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-rwxr-xr-xcontrib/subtree/git-subtree.sh1
-rwxr-xr-xcontrib/subtree/t/t7900-subtree.sh16
2 files changed, 17 insertions, 0 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index 7a39b30ad0..b567eaeff9 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -662,6 +662,7 @@ cmd_split()
debug "Merging split branch into HEAD..."
latest_old=$(cache_get latest_old)
git merge -s ours \
+ --allow-unrelated-histories \
-m "$(rejoin_msg "$dir" $latest_old $latest_new)" \
$latest_new >&2 || exit $?
fi
diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh
index 7e8be5adff..9751cfe9e6 100755
--- a/contrib/subtree/t/t7900-subtree.sh
+++ b/contrib/subtree/t/t7900-subtree.sh
@@ -347,6 +347,22 @@ test_expect_success 'split sub dir/ with --rejoin' '
'
next_test
+test_expect_success 'split sub dir/ with --rejoin from scratch' '
+ subtree_test_create_repo "$subtree_test_count" &&
+ test_create_commit "$subtree_test_count" main1 &&
+ (
+ cd "$subtree_test_count" &&
+ mkdir "sub dir" &&
+ echo file >"sub dir"/file &&
+ git add "sub dir/file" &&
+ git commit -m"sub dir file" &&
+ split_hash=$(git subtree split --prefix="sub dir" --rejoin) &&
+ git subtree split --prefix="sub dir" --rejoin &&
+ check_equal "$(last_commit_message)" "Split '\''sub dir/'\'' into commit '\''$split_hash'\''"
+ )
+ '
+
+next_test
test_expect_success 'split sub dir/ with --rejoin and --message' '
subtree_test_create_repo "$subtree_test_count" &&
subtree_test_create_repo "$subtree_test_count/sub proj" &&