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Update the --help text
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sharkdp
parent
8e6c5bc562
commit
08850f0474
@ -31,7 +31,7 @@ default-features = false
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features = ["parsing", "yaml-load", "dump-load", "dump-create"]
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[dependencies.clap]
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version = "2"
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version = "2.32"
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default-features = false
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features = ["suggestions", "color", "wrap_help"]
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61
src/app.rs
61
src/app.rs
@ -56,19 +56,19 @@ impl App {
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.short("l")
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.long("language")
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.overrides_with("language")
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.help("Set the language for highlighting")
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.help("Set the language for syntax highlighting")
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.long_help(
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"Set the language for syntax highlighting. The language can be \
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specified as a name (like 'C++' or 'LaTeX') or possible file \
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extension (like 'cpp', 'hpp' or 'md'). Use '--list-languages' \
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to show all supported language names and file extensions",
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"Explicitly set the language for syntax highlighting. The language can be \
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specified as a name (like 'C++' or 'LaTeX') or possible file extension \
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(like 'cpp', 'hpp' or 'md'). Use '--list-languages' to show all supported \
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language names and file extensions."
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).takes_value(true),
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).arg(
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Arg::with_name("FILE")
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.help("File(s) to print / concatenate. Use '-' for standard input.")
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.long_help(
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"File(s) to print. Use no argument or '-' to read from standard \
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input",
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"File(s) to print / concatenate. Use a dash ('-') or no argument at all \
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to read from standard input.",
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).multiple(true)
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.empty_values(false),
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).arg(
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@ -96,7 +96,9 @@ impl App {
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.value_name("when")
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.possible_values(&["auto", "never", "always"])
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.default_value("auto")
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.help("When to use colors"),
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.help("When to use colors")
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.long_help("Specify when to use colored output. The automatic mode \
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only enables colors if an interactive terminal is detected."),
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).arg(
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Arg::with_name("paging")
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.long("paging")
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@ -106,7 +108,11 @@ impl App {
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.possible_values(&["auto", "never", "always"])
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.default_value("auto")
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.help("When to use the pager")
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.long_help("Specify when to use the pager (less)"),
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.long_help("Specify when to use the pager. To control which pager \
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is used, set the PAGER or BAT_PAGER environment \
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variables (the latter takes precedence). The default \
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pager is 'less'. To disable the pager permanently, set \
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BAT_PAGER to an empty string."),
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).arg(
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Arg::with_name("wrap")
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.long("wrap")
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@ -115,43 +121,45 @@ impl App {
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.value_name("mode")
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.possible_values(&["character", "never"])
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.default_value("character")
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.help("When to wrap text"),
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.help("Specify the text-wrapping mode")
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.long_help("Specify the text-wrapping mode."),
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).arg(
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Arg::with_name("list-languages")
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.long("list-languages")
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.help("Displays supported languages")
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.long_help("Display a list of supported languages"),
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.conflicts_with("list-themes")
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.help("Display all supported languages")
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.long_help("Display a list of supported languages for syntax highlighting."),
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).arg(
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Arg::with_name("theme")
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.long("theme")
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.overrides_with("theme")
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.takes_value(true)
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.help("Set the theme for highlighting")
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.help("Set the color theme for syntax highlighting")
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.long_help(
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"Set the theme for syntax highlighting. Use '--list-themes' to \
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see all available themes. To set a default theme export the \
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BAT_THEME environment variable e.g. use export \
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BAT_THEME=\"TwoDark\" in your shells startup file to \
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permanently use the TwoDark theme.",
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see all available themes. To set a default theme, export the \
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BAT_THEME environment variable (e.g.: export \
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BAT_THEME=\"TwoDark\").",
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),
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).arg(
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Arg::with_name("line-range")
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.long("line-range")
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.overrides_with("line-range")
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.takes_value(true)
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.value_name("n:m")
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.help("Only print the lines from n to m")
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.value_name("N:M")
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.help("Only print the lines from N to M")
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.long_help(
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"Print a specified range or ranges of lines from the files. \
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For example: '--line-range 30:40' will print lines 30 to 40 \n\
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'--line-range :40' will print lines 1 to 40 \n\
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'--line-range 40:' will print lines 40 to the end of the file",
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"Only print the specified range of lines for each file. \
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For example:\n \
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'--line-range 30:40' prints lines 30 to 40\n \
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'--line-range :40' prints lines 1 to 40\n \
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'--line-range 40:' prints lines 40 to the end of the file",
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),
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).arg(
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Arg::with_name("list-themes")
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.long("list-themes")
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.help("Displays supported themes")
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.help("Display a list of supported themes for syntax highlighting"),
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.help("Display a list of supported themes for syntax highlighting."),
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).arg(
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Arg::with_name("number")
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.long("number")
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@ -160,14 +168,13 @@ impl App {
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.conflicts_with("style")
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.help("Show line numbers (alias for '--style=numbers')")
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.long_help(
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"Show line numbers (no other decorations). This is an alias for \
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"Only show line numbers, no other decorations. This is an alias for \
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'--style=numbers'",
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),
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).arg(
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Arg::with_name("unbuffered")
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.short("u")
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.help("(ignored)")
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// TODO: use '.hidden_short_help(true)' when the next clap version is released
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.hidden_short_help(true)
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.long_help(
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"This option exists for POSIX-compliance reasons ('u' is for \
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'unbuffered'). The output is always unbuffered - this option \
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