#include "cache.h"
#include "repository.h"
+#include "config.h"
+#include "submodule-config.h"
/* The main repository */
-static struct repository the_repo;
+static struct repository the_repo = {
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &the_index, &hash_algos[GIT_HASH_SHA1], 0, 0
+};
struct repository *the_repository = &the_repo;
static char *git_path_from_env(const char *envvar, const char *git_dir,
repo->different_commondir = find_common_dir(&sb, repo->gitdir,
!repo->ignore_env);
+ free(repo->commondir);
repo->commondir = strbuf_detach(&sb, NULL);
+ free(repo->objectdir);
repo->objectdir = git_path_from_env(DB_ENVIRONMENT, repo->commondir,
"objects", !repo->ignore_env);
+ free(repo->graft_file);
repo->graft_file = git_path_from_env(GRAFT_ENVIRONMENT, repo->commondir,
"info/grafts", !repo->ignore_env);
+ free(repo->index_file);
repo->index_file = git_path_from_env(INDEX_ENVIRONMENT, repo->gitdir,
"index", !repo->ignore_env);
}
void repo_set_gitdir(struct repository *repo, const char *path)
{
const char *gitfile = read_gitfile(path);
+ char *old_gitdir = repo->gitdir;
- /*
- * NEEDSWORK: Eventually we want to be able to free gitdir and the rest
- * of the environment before reinitializing it again, but we have some
- * crazy code paths where we try to set gitdir with the current gitdir
- * and we don't want to free gitdir before copying the passed in value.
- */
repo->gitdir = xstrdup(gitfile ? gitfile : path);
-
repo_setup_env(repo);
+
+ free(old_gitdir);
+}
+
+void repo_set_hash_algo(struct repository *repo, int hash_algo)
+{
+ repo->hash_algo = &hash_algos[hash_algo];
}
/*
if (read_and_verify_repository_format(&format, repo->commondir))
goto error;
+ repo_set_hash_algo(repo, format.hash_algo);
+
if (worktree)
repo_set_worktree(repo, worktree);
return -1;
}
+/*
+ * Initialize 'submodule' as the submodule given by 'path' in parent repository
+ * 'superproject'.
+ * Return 0 upon success and a non-zero value upon failure.
+ */
+int repo_submodule_init(struct repository *submodule,
+ struct repository *superproject,
+ const char *path)
+{
+ const struct submodule *sub;
+ struct strbuf gitdir = STRBUF_INIT;
+ struct strbuf worktree = STRBUF_INIT;
+ int ret = 0;
+
+ sub = submodule_from_cache(superproject, &null_oid, path);
+ if (!sub) {
+ ret = -1;
+ goto out;
+ }
+
+ strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", path);
+ strbuf_repo_worktree_path(&worktree, superproject, "%s", path);
+
+ if (repo_init(submodule, gitdir.buf, worktree.buf)) {
+ /*
+ * If initilization fails then it may be due to the submodule
+ * not being populated in the superproject's worktree. Instead
+ * we can try to initilize the submodule by finding it's gitdir
+ * in the superproject's 'modules' directory. In this case the
+ * submodule would not have a worktree.
+ */
+ strbuf_reset(&gitdir);
+ strbuf_repo_git_path(&gitdir, superproject,
+ "modules/%s", sub->name);
+
+ if (repo_init(submodule, gitdir.buf, NULL)) {
+ ret = -1;
+ goto out;
+ }
+ }
+
+ submodule->submodule_prefix = xstrfmt("%s%s/",
+ superproject->submodule_prefix ?
+ superproject->submodule_prefix :
+ "", path);
+
+out:
+ strbuf_release(&gitdir);
+ strbuf_release(&worktree);
+ return ret;
+}
+
void repo_clear(struct repository *repo)
{
- free(repo->gitdir);
- repo->gitdir = NULL;
- free(repo->commondir);
- repo->commondir = NULL;
- free(repo->objectdir);
- repo->objectdir = NULL;
- free(repo->graft_file);
- repo->graft_file = NULL;
- free(repo->index_file);
- repo->index_file = NULL;
- free(repo->worktree);
- repo->worktree = NULL;
+ FREE_AND_NULL(repo->gitdir);
+ FREE_AND_NULL(repo->commondir);
+ FREE_AND_NULL(repo->objectdir);
+ FREE_AND_NULL(repo->graft_file);
+ FREE_AND_NULL(repo->index_file);
+ FREE_AND_NULL(repo->worktree);
+ FREE_AND_NULL(repo->submodule_prefix);
+
+ if (repo->config) {
+ git_configset_clear(repo->config);
+ FREE_AND_NULL(repo->config);
+ }
+
+ if (repo->submodule_cache) {
+ submodule_cache_free(repo->submodule_cache);
+ repo->submodule_cache = NULL;
+ }
+
+ if (repo->index) {
+ discard_index(repo->index);
+ FREE_AND_NULL(repo->index);
+ }
+}
+
+int repo_read_index(struct repository *repo)
+{
+ if (!repo->index)
+ repo->index = xcalloc(1, sizeof(*repo->index));
+
+ return read_index_from(repo->index, repo->index_file, repo->gitdir);
}