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| -rw-r--r-- | Documentation/git-diff.txt | 43 |
1 files changed, 36 insertions, 7 deletions
diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt index b36e705dd0..68e65324f8 100644 --- a/Documentation/git-diff.txt +++ b/Documentation/git-diff.txt @@ -22,10 +22,10 @@ tree and the index file, or the index file and the working tree. words, the differences are what you _could_ tell git to further add to the index but you still haven't. You can stage these changes by using gitlink:git-add[1]. - - If exactly two paths are given, and at least one is untracked, - compare the two files / directories. This behavior can be - forced by --no-index. ++ +If exactly two paths are given, and at least one is untracked, +compare the two files / directories. This behavior can be +forced by --no-index. 'git-diff' [--options] --cached [<commit>] [--] [<path>...]:: @@ -44,8 +44,22 @@ tree and the index file, or the index file and the working tree. 'git-diff' [--options] <commit> <commit> [--] [<path>...]:: - This form is to view the changes between two <commit>, - for example, tips of two branches. + This is to view the changes between two arbitrary + <commit>. + +'git-diff' [--options] <commit>..<commit> [--] [<path>...]:: + + This is synonymous to the previous form. If <commit> on + one side is omitted, it will have the same effect as + using HEAD instead. + +'git-diff' [--options] <commit>...<commit> [--] [<path>...]:: + + This form is to view the changes on the branch containing + and up to the second <commit>, starting at a common ancestor + of both <commit>. "git-diff A...B" is equivalent to + "git-diff $(git-merge-base A B) B". You can omit any one + of <commit>, which has the same effect as using HEAD instead. Just in case if you are doing something exotic, it should be noted that all of the <commit> in the above description can be @@ -53,7 +67,10 @@ any <tree-ish>. For a more complete list of ways to spell <commit>, see "SPECIFYING REVISIONS" section in gitlink:git-rev-parse[1]. - +However, "diff" is about comparing two _endpoints_, not ranges, +and the range notations ("<commit>..<commit>" and +"<commit>...<commit>") do not mean a range as defined in the +"SPECIFYING RANGES" section in gitlink:git-rev-parse[1]. OPTIONS ------- @@ -97,6 +114,18 @@ the tip of the current branch, but limit the comparison to the file "test". <3> Compare the version before the last commit and the last commit. +Comparing branches:: ++ +------------ +$ git diff topic master <1> +$ git diff topic..master <2> +$ git diff topic...master <3> +------------ ++ +<1> Changes between the tips of the topic and the master branches. +<2> Same as above. +<3> Changes that occured on the master branch since when the topic +branch was started off it. Limiting the diff output:: + |