diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt
index c2908db763..64f7ad26b4 100644
--- a/Documentation/gitremote-helpers.txt
+++ b/Documentation/gitremote-helpers.txt
@@ -437,6 +437,10 @@ set by Git if the remote helper has the 'option' capability.
'option check-connectivity' \{'true'|'false'\}::
Request the helper to check connectivity of a clone.
+'option force' \{'true'|'false'\}::
+ Request the helper to perform a force update. Defaults to
+ 'false'.
+
'option cloning \{'true'|'false'\}::
Notify the helper this is a clone request (i.e. the current
repository is guaranteed empty).
diff --git a/contrib/remote-helpers/git-remote-bzr b/contrib/remote-helpers/git-remote-bzr
index 332aba784b..5f4b2e3e16 100755
--- a/contrib/remote-helpers/git-remote-bzr
+++ b/contrib/remote-helpers/git-remote-bzr
@@ -684,7 +684,8 @@ def do_export(parser):
peer = bzrlib.branch.Branch.open(peers[name],
possible_transports=transports)
try:
- peer.bzrdir.push_branch(branch, revision_id=revid)
+ peer.bzrdir.push_branch(branch, revision_id=revid,
+ overwrite=force)
except bzrlib.errors.DivergedBranches:
print "error %s non-fast forward" % ref
continue
@@ -718,8 +719,32 @@ def do_capabilities(parser):
print "*import-marks %s" % path
print "*export-marks %s" % path
+ print "option"
print
+class InvalidOptionValue(Exception):
+ pass
+
+def get_bool_option(val):
+ if val == 'true':
+ return True
+ elif val == 'false':
+ return False
+ else:
+ raise InvalidOptionValue()
+
+def do_option(parser):
+ global force
+ opt, val = parser[1:3]
+ try:
+ if opt == 'force':
+ force = get_bool_option(val)
+ print 'ok'
+ else:
+ print 'unsupported'
+ except InvalidOptionValue:
+ print "error '%s' is not a valid value for option '%s'" % (val, opt)
+
def ref_is_valid(name):
return not True in [c in name for c in '~^: \\']
@@ -882,6 +907,7 @@ def main(args):
global is_tmp
global branches, peers
global transports
+ global force
marks = None
is_tmp = False
@@ -904,6 +930,7 @@ def main(args):
branches = {}
peers = {}
transports = []
+ force = False
if alias[5:] == url:
is_tmp = True
@@ -936,6 +963,8 @@ def main(args):
do_import(parser)
elif parser.check('export'):
do_export(parser)
+ elif parser.check('option'):
+ do_option(parser)
else:
die('unhandled command: %s' % line)
sys.stdout.flush()
diff --git a/contrib/remote-helpers/test-bzr.sh b/contrib/remote-helpers/test-bzr.sh
index 1e53ff9a58..4f379c2ab4 100755
--- a/contrib/remote-helpers/test-bzr.sh
+++ b/contrib/remote-helpers/test-bzr.sh
@@ -66,13 +66,33 @@ test_expect_success 'pushing' '
test_cmp expected actual
'
+test_expect_success 'forced pushing' '
+ (
+ cd gitrepo &&
+ echo three-new >content &&
+ git commit -a --amend -m three-new &&
+ git push -f
+ ) &&
+
+ (
+ cd bzrrepo &&
+ # the forced update overwrites the bzr branch but not the bzr
+ # working directory (it tries to merge instead)
+ bzr revert
+ ) &&
+
+ echo three-new >expected &&
+ cat bzrrepo/content >actual &&
+ test_cmp expected actual
+'
+
test_expect_success 'roundtrip' '
(
cd gitrepo &&
git pull &&
git log --format="%s" -1 origin/master >actual
) &&
- echo three >expected &&
+ echo three-new >expected &&
test_cmp expected actual &&
(cd gitrepo && git push && git pull) &&
diff --git a/contrib/remote-helpers/test-hg.sh b/contrib/remote-helpers/test-hg.sh
index 5d128a5da9..a933b1e30c 100755
--- a/contrib/remote-helpers/test-hg.sh
+++ b/contrib/remote-helpers/test-hg.sh
@@ -680,7 +680,7 @@ test_expect_success 'remote big push fetch first' '
)
'
-test_expect_failure 'remote big push force' '
+test_expect_success 'remote big push force' '
test_when_finished "rm -rf hgrepo gitrepo*" &&
setup_big_push
@@ -710,7 +710,7 @@ test_expect_failure 'remote big push force' '
check_bookmark hgrepo new_bmark six
'
-test_expect_failure 'remote big push dry-run' '
+test_expect_success 'remote big push dry-run' '
test_when_finished "rm -rf hgrepo gitrepo*" &&
setup_big_push
diff --git a/git-remote-testgit.sh b/git-remote-testgit.sh
index 6d2f282d32..1c006a0518 100755
--- a/git-remote-testgit.sh
+++ b/git-remote-testgit.sh
