X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=Documentation%2Fgit-diff-index.txt;h=26920d4f63cd213ff17ab28d8dd0dbea94482147;hb=bed625540a0e1a4ba4da9962ed53c1d83d9bf509;hp=784bbf3b0db68238dc316f5f2ebd0fe3dcd63b3e;hpb=bb1ab2db08f48add4236a5a9c08aa1a6aa4d5d48;p=git.git diff --git a/Documentation/git-diff-index.txt b/Documentation/git-diff-index.txt index 784bbf3b0..26920d4f6 100644 --- a/Documentation/git-diff-index.txt +++ b/Documentation/git-diff-index.txt @@ -31,7 +31,7 @@ include::diff-options.txt[] -m:: By default, files recorded in the index but not checked out are reported as deleted. This flag makes - `git-diff-index` say that all non-checked-out files are up + 'git-diff-index' say that all non-checked-out files are up to date. Output format @@ -50,7 +50,7 @@ Cached Mode If '--cached' is specified, it allows you to ask: show me the differences between HEAD and the current index - contents (the ones I'd write using `git-write-tree`) + contents (the ones I'd write using 'git-write-tree') For example, let's say that you have worked on your working directory, updated some files in the index and are ready to commit. You want to see exactly @@ -62,7 +62,7 @@ object and compare it that way, and to do that, you just do Example: let's say I had renamed `commit.c` to `git-commit.c`, and I had done an `update-index` to make that effective in the index file. `git diff-files` wouldn't show anything at all, since the index file -matches my working directory. But doing a `git-diff-index` does: +matches my working directory. But doing a 'git-diff-index' does: torvalds@ppc970:~/git> git diff-index --cached HEAD -100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 commit.c @@ -71,10 +71,10 @@ matches my working directory. But doing a `git-diff-index` does: You can see easily that the above is a rename. In fact, `git diff-index --cached` *should* always be entirely equivalent to -actually doing a `git-write-tree` and comparing that. Except this one is much +actually doing a 'git-write-tree' and comparing that. Except this one is much nicer for the case where you just want to check where you are. -So doing a `git-diff-index --cached` is basically very useful when you are +So doing a 'git-diff-index --cached' is basically very useful when you are asking yourself "what have I already marked for being committed, and what's the difference to a previous tree". @@ -82,20 +82,20 @@ Non-cached Mode --------------- The "non-cached" mode takes a different approach, and is potentially the more useful of the two in that what it does can't be emulated with -a `git-write-tree` + `git-diff-tree`. Thus that's the default mode. +a 'git-write-tree' + 'git-diff-tree'. Thus that's the default mode. The non-cached version asks the question: show me the differences between HEAD and the currently checked out tree - index contents _and_ files that aren't up-to-date which is obviously a very useful question too, since that tells you what -you *could* commit. Again, the output matches the `git-diff-tree -r` +you *could* commit. Again, the output matches the 'git-diff-tree -r' output to a tee, but with a twist. The twist is that if some file doesn't match the index, we don't have a backing store thing for it, and we use the magic "all-zero" sha1 to show that. So let's say that you have edited `kernel/sched.c`, but -have not actually done a `git-update-index` on it yet - there is no +have not actually done a 'git-update-index' on it yet - there is no "object" associated with the new state, and you get: torvalds@ppc970:~/v2.6/linux> git diff-index HEAD @@ -106,11 +106,11 @@ not up-to-date and may contain new stuff. The all-zero sha1 means that to get the real diff, you need to look at the object in the working directory directly rather than do an object-to-object diff. -NOTE: As with other commands of this type, `git-diff-index` does not +NOTE: As with other commands of this type, 'git-diff-index' does not actually look at the contents of the file at all. So maybe `kernel/sched.c` hasn't actually changed, and it's just that you touched it. In either case, it's a note that you need to -`git-update-index` it to make the index be in sync. +'git-update-index' it to make the index be in sync. NOTE: You can have a mixture of files show up as "has been updated" and "is still dirty in the working directory" together. You can always