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-rwxr-xr-xgit-merge.sh28
1 files changed, 17 insertions, 11 deletions
diff --git a/git-merge.sh b/git-merge.sh
index 3465041..3457a96 100755
--- a/git-merge.sh
+++ b/git-merge.sh
@@ -38,10 +38,20 @@ restorestate() {
fi
}
-summary() {
+finish () {
+ test '' = "$2" || echo "$2"
+ case "$merge_msg" in
+ '')
+ echo "No merge message -- not updating HEAD"
+ ;;
+ *)
+ git-update-ref HEAD "$1" "$head" || exit 1
+ ;;
+ esac
+
case "$no_summary" in
'')
- git-diff-tree -p -M $head "$1" |
+ git-diff-tree -p -M "$head" "$1" |
git-apply --stat --summary
;;
esac
@@ -108,7 +118,7 @@ case "$#,$common" in
1,"$1")
# If head can reach all the merge then we are up to date.
# but first the most common case of merging one remote
- echo "Already up-to-date. Yeeah!"
+ echo "Already up-to-date."
dropsave
exit 0
;;
@@ -116,10 +126,9 @@ case "$#,$common" in
# Again the most common case of merging one remote.
echo "Updating from $head to $1."
git-update-index --refresh 2>/dev/null
- git-read-tree -u -m $head "$1" &&
new_head=$(git-rev-parse --verify "$1^0") &&
- git-update-ref HEAD "$new_head" "$head" || exit 1
- summary "$1"
+ git-read-tree -u -m $head "$new_head" &&
+ finish "$new_head" "Fast forward"
dropsave
exit 0
;;
@@ -140,8 +149,7 @@ case "$#,$common" in
echo "$merge_msg" |
git-commit-tree $result_tree -p HEAD -p "$1"
) || exit
- git-update-ref HEAD $result_commit $head
- summary $result_commit
+ finish "$result_commit" "In-index merge"
dropsave
exit 0
fi
@@ -237,9 +245,7 @@ then
parents="$parents -p $remote"
done
result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree $parents) || exit
- echo "Committed merge $result_commit, made by $wt_strategy."
- git-update-ref HEAD $result_commit $head
- summary $result_commit
+ finish "$result_commit" "Merge $result_commit, made by $wt_strategy."
dropsave
exit 0
fi