sha1_file: drop free_pack_by_name

diff --git a/submodule-config.c b/submodule-config.c
index debab294d421675cdebb129b257808614f607a09..077db4054f7b38b31d9c6f11e2b589e9111d4a8c 100644 (file)
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -199,6 +199,7 @@ static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache,
        submodule->update_strategy.command = NULL;
        submodule->fetch_recurse = RECURSE_SUBMODULES_NONE;
        submodule->ignore = NULL;
+       submodule->recommend_shallow = -1;
 
        hashcpy(submodule->gitmodules_sha1, gitmodules_sha1);
 
@@ -353,6 +354,14 @@ static int parse_config(const char *var, const char *value, void *data)
                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);
@@ -368,7 +377,7 @@ static int gitmodule_sha1_from_commit(const unsigned char *commit_sha1,
        int ret = 0;
 
        if (is_null_sha1(commit_sha1)) {
-               hashcpy(gitmodules_sha1, null_sha1);
+               hashclr(gitmodules_sha1);
                return 1;
        }