transport-helper: add support to delete branches

For remote-helpers that use 'export' to push. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Felipe Contreras committed Apr 20, 2014 at 13:59 UTC f3d0376356756c55a85a3d745858a42c26956e74
2 files changed +21 -11
t/t5801-remote-helpers.sh
+8
@@ -102,6 +102,14 @@ test_expect_success 'push new branch with HEAD:new refspec' '
102 compare_refs local HEAD server refs/heads/new-refspec-2
103 '
104
105 +test_expect_success 'push delete branch' '
106 + (cd local &&
107 + git push origin :new-name
108 + ) &&
109 + test_must_fail git --git-dir="server/.git" \
110 + rev-parse --verify refs/heads/new-name
111 +'
112 +
113 test_expect_success 'forced push' '
114 (cd local &&
115 git checkout -b force-test &&
transport-helper.c
+13 -11
@@ -882,9 +882,6 @@ static int push_refs_with_export(struct transport *transport,
882 char *private;
883 unsigned char sha1[20];
884
885 - if (ref->deletion)
886 - die("remote-helpers do not support ref deletion");
887 -
885 private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name);
886 if (private && !get_sha1(private, sha1)) {
887 strbuf_addf(&buf, "^%s", private);
@@ -896,21 +893,26 @@ static int push_refs_with_export(struct transport *transport,
893 if (ref->peer_ref) {
894 if (strcmp(ref->name, ref->peer_ref->name)) {
895 struct strbuf buf = STRBUF_INIT;
899 - const char *name;
900 - int flag;
896
902 - /* Follow symbolic refs (mainly for HEAD). */
903 - name = resolve_ref_unsafe(ref->peer_ref->name, sha1, 1, &flag);
904 - if (!name || !(flag & REF_ISSYMREF))
905 - name = ref->peer_ref->name;
897 + if (!ref->deletion) {
898 + const char *name;
899 + int flag;
900 +
901 + /* Follow symbolic refs (mainly for HEAD). */
902 + name = resolve_ref_unsafe(ref->peer_ref->name, sha1, 1, &flag);
903 + if (!name || !(flag & REF_ISSYMREF))
904 + name = ref->peer_ref->name;
905
907 - strbuf_addf(&buf, "%s:%s", name, ref->name);
906 + strbuf_addf(&buf, "%s:%s", name, ref->name);
907 + } else
908 + strbuf_addf(&buf, ":%s", ref->name);
909
910 string_list_append(&revlist_args, "--refspec");
911 string_list_append(&revlist_args, buf.buf);
912 strbuf_release(&buf);
913 }
913 - string_list_append(&revlist_args, ref->peer_ref->name);
914 + if (!ref->deletion)
915 + string_list_append(&revlist_args, ref->peer_ref->name);
916 }
917 }
918