diff options
Diffstat (limited to 'refs')
| -rw-r--r-- | refs/debug.c | 20 | ||||
| -rw-r--r-- | refs/files-backend.c | 87 | ||||
| -rw-r--r-- | refs/packed-backend.c | 52 | ||||
| -rw-r--r-- | refs/refs-internal.h | 8 |
4 files changed, 37 insertions, 130 deletions
diff --git a/refs/debug.c b/refs/debug.c index b7ffc4ce67..634681ca44 100644 --- a/refs/debug.c +++ b/refs/debug.c @@ -33,10 +33,10 @@ struct ref_store *maybe_debug_wrap_ref_store(const char *gitdir, struct ref_stor return (struct ref_store *)res; } -static int debug_init_db(struct ref_store *refs, struct strbuf *err) +static int debug_init_db(struct ref_store *refs, int flags, struct strbuf *err) { struct debug_ref_store *drefs = (struct debug_ref_store *)refs; - int res = drefs->refs->be->init_db(drefs->refs, err); + int res = drefs->refs->be->init_db(drefs->refs, flags, err); trace_printf_key(&trace_refs, "init_db: %d\n", res); return res; } @@ -143,20 +143,6 @@ static int debug_create_symref(struct ref_store *ref_store, return res; } -static int debug_delete_refs(struct ref_store *ref_store, const char *msg, - struct string_list *refnames, unsigned int flags) -{ - struct debug_ref_store *drefs = (struct debug_ref_store *)ref_store; - int res = - drefs->refs->be->delete_refs(drefs->refs, msg, refnames, flags); - int i; - trace_printf_key(&trace_refs, "delete_refs {\n"); - for (i = 0; i < refnames->nr; i++) - trace_printf_key(&trace_refs, "%s\n", refnames->items[i].string); - trace_printf_key(&trace_refs, "}: %d\n", res); - return res; -} - static int debug_rename_ref(struct ref_store *ref_store, const char *oldref, const char *newref, const char *logmsg) { @@ -440,7 +426,6 @@ static int debug_reflog_expire(struct ref_store *ref_store, const char *refname, } struct ref_storage_be refs_be_debug = { - .next = NULL, .name = "debug", .init = NULL, .init_db = debug_init_db, @@ -458,7 +443,6 @@ struct ref_storage_be refs_be_debug = { .pack_refs = debug_pack_refs, .create_symref = debug_create_symref, - .delete_refs = debug_delete_refs, .rename_ref = debug_rename_ref, .copy_ref = debug_copy_ref, diff --git a/refs/files-backend.c b/refs/files-backend.c index 922e65e0d9..75dcc21ecb 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -1263,54 +1263,6 @@ static int files_pack_refs(struct ref_store *ref_store, return 0; } -static int files_delete_refs(struct ref_store *ref_store, const char *msg, - struct string_list *refnames, unsigned int flags) -{ - struct files_ref_store *refs = - files_downcast(ref_store, REF_STORE_WRITE, "delete_refs"); - struct strbuf err = STRBUF_INIT; - int i, result = 0; - - if (!refnames->nr) - return 0; - - if (packed_refs_lock(refs->packed_ref_store, 0, &err)) - goto error; - - if (refs_delete_refs(refs->packed_ref_store, msg, refnames, flags)) { - packed_refs_unlock(refs->packed_ref_store); - goto error; - } - - packed_refs_unlock(refs->packed_ref_store); - - for (i = 0; i < refnames->nr; i++) { - const char *refname = refnames->items[i].string; - - if (refs_delete_ref(&refs->base, msg, refname, NULL, flags)) - result |= error(_("could not remove reference %s"), refname); - } - - strbuf_release(&err); - return result; - -error: - /* - * If we failed to rewrite the packed-refs file, then it is - * unsafe to try to remove loose refs, because doing so might - * expose an obsolete packed value for a reference that might - * even point at an object that has been garbage collected. - */ - if (refnames->nr == 1) - error(_("could not delete reference %s: %s"), - refnames->items[0].string, err.buf); - else - error(_("could not delete references: %s"), err.buf); - - strbuf_release(&err); - return -1; -} - /* * People using contrib's git-new-workdir have .git/logs/refs -> * /some/other/path/.git/logs/refs, and that may live on another device. @@ -3266,28 +3218,52 @@ static int files_reflog_expire(struct ref_store *ref_store, return -1; } -static int files_init_db(struct ref_store *ref_store, struct strbuf *err UNUSED) +static int files_init_db(struct ref_store *ref_store, + int flags, + struct strbuf *err UNUSED) { struct files_ref_store *refs = files_downcast(ref_store, REF_STORE_WRITE, "init_db"); struct strbuf sb = STRBUF_INIT; /* - * Create .git/refs/{heads,tags} + * We need to create a "refs" dir in any case so that older versions of + * Git can tell that this is a repository. This serves two main purposes: + * + * - Clients will know to stop walking the parent-directory chain when + * detecting the Git repository. Otherwise they may end up detecting + * a Git repository in a parent directory instead. + * + * - Instead of failing to detect a repository with unknown reference + * format altogether, old clients will print an error saying that + * they do not understand the reference format extension. */ - files_ref_path(refs, &sb, "refs/heads"); + strbuf_addf(&sb, "%s/refs", ref_store->gitdir); safe_create_dir(sb.buf, 1); + adjust_shared_perm(sb.buf); - strbuf_reset(&sb); - files_ref_path(refs, &sb, "refs/tags"); - safe_create_dir(sb.buf, 1); + /* + * There is no need to create directories for common refs when creating + * a worktree ref store. + */ + if (!