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v8.2.1
src/app.rs
599 строк
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sharkdp
Improve --fixed-strings help text, closes #627
06 дек 2020, 16:57
06 дек 2020, 16:57
17bd256
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use clap::{crate_version, App, AppSettings, Arg}; pub fn build_app() -> App<'static, 'static> { let clap_color_setting = if std::env::var_os("NO_COLOR").is_none() { AppSettings::ColoredHelp } else { AppSettings::ColorNever }; let mut app = App::new("fd") .version(crate_version!()) .usage("fd [FLAGS/OPTIONS] [<pattern>] [<path>...]") .setting(clap_color_setting) .setting(AppSettings::DeriveDisplayOrder) .after_help( "Note: `fd -h` prints a short and concise overview while `fd --help` gives all \ details.", ) .arg( Arg::with_name("hidden") .long("hidden") .short("H") .overrides_with("hidden") .help("Search hidden files and directories") .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).", ), ) .arg( Arg::with_name("no-ignore") .long("no-ignore") .short("I") .overrides_with("no-ignore") .help("Do not respect .(git|fd)ignore files") .long_help( "Show search results from files and directories that would otherwise be \ ignored by '.gitignore', '.ignore', '.fdignore', or the global ignore file.", ), ) .arg( Arg::with_name("no-ignore-vcs") .long("no-ignore-vcs") .overrides_with("no-ignore-vcs") .hidden_short_help(true) .long_help( "Show search results from files and directories that would otherwise be \ ignored by '.gitignore' files.", ), ) .arg( Arg::with_name("no-global-ignore-file") .long("no-global-ignore-file") .hidden(true) .long_help("Do not respect the global ignore file."), ) .arg( Arg::with_name("rg-alias-hidden-ignore") .short("u") .long("unrestricted") .multiple(true) .hidden_short_help(true) .long_help( "Alias for '--no-ignore'. Can be repeated. '-uu' is an alias for \ '--no-ignore --hidden'.", ), ) .arg( Arg::with_name("case-sensitive") .long("case-sensitive") .short("s") .overrides_with_all(&["ignore-case", "case-sensitive"]) .help("Case-sensitive search (default: smart case)") .long_help( "Perform a case-sensitive search. By default, fd uses case-insensitive \ searches, unless the pattern contains an uppercase character (smart \ case).", ), ) .arg( Arg::with_name("ignore-case") .long("ignore-case") .short("i") .overrides_with_all(&["case-sensitive", "ignore-case"]) .help("Case-insensitive search (default: smart case)") .long_help( "Perform a case-insensitive search. By default, fd uses case-insensitive \ searches, unless the pattern contains an uppercase character (smart \ case).", ), ) .arg( Arg::with_name("glob") .long("glob") .short("g") .conflicts_with("fixed-strings") .overrides_with("glob") .help("Glob-based search (default: regular expression)") .long_help("Perform a glob-based search instead of a regular expression search."), ) .arg( Arg::with_name("regex") .long("regex") .overrides_with_all(&["glob", "regex"]) .hidden_short_help(true) .long_help( "Perform a regular-expression based search (default). This can be used to \ override --glob.", ), ) .arg( Arg::with_name("fixed-strings") .long("fixed-strings") .short("F") .alias("literal") .overrides_with("fixed-strings") .hidden_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'.", ), ) .arg( Arg::with_name("absolute-path") .long("absolute-path") .short("a") .overrides_with("absolute-path") .help("Show absolute instead of relative paths") .long_help( "Shows the full path starting from the root as opposed to relative paths.", ), ) .arg( Arg::with_name("list-details") .long("list-details") .short("l") .conflicts_with("absolute-path") .help("Use a long listing format with file metadata") .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.", ), ) .arg( Arg::with_name("follow") .long("follow") .short("L") .alias("dereference") .overrides_with("follow") .help("Follow symbolic links") .long_help( "By default, fd does not descend into symlinked directories. Using this \ flag, symbolic links are also traversed.", ), ) .arg( Arg::with_name("full-path") .long("full-path") .short("p") .overrides_with("full-path") .help("Search full path (default: file-/dirname only)") .