
)]
pub owner: Option<OwnerFilter>,
#[cfg(any(unix, windows))]
#[arg(long, aliases(&["mount", "xdev"]), hide_short_help = true,
long_help = "By default, fd will traverse the file system tree as far as other options \
dictate. With this flag, fd ensures that it does not descend into a \
different file system than the one it started in. Comparable to the -mount \
or -xdev filters of find(1).")]
pub one_file_system: bool,
#[cfg(feature = "completions")]
#[arg(long, hide = true, exclusive = true)]
gen_completions: Option<Option<Shell>>,
#[clap(flatten)]
_negations: Negations,
}
impl Opts {
pub fn search_paths(&self) -> anyhow::Result<Vec<PathBuf>> {
// would it make sense to concatenate these?
let paths = if !self.path.is_empty() {
&self.path
} else if !self.search_path.is_empty() {
&self.search_path
} else {
let current_directory = Path::new(".");
ensure_current_directory_exists(current_directory)?;
return Ok(vec![self.normalize_path(current_directory)]);
};
Ok(paths
.iter()
.filter_map(|path| {
if filesystem::is_existing_directory(path) {
Some(self.normalize_path(path))
} else {
print_error(format!(
"Search path '{}' is not a directory.",
path.to_string_lossy()
));
None
}
})
.collect())
}
fn normalize_path(&self, path: &Path) -> PathBuf {
if self.absolute_path {
filesystem::absolute_path(path.normalize().unwrap().as_path()).unwrap()
} else {
path.to_path_buf()
}
}
pub fn no_search_paths(&self) -> bool {
self.path.is_empty() && self.search_path.is_empty()
}
#[inline]
pub fn rg_alias_ignore(&self) -> bool {
self.rg_alias_hidden_ignore > 0
}
pub fn max_depth(&self) -> Option<usize> {
self.max_depth.or(self.exact_depth)
}
pub fn min_depth(&self) -> Option<usize> {
self.min_depth.or(self.exact_depth)
}
pub fn threads(&self) -> usize {
// This will panic if the number of threads passed in is more than usize::MAX in an environment
// where usize is less than 32 bits (for example 16-bit architectures). It's pretty
// unlikely fd will be running in such an environment, and even more unlikely someone would
// be trying to use that many threads on such an environment, so I think panicing is an
// appropriate way to handle that.
std::cmp::max(
self.threads
.map_or_else(num_cpus::get, |n| n.try_into().expect("too many threads")),
1,
)
}
pub fn max_results(&self) -> Option<usize> {
self.max_results
.filter(|&m| m > 0)
.or_else(|| self.max_one_result.then(|| 1))
}
#[cfg(feature = "completions")]
pub fn gen_completions(&self) -> anyhow::Result<Option<Shell>> {
self.gen_completions
.map(|maybe_shell| match maybe_shell {
Some(sh) => Ok(sh),
None => guess_shell(),
})
.transpose()
}
}
#[cfg(feature = "completions")]
fn guess_shell() -> anyhow::Result<Shell> {
let env_shell = std::env::var_os("SHELL").map(PathBuf::from);
if let Some(shell) = env_shell
.as_ref()
.and_then(|s| s.file_name())
.and_then(|s| s.to_str())
{
shell
.parse::<Shell>()
.map_err(|_| anyhow!("Unknown shell {}", shell))
} else {
// Assume powershell on windows
#[cfg(windows)]
return Ok(Shell::PowerShell);
#[cfg(not(windows))]
return Err(anyhow!("Unable to get shell from environment"));
}
}
#[derive(Copy, Clone, PartialEq, Eq, ValueEnum)]
pub enum FileType {
#[value(alias = "f")]
File,
#[value(alias = "d")]
Directory,
#[value(alias = "l")]
Symlink,
#[value(alias = "x")]
Executable,
#[value(alias = "e")]
Empty,
#[value(alias = "s")]
Socket,
#[value(alias = "p")]
Pipe,
}
#[derive(Copy, Clone, PartialEq, Eq, Debug, ValueEnum)]
pub enum ColorWhen {
/// show colors if the output goes to an interactive console (default)
