Avoid code duplication by moving list tail search to match_refs().
This does not change the semantics, not even for http-push. The NULL
test for remote_tail was redundant.
Signed-off-by: Clemens Buchacher <drizzd@xxxxxx>
---
On Tue, May 26, 2009 at 10:27:15AM -0400, Jay Soffian wrote:
> On Mon, May 25, 2009 at 3:01 PM, Clemens Buchacher <drizzd@xxxxxx> wrote:
> > I simply copied this from other uses of match_refs. I wonder if this calls
> > for a find_link_ref_tail() function, but I didn't know where to put it.
>-
> Since the primary use case is in combination with match_refs(),
> remote.[ch] perhaps.
Fair enough. Here it goes.
builtin-remote.c | 7 ++-----
builtin-send-pack.c | 9 ++-------
http-push.c | 4 +---
remote.c | 17 +++++++++++++----
remote.h | 2 +-
transport.c | 6 +-----
6 files changed, 20 insertions(+), 25 deletions(-)
diff --git a/builtin-remote.c b/builtin-remote.c
index fda9a54..9248e0a 100644
--- a/builtin-remote.c
+++ b/builtin-remote.c
@@ -294,17 +294,14 @@ static int get_push_ref_states(const struct ref *remote_refs,
struct ref_states *states)
{
struct remote *remote = states->remote;
- struct ref *ref, *local_refs, *push_map, **push_tail;
+ struct ref *ref, *local_refs, *push_map;
if (remote->mirror)
return 0;
local_refs = get_local_heads();
push_map = copy_ref_list(remote_refs);
- push_tail = &push_map;
- while (*push_tail)
- push_tail = &((*push_tail)->next);
- match_refs(local_refs, push_map, &push_tail, remote->push_refspec_nr,
+ match_refs(local_refs, &push_map, remote->push_refspec_nr,
remote->push_refspec, MATCH_REFS_NONE);
states->push.strdup_strings = 1;
diff --git a/builtin-send-pack.c b/builtin-send-pack.c
index be3b092..c375a3d 100644
--- a/builtin-send-pack.c
+++ b/builtin-send-pack.c
@@ -473,7 +473,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
int fd[2];
struct child_process *conn;
struct extra_have_objects extra_have;
- struct ref *remote_refs, **remote_tail, *local_refs;
+ struct ref *remote_refs, *local_refs;
int ret;
int send_all = 0;
const char *receivepack = "git-receive-pack";
@@ -567,13 +567,8 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
flags |= MATCH_REFS_MIRROR;
/* match them up */
- remote_tail = &remote_refs;
- while (*remote_tail)
- remote_tail = &((*remote_tail)->next);
- if (match_refs(local_refs, remote_refs, &remote_tail,
- nr_refspecs, refspecs, flags)) {
+ if (match_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
return -1;
- }
ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
diff --git a/http-push.c b/http-push.c
index dac2c6e..02f1ff5 100644
--- a/http-push.c
+++ b/http-push.c
@@ -2310,9 +2310,7 @@ int main(int argc, char **argv)
}
/* match them up */
- if (!remote_tail)
- remote_tail = &remote_refs;
- if (match_refs(local_refs, remote_refs, &remote_tail,
+ if (match_refs(local_refs, &remote_refs,
nr_refspec, (const char **) refspec, push_all)) {
rc = -1;
goto cleanup;
diff --git a/remote.c b/remote.c
index 2c3e905..f3c4b99 100644
--- a/remote.c
+++ b/remote.c
@@ -1085,12 +1085,20 @@ static const struct refspec *check_pattern_match(const struct refspec *rs,
return NULL;
}
+static struct ref** tail_ref(struct ref** head)
+{
+ struct ref **tail = head;
+ while (*tail)
+ tail = &((*tail)->next);
+ return tail;
+}
+
/*
* Note. This is used only by "push"; refspec matching rules for
* push and fetch are subtly different, so do not try to reuse it
* without thinking.
*/
-int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
+int match_refs(struct ref *src, struct ref **dst,
int nr_refspec, const char **refspec, int flags)
{
struct refspec *rs;
@@ -1098,13 +1106,14 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
int send_mirror = flags & MATCH_REFS_MIRROR;
int errs;
static const char *default_refspec[] = { ":", 0 };
+ struct ref **dst_tail = tail_ref(dst);
if (!nr_refspec) {
nr_refspec = 1;
refspec = default_refspec;
}
rs = parse_push_refspec(nr_refspec, (const char **) refspec);
- errs = match_explicit_refs(src, dst, dst_tail, rs, nr_refspec);
+ errs = match_explicit_refs(src, *dst, &dst_tail, rs, nr_refspec);
/* pick the remainder */
for ( ; src; src = src->next) {
@@ -1134,7 +1143,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
dst_side, &dst_name))
die("Didn't think it matches any more");
}
- dst_peer = find_ref_by_name(dst, dst_name);
+ dst_peer = find_ref_by_name(*dst, dst_name);
if (dst_peer) {
if (dst_peer->peer_ref)
/* We're already sending something to this ref. */
@@ -1150,7 +1159,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
goto free_name;
/* Create a new one and link it */
- dst_peer = make_linked_ref(dst_name, dst_tail);
+ dst_peer = make_linked_ref(dst_name, &dst_tail);
hashcpy(dst_peer->new_sha1, src->new_sha1);
}
dst_peer->peer_ref = copy_ref(src);
diff --git a/remote.h b/remote.h
index 99706a8..257a555 100644
--- a/remote.h
+++ b/remote.h
@@ -85,7 +85,7 @@ void ref_remove_duplicates(struct ref *ref_map);
int valid_fetch_refspec(const char *refspec);
struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec);
-int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
+int match_refs(struct ref *src, struct ref **dst,
int nr_refspec, const char **refspec, int all);
/*
diff --git a/transport.c b/transport.c
index 17891d5..d8a2392 100644
--- a/transport.c
+++ b/transport.c
@@ -1003,7 +1003,6 @@ int transport_push(struct transport *transport,
if (transport->push_refs) {
struct ref *remote_refs =
transport->get_refs_list(transport, 1);
- struct ref **remote_tail;
struct ref *local_refs = get_local_heads();
int match_flags = MATCH_REFS_NONE;
int verbose = flags & TRANSPORT_PUSH_VERBOSE;
@@ -1014,10 +1013,7 @@ int transport_push(struct transport *transport,
if (flags & TRANSPORT_PUSH_MIRROR)
match_flags |= MATCH_REFS_MIRROR;
- remote_tail = &remote_refs;
- while (*remote_tail)
- remote_tail = &((*remote_tail)->next);
- if (match_refs(local_refs, remote_refs, &remote_tail,
+ if (match_refs(local_refs, &remote_refs,
refspec_nr, refspec, match_flags)) {
return -1;
}
--
1.6.3.1.147.g637c3
--
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