Add a new print_config_from_gitmodules() helper function to print values
from .gitmodules just like "git config -f .gitmodules" would.
This will be used by a new submodule--helper subcommand to be able to
access the .gitmodules file in a more controlled way.
Signed-off-by: Antonio Ospite <a...@ao2.it>
---
submodule-config.c | 25 +++++++++++++++++++++++++
submodule-config.h | 1 +
2 files changed, 26 insertions(+)
diff --git a/submodule-config.c b/submodule-config.c
index e04ba756d9..823bc76812 100644
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -682,6 +682,31 @@ 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;
+}
+
struct fetch_config {
int *max_children;
int *recurse_submodules;
diff --git a/submodule-config.h b/submodule-config.h
index dc7278eea4..031747ccf8 100644
--- a/submodule-config.h
+++ b/submodule-config.h
@@ -48,6 +48,7 @@ const struct submodule *submodule_from_path(struct repository
*r,
const struct object_id
*commit_or_tree,
const char *path);
void submodule_free(struct repository *r);
+int print_config_from_gitmodules(struct repository *repo, const char *key);
/*
* Returns 0 if the name is syntactically acceptable as a submodule "name"
--
2.19.0