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 path.", ), ) .arg( Arg::with_name("null_separator") .long("print0") .short("0") .overrides_with("print0") .conflicts_with("list-details") .help("Separate results by the null character") .long_help( "Separate search results by the null character (instead of newlines). \ Useful for piping results to 'xargs'.", ), ) .arg( Arg::with_name("max-depth") .long("max-depth") .short("d") .takes_value(true) .value_name("depth") .help("Set maximum search depth (default: none)") .long_help( "Limit the directory traversal to a given depth. By default, there is no \ limit on the search depth.", ), ) // support --maxdepth as well, for compatibility with rg .arg( Arg::with_name("rg-depth") .long("maxdepth") .hidden(true) .takes_value(true) ) .arg( Arg::with_name("min-depth") .long("min-depth") .takes_value(true) .value_name("depth") .hidden_short_help(true) .long_help( "Only show search results starting at the given depth. \ See also: '--max-depth' and '--exact-depth'", ), ) .arg( Arg::with_name("exact-depth") .long("exact-depth") .takes_value(true) .value_name("depth") .hidden_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>'.", ), ) .arg( Arg::with_name("prune") .long("prune") .conflicts_with_all(&["size", "exact-depth"]) .hidden_short_help(true) .long_help("Do not traverse into matching directories.") ) .arg( Arg::with_name("file-type") .long("type") .short("t") .multiple(true) .number_of_values(1) .takes_value(true) .value_name("filetype") .possible_values(&[ "f", "file", "d", "directory", "l", "symlink", "x", "executable", "e", "empty", "s", "socket", "p", "pipe", ]) .hide_possible_values(true) .help( "Filter by type: file (f), directory (d), symlink (l),\nexecutable (x), \ empty (e), socket (s), pipe (p)", ) .long_help( "Filter the search by type (multiple allowable filetypes can be specified):\n \ 'f' or 'file': regular files\n \ 'd' or 'directory': directories\n \ 'l' or 'symlink': symbolic links\n \ 'x' or 'executable': executables\n \ 'e' or 'empty': empty files or directories\n \ 's' or 'socket': socket\n \ 'p' or 'pipe': named pipe (FIFO)", ), ) .arg( Arg::with_name("extension") .long("extension") .short("e") .multiple(true) .number_of_values(1) .takes_value(true) .value_name("ext") .help("Filter by file extension") .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.", ), ) .arg( Arg::with_name("exec") .long("exec") .short("x") .min_values(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.\n\ All arguments following --exec are taken to be arguments to the command until the \ argument ';' is encountered.\n\ Each occurrence of the following placeholders is substituted by a path derived from the \ current search result before the command is executed:\n \ '{}': path\n \ '{/}': basename\n \ '{//}': parent directory\n \ '{.}': path without file extension\n \ '{/.}': basename without file extension", ), ) .arg( Arg::with_name("exec-batch") .long("exec-batch") .short("X") .min_values(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 a command with all search results at once.\n\ All arguments following --exec-batch are taken to be arguments to the command until the \ argument ';' is encountered.\n\ A single occurrence of the following placeholders is authorized and substituted by the paths derived from the \ search results before the command is executed:\n \ '{}': path\n \ '{/}': basename\n \ '{//}': parent directory\n \ '{.}': path without file extension\n \ '{/.}': basename without file extension", ), ) .arg( Arg::with_name("exclude") .long("exclude") .short("E") .takes_value(true) .value_name("pattern") .number_of_values(1) .multiple(true) .help("Exclude entries that match the given glob 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", ), ) .arg( Arg::with_name("ignore-file") .long("ignore-file") .takes_value(true) .value_name("path") .number_of_values(1) .multiple(true) .hidden_short_help(true) .long_help( "Add a custom ignore-file in '.gitignore' format. These files have a low \ precedence.", ), ) .arg( Arg::with_name("color") .long("color") .short("c") .takes_value(true) .value_name("when") .possible_values(&["never", "auto", "always"]) .hide_possible_values(true) .help("When to use colors: never, *auto*, always") .long_help( "Declare when to use color for the pattern match output:\n \ 'auto': show colors if the output goes to an interactive console (default)\n \ 'never': do not use colorized output\n \ 'always': always use colorized output", ), ) .arg( Arg::with_name("threads") .long("threads") .short("j") .takes_value(true) .value_name("num") .hidden_short_help(true) .long_help( "Set number of threads to use for searching & executing (default: number \ of available CPU cores)", ), ) .arg( Arg::with_name("size") .long("size") .short("S") .takes_value(true) .number_of_values(1) .allow_hyphen_values(true) .multiple(true) .help("Limit results based on the size of files.") .