From: Thomas Koutcher <thomas.koutcher@online.fr>
Date: Tue, 1 Feb 2022 17:26:04 +0000 (+0100)
Subject: subtree: force merge commit
X-Git-Tag: v2.36.0-rc0~145^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9158a3564a970def3375a79e8f3f90927cd8e793;p=thirdparty%2Fgit.git

subtree: force merge commit

When `merge.ff` is set to `only` in .gitconfig, `git subtree pull` will
fail with error `fatal: Not possible to fast-forward, aborting.`, but
the command does want to make merges in these places. Add `--no-ff`
argument to `git merge` to enforce this behaviour.

Signed-off-by: Thomas Koutcher <thomas.koutcher@online.fr>
Reviewed-by: Johannes Altmanninger <aclopte@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index 71f1fd94bd..1af1d9653e 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -975,10 +975,10 @@ cmd_merge () {
 
 	if test -n "$arg_addmerge_message"
 	then
-		git merge -Xsubtree="$arg_prefix" \
+		git merge --no-ff -Xsubtree="$arg_prefix" \
 			--message="$arg_addmerge_message" "$rev"
 	else
-		git merge -Xsubtree="$arg_prefix" $rev
+		git merge --no-ff -Xsubtree="$arg_prefix" $rev
 	fi
 }