mirror of https://github.com/sharkdp/fd.git
195 lines
7.7 KiB
Rust
195 lines
7.7 KiB
Rust
// Copyright (c) 2017 fd developers
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// Licensed under the Apache License, Version 2.0
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// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0>
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// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
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// at your option. All files in the project carrying such
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// notice may not be copied, modified, or distributed except
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// according to those terms.
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use std::collections::HashMap;
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use clap::{App, AppSettings, Arg};
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struct Help {
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short: &'static str,
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long: &'static str,
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}
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macro_rules! doc {
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($map:expr, $name:expr, $short:expr) => {
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doc!($map, $name, $short, $short)
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};
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($map:expr, $name:expr, $short:expr, $long:expr) => {
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$map.insert($name, Help {
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short: $short,
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long: concat!($long, "\n ")
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});
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};
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}
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pub fn build_app() -> App<'static, 'static> {
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let helps = usage();
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let arg = |name| {
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Arg::with_name(name).help(helps[name].short).long_help(
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helps[name].long,
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)
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};
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App::new("fd")
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.version(crate_version!())
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.usage("fd [FLAGS/OPTIONS] [<pattern>] [<path>]")
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.setting(AppSettings::ColoredHelp)
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.setting(AppSettings::DeriveDisplayOrder)
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.arg(arg("hidden").long("hidden").short("H"))
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.arg(arg("no-ignore").long("no-ignore").short("I"))
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.arg(
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arg("rg-alias-hidden-ignore")
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.short("u")
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.multiple(true)
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.hidden(true),
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)
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.arg(
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arg("case-sensitive")
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.long("case-sensitive")
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.short("s")
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.overrides_with("ignore-case"),
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)
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.arg(
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arg("ignore-case")
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.long("ignore-case")
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.short("i")
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.overrides_with("case-sensitive"),
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)
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.arg(arg("absolute-path").long("absolute-path").short("a"))
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.arg(arg("follow").long("follow").short("L").alias("dereference"))
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.arg(arg("full-path").long("full-path").short("p"))
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.arg(arg("null_separator").long("print0").short("0"))
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.arg(arg("depth").long("max-depth").short("d").takes_value(true))
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.arg(
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arg("file-type")
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.long("type")
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.short("t")
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.takes_value(true)
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.value_name("filetype")
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.possible_values(&["f", "file", "d", "directory", "l", "symlink"])
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.hide_possible_values(true),
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)
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.arg(
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arg("extension")
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.long("extension")
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.short("e")
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.takes_value(true)
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.value_name("ext"),
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)
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.arg(
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arg("color")
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.long("color")
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.short("c")
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.takes_value(true)
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.value_name("when")
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.possible_values(&["never", "auto", "always"])
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.hide_possible_values(true),
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)
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.arg(
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arg("threads")
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.long("threads")
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.short("j")
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.takes_value(true)
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.value_name("num"),
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)
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.arg(
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arg("max-buffer-time")
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.long("max-buffer-time")
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.takes_value(true)
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.hidden(true),
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)
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.arg(arg("exec").long("exec").short("x").takes_value(true))
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.arg(arg("pattern"))
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.arg(arg("path"))
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}
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#[cfg_attr(rustfmt, rustfmt_skip)]
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fn usage() -> HashMap<&'static str, Help> {
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let mut h = HashMap::new();
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doc!(h, "hidden"
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, "Search hidden files and directories"
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, "Include hidden directories and files in the search results (default: hidden files \
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and directories are skipped).");
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doc!(h, "no-ignore"
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, "Do not respect .(git)ignore files"
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, "Show search results from files and directories that would otherwise be ignored by \
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'.*ignore' files.");
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doc!(h, "case-sensitive"
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, "Case-sensitive search (default: smart case)"
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, "Perform a case-sensitive search. By default, fd uses case-insensitive searches, \
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unless the pattern contains an uppercase character (smart case).");
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doc!(h, "ignore-case"
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, "Case-insensitive search (default: smart case)"
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, "Perform a case-insensitive search. By default, fd uses case-insensitive searches, \
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unless the pattern contains an uppercase character (smart case).");
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doc!(h, "absolute-path"
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, "Show absolute instead of relative paths"
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, "Shows the full path starting from the root as opposed to relative paths.");
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doc!(h, "follow"
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, "Follow symbolic links"
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, "By default, fd does not descent into symlinked directories. Using this flag, symbolic \
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links are also traversed.");
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doc!(h, "full-path"
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, "Search full path (default: file-/dirname only)"
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, "By default, the search pattern is only matched against the filename (or directory \
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name). Using this flag, the pattern is matched against the full path.");
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doc!(h, "null_separator"
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, "Separate results by the null character"
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, "Separate search results by the null character (instead of newlines). Useful for \
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piping results to 'xargs'.");
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doc!(h, "depth"
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, "Set maximum search depth (default: none)"
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, "Limit the directory traversal to a given depth. By default, there is no limit \
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on the search depth.");
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doc!(h, "file-type"
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, "Filter by type: f(ile), d(irectory), (sym)l(ink)"
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, "Filter the search by type:\n \
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'f' or 'file': regular files\n \
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'd' or 'directory': directories\n \
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'l' or 'symlink': symbolic links");
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doc!(h, "exec"
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, "Execute each discovered path using the argument that follows as the command expression."
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, "Execute each discovered path using the argument that follows as the command \
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expression.\n \
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The following are valid tokens that can be used within the expression for generating \
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commands:\n \
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'{}': places the input in the location of this token\n \
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'{.}': removes the extension from the input\n \
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'{/}': places the basename of the input\n \
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'{//}': places the parent of the input\n \
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'{/.}': places the basename of the input, without the extension\n");
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doc!(h, "extension"
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, "Filter by file extension"
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, "(Additionally) filter search results by their file extension.");
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doc!(h, "color"
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, "When to use colors: never, *auto*, always"
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, "Declare when to use color for the pattern match output:\n \
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'auto': show colors if the output goes to an interactive console (default)\n \
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'never': do not use colorized output\n \
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'always': always use colorized output");
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doc!(h, "threads"
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, "Set number of threads to use for searching & executing"
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, "Set number of threads to use for searching & executing (default: number of available \
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CPU cores)");
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doc!(h, "max-buffer-time"
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, "the time (in ms) to buffer, before streaming to the console"
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, "Amount of time in milliseconds to buffer, before streaming the search results to\
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the console.");
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doc!(h, "pattern"
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, "the search pattern, a regular expression (optional)");
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doc!(h, "path"
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, "the root directory for the filesystem search (optional)"
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, "The directory where the filesystem search is rooted (optional). \
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If omitted, search the current working directory.");
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doc!(h, "rg-alias-hidden-ignore"
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, "Alias for no-ignore and/or hidden"
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, "Alias for no-ignore ('u') and no-ignore and hidden ('uu')");
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h
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}
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