builtin/merge.c: fix a bug with trivial merges

diff --git a/t/t9400-git-cvsserver-server.sh b/t/t9400-git-cvsserver-server.sh
index 1f06e25db6451150ff0a066e0d342414301433a3..432c61d246c938192a2b31f2db35f4f9b320a788 100755 (executable)
--- a/t/t9400-git-cvsserver-server.sh
+++ b/t/t9400-git-cvsserver-server.sh
@@ -25,12 +25,11 @@ perl -e 'use DBI; use DBD::SQLite' >/dev/null 2>&1 || {
     test_done
 }
 
-unset GIT_DIR GIT_CONFIG
-WORKDIR=$(pwd)
-SERVERDIR=$(pwd)/gitcvs.git
+WORKDIR=$PWD
+SERVERDIR=$PWD/gitcvs.git
 git_config="$SERVERDIR/config"
 CVSROOT=":fork:$SERVERDIR"
-CVSWORK="$(pwd)/cvswork"
+CVSWORK="$PWD/cvswork"
 CVS_SERVER=git-cvsserver
 export CVSROOT CVS_SERVER
 
@@ -46,7 +45,8 @@ test_expect_success 'setup' '
   touch secondrootfile &&
   git add secondrootfile &&
   git commit -m "second root") &&
-  git pull secondroot master &&
+  git fetch secondroot master &&
+  git merge --allow-unrelated-histories FETCH_HEAD &&
   git clone -q --bare "$WORKDIR/.git" "$SERVERDIR" >/dev/null 2>&1 &&
   GIT_DIR="$SERVERDIR" git config --bool gitcvs.enabled true &&
   GIT_DIR="$SERVERDIR" git config gitcvs.logfile "$SERVERDIR/gitcvs.log" &&