submodule--helper: don't overlay config in remote_submodule_branch

Don't rely on overlaying the repository's config on top of the submodule-config, instead query the repository's config directly for the branch field. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Brandon Williams committed Aug 3, 2017 at 11:19 UTC 177257ccc733c1a363bfbb5de630a057804cefc3
1 file changed +11 -4
builtin/submodule--helper.c
+11 -4
@@ -1066,17 +1066,24 @@ static int resolve_relative_path(int argc, const char **argv, const char *prefix
1066 static const char *remote_submodule_branch(const char *path)
1067 {
1068 const struct submodule *sub;
1069 + const char *branch = NULL;
1070 + char *key;
1071 +
1072 gitmodules_config();
1070 - git_config(submodule_config, NULL);
1073
1074 sub = submodule_from_path(&null_oid, path);
1075 if (!sub)
1076 return NULL;
1077
1076 - if (!sub->branch)
1078 + key = xstrfmt("submodule.%s.branch", sub->name);
1079 + if (repo_config_get_string_const(the_repository, key, &branch))
1080 + branch = sub->branch;
1081 + free(key);
1082 +
1083 + if (!branch)
1084 return "master";
1085
1079 - if (!strcmp(sub->branch, ".")) {
1086 + if (!strcmp(branch, ".")) {
1087 unsigned char sha1[20];
1088 const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
1089
@@ -1094,7 +1101,7 @@ static const char *remote_submodule_branch(const char *path)
1101 return refname;
1102 }
1103
1097 - return sub->branch;
1104 + return branch;
1105 }
1106
1107 static int resolve_remote_submodule_branch(int argc, const char **argv,