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authorDaniel Barkalow <barkalow@iabervon.org>2007-09-11 03:03:08 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-09-19 10:22:30 (GMT)
commitd71ab17470ab2011c7cb398b75385bb0d0c4bdb4 (patch)
treecadf709611fa3493468c77bfabb3bbaa42dd74a6 /remote.c
parent9b288516ee63cea91dd9d102edcdf112caea4c75 (diff)
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Add matching and parsing for fetch-side refspec rules
Also exports parse_ref_spec(). Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'remote.c')
-rw-r--r--remote.c125
1 files changed, 124 insertions, 1 deletions
diff --git a/remote.c b/remote.c
index 711aa04..df91b2f 100644
--- a/remote.c
+++ b/remote.c
@@ -208,6 +208,7 @@ static void read_branches_file(struct remote *remote)
}
add_uri(remote, p);
add_fetch_refspec(remote, branch);
+ remote->fetch_tags = 1; /* always auto-follow */
}
static int handle_config(const char *key, const char *value)
@@ -274,6 +275,9 @@ static int handle_config(const char *key, const char *value)
remote->uploadpack = xstrdup(value);
else
error("more than one uploadpack given, using the first");
+ } else if (!strcmp(subkey, ".tagopt")) {
+ if (!strcmp(value, "--no-tags"))
+ remote->fetch_tags = -1;
}
return 0;
}
@@ -296,7 +300,7 @@ static void read_config(void)
git_config(handle_config);
}
-static struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
+struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
{
int i;
struct refspec *rs = xcalloc(sizeof(*rs), nr_refspec);
@@ -352,6 +356,10 @@ struct remote *remote_get(const char *name)
add_uri(ret, name);
if (!ret->uri)
return NULL;
+ if (!strcmp(name, ".")) {
+ // we always fetch "refs/*:refs/*", which is trivial
+ add_fetch_refspec(ret, "refs/*:refs/*");
+ }
ret->fetch = parse_ref_spec(ret->fetch_refspec_nr, ret->fetch_refspec);
ret->push = parse_ref_spec(ret->push_refspec_nr, ret->push_refspec);
return ret;
@@ -454,6 +462,14 @@ struct ref *alloc_ref(unsigned namelen)
return ret;
}
+static struct ref *copy_ref(struct ref *ref)
+{
+ struct ref *ret = xmalloc(sizeof(struct ref) + strlen(ref->name) + 1);
+ memcpy(ret, ref, sizeof(struct ref) + strlen(ref->name) + 1);
+ ret->next = NULL;
+ return ret;
+}
+
void free_refs(struct ref *ref)
{
struct ref *next;
@@ -771,3 +787,110 @@ int branch_merges(struct branch *branch, const char *refname)
}
return 0;
}
+
+static struct ref *get_expanded_map(struct ref *remote_refs,
+ const struct refspec *refspec)
+{
+ struct ref *ref;
+ struct ref *ret = NULL;
+ struct ref **tail = &ret;
+
+ int remote_prefix_len = strlen(refspec->src);
+ int local_prefix_len = strlen(refspec->dst);
+
+ for (ref = remote_refs; ref; ref = ref->next) {
+ if (strchr(ref->name, '^'))
+ continue; /* a dereference item */
+ if (!prefixcmp(ref->name, refspec->src)) {
+ char *match;
+ struct ref *cpy = copy_ref(ref);
+ match = ref->name + remote_prefix_len;
+
+ cpy->peer_ref = alloc_ref(local_prefix_len +
+ strlen(match) + 1);
+ sprintf(cpy->peer_ref->name, "%s%s",
+ refspec->dst, match);
+ if (refspec->force)
+ cpy->peer_ref->force = 1;
+ *tail = cpy;
+ tail = &cpy->next;
+ }
+ }
+
+ return ret;
+}
+
+static struct ref *find_ref_by_name_abbrev(struct ref *refs, const char *name)
+{
+ struct ref *ref;
+ for (ref = refs; ref; ref = ref->next) {
+ if (ref_matches_abbrev(name, ref->name))
+ return ref;
+ }
+ return NULL;
+}
+
+struct ref *get_remote_ref(struct ref *remote_refs, const char *name)
+{
+ struct ref *ref = find_ref_by_name_abbrev(remote_refs, name);
+
+ if (!ref)
+ die("Couldn't find remote ref %s\n", name);
+
+ return copy_ref(ref);
+}
+
+static struct ref *get_local_ref(const char *name)
+{
+ struct ref *ret;
+ if (!name)
+ return NULL;
+
+ if (!prefixcmp(name, "refs/")) {
+ ret = alloc_ref(strlen(name) + 1);
+ strcpy(ret->name, name);
+ return ret;
+ }
+
+ if (!prefixcmp(name, "heads/") ||
+ !prefixcmp(name, "tags/") ||
+ !prefixcmp(name, "remotes/")) {
+ ret = alloc_ref(strlen(name) + 6);
+ sprintf(ret->name, "refs/%s", name);
+ return ret;
+ }
+
+ ret = alloc_ref(strlen(name) + 12);
+ sprintf(ret->name, "refs/heads/%s", name);
+ return ret;
+}
+
+int get_fetch_map(struct ref *remote_refs,
+ const struct refspec *refspec,
+ struct ref ***tail)
+{
+ struct ref *ref_map, *rm;
+
+ if (refspec->pattern) {
+ ref_map = get_expanded_map(remote_refs, refspec);
+ } else {
+ ref_map = get_remote_ref(remote_refs,
+ refspec->src[0] ?
+ refspec->src : "HEAD");
+
+ ref_map->peer_ref = get_local_ref(refspec->dst);
+
+ if (refspec->force)
+ ref_map->peer_ref->force = 1;
+ }
+
+ for (rm = ref_map; rm; rm = rm->next) {
+ if (rm->peer_ref && check_ref_format(rm->peer_ref->name + 5))
+ die("* refusing to create funny ref '%s' locally",
+ rm->peer_ref->name);
+ }
+
+ tail_link_ref(ref_map, tail);
+
+ return 0;
+}