submodule-config: keep shallow recommendation around

diff --git a/submodule-config.c b/submodule-config.c
index fe8ceabf3009db672d4d2dc5121123961c298212..db1847ff6893de6329bf60729b72e8f6a33188b5 100644 (file)
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -30,7 +30,7 @@ enum lookup_type {
        lookup_path
 };
 
-static struct submodule_cache cache;
+static struct submodule_cache the_submodule_cache;
 static int is_cache_init;
 
 static int config_path_cmp(const struct submodule_entry *a,
@@ -59,6 +59,7 @@ static void free_one_config(struct submodule_entry *entry)
 {
        free((void *) entry->config->path);
        free((void *) entry->config->name);
+       free((void *) entry->config->update_strategy.command);
        free(entry->config);
 }
 
@@ -194,8 +195,11 @@ static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache,
 
        submodule->path = NULL;
        submodule->url = NULL;
+       submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED;
+       submodule->update_strategy.command = NULL;
        submodule->fetch_recurse = RECURSE_SUBMODULES_NONE;
        submodule->ignore = NULL;
+       submodule->recommend_shallow = -1;
 
        hashcpy(submodule->gitmodules_sha1, gitmodules_sha1);
 
@@ -293,7 +297,7 @@ static int parse_config(const char *var, const char *value, void *data)
        if (!strcmp(item.buf, "path")) {
                if (!value)
                        ret = config_error_nonbool(var);
-               else if (!me->overwrite && submodule->path != NULL)
+               else if (!me->overwrite && submodule->path)
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                        "path");
                else {
@@ -317,7 +321,7 @@ static int parse_config(const char *var, const char *value, void *data)
        } else if (!strcmp(item.buf, "ignore")) {
                if (!value)
                        ret = config_error_nonbool(var);
-               else if (!me->overwrite && submodule->ignore != NULL)
+               else if (!me->overwrite && submodule->ignore)
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                        "ignore");
                else if (strcmp(value, "untracked") &&
@@ -333,13 +337,31 @@ static int parse_config(const char *var, const char *value, void *data)
        } else if (!strcmp(item.buf, "url")) {
                if (!value) {
                        ret = config_error_nonbool(var);
-               } else if (!me->overwrite && submodule->url != NULL) {
+               } else if (!me->overwrite && submodule->url) {
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                        "url");
                } else {
                        free((void *) submodule->url);
                        submodule->url = xstrdup(value);
                }
+       } else if (!strcmp(item.buf, "update")) {
+               if (!value)
+                       ret = config_error_nonbool(var);
+               else if (!me->overwrite &&
+                        submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED)
+                       warn_multiple_config(me->commit_sha1, submodule->name,
+                                            "update");
+               else if (parse_submodule_update_strategy(value,
+                        &submodule->update_strategy) < 0)
+                               die(_("invalid value for %s"), var);
+       } else if (!strcmp(item.buf, "shallow")) {
+               if (!me->overwrite && submodule->recommend_shallow != -1)
+                       warn_multiple_config(me->commit_sha1, submodule->name,
+                                            "shallow");
+               else {
+                       submodule->recommend_shallow =
+                               git_config_bool(var, value);
+               }
        }
 
        strbuf_release(&name);
@@ -392,8 +414,7 @@ static const struct submodule *config_from(struct submodule_cache *cache,
                struct hashmap_iter iter;
                struct submodule_entry *entry;
 
-               hashmap_iter_init(&cache->for_name, &iter);
-               entry = hashmap_iter_next(&iter);
+               entry = hashmap_iter_first(&cache->for_name, &iter);
                if (!entry)
                        return NULL;
                return entry->config;
@@ -427,8 +448,8 @@ static const struct submodule *config_from(struct submodule_cache *cache,
        parameter.commit_sha1 = commit_sha1;
        parameter.gitmodules_sha1 = sha1;
        parameter.overwrite = 0;
-       git_config_from_buf(parse_config, rev.buf, config, config_size,
-                       &parameter);
+       git_config_from_mem(parse_config, "submodule-blob", rev.buf,
+                       config, config_size, &parameter);
        free(config);
 
        switch (lookup_type) {
@@ -458,14 +479,14 @@ static void ensure_cache_init(void)
        if (is_cache_init)
                return;
 
-       cache_init(&cache);
+       cache_init(&the_submodule_cache);
        is_cache_init = 1;
 }
 
 int parse_submodule_config_option(const char *var, const char *value)
 {
        struct parse_config_parameter parameter;
-       parameter.cache = &cache;
+       parameter.cache = &the_submodule_cache;
        parameter.commit_sha1 = NULL;
        parameter.gitmodules_sha1 = null_sha1;
        parameter.overwrite = 1;
@@ -478,18 +499,18 @@ const struct submodule *submodule_from_name(const unsigned char *commit_sha1,
                const char *name)
 {
        ensure_cache_init();
-       return config_from_name(&cache, commit_sha1, name);
+       return config_from_name(&the_submodule_cache, commit_sha1, name);
 }
 
 const struct submodule *submodule_from_path(const unsigned char *commit_sha1,
                const char *path)
 {
        ensure_cache_init();
-       return config_from_path(&cache, commit_sha1, path);
+       return config_from_path(&the_submodule_cache, commit_sha1, path);
 }
 
 void submodule_free(void)
 {
-       cache_free(&cache);
+       cache_free(&the_submodule_cache);
        is_cache_init = 0;
 }