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", ), ) .arg( Arg::with_name("max-buffer-time") .long("max-buffer-time") .takes_value(true) .hidden(true) .long_help( "Amount of time in milliseconds to buffer, before streaming the search \ results to the console.", ), ) .arg( Arg::with_name("changed-within") .long("changed-within") .alias("change-newer-than") .alias("newer") .takes_value(true) .value_name("date|dur") .number_of_values(1) .help("Filter by file modification time (newer than)") .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-newer-than' can be used as an alias.\n\ Examples:\n \ --changed-within 2weeks\n \ --change-newer-than '2018-10-27 10:00:00'", ), ) .arg( Arg::with_name("changed-before") .long("changed-before") .alias("change-older-than") .alias("older") .takes_value(true) .value_name("date|dur") .number_of_values(1) .help("Filter by file modification time (older than)") .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' can be used as an alias.\n\ Examples:\n \ --changed-before '2018-10-27 10:00:00'\n \ --change-older-than 2weeks", ), ) .arg( Arg::with_name("max-results") .long("max-results") .takes_value(true) .value_name("count") // We currently do not support --max-results in combination with // program execution because the results that come up in a --max-results // search are non-deterministic. Users might think that they can run the // same search with `--exec rm` attached and get a reliable removal of // the files they saw in the previous search. .conflicts_with_all(&["exec", "exec-batch", "list-details"]) .hidden_short_help(true) .long_help("Limit the number of search results to 'count' and quit immediately."), ) .arg( Arg::with_name("max-one-result") .short("1") .hidden_short_help(true) .overrides_with("max-results") .conflicts_with_all(&["exec", "exec-batch", "list-details"]) .long_help("Limit the search to a single result and quit immediately. \ This is an alias for '--max-results=1'.") ) .arg( Arg::with_name("show-errors") .long("show-errors") .hidden_short_help(true) .overrides_with("show-errors") .long_help( "Enable the display of filesystem errors for situations such as \ insufficient permissions or dead symlinks.", ), ) .arg( Arg::with_name("base-directory") .long("base-directory") .takes_value(true) .value_name("path") .number_of_values(1) .hidden_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.", ), ) .arg( Arg::with_name("pattern").help( "the search pattern (a regular expression, unless '--glob' is used; optional)", ).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').") ) .arg( Arg::with_name("path-separator") .takes_value(true) .value_name("separator") .long("path-separator") .hidden_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).", ), ) .arg( Arg::with_name("path") .multiple(true) .help("the root directory for the filesystem search (optional)") .long_help( "The directory where the filesystem search is rooted (optional). If \ omitted, search the current working directory.", ), ) .arg( Arg::with_name("search-path") .long("search-path") .takes_value(true) .conflicts_with("path") .multiple(true) .hidden_short_help(true) .number_of_values(1) .long_help( "Provide paths to search as an alternative to the positional <path> \ argument. Changes the usage to `fd [FLAGS/OPTIONS] --search-path <path> \ --search-path <path2> [<pattern>]`", ), ); if cfg!(unix) { app = app.arg( Arg::with_name("owner") .long("owner") .short("o") .takes_value(true) .value_name("user:group") .help("Filter by owning user and/or 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'", ), ); } // Make `--one-file-system` available only on Unix and Windows platforms, as per the // restrictions on the corresponding option in the `ignore` crate. // Provide aliases `mount` and `xdev` for people coming from `find`. if cfg!(any(unix, windows)) { app = app.arg( Arg::with_name("one-file-system") .long("one-file-system") .aliases(&["mount", "xdev"]) .hidden_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).", ), ); } app }