While one can add tree objects to the index, this is not currently
useful. Therefore, use "git ls-tree -r" as the example to be fed to
--index-info. Add a section explaining about expected index contents.
(Thanks to Junio for explaining this to me in August of 2011.)
Signed-off-by: Greg Troxel <redacted>
---
Documentation/git-update-index.txt | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt
index 9d0b151..6ce65fa 100644
--- a/Documentation/git-update-index.txt
+++ b/Documentation/git-update-index.txt
@@ -29,6 +29,11 @@ Modifies the index or directory cache. Each file mentioned is updated
into the index and any 'unmerged' or 'needs updating' state is
cleared.
+Note that update-index does not check that the modifications preserve
+the expected invariants. In particular, an index normally holds
+regular blobs, executable blobs, symlink blobs, and gitlinks.
+Therefore, adding a tree object is not likely useful.
+
See also linkgit:git-add[1] for a more user-friendly way to do some of
the most common operations on the index.
@@ -210,7 +215,7 @@ back on 3-way merge.
. mode SP type SP sha1 TAB path
+
-The second format is to stuff 'git ls-tree' output
+The second format is to stuff 'git ls-tree -r' output
into the index file.
. mode SP sha1 SP stage TAB path--
1.8.0.1