[PATCH 41/41] merge-one-file: compute empty blob object ID

["brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx>]

This script hard-codes the object ID of the empty tree.  To avoid any
problems when changing hashes, compute this value by calling git
hash-object.
---
 git-merge-one-file.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/git-merge-one-file.sh b/git-merge-one-file.sh
index 9879c59395..f6d9852d2f 100755
--- a/git-merge-one-file.sh
+++ b/git-merge-one-file.sh
@@ -120,7 +120,7 @@ case "${1:-.}${2:-.}${3:-.}" in
 	case "$1" in
 	'')
 		echo "Added $4 in both, but differently."
-		orig=$(git unpack-file e69de29bb2d1d6434b8b29ae775ad8c2e48c5391)
+		orig=$(git unpack-file $(git hash-object /dev/null))
 		;;
 	*)
 		echo "Auto-merging $4"