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-rw-r--r--Documentation/git-index-pack.txt12
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt
index d5b7560bfe..ac74d058e0 100644
--- a/Documentation/git-index-pack.txt
+++ b/Documentation/git-index-pack.txt
@@ -93,11 +93,19 @@ OPTIONS
--max-input-size=<size>::
Die, if the pack is larger than <size>.
+--object-format=<hash-algorithm>::
+ Specify the given object format (hash algorithm) for the pack. The valid
+ values are 'sha1' and (if enabled) 'sha256'. The default is the algorithm for
+ the current repository (set by `extensions.objectFormat`), or 'sha1' if no
+ value is set or outside a repository.
++
+This option cannot be used with --stdin.
+
NOTES
-----
-Once the index has been created, the list of object names is sorted
-and the SHA-1 hash of that list is printed to stdout. If --stdin was
+Once the index has been created, the hash that goes into the name of
+the pack/idx file is printed to stdout. If --stdin was
also used then this is prefixed by either "pack\t", or "keep\t" if a
new .keep file was successfully created. This is useful to remove a
.keep file used as a lock to prevent the race with 'git repack'