git-instaweb: add Python builtin http.server support

diff --git a/submodule-config.c b/submodule-config.c
index 0b2f1647abb935ba63e9230baf0ba7fcef95d19c..52702c62d9e3a205c14bdd9f468509f98fe4ced1 100644 (file)
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "dir.h"
 #include "repository.h"
 #include "config.h"
 #include "submodule-config.h"
@@ -45,7 +46,7 @@ static int config_path_cmp(const void *unused_cmp_data,
        const struct submodule_entry *b = entry_or_key;
 
        return strcmp(a->config->path, b->config->path) ||
-              oidcmp(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
+              !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
 }
 
 static int config_name_cmp(const void *unused_cmp_data,
@@ -57,7 +58,7 @@ static int config_name_cmp(const void *unused_cmp_data,
        const struct submodule_entry *b = entry_or_key;
 
        return strcmp(a->config->name, b->config->name) ||
-              oidcmp(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
+              !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
 }
 
 static struct submodule_cache *submodule_cache_alloc(void)
@@ -613,8 +614,34 @@ static void submodule_cache_check_init(struct repository *repo)
 static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void *data)
 {
        if (repo->worktree) {
-               char *file = repo_worktree_path(repo, GITMODULES_FILE);
-               git_config_from_file(fn, file, data);
+               struct git_config_source config_source = { 0 };
+               const struct config_options opts = { 0 };
+               struct object_id oid;
+               char *file;
+
+               file = repo_worktree_path(repo, GITMODULES_FILE);
+               if (file_exists(file)) {
+                       config_source.file = file;
+               } else if (repo->submodule_prefix) {
+                       /*
+                        * When get_oid and config_with_options, used below,
+                        * become able to work on a specific repository, this
+                        * warning branch can be removed.
+                        */
+                       warning("nested submodules without %s in the working tree are not supported yet",
+                               GITMODULES_FILE);
+                       goto out;
+               } else if (get_oid(GITMODULES_INDEX, &oid) >= 0) {
+                       config_source.blob = GITMODULES_INDEX;
+               } else if (get_oid(GITMODULES_HEAD, &oid) >= 0) {
+                       config_source.blob = GITMODULES_HEAD;
+               } else {
+                       goto out;
+               }
+
+               config_with_options(fn, data, &config_source, &opts);
+
+out:
                free(file);
        }
 }
@@ -692,6 +719,43 @@ void submodule_free(struct repository *r)
                submodule_cache_clear(r->submodule_cache);
 }
 
+static int config_print_callback(const char *var, const char *value, void *cb_data)
+{
+       char *wanted_key = cb_data;
+
+       if (!strcmp(wanted_key, var))
+               printf("%s\n", value);
+
+       return 0;
+}
+
+int print_config_from_gitmodules(struct repository *repo, const char *key)
+{
+       int ret;
+       char *store_key;
+
+       ret = git_config_parse_key(key, &store_key, NULL);
+       if (ret < 0)
+               return CONFIG_INVALID_KEY;
+
+       config_from_gitmodules(config_print_callback, repo, store_key);
+
+       free(store_key);
+       return 0;
+}
+
+int config_set_in_gitmodules_file_gently(const char *key, const char *value)
+{
+       int ret;
+
+       ret = git_config_set_in_file_gently(GITMODULES_FILE, key, value);
+       if (ret < 0)
+               /* Maybe the user already did that, don't error out here */
+               warning(_("Could not update .gitmodules entry %s"), key);
+
+       return ret;
+}
+
 struct fetch_config {
        int *max_children;
        int *recurse_submodules;