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Anonymous committed da2987d Merge

Merge branch 'ph/rebase-preserve-all-merges' into maint

"git rebase --preserve-merges" lost empty merges in recent versions
of Git.

* ph/rebase-preserve-all-merges:
rebase --preserve-merges: keep all merge commits including empty ones

Comments (0)

Files changed (1)

git-rebase--interactive.sh

 	test "$tree" = "$ptree"
 }
 
+is_merge_commit()
+{
+	git rev-parse --verify --quiet "$1"^2 >/dev/null 2>&1
+}
+
 # Run command with GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
 # GIT_AUTHOR_DATE exported from the current environment.
 do_with_author () {
 while read -r shortsha1 rest
 do
 
-	if test -z "$keep_empty" && is_empty_commit $shortsha1
+	if test -z "$keep_empty" && is_empty_commit $shortsha1 && ! is_merge_commit $shortsha1
 	then
 		comment_out="# "
 	else