зеркало из https://github.com/microsoft/git.git
127 строки
3.5 KiB
Plaintext
127 строки
3.5 KiB
Plaintext
git-rev-parse(1)
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================
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NAME
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----
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git-rev-parse - Pick out and massage parameters.
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SYNOPSIS
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--------
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'git-rev-parse' [ --option ] <args>...
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DESCRIPTION
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-----------
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Many git Porcelainish commands take mixture of flags
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(i.e. parameters that begin with a dash '-') and parameters
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meant for underlying `git-rev-list` command they use internally
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and flags and parameters for other commands they use as the
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downstream of `git-rev-list`. This command is used to
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distinguish between them.
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OPTIONS
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-------
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--revs-only::
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Do not output flags and parameters not meant for
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`git-rev-list` command.
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--no-revs::
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Do not output flags and parameters meant for
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`git-rev-list` command.
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--flags::
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Do not output non-flag parameters.
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--no-flags::
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Do not output flag parameters.
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--default <arg>::
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If there is no parameter given by the user, use `<arg>`
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instead.
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--verify::
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The parameter given must be usable as a single, valid
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object name. Otherwise barf and abort.
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--sq::
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Usually the output is made one line per flag and
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parameter. This option makes output a single line,
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properly quoted for consumption by shell. Useful when
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you expect your parameter to contain whitespaces and
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newlines (e.g. when using pickaxe `-S` with
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`git-diff-\*`).
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--not::
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When showing object names, prefix them with '^' and
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strip '^' prefix from the object names that already have
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one.
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--symbolic::
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Usually the object names are output in SHA1 form (with
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possible '^' prefix); this option makes them output in a
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form as close to the original input as possible.
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--all::
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Show all refs found in `$GIT_DIR/refs`.
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--show-prefix::
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When the command is invoked from a directory show the
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path of the current directory relative to the top-level
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directory.
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<args>...::
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Flags and parameters to be parsed.
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SPECIFYING REVISIONS
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--------------------
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A revision parameter typically names a commit object. They use
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what is called an 'extended SHA1' syntax.
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* The full SHA1 object name (40-byte hexadecimal string), or
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a substring of such that is unique within the repository.
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E.g. dae86e1950b1277e545cee180551750029cfe735 and dae86e both
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name the same commit object if there are no other object in
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your repository whose object name starts with dae86e.
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* A symbolic ref name. E.g. 'master' typically means the commit
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object referenced by $GIT_DIR/refs/heads/master. If you
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happen to have both heads/master and tags/master, you can
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explicitly say 'heads/master' to tell GIT which one you mean.
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* A suffix '^' to a revision parameter means the first parent of
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that commit object. '^<n>' means the <n>th parent (i.e.
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'rev^'
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is equivalent to 'rev^1'). As a special rule,
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'rev^0' means the commit itself and is used when 'rev' is the
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object name of a tag object that refers to a commit object.
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* A suffix '~<n>' to a revision parameter means the commit
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object that is the <n>th generation grand-parent of the named
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commit object, following only the first parent. I.e. rev~3 is
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equivalent to rev^^^ which is equivalent to rev^1^1^1.
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'git-rev-parse' also accepts a prefix '^' to revision parameter,
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which is passed to 'git-rev-list'. Two revision parameters
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concatenated with '..' is a short-hand for writing a range
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between them. I.e. 'r1..r2' is equivalent to saying '^r1 r2'
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Author
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------
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Written by Linus Torvalds <torvalds@osdl.org> and
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Junio C Hamano <junkio@cox.net>
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Documentation
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--------------
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Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
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GIT
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---
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Part of the link:git.html[git] suite
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