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authorJunio C Hamano <gitster@pobox.com>2007-06-08 23:22:58 -0700
committerJunio C Hamano <gitster@pobox.com>2007-06-09 11:53:01 -0700
commit54a8ad925cfac90bb4141c9904b1f97f0c5b83d4 (patch)
tree8b36e33ecd354699da0d154dbfe94d390da4f8fc /remote.c
parente58db03bbee4af96e60b6ac88b84c1c11b8b037e (diff)
downloadgit-54a8ad925cfac90bb4141c9904b1f97f0c5b83d4.tar.gz
remote.c: refactor match_explicit_refs()
This does not change functionality; just splits one block that is deeply nested and indented out of a huge loop into a separate function. Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'remote.c')
-rw-r--r--remote.c159
1 files changed, 86 insertions, 73 deletions
diff --git a/remote.c b/remote.c
index 33c8e5055b..b53130fb56 100644
--- a/remote.c
+++ b/remote.c
@@ -406,90 +406,98 @@ static struct ref *try_explicit_object_name(const char *name)
return ref;
}
-static int match_explicit_refs(struct ref *src, struct ref *dst,
- struct ref ***dst_tail, struct refspec *rs,
- int rs_nr)
+static int match_explicit(struct ref *src, struct ref *dst,
+ struct ref ***dst_tail,
+ struct refspec *rs,
+ int errs)
{
- int i, errs;
- for (i = errs = 0; i < rs_nr; i++) {
- struct ref *matched_src, *matched_dst;
+ struct ref *matched_src, *matched_dst;
- const char *dst_value = rs[i].dst;
+ const char *dst_value = rs->dst;
- if (rs[i].pattern)
- continue;
+ if (rs->pattern)
+ return errs;
- if (dst_value == NULL)
- dst_value = rs[i].src;
+ if (dst_value == NULL)
+ dst_value = rs->src;
- matched_src = matched_dst = NULL;
- switch (count_refspec_match(rs[i].src, src, &matched_src)) {
- case 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[i].src);
- if (matched_src)
- break;
- errs = 1;
- error("src refspec %s does not match any.",
- rs[i].src);
- break;
- default:
- errs = 1;
- error("src refspec %s matches more than one.",
- rs[i].src);
- break;
- }
- switch (count_refspec_match(dst_value, dst, &matched_dst)) {
- case 1:
- break;
- case 0:
- if (!memcmp(dst_value, "refs/", 5)) {
- int len = strlen(dst_value) + 1;
- matched_dst = xcalloc(1, sizeof(*dst) + len);
- memcpy(matched_dst->name, dst_value, len);
- link_dst_tail(matched_dst, dst_tail);
- }
- else if (!strcmp(rs[i].src, dst_value) &&
- matched_src) {
- /* pushing "master:master" when
- * remote does not have master yet.
- */
- int len = strlen(matched_src->name) + 1;
- matched_dst = xcalloc(1, sizeof(*dst) + len);
- memcpy(matched_dst->name, matched_src->name,
- len);
- link_dst_tail(matched_dst, dst_tail);
- }
- else {
- errs = 1;
- error("dst refspec %s does not match any "
- "existing ref on the remote and does "
- "not start with refs/.", dst_value);
- }
- break;
- default:
- errs = 1;
- error("dst refspec %s matches more than one.",
- dst_value);
+ matched_src = matched_dst = NULL;
+ switch (count_refspec_match(rs->src, src, &matched_src)) {
+ case 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)
break;
+ errs = 1;
+ error("src refspec %s does not match any.",
+ rs->src);
+ break;
+ default:
+ errs = 1;
+ error("src refspec %s matches more than one.",
+ rs->src);
+ break;
+ }
+ switch (count_refspec_match(dst_value, dst, &matched_dst)) {
+ case 1:
+ break;
+ case 0:
+ if (!memcmp(dst_value, "refs/", 5)) {
+ int len = strlen(dst_value) + 1;
+ matched_dst = xcalloc(1, sizeof(*dst) + len);
+ memcpy(matched_dst->name, dst_value, len);
+ link_dst_tail(matched_dst, dst_tail);
}
- if (errs)
- continue;
- if (matched_dst->peer_ref) {
- errs = 1;
- error("dst ref %s receives from more than one src.",
- matched_dst->name);
+ else if (!strcmp(rs->src, dst_value) &&
+ matched_src) {
+ /* pushing "master:master" when
+ * remote does not have master yet.
+ */
+ int len = strlen(matched_src->name) + 1;
+ matched_dst = xcalloc(1, sizeof(*dst) + len);
+ memcpy(matched_dst->name, matched_src->name,
+ len);
+ link_dst_tail(matched_dst, dst_tail);
}
else {
- matched_dst->peer_ref = matched_src;
- matched_dst->force = rs[i].force;
+ errs = 1;
+ error("dst refspec %s does not match any "
+ "existing ref on the remote and does "
+ "not start with refs/.", dst_value);
}
+ break;
+ default:
+ errs = 1;
+ error("dst refspec %s matches more than one.",
+ dst_value);
+ break;
+ }
+ if (errs)
+ return errs;
+ if (matched_dst->peer_ref) {
+ errs = 1;
+ error("dst ref %s receives from more than one src.",
+ matched_dst->name);
}
+ else {
+ matched_dst->peer_ref = matched_src;
+ matched_dst->force = rs->force;
+ }
+ return errs;
+}
+
+static int match_explicit_refs(struct ref *src, struct ref *dst,
+ struct ref ***dst_tail, struct refspec *rs,
+ int rs_nr)
+{
+ int i, errs;
+ for (i = errs = 0; i < rs_nr; i++)
+ errs |= match_explicit(src, dst, dst_tail, &rs[i], errs);
return -errs;
}
@@ -513,6 +521,11 @@ static const struct refspec *check_pattern_match(const struct refspec *rs,
return NULL;
}
+/*
+ * 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 nr_refspec, char **refspec, int all)
{