Ignore funny refname sent from remote

This allows the remote side (most notably, upload-pack) to show
additional information without affecting the downloader.  Peek-remote
does not ignore them -- this is to make it useful for Pasky's
automatic tag following.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/cache.h b/cache.h
index ec2a161..201ce99 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -331,7 +331,7 @@ extern int path_match(const char *path, int nr, char **match);
 extern int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
                      int nr_refspec, char **refspec, int all);
 extern int get_ack(int fd, unsigned char *result_sha1);
-extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match);
+extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, int ignore_funny);
 
 extern struct packed_git *parse_pack_index(unsigned char *sha1);
 extern struct packed_git *parse_pack_index_file(const unsigned char *sha1,

diff --git a/clone-pack.c b/clone-pack.c
index 48bee96..2ac35f6 100644 (file)
--- a/clone-pack.c
+++ b/clone-pack.c
@@ -118,7 +118,7 @@ static int clone_pack(int fd[2], int nr_match, char **match)
        int status;
        pid_t pid;
 
-       get_remote_heads(fd[0], &refs, nr_match, match);
+       get_remote_heads(fd[0], &refs, nr_match, match, 1);
        if (!refs) {
                packet_flush(fd[1]);
                die("no matching remote head");

diff --git a/connect.c b/connect.c
index 825c439..c577f2e 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -10,7 +10,8 @@
 /*
  * Read all the refs from the other end
  */
-struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match)
+struct ref **get_remote_heads(int in, struct ref **list,
+                             int nr_match, char **match, int ignore_funny)
 {
        *list = NULL;
        for (;;) {
@@ -29,6 +30,11 @@ struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **ma
                if (len < 42 || get_sha1_hex(buffer, old_sha1) || buffer[40] != ' ')
                        die("protocol error: expected sha/ref, got '%s'", buffer);
                name = buffer + 41;
+
+               if (ignore_funny && 45 < len && !memcmp(name, "refs/", 5) &&
+                   check_ref_format(name + 5))
+                       continue;
+
                if (nr_match && !path_match(name, nr_match, match))
                        continue;
                ref = xcalloc(1, sizeof(*ref) + len - 40);

diff --git a/fetch-pack.c b/fetch-pack.c
index 582f967..953c0cf 100644 (file)
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -81,7 +81,7 @@ static int fetch_pack(int fd[2], int nr_match, char **match)
        int status;
        pid_t pid;
 
-       get_remote_heads(fd[0], &ref, nr_match, match);
+       get_remote_heads(fd[0], &ref, nr_match, match, 1);
        if (!ref) {
                packet_flush(fd[1]);
                die("no matching remote head");

diff --git a/peek-remote.c b/peek-remote.c
index 4b1d0d5..ee49bf3 100644 (file)
--- a/peek-remote.c
+++ b/peek-remote.c
@@ -11,7 +11,7 @@ static int peek_remote(int fd[2])
 {
        struct ref *ref;
 
-       get_remote_heads(fd[0], &ref, 0, NULL);
+       get_remote_heads(fd[0], &ref, 0, NULL, 0);
        packet_flush(fd[1]);
 
        while (ref) {

diff --git a/send-pack.c b/send-pack.c
index 55d8ff7..9f9a6e7 100644 (file)
--- a/send-pack.c
+++ b/send-pack.c
@@ -181,7 +181,7 @@ static int send_pack(int in, int out, int nr_refspec, char **refspec)
        int new_refs;
 
        /* No funny business with the matcher */
-       remote_tail = get_remote_heads(in, &remote_refs, 0, NULL);
+       remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, 1);
        get_local_heads();
 
        /* match them up */