@@ -15,6 +15,8 @@ test -z "$refspec" && prefix="refs"
export GIT_DIR="$url/.git"
+force=
+
mkdir -p "$dir"
if test -z "$GIT_REMOTE_TESTGIT_NO_MARKS"
@@ -39,6 +41,7 @@ do
fi
test -n "$GIT_REMOTE_TESTGIT_SIGNED_TAGS" && echo "signed-tags"
test -n "$GIT_REMOTE_TESTGIT_NO_PRIVATE_UPDATE" && echo "no-private-update"
+ echo 'option'
echo
;;
list)
@@ -93,6 +96,7 @@ do
before=$(git for-each-ref --format=' %(refname) %(objectname) ')
git fast-import \
+ ${force:+--force} \
${testgitmarks:+"--import-marks=$testgitmarks"} \
${testgitmarks:+"--export-marks=$testgitmarks"} \
--quiet
@@ -115,6 +119,20 @@ do
echo
;;
+ option\ *)
+ read cmd opt val <<-EOF
+ $line
+ EOF
+ case $opt in
+ force)
+ test $val = "true" && force="true" || force=
+ echo "ok"
+ ;;
+ *)
+ echo "unsupported"
+ ;;
+ esac
+ ;;
'')
exit
;;
diff --git a/t/t5801-remote-helpers.sh b/t/t5801-remote-helpers.sh
index 613f69a254..c33cc25805 100755
--- a/t/t5801-remote-helpers.sh
+++ b/t/t5801-remote-helpers.sh
@@ -94,6 +94,19 @@ test_expect_failure 'push new branch with old:new refspec' '
compare_refs local HEAD server refs/heads/new-refspec
'
+test_expect_success 'forced push' '
+ (cd local &&
+ git checkout -b force-test &&
+ echo content >> file &&
+ git commit -a -m eight &&
+ git push origin force-test &&
+ echo content >> file &&
+ git commit -a --amend -m eight-modified &&
+ git push --force origin force-test
+ ) &&
+ compare_refs local refs/heads/force-test server refs/heads/force-test
+'
+
test_expect_success 'cloning without refspec' '
GIT_REMOTE_TESTGIT_REFSPEC="" \
git clone "testgit::${PWD}/server" local2 2>error &&
diff --git a/transport-helper.c b/transport-helper.c
index ad72fbd53c..86e1679c1e 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -650,7 +650,7 @@ static int push_update_ref_status(struct strbuf *buf,
struct ref *remote_refs)
{
char *refname, *msg;
- int status;
+ int status, forced = 0;
if (starts_with(buf->buf, "ok ")) {
status = REF_STATUS_OK;
@@ -708,6 +708,11 @@ static int push_update_ref_status(struct strbuf *buf,
free(msg);
msg = NULL;
}
+ else if (!strcmp(msg, "forced update")) {
+ forced = 1;
+ free(msg);
+ msg = NULL;
+ }
}
if (*ref)
@@ -729,12 +734,14 @@ static int push_update_ref_status(struct strbuf *buf,
}
(*ref)->status = status;
+ (*ref)->forced_update |= forced;
(*ref)->remote_status = msg;
return !(status == REF_STATUS_OK);
}
static void push_update_refs_status(struct helper_data *data,
- struct ref *remote_refs)
+ struct ref *remote_refs,
+ int flags)
{
struct strbuf buf = STRBUF_INIT;
struct ref *ref = remote_refs;
@@ -748,7 +755,7 @@ static void push_update_refs_status(struct helper_data *data,
if (push_update_ref_status(&buf, &ref, remote_refs))
continue;
- if (!data->refspecs || data->no_private_update)
+ if (flags & TRANSPORT_PUSH_DRY_RUN || !data->refspecs || data->no_private_update)
continue;
/* propagate back the update to the remote namespace */
@@ -839,7 +846,7 @@ static int push_refs_with_push(struct transport *transport,
sendline(data, &buf);
strbuf_release(&buf);
- push_update_refs_status(data, remote_refs);
+ push_update_refs_status(data, remote_refs, flags);
return 0;
}
@@ -860,6 +867,11 @@ static int push_refs_with_export(struct transport *transport,
die("helper %s does not support dry-run", data->name);
}
+ if (flags & TRANSPORT_PUSH_FORCE) {
+ if (set_helper_option(transport, "force", "true") != 0)
+ warning("helper %s does not support 'force'", data->name);
+ }
+
helper = get_helper(transport);
write_constant(helper->in, "export\n");
@@ -881,9 +893,6 @@ static int push_refs_with_export(struct transport *transport,
}
free(private);
- if (ref->deletion)
- die("remote-helpers do not support ref deletion");
-
if (ref->peer_ref) {
if (strcmp(ref->peer_ref->name, ref->name))
die("remote-helpers do not support old:new syntax");
@@ -896,7 +905,7 @@ static int push_refs_with_export(struct transport *transport,
if (finish_command(&exporter))
die("Error while running fast-export");
- push_update_refs_status(data, remote_refs);
+ push_update_refs_status(data, remote_refs, flags);
return 0;
}