From e39620f07e092f36642ab97c6ced47be5b609d58 Mon Sep 17 00:00:00 2001 From: Han-Wen Nienhuys Date: Wed, 19 Aug 2020 14:27:55 +0000 Subject: refs: split off reading loose ref data in separate function This prepares for handling FETCH_HEAD (which is not a regular ref) separately from the ref backend. Signed-off-by: Han-Wen Nienhuys Signed-off-by: Junio C Hamano --- refs/files-backend.c | 34 +++++++++++++++++++--------------- refs/refs-internal.h | 6 ++++++ 2 files changed, 25 insertions(+), 15 deletions(-) (limited to 'refs') diff --git a/refs/files-backend.c b/refs/files-backend.c index 985631f33e..3a3573986f 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -360,7 +360,6 @@ static int files_read_raw_ref(struct ref_store *ref_store, struct strbuf sb_path = STRBUF_INIT; const char *path; const char *buf; - const char *p; struct stat st; int fd; int ret = -1; @@ -465,6 +464,21 @@ stat_ref: close(fd); strbuf_rtrim(&sb_contents); buf = sb_contents.buf; + + ret = parse_loose_ref_contents(buf, oid, referent, type); + +out: + save_errno = errno; + strbuf_release(&sb_path); + strbuf_release(&sb_contents); + errno = save_errno; + return ret; +} + +int parse_loose_ref_contents(const char *buf, struct object_id *oid, + struct strbuf *referent, unsigned int *type) +{ + const char *p; if (skip_prefix(buf, "ref:", &buf)) { while (isspace(*buf)) buf++; @@ -472,29 +486,19 @@ stat_ref: strbuf_reset(referent); strbuf_addstr(referent, buf); *type |= REF_ISSYMREF; - ret = 0; - goto out; + return 0; } /* - * Please note that FETCH_HEAD has additional - * data after the sha. + * FETCH_HEAD has additional data after the sha. */ if (parse_oid_hex(buf, oid, &p) || (*p != '\0' && !isspace(*p))) { *type |= REF_ISBROKEN; errno = EINVAL; - goto out; + return -1; } - - ret = 0; - -out: - save_errno = errno; - strbuf_release(&sb_path); - strbuf_release(&sb_contents); - errno = save_errno; - return ret; + return 0; } static void unlock_ref(struct ref_lock *lock) diff --git a/refs/refs-internal.h b/refs/refs-internal.h index 357359a0be..24d79fb5c1 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -674,6 +674,12 @@ struct ref_store { const struct ref_storage_be *be; }; +/* + * Parse contents of a loose ref file. + */ +int parse_loose_ref_contents(const char *buf, struct object_id *oid, + struct strbuf *referent, unsigned int *type); + /* * Fill in the generic part of refs and add it to our collection of * reference stores. -- cgit v1.2.3