abda1ef590
Signed-off-by: Horst H. von Brand <vonbrand@inf.utfsm.cl> Signed-off-by: Junio C Hamano <junkio@cox.net>
117 lines
3.0 KiB
Plaintext
117 lines
3.0 KiB
Plaintext
git-diff(1)
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===========
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NAME
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----
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git-diff - Show changes between commits, commit and working tree, etc
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SYNOPSIS
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--------
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'git-diff' [ --diff-options ] <ent>{0,2} [<path>...]
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DESCRIPTION
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-----------
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Show changes between two ents, an ent and the working tree, an
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ent and the index file, or the index file and the working tree.
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The combination of what is compared with what is determined by
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the number of ents given to the command.
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* When no <ent> is given, the working tree and the index
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file is compared, using `git-diff-files`.
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* When one <ent> is given, the working tree and the named
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tree is compared, using `git-diff-index`. The option
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`--cached` can be given to compare the index file and
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the named tree.
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* When two <ent>s are given, these two trees are compared
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using `git-diff-tree`.
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OPTIONS
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-------
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--diff-options::
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'--diff-options' are passed to the `git-diff-files`,
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`git-diff-index`, and `git-diff-tree` commands. See the
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documentation for these commands for description.
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<path>...::
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The <path> arguments are also passed to `git-diff-\*`
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commands.
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EXAMPLES
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--------
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Various ways to check your working tree::
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+
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------------
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$ git diff <1>
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$ git diff --cached <2>
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$ git diff HEAD <3>
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------------
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+
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<1> changes in the working tree since your last git-update-index.
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<2> changes between the index and your last commit; what you
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would be committing if you run "git commit" without "-a" option.
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<3> changes in the working tree since your last commit; what you
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would be committing if you run "git commit -a"
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Comparing with arbitrary commits::
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+
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------------
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$ git diff test <1>
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$ git diff HEAD -- ./test <2>
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$ git diff HEAD^ HEAD <3>
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------------
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+
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<1> instead of using the tip of the current branch, compare with the
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tip of "test" branch.
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<2> instead of comparing with the tip of "test" branch, compare with
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the tip of the current branch, but limit the comparison to the
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file "test".
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<3> compare the version before the last commit and the last commit.
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Limiting the diff output::
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+
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------------
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$ git diff --diff-filter=MRC <1>
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$ git diff --name-status -r <2>
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$ git diff arch/i386 include/asm-i386 <3>
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------------
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+
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<1> show only modification, rename and copy, but not addition
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nor deletion.
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<2> show only names and the nature of change, but not actual
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diff output. --name-status disables usual patch generation
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which in turn also disables recursive behavior, so without -r
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you would only see the directory name if there is a change in a
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file in a subdirectory.
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<3> limit diff output to named subtrees.
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Munging the diff output::
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+
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------------
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$ git diff --find-copies-harder -B -C <1>
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$ git diff -R <2>
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------------
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+
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<1> spend extra cycles to find renames, copies and complete
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rewrites (very expensive).
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<2> output diff in reverse.
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Author
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------
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Written by Linus Torvalds <torvalds@osdl.org>
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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 gitlink:git[7] suite
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