index 2fc3eed710dbfeda8911097a8b5f493a220e5f3c..5d2096a4c67e07a697f7d57b67aa1900697b406c 100644 (file)
NAME
----
NAME
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-git-diff-index - Compares content and mode of blobs between the cache and repository
+git-diff-index - Compares content and mode of blobs between the index and repository
SYNOPSIS
SYNOPSIS
DESCRIPTION
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Compares the content and mode of the blobs found via a tree
DESCRIPTION
-----------
Compares the content and mode of the blobs found via a tree
-object with the content of the current cache and, optionally
+object with the content of the current index and, optionally
ignoring the stat state of the file on disk. When paths are
specified, compares only those named paths. Otherwise all
ignoring the stat state of the file on disk. When paths are
specified, compares only those named paths. Otherwise all
-entries in the cache are compared.
+entries in the index are compared.
OPTIONS
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OPTIONS
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If '--cached' is specified, it allows you to ask:
-----------
If '--cached' is specified, it allows you to ask:
- show me the differences between HEAD and the current cache
+ show me the differences between HEAD and the current index
contents (the ones I'd write with a "git-write-tree")
For example, let's say that you have worked on your working directory, updated
contents (the ones I'd write with a "git-write-tree")
For example, let's say that you have worked on your working directory, updated
-some files in the cache and are ready to commit. You want to see eactly
+some files in the index and are ready to commit. You want to see exactly
*what* you are going to commit is without having to write a new tree
object and compare it that way, and to do that, you just do
*what* you are going to commit is without having to write a new tree
object and compare it that way, and to do that, you just do
- git-diff-index --cached $(cat .git/HEAD)
+ git-diff-index --cached HEAD
Example: let's say I had renamed `commit.c` to `git-commit.c`, and I had
done an "git-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:
Example: let's say I had renamed `commit.c` to `git-commit.c`, and I had
done an "git-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:
- torvalds@ppc970:~/git> git-diff-index --cached $(cat .git/HEAD)
+ torvalds@ppc970:~/git> git-diff-index --cached HEAD
-100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 commit.c
+100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 git-commit.c
-100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 commit.c
+100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 git-commit.c
you *could* commit. Again, the output matches the "git-diff-tree -r"
output to a tee, but with a twist.
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 cache, we don't have
+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
"object" associated with the new state, and you get:
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
"object" associated with the new state, and you get:
- torvalds@ppc970:~/v2.6/linux> git-diff-index $(cat .git/HEAD )
+ torvalds@ppc970:~/v2.6/linux> git-diff-index HEAD
*100644->100664 blob 7476bb......->000000...... kernel/sched.c
ie it shows that the tree has changed, and that `kernel/sched.c` has is
*100644->100664 blob 7476bb......->000000...... kernel/sched.c
ie it shows that the tree has changed, and that `kernel/sched.c` has is
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
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-upate-cache" it to make the cache 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
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