submodule-config: keep configured branch around

The branch field will be used in a later patch by `submodule update`.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/submodule-config.c b/submodule-config.c
index 077db4054f7b38b31d9c6f11e2b589e9111d4a8c..ebee1e4795738578662ddfa17fe3d0a0afb19542 100644 (file)
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -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->branch);
        free((void *) entry->config->update_strategy.command);
        free(entry->config);
 }
@@ -199,6 +200,7 @@ 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->branch = NULL;
        submodule->recommend_shallow = -1;
 
        hashcpy(submodule->gitmodules_sha1, gitmodules_sha1);
@@ -358,9 +360,16 @@ static int parse_config(const char *var, const char *value, void *data)
                if (!me->overwrite && submodule->recommend_shallow != -1)
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                             "shallow");
-               else {
+               else
                        submodule->recommend_shallow =
                                git_config_bool(var, value);
+       } else if (!strcmp(item.buf, "branch")) {
+               if (!me->overwrite && submodule->branch)
+                       warn_multiple_config(me->commit_sha1, submodule->name,
+                                            "branch");
+               else {
+                       free((void *)submodule->branch);
+                       submodule->branch = xstrdup(value);
                }
        }
 

diff --git a/submodule-config.h b/submodule-config.h
index b1fdcc0c33326f556d23ce65ad21b01514fcb927..d05c542d2cdace181ea72055c0f71db6b1afda42 100644 (file)
--- a/submodule-config.h
+++ b/submodule-config.h
@@ -15,6 +15,7 @@ struct submodule {
        const char *url;
        int fetch_recurse;
        const char *ignore;
+       const char *branch;
        struct submodule_update_strategy update_strategy;
        /* the sha1 blob id of the responsible .gitmodules file */
        unsigned char gitmodules_sha1[20];