diff options
Diffstat (limited to 'remote.c')
| -rw-r--r-- | remote.c | 104 |
1 files changed, 75 insertions, 29 deletions
@@ -1062,11 +1062,13 @@ int count_refspec_match(const char *pattern, } } if (!matched) { - *matched_ref = matched_weak; + if (matched_ref) + *matched_ref = matched_weak; return weak_match; } else { - *matched_ref = matched; + if (matched_ref) + *matched_ref = matched; return match; } } @@ -1086,18 +1088,25 @@ static struct ref *alloc_delete_ref(void) return ref; } -static struct ref *try_explicit_object_name(const char *name) +static int try_explicit_object_name(const char *name, + struct ref **match) { unsigned char sha1[20]; - struct ref *ref; - if (!*name) - return alloc_delete_ref(); + if (!*name) { + if (match) + *match = alloc_delete_ref(); + return 0; + } + if (get_sha1(name, sha1)) - return NULL; - ref = alloc_ref(name); - hashcpy(ref->new_sha1, sha1); - return ref; + return -1; + + if (match) { + *match = alloc_ref(name); + hashcpy((*match)->new_sha1, sha1); + } + return 0; } static struct ref *make_linked_ref(const char *name, struct ref ***tail) @@ -1127,12 +1136,37 @@ static char *guess_ref(const char *name, struct ref *peer) return strbuf_detach(&buf, NULL); } +static int match_explicit_lhs(struct ref *src, + struct refspec *rs, + struct ref **match, + int *allocated_match) +{ + switch (count_refspec_match(rs->src, src, match)) { + case 1: + if (allocated_match) + *allocated_match = 0; + return 0; + case 0: + /* The source could be in the get_sha1() format + * not a reference name. :refs/other is a + * way to delete 'other' ref at the remote end. + */ + if (try_explicit_object_name(rs->src, match) < 0) + return error("src refspec %s does not match any.", rs->src); + if (allocated_match) + *allocated_match = 1; + return 0; + default: + return error("src refspec %s matches more than one.", rs->src); + } +} + static int match_explicit(struct ref *src, struct ref *dst, struct ref ***dst_tail, struct refspec *rs) { struct ref *matched_src, *matched_dst; - int copy_src; + int allocated_src; const char *dst_value = rs->dst; char *dst_guess; @@ -1141,23 +1175,8 @@ static int match_explicit(struct ref *src, struct ref *dst, return 0; matched_src = matched_dst = NULL; - switch (count_refspec_match(rs->src, src, &matched_src)) { - case 1: - copy_src = 1; - break; - case 0: - /* The source could be in the get_sha1() format - * not a reference name. :refs/other is a - * way to delete 'other' ref at the remote end. - */ - matched_src = try_explicit_object_name(rs->src); - if (!matched_src) - return error("src refspec %s does not match any.", rs->src); - copy_src = 0; - break; - default: - return error("src refspec %s matches more than one.", rs->src); - } + if (match_explicit_lhs(src, rs, &matched_src, &allocated_src) < 0) + return -1; if (!dst_value) { unsigned char sha1[20]; @@ -1202,7 +1221,9 @@ static int match_explicit(struct ref *src, struct ref *dst, return error("dst ref %s receives from more than one src.", matched_dst->name); else { - matched_dst->peer_ref = copy_src ? copy_ref(matched_src) : matched_src; + matched_dst->peer_ref = allocated_src ? + matched_src : + copy_ref(matched_src); matched_dst->force = rs->force; } return 0; @@ -1384,6 +1405,31 @@ static void prepare_ref_index(struct string_list *ref_index, struct ref *ref) } /* + * Given only the set of local refs, sanity-check the set of push + * refspecs. We can't catch all errors that match_push_refs would, + * but we can catch some errors early before even talking to the + * remote side. + */ +int check_push_refs(struct ref *src, int nr_refspec, const char **refspec_names) +{ + struct refspec *refspec = parse_push_refspec(nr_refspec, refspec_names); + int ret = 0; + int i; + + for (i = 0; i < nr_refspec; i++) { + struct refspec *rs = refspec + i; + + if (rs->pattern || rs->matching) + continue; + + ret |= match_explicit_lhs(src, rs, NULL, NULL); + } + + free_refspec(nr_refspec, refspec); + return ret; +} + +/* * Given the set of refs the local repository has, the set of refs the * remote repository has, and the refspec used for push, determine * what remote refs we will update and with what value by setting |