Re: Restore a single file in the index back to HEAD

>> >Which leads us to the always interesting, fun and exciting:
>> >
>> >    git ls-tree -r HEAD | git update-index --index-info
>> >
>> >which will undo everything except 'git add' from the index, as
>> >ls-tree -r is listing everything in the last commit.
>> >
>>
>> ... and also shows The Power of the Pipe, which Daniel@google was
>> missing in recent versions of git. ;-)
>>
>> Btw, this is most definitely not a documented thing and requires a bit
>> of core git knowledge, so perhaps the "shell-scripts were good for
>> hackers to learn what to pipe where" really *is* a very important point.
>
> Agreed.

Still, it is very impressive, it is supported (and will be supported, I assume),
and as such - worth mentioning at least in these examples everyone keeps
dreaming about. Until that happened, why not mention that the output
of "git ls-tree" is compatible with --index-info of "update-index"?

diff --git a/Documentation/git-ls-tree.txt b/Documentation/git-ls-tree.txt
index f283bac..0ab9913 100644
--- a/Documentation/git-ls-tree.txt
+++ b/Documentation/git-ls-tree.txt
@@ -64,6 +64,8 @@ Output Format

 When the `-z` option is not used, TAB, LF, and backslash characters
 in pathnames are represented as `\t`, `\n`, and `\\`, respectively.
+This output format is compatible with what "--index-info --stdin" of
+git-update-index expects.


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