diff options
Diffstat (limited to 'Documentation/git-rev-parse.txt')
-rw-r--r-- | Documentation/git-rev-parse.txt | 60 |
1 files changed, 55 insertions, 5 deletions
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index d068a65377..987395d22a 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -50,6 +50,10 @@ Options for --parseopt the first non-option argument. This can be used to parse sub-commands that take options themselves. +--stuck-long:: + Only meaningful in `--parseopt` mode. Output the options in their + long form if available, and with their arguments stuck. + Options for Filtering ~~~~~~~~~~~~~~~~~~~~~ @@ -173,6 +177,20 @@ shown. If the pattern does not contain a globbing character (`?`, character (`?`, `*`, or `[`), it is turned into a prefix match by appending `/*`. +--exclude=<glob-pattern>:: + Do not include refs matching '<glob-pattern>' that the next `--all`, + `--branches`, `--tags`, `--remotes`, or `--glob` would otherwise + consider. Repetitions of this option accumulate exclusion patterns + up to the next `--all`, `--branches`, `--tags`, `--remotes`, or + `--glob` option (other options or arguments do not clear + accumlated patterns). ++ +The patterns given should not begin with `refs/heads`, `refs/tags`, or +`refs/remotes` when applied to `--branches`, `--tags`, or `--remotes`, +respectively, and they must begin with `refs/` when applied to `--glob` +or `--all`. If a trailing '/{asterisk}' is intended, it must be given +explicitly. + --disambiguate=<prefix>:: Show every object whose name begins with the given prefix. The <prefix> must be at least 4 hexadecimal digits long to @@ -266,26 +284,28 @@ Input Format 'git rev-parse --parseopt' input format is fully text based. It has two parts, separated by a line that contains only `--`. The lines before the separator -(should be more than one) are used for the usage. +(should be one or more) are used for the usage. The lines after the separator describe the options. Each line of options has this format: ------------ -<opt_spec><flags>* SP+ help LF +<opt-spec><flags>*<arg-hint>? SP+ help LF ------------ -`<opt_spec>`:: +`<opt-spec>`:: its format is the short option character, then the long option name separated by a comma. Both parts are not required, though at least one is necessary. `h,help`, `dry-run` and `f` are all three correct - `<opt_spec>`. + `<opt-spec>`. `<flags>`:: `<flags>` are of `*`, `=`, `?` or `!`. * Use `=` if the option takes an argument. - * Use `?` to mean that the option is optional (though its use is discouraged). + * Use `?` to mean that the option takes an optional argument. You + probably want to use the `--stuck-long` mode to be able to + unambiguously parse the optional argument. * Use `*` to mean that this option should not be listed in the usage generated for the `-h` argument. It's shown for `--help-all` as @@ -293,6 +313,12 @@ Each line of options has this format: * Use `!` to not make the corresponding negated long option available. +`<arg-hint>`:: + `<arg-hint>`, if specified, is used as a name of the argument in the + help output, for options that take arguments. `<arg-hint>` is + terminated by the first whitespace. It is customary to use a + dash to separate words in a multi-word argument hint. + The remainder of the line, after stripping the spaces, is used as the help associated to the option. @@ -313,6 +339,8 @@ h,help show the help foo some nifty option --foo bar= some cool option --bar with an argument +baz=arg another cool option --baz with a named argument +qux?path qux may take a path argument but has meaning by itself An option group Header C? option C with an optional argument" @@ -320,6 +348,28 @@ C? option C with an optional argument" eval "$(echo "$OPTS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?)" ------------ + +Usage text +~~~~~~~~~~ + +When `"$@"` is `-h` or `--help` in the above example, the following +usage text would be shown: + +------------ +usage: some-command [options] <args>... + + some-command does foo and bar! + + -h, --help show the help + --foo some nifty option --foo + --bar ... some cool option --bar with an argument + --baz <arg> another cool option --baz with a named argument + --qux[=<path>] qux may take a path argument but has meaning by itself + +An option group Header + -C[...] option C with an optional argument +------------ + SQ-QUOTE -------- |