Merge branch 'sb/submodule-clone-retry'

diff --git a/submodule-config.c b/submodule-config.c
index db1847ff6893de6329bf60729b72e8f6a33188b5..faedb1a4899639567d8d6d6af75338c26be8f7ae 100644 (file)
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -371,21 +371,20 @@ static int parse_config(const char *var, const char *value, void *data)
 }
 
 static int gitmodule_sha1_from_commit(const unsigned char *commit_sha1,
-                                     unsigned char *gitmodules_sha1)
+                                     unsigned char *gitmodules_sha1,
+                                     struct strbuf *rev)
 {
-       struct strbuf rev = STRBUF_INIT;
        int ret = 0;
 
        if (is_null_sha1(commit_sha1)) {
-               hashcpy(gitmodules_sha1, null_sha1);
+               hashclr(gitmodules_sha1);
                return 1;
        }
 
-       strbuf_addf(&rev, "%s:.gitmodules", sha1_to_hex(commit_sha1));
-       if (get_sha1(rev.buf, gitmodules_sha1) >= 0)
+       strbuf_addf(rev, "%s:.gitmodules", sha1_to_hex(commit_sha1));
+       if (get_sha1(rev->buf, gitmodules_sha1) >= 0)
                ret = 1;
 
-       strbuf_release(&rev);
        return ret;
 }
 
@@ -399,7 +398,7 @@ static const struct submodule *config_from(struct submodule_cache *cache,
 {
        struct strbuf rev = STRBUF_INIT;
        unsigned long config_size;
-       char *config;
+       char *config = NULL;
        unsigned char sha1[20];
        enum object_type type;
        const struct submodule *submodule = NULL;
@@ -420,8 +419,8 @@ static const struct submodule *config_from(struct submodule_cache *cache,
                return entry->config;
        }
 
-       if (!gitmodule_sha1_from_commit(commit_sha1, sha1))
-               return NULL;
+       if (!gitmodule_sha1_from_commit(commit_sha1, sha1, &rev))
+               goto out;
 
        switch (lookup_type) {
        case lookup_name:
@@ -432,16 +431,11 @@ static const struct submodule *config_from(struct submodule_cache *cache,
                break;
        }
        if (submodule)
-               return submodule;
+               goto out;
 
        config = read_sha1_file(sha1, &type, &config_size);
-       if (!config)
-               return NULL;
-
-       if (type != OBJ_BLOB) {
-               free(config);
-               return NULL;
-       }
+       if (!config || type != OBJ_BLOB)
+               goto out;
 
        /* fill the submodule config into the cache */
        parameter.cache = cache;
@@ -450,6 +444,7 @@ static const struct submodule *config_from(struct submodule_cache *cache,
        parameter.overwrite = 0;
        git_config_from_mem(parse_config, "submodule-blob", rev.buf,
                        config, config_size, &parameter);
+       strbuf_release(&rev);
        free(config);
 
        switch (lookup_type) {
@@ -460,6 +455,11 @@ static const struct submodule *config_from(struct submodule_cache *cache,
        default:
                return NULL;
        }
+
+out:
+       strbuf_release(&rev);
+       free(config);
+       return submodule;
 }
 
 static const struct submodule *config_from_path(struct submodule_cache *cache,