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refs: push the submodule attribute down 

Push the submodule attribute down from ref_store to files_ref_store.
This is another step towards loosening the 1:1 connection between
ref_stores and submodules.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2017-02-10 12:16:16 +01:00 коммит произвёл Junio C Hamano
Родитель 7d4558c462
Коммит 32c597e7b2
3 изменённых файлов: 44 добавлений и 43 удалений
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11
refs.c
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@ -1481,17 +1481,6 @@ void base_ref_store_init(struct ref_store *refs,
const char *submodule)
{
refs->be = be;
if (!submodule)
refs->submodule = "";
else
refs->submodule = xstrdup(submodule);
}
void assert_main_repository(struct ref_store *refs, const char *caller)
{
if (*refs->submodule)
die("BUG: %s called for a submodule", caller);
}
/* backend functions */

63
refs/files-backend.c
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@ -912,6 +912,14 @@ struct packed_ref_cache {
*/
struct files_ref_store {
struct ref_store base;
/*
* The name of the submodule represented by this object, or
* the empty string if it represents the main repository's
* reference store:
*/
const char *submodule;
struct ref_entry *loose;
struct packed_ref_cache *packed;
};
@ -974,9 +982,22 @@ static struct ref_store *files_ref_store_create(const char *submodule)
base_ref_store_init(ref_store, &refs_be_files, submodule);
refs->submodule = submodule ? xstrdup(submodule) : "";
return ref_store;
}
/*
* Die if refs is for a submodule (i.e., not for the main repository).
* caller is used in any necessary error messages.
*/
static void files_assert_main_repository(struct files_ref_store *refs,
const char *caller)
{
if (*refs->submodule)
die("BUG: %s called for a submodule", caller);
}
/*
* Downcast ref_store to files_ref_store. Die if ref_store is not a
* files_ref_store. If submodule_allowed is not true, then also die if
@ -987,14 +1008,18 @@ static struct files_ref_store *files_downcast(
struct ref_store *ref_store, int submodule_allowed,
const char *caller)
{
struct files_ref_store *refs;
if (ref_store->be != &refs_be_files)
die("BUG: ref_store is type \"%s\" not \"files\" in %s",
ref_store->be->name, caller);
if (!submodule_allowed)
assert_main_repository(ref_store, caller);
refs = (struct files_ref_store *)ref_store;
return (struct files_ref_store *)ref_store;
if (!submodule_allowed)
files_assert_main_repository(refs, caller);
return refs;
}
/* The length of a peeled reference line in packed-refs, including EOL: */
@ -1133,8 +1158,8 @@ static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *ref
{
char *packed_refs_file;
if (*refs->base.submodule)
packed_refs_file = git_pathdup_submodule(refs->base.submodule,
if (*refs->submodule)
packed_refs_file = git_pathdup_submodule(refs->submodule,
"packed-refs");
else
packed_refs_file = git_pathdup("packed-refs");
@ -1203,8 +1228,8 @@ static void read_loose_refs(const char *dirname, struct ref_dir *dir)
size_t path_baselen;
int err = 0;
if (*refs->base.submodule)
err = strbuf_git_path_submodule(&path, refs->base.submodule, "%s", dirname);
if (*refs->submodule)
err = strbuf_git_path_submodule(&path, refs->submodule, "%s", dirname);
else
strbuf_git_path(&path, "%s", dirname);
path_baselen = path.len;
@ -1244,10 +1269,10 @@ static void read_loose_refs(const char *dirname, struct ref_dir *dir)
} else {
int read_ok;
if (*refs->base.submodule) {
if (*refs->submodule) {
hashclr(sha1);
flag = 0;
read_ok = !resolve_gitlink_ref(refs->base.submodule,
read_ok = !resolve_gitlink_ref(refs->submodule,
refname.buf, sha1);
} else {
read_ok = !read_ref_full(refname.buf,