(flags & REFS_INIT_DB_IS_WORKTREE)) { + /* + * Create .git/refs/{heads,tags} + */ + strbuf_reset(&sb); + files_ref_path(refs, &sb, "refs/heads"); + safe_create_dir(sb.buf, 1); + + strbuf_reset(&sb); + files_ref_path(refs, &sb, "refs/tags"); + safe_create_dir(sb.buf, 1); + } strbuf_release(&sb); return 0; } struct ref_storage_be refs_be_files = { - .next = NULL, .name = "files", .init = files_ref_store_create, .init_db = files_init_db, @@ -3298,7 +3274,6 @@ struct ref_storage_be refs_be_files = { .pack_refs = files_pack_refs, .create_symref = files_create_symref, - .delete_refs = files_delete_refs, .rename_ref = files_rename_ref, .copy_ref = files_copy_ref, diff --git a/refs/packed-backend.c b/refs/packed-backend.c index 5963e67c14..a499a91c7e 100644 --- a/refs/packed-backend.c +++ b/refs/packed-backend.c @@ -1245,6 +1245,7 @@ static const char PACKED_REFS_HEADER[] = "# pack-refs with: peeled fully-peeled sorted \n"; static int packed_init_db(struct ref_store *ref_store UNUSED, + int flags UNUSED, struct strbuf *err UNUSED) { /* Nothing to do. */ @@ -1687,55 +1688,6 @@ static int packed_initial_transaction_commit(struct ref_store *ref_store UNUSED, return ref_transaction_commit(transaction, err); } -static int packed_delete_refs(struct ref_store *ref_store, const char *msg, - struct string_list *refnames, unsigned int flags) -{ - struct packed_ref_store *refs = - packed_downcast(ref_store, REF_STORE_WRITE, "delete_refs"); - struct strbuf err = STRBUF_INIT; - struct ref_transaction *transaction; - struct string_list_item *item; - int ret; - - (void)refs; /* We need the check above, but don't use the variable */ - - if (!refnames->nr) - return 0; - - /* - * Since we don't check the references' old_oids, the - * individual updates can't fail, so we can pack all of the - * updates into a single transaction. - */ - - transaction = ref_store_transaction_begin(ref_store, &err); - if (!transaction) - return -1; - - for_each_string_list_item(item, refnames) { - if (ref_transaction_delete(transaction, item->string, NULL, - flags, msg, &err)) { - warning(_("could not delete reference %s: %s"), - item->string, err.buf); - strbuf_reset(&err); - } - } - - ret = ref_transaction_commit(transaction, &err); - - if (ret) { - if (refnames->nr == 1) - error(_("could not delete reference %s: %s"), - refnames->items[0].string, err.buf); - else - error(_("could not delete references: %s"), err.buf); - } - - ref_transaction_free(transaction); - strbuf_release(&err); - return ret; -} - static int packed_pack_refs(struct ref_store *ref_store UNUSED, struct pack_refs_opts *pack_opts UNUSED) { @@ -1753,7 +1705,6 @@ static struct ref_iterator *packed_reflog_iterator_begin(struct ref_store *ref_s } struct ref_storage_be refs_be_packed = { - .next = NULL, .name = "packed", .init = packed_ref_store_create, .init_db = packed_init_db, @@ -1764,7 +1715,6 @@ struct ref_storage_be refs_be_packed = { .pack_refs = packed_pack_refs, .create_symref = NULL, - .delete_refs = packed_delete_refs, .rename_ref = NULL, .copy_ref = NULL, diff --git a/refs/refs-internal.h b/refs/refs-internal.h index 9db8aec4da..82219829b0 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -529,7 +529,9 @@ typedef struct ref_store *ref_store_init_fn(struct repository *repo, const char *gitdir, unsigned int flags); -typedef int ref_init_db_fn(struct ref_store *refs, struct strbuf *err); +typedef int ref_init_db_fn(struct ref_store *refs, + int flags, + struct strbuf *err); typedef int ref_transaction_prepare_fn(struct ref_store *refs, struct ref_transaction *transaction, @@ -553,8 +555,6 @@ typedef int create_symref_fn(struct ref_store *ref_store, const char *ref_target, const char *refs_heads_master, const char *logmsg); -typedef int delete_refs_fn(struct ref_store *ref_store, const char *msg, - struct string_list *refnames, unsigned int flags); typedef int rename_ref_fn(struct ref_store *ref_store, const char *oldref, const char *newref, const char *logmsg); @@ -665,7 +665,6 @@ typedef int read_symbolic_ref_fn(struct ref_store *ref_store, const char *refnam struct strbuf *referent); struct ref_storage_be { - struct ref_storage_be *next; const char *name; ref_store_init_fn *init; ref_init_db_fn *init_db; @@ -677,7 +676,6 @@ struct ref_storage_be { pack_refs_fn *pack_refs; create_symref_fn *create_symref; - delete_refs_fn *delete_refs; rename_ref_fn *rename_ref; copy_ref_fn *copy_ref; |
