diff options
Diffstat (limited to 'refs')
| -rw-r--r-- | refs/files-backend.c | 127 | ||||
| -rw-r--r-- | refs/refs-internal.h | 6 | ||||
| -rw-r--r-- | refs/reftable-backend.c | 11 |
3 files changed, 106 insertions, 38 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c index 6f98168a81..a098d14ea0 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -229,6 +229,38 @@ static void add_per_worktree_entries_to_dir(struct ref_dir *dir, const char *dir } } +static void loose_fill_ref_dir_regular_file(struct files_ref_store *refs, + const char *refname, + struct ref_dir *dir) +{ + struct object_id oid; + int flag; + + if (!refs_resolve_ref_unsafe(&refs->base, refname, RESOLVE_REF_READING, + &oid, &flag)) { + oidclr(&oid); + flag |= REF_ISBROKEN; + } else if (is_null_oid(&oid)) { + /* + * It is so astronomically unlikely + * that null_oid is the OID of an + * actual object that we consider its + * appearance in a loose reference + * file to be repo corruption + * (probably due to a software bug). + */ + flag |= REF_ISBROKEN; + } + + if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { + if (!refname_is_safe(refname)) + die("loose refname is dangerous: %s", refname); + oidclr(&oid); + flag |= REF_BAD_NAME | REF_ISBROKEN; + } + add_entry_to_dir(dir, create_ref_entry(refname, &oid, flag)); +} + /* * Read the loose references from the namespace dirname into dir * (without recursing). dirname must end with '/'. dir must be the @@ -257,8 +289,6 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, strbuf_add(&refname, dirname, dirnamelen); while ((de = readdir(d)) != NULL) { - struct object_id oid; - int flag; unsigned char dtype; if (de->d_name[0] == '.') @@ -274,33 +304,7 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, create_dir_entry(dir->cache, refname.buf, refname.len)); } else if (dtype == DT_REG) { - if (!refs_resolve_ref_unsafe(&refs->base, - refname.buf, - RESOLVE_REF_READING, - &oid, &flag)) { - oidclr(&oid); - flag |= REF_ISBROKEN; - } else if (is_null_oid(&oid)) { - /* - * It is so astronomically unlikely - * that null_oid is the OID of an - * actual object that we consider its - * appearance in a loose reference - * file to be repo corruption - * (probably due to a software bug). - */ - flag |= REF_ISBROKEN; - } - - if (check_refname_format(refname.buf, - REFNAME_ALLOW_ONELEVEL)) { - if (!refname_is_safe(refname.buf)) - die("loose refname is dangerous: %s", refname.buf); - oidclr(&oid); - flag |= REF_BAD_NAME | REF_ISBROKEN; - } - add_entry_to_dir(dir, - create_ref_entry(refname.buf, &oid, flag)); + loose_fill_ref_dir_regular_file(refs, refname.buf, dir); } strbuf_setlen(&refname, dirnamelen); } @@ -311,9 +315,59 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, add_per_worktree_entries_to_dir(dir, dirname); } -static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs) +/* + * Add pseudorefs to the ref dir by parsing the directory for any files + * which follow the pseudoref syntax. + */ +static void add_pseudoref_and_head_entries(struct ref_store *ref_store, + struct ref_dir *dir, + const char *dirname) +{ + struct files_ref_store *refs = + files_downcast(ref_store, REF_STORE_READ, "fill_ref_dir"); + struct strbuf path = STRBUF_INIT, refname = STRBUF_INIT; + struct dirent *de; + size_t dirnamelen; + DIR *d; + + files_ref_path(refs, &path, dirname); + + d = opendir(path.buf); + if (!d) { + strbuf_release(&path); + return; + } + + strbuf_addstr(&refname, dirname); + dirnamelen = refname.len; + + while ((de = readdir(d)) != NULL) { + unsigned char dtype; + + if (de->d_name[0] == '.') + continue; + if (ends_with(de->d_name, ".lock")) + continue; + strbuf_addstr(&refname, de->d_name); + + dtype = get_dtype(de, &path, 1); + if (dtype == DT_REG && (is_pseudoref(ref_store, de->d_name) || + is_headref(ref_store, de->d_name))) + loose_fill_ref_dir_regular_file(refs, refname.buf, dir); + + strbuf_setlen(&refname, dirnamelen); + } + strbuf_release(&refname); + strbuf_release(&path); + closedir(d); +} + +static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs, + unsigned int flags) { if (!refs->loose) { + struct ref_dir *dir; + /* * Mark the top-level directory complete because we * are about to read the only subdirectory that can @@ -324,12 +378,17 @@ static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs) /* We're going to fill the top level ourselves: */ refs->loose->root->flag &= ~REF_INCOMPLETE; + dir = get_ref_dir(refs->loose->root); + + if (flags & DO_FOR_EACH_INCLUDE_ROOT_REFS) + add_pseudoref_and_head_entries(dir->cache->ref_store, dir, + refs->loose->root->name); + /* * Add an incomplete entry for "refs/" (to be filled * lazily): */ - add_entry_to_dir(get_ref_dir(refs->loose->root), - create_dir_entry(refs->loose, "refs/", 5)); + add_entry_to_dir(dir, create_dir_entry(refs->loose, "refs/", 5)); } return refs->loose; } @@ -857,7 +916,7 @@ static struct ref_iterator *files_ref_iterator_begin( * disk, and re-reads it if not. */ - loose_iter = cache_ref_iterator_begin(get_loose_ref_cache(refs), + loose_iter = cache_ref_iterator_begin(get_loose_ref_cache(refs, flags), prefix, ref_store->repo, 1); /* @@ -1217,7 +1276,7 @@ static int files_pack_refs(struct ref_store *ref_store, packed_refs_lock(refs->packed_ref_store, LOCK_DIE_ON_ERROR, &err); - iter = cache_ref_iterator_begin(get_loose_ref_cache(refs), NULL, + iter = cache_ref_iterator_begin(get_loose_ref_cache(refs, 0), NULL, the_repository, 0); while ((ok = ref_iterator_advance(iter)) == ITER_OK) { /* diff --git a/refs/refs-internal.h b/refs/refs-internal.h index a9b6e887f8..56641aa57a 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -260,6 +260,12 @@ enum do_for_each_ref_flags { * INCLUDE_BROKEN, since they are otherwise not included at all. */ DO_FOR_EACH_OMIT_DANGLING_SYMREFS = (1 << 2), + + /* + * Include root refs i.e. HEAD and pseudorefs along with the regular + * refs. + */ + DO_FOR_EACH_INCLUDE_ROOT_REFS = (1 << 3), }; /* diff --git a/refs/reftable-backend.c b/refs/reftable-backend.c index 6c11c4a5e3..eaa82967ee 100644 --- a/refs/reftable-backend.c +++ b/refs/reftable-backend.c @@ -364,12 +364,15 @@ static int reftable_ref_iterator_advance(struct ref_iterator *ref_iterator) break; /* - * The files backend only lists references contained in - * "refs/". We emulate the same behaviour here and thus skip - * all references that don't start with this prefix. + * The files backend only lists references contained in "refs/" unless + * the root refs are to be included. We emulate the same behaviour here. */ - if (!starts_with(iter->ref.refname, "refs/")) + if (!starts_with(iter->ref.refname, "refs/") && + !(iter->flags & DO_FOR_EACH_INCLUDE_ROOT_REFS && + (is_pseudoref(&iter->refs->base, iter->ref.refname) || + is_headref(&iter->refs->base, iter->ref.refname)))) { continue; + } if (iter->prefix && strncmp(iter->prefix, iter->ref.refname, strlen(iter->prefix))) { |
