>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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