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116 lines
3.0 KiB
116 lines
3.0 KiB
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 ] <tree-ish>{0,2} [<path>...] |
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DESCRIPTION |
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----------- |
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Show changes between two trees, a tree and the working tree, a |
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tree 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 trees given to the command. |
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* When no <tree-ish> is given, the working tree and the index |
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file are compared, using `git-diff-files`. |
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* When one <tree-ish> is given, the working tree and the named |
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tree are 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 <tree-ish>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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$ 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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<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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$ 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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$ git diff --find-copies-harder -B -C <1> |
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$ git diff -R <2> |
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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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