@ -1358,8 +1383,8 @@ static int files_read_raw_ref(struct ref_store *ref_store,
*type = 0;
strbuf_reset(&sb_path);
if (*refs->base.submodule)
strbuf_git_path_submodule(&sb_path, refs->base.submodule, "%s", refname);
if (*refs->submodule)
strbuf_git_path_submodule(&sb_path, refs->submodule, "%s", refname);
else
strbuf_git_path(&sb_path, "%s", refname);
@ -1540,7 +1565,7 @@ static int lock_raw_ref(struct files_ref_store *refs,
int ret = TRANSACTION_GENERIC_ERROR;
assert(err);
assert_main_repository(&refs->base, "lock_raw_ref");
files_assert_main_repository(refs, "lock_raw_ref");
*type = 0;
@ -2006,7 +2031,7 @@ static struct ref_lock *lock_ref_sha1_basic(struct files_ref_store *refs,
int attempts_remaining = 3;
int resolved;
assert_main_repository(&refs->base, "lock_ref_sha1_basic");
files_assert_main_repository(refs, "lock_ref_sha1_basic");
assert(err);
lock = xcalloc(1, sizeof(struct ref_lock));
@ -2152,7 +2177,7 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
static int timeout_value = 1000;
struct packed_ref_cache *packed_ref_cache;
assert_main_repository(&refs->base, "lock_packed_refs");
files_assert_main_repository(refs, "lock_packed_refs");
if (!timeout_configured) {
git_config_get_int("core.packedrefstimeout", &timeout_value);
@ -2190,7 +2215,7 @@ static int commit_packed_refs(struct files_ref_store *refs)
int save_errno = 0;
FILE *out;
assert_main_repository(&refs->base, "commit_packed_refs");
files_assert_main_repository(refs, "commit_packed_refs");
if (!packed_ref_cache->lock)
die("internal error: packed-refs not locked");
@ -2223,7 +2248,7 @@ static void rollback_packed_refs(struct files_ref_store *refs)
struct packed_ref_cache *packed_ref_cache =
get_packed_ref_cache(refs);
assert_main_repository(&refs->base, "rollback_packed_refs");
files_assert_main_repository(refs, "rollback_packed_refs");
if (!packed_ref_cache->lock)
die("internal error: packed-refs not locked");
@ -2397,7 +2422,7 @@ static int repack_without_refs(struct files_ref_store *refs,
struct string_list_item *refname;
int ret, needs_repacking = 0, removed = 0;
assert_main_repository(&refs->base, "repack_without_refs");
files_assert_main_repository(refs, "repack_without_refs");
assert(err);
/* Look for a packed ref */
@ -2930,7 +2955,7 @@ static int commit_ref_update(struct files_ref_store *refs,
const unsigned char *sha1, const char *logmsg,
struct strbuf *err)
{
assert_main_repository(&refs->base, "commit_ref_update");
files_assert_main_repository(refs, "commit_ref_update");
clear_loose_ref_cache(refs);
if (log_ref_write(lock->ref_name, lock->old_oid.hash, sha1, logmsg, 0, err)) {
@ -3560,7 +3585,7 @@ static int lock_ref_for_update(struct files_ref_store *refs,
int ret;
struct ref_lock *lock;
assert_main_repository(&refs->base, "lock_ref_for_update");
files_assert_main_repository(refs, "lock_ref_for_update");
if ((update->flags & REF_HAVE_NEW) && is_null_sha1(update->new_sha1))
update->flags |= REF_DELETING;

13
refs/refs-internal.h
Просмотреть файл

@ -629,13 +629,6 @@ extern struct ref_storage_be refs_be_files;
struct ref_store {
/* The backend describing this ref_store's storage scheme: */
const struct ref_storage_be *be;
/*
* The name of the submodule represented by this object, or
* the empty string if it represents the main repository's
* reference store:
*/
const char *submodule;
};
/*
@ -658,10 +651,4 @@ void base_ref_store_init(struct ref_store *refs,
*/
struct ref_store *get_ref_store(const char *submodule);
/*
* Die if refs is for a submodule (i.e., not for the main repository).
* caller is used in any necessary error messages.
*/
void assert_main_repository(struct ref_store *refs, const char *caller);
#endif /* REFS_REFS_INTERNAL_H */