Auto,
/// always use colorized output
Always,
/// do not use colorized output
Never,
}
impl ColorWhen {
pub fn as_str(&self) -> &'static str {
use ColorWhen::*;
match *self {
Auto => "auto",
Never => "never",
Always => "always",
}
}
}
// there isn't a derive api for getting grouped values yet,
// so we have to use hand-rolled parsing for exec and exec-batch
pub struct Exec {
pub command: Option<CommandSet>,
}
impl clap::FromArgMatches for Exec {
fn from_arg_matches(matches: &ArgMatches) -> clap::error::Result<Self> {
let command = matches
.grouped_values_of("exec")
.map(CommandSet::new)
.or_else(|| {
matches
.grouped_values_of("exec_batch")
.map(CommandSet::new_batch)
})
.transpose()
.map_err(|e| clap::Error::raw(ErrorKind::InvalidValue, e))?;
Ok(Exec { command })
}
fn update_from_arg_matches(&mut self, matches: &ArgMatches) -> clap::error::Result<()> {
*self = Self::from_arg_matches(matches)?;
Ok(())
}
}
impl clap::Args for Exec {
fn augment_args(cmd: Command) -> Command {
cmd.arg(Arg::new("exec")
.action(ArgAction::Append)
.long("exec")
.short('x')
.num_args(1..)
.allow_hyphen_values(true)
.value_terminator(";")
.value_name("cmd")
.conflicts_with("list_details")
.help("Execute a command for each search result")
.long_help(
"Execute a command for each search result in parallel (use --threads=1 for sequential command execution). \
All positional arguments following --exec are considered to be arguments to the command - not to fd. \
It is therefore recommended to place the '-x'/'--exec' option last.\n\
The following placeholders are substituted before the command is executed:\n \
'{}': path (of the current search result)\n \
'{/}': basename\n \
'{//}': parent directory\n \
'{.}': path without file extension\n \
'{/.}': basename without file extension\n\n\
If no placeholder is present, an implicit \"{}\" at the end is assumed.\n\n\
Examples:\n\n \
- find all *.zip files and unzip them:\n\n \
fd -e zip -x unzip\n\n \
- find *.h and *.cpp files and run \"clang-format -i ..\" for each of them:\n\n \
fd -e h -e cpp -x clang-format -i\n\n \
- Convert all *.jpg files to *.png files:\n\n \
fd -e jpg -x convert {} {.}.png\
",
),
)
.arg(
Arg::new("exec_batch")
.action(ArgAction::Append)
.long("exec-batch")
.short('X')
.num_args(1..)
.allow_hyphen_values(true)
.value_terminator(";")
.value_name("cmd")
.conflicts_with_all(&["exec", "list_details"])
.help("Execute a command with all search results at once")
.long_help(
"Execute the given command once, with all search results as arguments.\n\
One of the following placeholders is substituted before the command is executed:\n \
'{}': path (of all search results)\n \
'{/}': basename\n \
'{//}': parent directory\n \
'{.}': path without file extension\n \
'{/.}': basename without file extension\n\n\
If no placeholder is present, an implicit \"{}\" at the end is assumed.\n\n\
Examples:\n\n \
- Find all test_*.py files and open them in your favorite editor:\n\n \
fd -g 'test_*.py' -X vim\n\n \
- Find all *.rs files and count the lines with \"wc -l ...\":\n\n \
fd -e rs -X wc -l\
"
),
)
}
fn augment_args_for_update(cmd: Command) -> Command {
Self::augment_args(cmd)
}
}
fn parse_millis(arg: &str) -> Result<Duration, std::num::ParseIntError> {
Ok(Duration::from_millis(arg.parse()?))
}
fn ensure_current_directory_exists(current_directory: &Path) -> anyhow::Result<()> {
if filesystem::is_existing_directory(current_directory) {
Ok(())
} else {
Err(anyhow!(
"Could not retrieve current directory (has it been deleted?)."
))
}
}