Refactor merge strategies into separate includable file.

diff --git a/connect.c b/connect.c
index 0e6f27ea0a07ef0ba9b339c447271b337a9e5a5b..c2badc71aa2ccf63fa6d9ef02a5ee76feb54e5c9 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -1,16 +1,20 @@
 #include "cache.h"
 #include "pkt-line.h"
 #include "quote.h"
+#include "refs.h"
 #include <sys/wait.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 
+static char *server_capabilities = NULL;
+
 /*
  * 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 (;;) {
@@ -18,7 +22,7 @@ struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **ma
                unsigned char old_sha1[20];
                static char buffer[1000];
                char *name;
-               int len;
+               int len, name_len;
 
                len = packet_read_line(in, buffer, sizeof(buffer));
                if (!len)
@@ -29,6 +33,18 @@ 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;
+
+               name_len = strlen(name);
+               if (len != name_len + 41) {
+                       if (server_capabilities)
+                               free(server_capabilities);
+                       server_capabilities = strdup(name + name_len + 1);
+               }
+
                if (nr_match && !path_match(name, nr_match, match))
                        continue;
                ref = xcalloc(1, sizeof(*ref) + len - 40);
@@ -40,6 +56,12 @@ struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **ma
        return list;
 }
 
+int server_supports(const char *feature)
+{
+       return server_capabilities &&
+               strstr(server_capabilities, feature) != NULL;
+}
+
 int get_ack(int fd, unsigned char *result_sha1)
 {
        static char line[1000];
@@ -52,8 +74,11 @@ int get_ack(int fd, unsigned char *result_sha1)
        if (!strcmp(line, "NAK"))
                return 0;
        if (!strncmp(line, "ACK ", 3)) {
-               if (!get_sha1_hex(line+4, result_sha1))
+               if (!get_sha1_hex(line+4, result_sha1)) {
+                       if (strstr(line+45, "continue"))
+                               return 2;
                        return 1;
+               }
        }
        die("git-fetch_pack: expected ACK/NAK, got '%s'", line);
 }
@@ -284,13 +309,17 @@ static enum protocol get_protocol(const char *name)
                return PROTO_SSH;
        if (!strcmp(name, "git"))
                return PROTO_GIT;
+       if (!strcmp(name, "git+ssh"))
+               return PROTO_SSH;
+       if (!strcmp(name, "ssh+git"))
+               return PROTO_SSH;
        die("I don't handle protocol '%s'", name);
 }
 
 #define STR_(s)        # s
 #define STR(s) STR_(s)
 
-#ifndef __CYGWIN__
+#ifndef NO_IPV6
 
 static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
 {
@@ -348,7 +377,7 @@ static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
        return 0;
 }
 
-#else /* __CYGWIN__ */
+#else /* NO_IPV6 */
 
 static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
 {
@@ -397,7 +426,7 @@ static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
 
                memset(&sa, 0, sizeof sa);
                sa.sin_family = he->h_addrtype;
-               sa.sin_port = nport;
+               sa.sin_port = htons(nport);
                memcpy(&sa.sin_addr, ap, he->h_length);
 
                if (connect(sockfd, (struct sockaddr *)&sa, sizeof sa) < 0) {
@@ -417,7 +446,7 @@ static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
        return 0;
 }
 
-#endif /* __CYGWIN__ */
+#endif /* NO_IPV6 */
 
 /*
  * Yeah, yeah, fixme. Need to pass in the heads etc.