static int verbosity;
static int allow_rerere_auto;
static int abort_current_merge;
+ static int allow_unrelated_histories;
static int show_progress = -1;
static int default_to_upstream = 1;
static const char *sign_commit;
OPT__VERBOSITY(&verbosity),
OPT_BOOL(0, "abort", &abort_current_merge,
N_("abort the current in-progress merge")),
+ OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories,
+ N_("allow merging unrelated histories")),
OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1),
{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"),
N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
else
head_commit = lookup_commit_or_die(head_sha1, "HEAD");
+ init_diff_ui_defaults();
git_config(git_merge_config, NULL);
if (branch_mergeoptions)
builtin_merge_options);
if (!head_commit) {
- struct commit *remote_head;
/*
* If the merged head is a valid one there is no reason
* to forbid "git merge" into a branch yet to be born.
* We do the same for "git pull".
*/
+ unsigned char *remote_head_sha1;
if (squash)
die(_("Squash commit into empty head not supported yet"));
if (fast_forward == FF_NO)
"an empty head"));
remoteheads = collect_parents(head_commit, &head_subsumed,
argc, argv, NULL);
- remote_head = remoteheads->item;
- if (!remote_head)
+ if (!remoteheads)
die(_("%s - not something we can merge"), argv[0]);
if (remoteheads->next)
die(_("Can merge only exactly one commit into empty head"));
- read_empty(remote_head->object.oid.hash, 0);
- update_ref("initial pull", "HEAD", remote_head->object.oid.hash,
+ remote_head_sha1 = remoteheads->item->object.oid.hash;
+ read_empty(remote_head_sha1, 0);
+ update_ref("initial pull", "HEAD", remote_head_sha1,
NULL, 0, UPDATE_REFS_DIE_ON_ERR);
goto done;
}
update_ref("updating ORIG_HEAD", "ORIG_HEAD", head_commit->object.oid.hash,
NULL, 0, UPDATE_REFS_DIE_ON_ERR);
- if (remoteheads && !common)
- ; /* No common ancestors found. We need a real merge. */
- else if (!remoteheads ||
+ if (remoteheads && !common) {
+ /* No common ancestors found. */
+ if (!allow_unrelated_histories)
+ die(_("refusing to merge unrelated histories"));
+ /* otherwise, we need a real merge. */
+ } else if (!remoteheads ||
(!remoteheads->next && !common->next &&
common->item == remoteheads->item)) {
/*
add () {
name=$1 &&
text="$@" &&
- branch=`echo $name | sed -e 's/^\(.\).*$/\1/'` &&
+ branch=$(echo $name | sed -e 's/^\(.\).*$/\1/') &&
parents="" &&
shift &&
case "$heads" in *B*)
echo $BTIP > .git/refs/heads/B;;
esac &&
- git symbolic-ref HEAD refs/heads/`echo $heads \
- | sed -e "s/^\(.\).*$/\1/"` &&
+ git symbolic-ref HEAD refs/heads/$(echo $heads \
+ | sed -e "s/^\(.\).*$/\1/") &&
git fsck --full &&
mv .git/objects/pack/pack-* . &&
- p=`ls -1 pack-*.pack` &&
+ p=$(ls -1 pack-*.pack) &&
git unpack-objects <$p &&
git fsck --full &&
- idx=`echo pack-*.idx` &&
- pack_count=`git show-index <$idx | wc -l` &&
+ idx=$(echo pack-*.idx) &&
+ pack_count=$(git show-index <$idx | wc -l) &&
test $pack_count = $count &&
rm -f pack-*
)
test_expect_success 'clone shallow depth 1' '
git clone --no-single-branch --depth 1 "file://$(pwd)/." shallow0 &&
- test "`git --git-dir=shallow0/.git rev-list --count HEAD`" = 1
+ test "$(git --git-dir=shallow0/.git rev-list --count HEAD)" = 1
'
test_expect_success 'clone shallow depth 1 with fsck' '
git config --global fetch.fsckobjects true &&
git clone --no-single-branch --depth 1 "file://$(pwd)/." shallow0fsck &&
- test "`git --git-dir=shallow0fsck/.git rev-list --count HEAD`" = 1 &&
+ test "$(git --git-dir=shallow0fsck/.git rev-list --count HEAD)" = 1 &&
git config --global --unset fetch.fsckobjects
'
'
test_expect_success 'clone shallow depth count' '
- test "`git --git-dir=shallow/.git rev-list --count HEAD`" = 2
+ test "$(git --git-dir=shallow/.git rev-list --count HEAD)" = 2
'
test_expect_success 'clone shallow object count' '
test_expect_success 'pull in shallow repo with missing merge base' '
(
cd shallow &&
- test_must_fail git pull --depth 4 .. A
+ git fetch --depth 4 .. A
+ test_must_fail git merge --allow-unrelated-histories FETCH_HEAD
)
'
'
test_expect_success 'clone shallow depth count' '
- test "`git --git-dir=shallow/.git rev-list --count HEAD`" = 11
+ test "$(git --git-dir=shallow/.git rev-list --count HEAD)" = 11
'
test_expect_success 'clone shallow object count' '
(
cd shallow &&
+ git prune &&
git count-objects -v
) > count.shallow &&
- grep "^count: 55" count.shallow
+ grep "^count: 54" count.shallow
'
test_expect_success 'fetch --no-shallow on full repo' '
git fsck
)
'
+
+test_expect_success 'fetch-pack can fetch a raw sha1' '
+ git init hidden &&
+ (
+ cd hidden &&
+ test_commit 1 &&
+ test_commit 2 &&
+ git update-ref refs/hidden/one HEAD^ &&
+ git config transfer.hiderefs refs/hidden &&
+ git config uploadpack.allowtipsha1inwant true
+ ) &&
+ git fetch-pack hidden $(git -C hidden rev-parse refs/hidden/one)
+'
+
check_prot_path () {
cat >expected <<-EOF &&
Diag: url=$1
test_done
}
-WORKDIR=$(pwd)
-SERVERDIR=$(pwd)/gitcvs.git
+WORKDIR=$PWD
+SERVERDIR=$PWD/gitcvs.git
git_config="$SERVERDIR/config"
CVSROOT=":fork:$SERVERDIR"
-CVSWORK="$(pwd)/cvswork"
+CVSWORK="$PWD/cvswork"
CVS_SERVER=git-cvsserver
export CVSROOT CVS_SERVER
touch secondrootfile &&
git add secondrootfile &&
git commit -m "second root") &&
- git pull secondroot master &&
+ git fetch secondroot master &&
+ git merge --allow-unrelated-histories FETCH_HEAD &&
git clone -q --bare "$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" &&