diff options
Diffstat (limited to 'repository.c')
-rw-r--r-- | repository.c | 165 |
1 files changed, 101 insertions, 64 deletions
diff --git a/repository.c b/repository.c index 4ffbe9bc94..a4174ddb06 100644 --- a/repository.c +++ b/repository.c @@ -1,67 +1,89 @@ +/* + * not really _using_ the compat macros, just make sure the_index + * declaration matches the definition in this file. + */ +#define USE_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "repository.h" +#include "object-store.h" #include "config.h" +#include "object.h" +#include "lockfile.h" #include "submodule-config.h" /* The main repository */ -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 struct repository the_repo; +struct repository *the_repository; +struct index_state the_index; -static char *git_path_from_env(const char *envvar, const char *git_dir, - const char *path, int fromenv) +void initialize_the_repository(void) { - if (fromenv) { - const char *value = getenv(envvar); - if (value) - return xstrdup(value); - } + the_repository = &the_repo; - return xstrfmt("%s/%s", git_dir, path); + the_repo.index = &the_index; + the_repo.objects = raw_object_store_new(); + the_repo.parsed_objects = parsed_object_pool_new(); + + repo_set_hash_algo(&the_repo, GIT_HASH_SHA1); } -static int find_common_dir(struct strbuf *sb, const char *gitdir, int fromenv) +static void expand_base_dir(char **out, const char *in, + const char *base_dir, const char *def_in) { - if (fromenv) { - const char *value = getenv(GIT_COMMON_DIR_ENVIRONMENT); - if (value) { - strbuf_addstr(sb, value); - return 1; - } - } - - return get_common_dir_noenv(sb, gitdir); + free(*out); + if (in) + *out = xstrdup(in); + else + *out = xstrfmt("%s/%s", base_dir, def_in); } -static void repo_setup_env(struct repository *repo) +static void repo_set_commondir(struct repository *repo, + const char *commondir) { struct strbuf sb = STRBUF_INIT; - repo->different_commondir = find_common_dir(&sb, repo->gitdir, - !repo->ignore_env); free(repo->commondir); + + if (commondir) { + repo->different_commondir = 1; + repo->commondir = xstrdup(commondir); + return; + } + + repo->different_commondir = get_common_dir_noenv(&sb, repo->gitdir); 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) +void repo_set_gitdir(struct repository *repo, + const char *root, + const struct set_gitdir_args *o) { - const char *gitfile = read_gitfile(path); + const char *gitfile = read_gitfile(root); + /* + * repo->gitdir is saved because the caller could pass "root" + * that also points to repo->gitdir. We want to keep it alive + * until after xstrdup(root). Then we can free it. + */ char *old_gitdir = repo->gitdir; - repo->gitdir = xstrdup(gitfile ? gitfile : path); - repo_setup_env(repo); - + repo->gitdir = xstrdup(gitfile ? gitfile : root); free(old_gitdir); + + repo_set_commondir(repo, o->commondir); + + if (!repo->objects->odb) { + repo->objects->odb = xcalloc(1, sizeof(*repo->objects->odb)); + repo->objects->odb_tail = &repo->objects->odb->next; + } + expand_base_dir(&repo->objects->odb->path, o->object_dir, + repo->commondir, "objects"); + + free(repo->objects->alternate_db); + repo->objects->alternate_db = xstrdup_or_null(o->alternate_db); + expand_base_dir(&repo->graft_file, o->graft_file, + repo->commondir, "info/grafts"); + expand_base_dir(&repo->index_file, o->index_file, + repo->gitdir, "index"); } void repo_set_hash_algo(struct repository *repo, int hash_algo) @@ -79,6 +101,7 @@ static int repo_init_gitdir(struct repository *repo, const char *gitdir) int error = 0; char *abspath = NULL; const char *resolved_gitdir; + struct set_gitdir_args args = { NULL }; abspath = real_pathdup(gitdir, 0); if (!abspath) { @@ -93,7 +116,7 @@ static int repo_init_gitdir(struct repository *repo, const char *gitdir) goto out; } - repo_set_gitdir(repo, resolved_gitdir); + repo_set_gitdir(repo, resolved_gitdir, &args); out: free(abspath); @@ -103,6 +126,8 @@ out: void repo_set_worktree(struct repository *repo, const char *path) { repo->worktree = real_pathdup(path, 1); + + trace2_def_repo(repo); } static int read_and_verify_repository_format(struct repository_format *format, @@ -128,12 +153,15 @@ static int read_and_verify_repository_format(struct repository_format *format, * Initialize 'repo' based on the provided 'gitdir'. * Return 0 upon success and a non-zero value upon failure. */ -int repo_init(struct repository *repo, const char *gitdir, const char *worktree) +int repo_init(struct repository *repo, + const char *gitdir, + const char *worktree) { - struct repository_format format; + struct repository_format format = REPOSITORY_FORMAT_INIT; memset(repo, 0, sizeof(*repo)); - repo->ignore_env = 1; + repo->objects = raw_object_store_new(); + repo->parsed_objects = parsed_object_pool_new(); if (repo_init_gitdir(repo, gitdir)) goto error; @@ -146,6 +174,7 @@ int repo_init(struct repository *repo, const char *gitdir, const char *worktree) if (worktree) repo_set_worktree(repo, worktree); + clear_repository_format(&format); return 0; error: @@ -153,34 +182,27 @@ error: 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, +int repo_submodule_init(struct repository *subrepo, struct repository *superproject, - const char *path) + const struct submodule *sub) { - 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); + strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", sub->path); + strbuf_repo_worktree_path(&worktree, superproject, "%s", sub->path); - if (repo_init(submodule, gitdir.buf, worktree.buf)) { + if (repo_init(subrepo, gitdir.buf, worktree.buf)) { /* - * If initilization fails then it may be due to the submodule + * If initialization 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 + * we can try to initialize the submodule by finding it's gitdir * in the superproject's 'modules' directory. In this case the * submodule would not have a worktree. */ @@ -188,16 +210,16 @@ int repo_submodule_init(struct repository *submodule, strbuf_repo_git_path(&gitdir, superproject, "modules/%s", sub->name); - if (repo_init(submodule, gitdir.buf, NULL)) { + if (repo_init(subrepo, gitdir.buf, NULL)) { ret = -1; goto out; } } - submodule->submodule_prefix = xstrfmt("%s%s/", - superproject->submodule_prefix ? - superproject->submodule_prefix : - "", path); + subrepo->submodule_prefix = xstrfmt("%s%s/", + superproject->submodule_prefix ? + superproject->submodule_prefix : + "", sub->path); out: strbuf_release(&gitdir); @@ -209,12 +231,17 @@ void repo_clear(struct repository *repo) { 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); + raw_object_store_clear(repo->objects); + FREE_AND_NULL(repo->objects); + + parsed_object_pool_clear(repo->parsed_objects); + FREE_AND_NULL(repo->parsed_objects); + if (repo->config) { git_configset_clear(repo->config); FREE_AND_NULL(repo->config); @@ -227,7 +254,8 @@ void repo_clear(struct repository *repo) if (repo->index) { discard_index(repo->index); - FREE_AND_NULL(repo->index); + if (repo->index != &the_index) + FREE_AND_NULL(repo->index); } } @@ -238,3 +266,12 @@ int repo_read_index(struct repository *repo) return read_index_from(repo->index, repo->index_file, repo->gitdir); } + +int repo_hold_locked_index(struct repository *repo, + struct lock_file *lf, + int flags) +{ + if (!repo->index_file) + BUG("the repo hasn't been setup"); + return hold_lock_file_for_update(lf, repo->index_file, flags); +} |