push: add '--prune' option
[git/git.git] / remote.c
index c3cf736..b296d17 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -8,6 +8,8 @@
 #include "tag.h"
 #include "string-list.h"
 
 #include "tag.h"
 #include "string-list.h"
 
+enum map_direction { FROM_SRC, FROM_DST };
+
 static struct refspec s_tag_refspec = {
        0,
        1,
 static struct refspec s_tag_refspec = {
        0,
        1,
@@ -1115,7 +1117,7 @@ static int match_explicit_refs(struct ref *src, struct ref *dst,
 }
 
 static char *get_ref_match(const struct refspec *rs, int rs_nr, const struct ref *ref,
 }
 
 static char *get_ref_match(const struct refspec *rs, int rs_nr, const struct ref *ref,
-               int send_mirror, const struct refspec **ret_pat)
+               int send_mirror, int direction, const struct refspec **ret_pat)
 {
        const struct refspec *pat;
        char *name;
 {
        const struct refspec *pat;
        char *name;
@@ -1130,7 +1132,12 @@ static char *get_ref_match(const struct refspec *rs, int rs_nr, const struct ref
 
                if (rs[i].pattern) {
                        const char *dst_side = rs[i].dst ? rs[i].dst : rs[i].src;
 
                if (rs[i].pattern) {
                        const char *dst_side = rs[i].dst ? rs[i].dst : rs[i].src;
-                       if (match_name_with_pattern(rs[i].src, ref->name, dst_side, &name)) {
+                       int match;
+                       if (direction == FROM_SRC)
+                               match = match_name_with_pattern(rs[i].src, ref->name, dst_side, &name);
+                       else
+                               match = match_name_with_pattern(dst_side, ref->name, rs[i].src, &name);
+                       if (match) {
                                matching_refs = i;
                                break;
                        }
                                matching_refs = i;
                                break;
                        }
@@ -1177,6 +1184,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
        struct refspec *rs;
        int send_all = flags & MATCH_REFS_ALL;
        int send_mirror = flags & MATCH_REFS_MIRROR;
        struct refspec *rs;
        int send_all = flags & MATCH_REFS_ALL;
        int send_mirror = flags & MATCH_REFS_MIRROR;
+       int send_prune = flags & MATCH_REFS_PRUNE;
        int errs;
        static const char *default_refspec[] = { ":", NULL };
        struct ref *ref, **dst_tail = tail_ref(dst);
        int errs;
        static const char *default_refspec[] = { ":", NULL };
        struct ref *ref, **dst_tail = tail_ref(dst);
@@ -1197,7 +1205,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
                if (ref->peer_ref)
                        continue;
 
                if (ref->peer_ref)
                        continue;
 
-               dst_name = get_ref_match(rs, nr_refspec, ref, send_mirror, &pat);
+               dst_name = get_ref_match(rs, nr_refspec, ref, send_mirror, FROM_SRC, &pat);
                if (!dst_name)
                        continue;
 
                if (!dst_name)
                        continue;
 
@@ -1224,6 +1232,23 @@ int match_push_refs(struct ref *src, struct ref **dst,
        free_name:
                free(dst_name);
        }
        free_name:
                free(dst_name);
        }
+       if (send_prune) {
+               /* check for missing refs on the remote */
+               for (ref = *dst; ref; ref = ref->next) {
+                       char *src_name;
+
+                       if (ref->peer_ref)
+                               /* We're already sending something to this ref. */
+                               continue;
+
+                       src_name = get_ref_match(rs, nr_refspec, ref, send_mirror, FROM_DST, NULL);
+                       if (src_name) {
+                               if (!find_ref_by_name(src, src_name))
+                                       ref->peer_ref = alloc_delete_ref();
+                               free(src_name);
+                       }
+               }
+       }
        if (errs)
                return -1;
        return 0;
        if (errs)
                return -1;
        return 0;