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-rw-r--r--remote.c256
1 files changed, 205 insertions, 51 deletions
diff --git a/remote.c b/remote.c
index 570e11286e..e5d6b100d7 100644
--- a/remote.c
+++ b/remote.c
@@ -4,13 +4,15 @@
#include "commit.h"
#include "diff.h"
#include "revision.h"
+#include "dir.h"
+#include "tag.h"
static struct refspec s_tag_refspec = {
0,
1,
0,
- "refs/tags/",
- "refs/tags/"
+ "refs/tags/*",
+ "refs/tags/*"
};
const struct refspec *tag_refspec = &s_tag_refspec;
@@ -37,6 +39,7 @@ static int branches_nr;
static struct branch *current_branch;
static const char *default_remote_name;
+static int explicit_default_remote_name;
static struct rewrite **rewrite;
static int rewrite_alloc;
@@ -329,8 +332,10 @@ static int handle_config(const char *key, const char *value, void *cb)
if (!value)
return config_error_nonbool(key);
branch->remote_name = xstrdup(value);
- if (branch == current_branch)
+ if (branch == current_branch) {
default_remote_name = branch->remote_name;
+ explicit_default_remote_name = 1;
+ }
} else if (!strcmp(subkey, ".merge")) {
if (!value)
return config_error_nonbool(key);
@@ -450,16 +455,11 @@ static void read_config(void)
*/
static int verify_refname(char *name, int is_glob)
{
- int result, len = -1;
+ int result;
- if (is_glob) {
- len = strlen(name);
- assert(name[len - 1] == '/');
- name[len - 1] = '\0';
- }
result = check_ref_format(name);
- if (is_glob)
- name[len - 1] = '/';
+ if (is_glob && result == CHECK_REF_FORMAT_WILDCARD)
+ result = CHECK_REF_FORMAT_OK;
return result;
}
@@ -494,7 +494,7 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp
int is_glob;
const char *lhs, *rhs;
- llen = is_glob = 0;
+ is_glob = 0;
lhs = refspec[i];
if (*lhs == '+') {
@@ -515,16 +515,15 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp
if (rhs) {
size_t rlen = strlen(++rhs);
- is_glob = (2 <= rlen && !strcmp(rhs + rlen - 2, "/*"));
- rs[i].dst = xstrndup(rhs, rlen - is_glob);
+ is_glob = (1 <= rlen && strchr(rhs, '*'));
+ rs[i].dst = xstrndup(rhs, rlen);
}
llen = (rhs ? (rhs - lhs - 1) : strlen(lhs));
- if (2 <= llen && !memcmp(lhs + llen - 2, "/*", 2)) {
+ if (1 <= llen && memchr(lhs, '*', llen)) {
if ((rhs && !is_glob) || (!rhs && fetch))
goto invalid;
is_glob = 1;
- llen--;
} else if (rhs && is_glob) {
goto invalid;
}
@@ -634,10 +633,7 @@ static struct refspec *parse_push_refspec(int nr_refspec, const char **refspec)
static int valid_remote_nick(const char *name)
{
- if (!name[0] || /* not empty */
- (name[0] == '.' && /* not "." */
- (!name[1] || /* not ".." */
- (name[1] == '.' && !name[2]))))
+ if (!name[0] || is_dot_or_dotdot(name))
return 0;
return !strchr(name, '/'); /* no slash */
}
@@ -645,10 +641,16 @@ static int valid_remote_nick(const char *name)
struct remote *remote_get(const char *name)
{
struct remote *ret;
+ int name_given = 0;
read_config();
- if (!name)
+ if (name)
+ name_given = 1;
+ else {
name = default_remote_name;
+ name_given = explicit_default_remote_name;
+ }
+
ret = make_remote(name, 0);
if (valid_remote_nick(name)) {
if (!ret->url)
@@ -656,7 +658,7 @@ struct remote *remote_get(const char *name)
if (!ret->url)
read_branches_file(ret);
}
- if (!ret->url)
+ if (name_given && !ret->url)
add_url_alias(ret, name);
if (!ret->url)
return NULL;
@@ -721,6 +723,41 @@ int remote_has_url(struct remote *remote, const char *url)
return 0;
}
+static int match_name_with_pattern(const char *key, const char *name,
+ const char *value, char **result)
+{
+ const char *kstar = strchr(key, '*');
+ size_t klen;
+ size_t ksuffixlen;
+ size_t namelen;
+ int ret;
+ if (!kstar)
+ die("Key '%s' of pattern had no '*'", key);
+ klen = kstar - key;
+ ksuffixlen = strlen(kstar + 1);
+ namelen = strlen(name);
+ ret = !strncmp(name, key, klen) && namelen >= klen + ksuffixlen &&
+ !memcmp(name + namelen - ksuffixlen, kstar + 1, ksuffixlen);
+ if (ret && value) {
+ const char *vstar = strchr(value, '*');
+ size_t vlen;
+ size_t vsuffixlen;
+ if (!vstar)
+ die("Value '%s' of pattern has no '*'", value);
+ vlen = vstar - value;
+ vsuffixlen = strlen(vstar + 1);
+ *result = xmalloc(vlen + vsuffixlen +
+ strlen(name) -
+ klen - ksuffixlen + 1);
+ strncpy(*result, value, vlen);
+ strncpy(*result + vlen,
+ name + klen, namelen - klen - ksuffixlen);
+ strcpy(*result + vlen + namelen - klen - ksuffixlen,
+ vstar + 1);
+ }
+ return ret;
+}
+
int remote_find_tracking(struct remote *remote, struct refspec *refspec)
{
int find_src = refspec->src == NULL;
@@ -744,13 +781,7 @@ int remote_find_tracking(struct remote *remote, struct refspec *refspec)
if (!fetch->dst)
continue;
if (fetch->pattern) {
- if (!prefixcmp(needle, key)) {
- *result = xmalloc(strlen(value) +
- strlen(needle) -
- strlen(key) + 1);
- strcpy(*result, value);
- strcpy(*result + strlen(value),
- needle + strlen(key));
+ if (match_name_with_pattern(key, needle, value, result)) {
refspec->force = fetch->force;
return 0;
}
@@ -780,10 +811,18 @@ struct ref *alloc_ref(const char *name)
static struct ref *copy_ref(const 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;
+ struct ref *cpy;
+ size_t len;
+ if (!ref)
+ return NULL;
+ len = strlen(ref->name);
+ cpy = xmalloc(sizeof(struct ref) + len + 1);
+ memcpy(cpy, ref, sizeof(struct ref) + len + 1);
+ cpy->next = NULL;
+ cpy->symref = ref->symref ? xstrdup(ref->symref) : NULL;
+ cpy->remote_status = ref->remote_status ? xstrdup(ref->remote_status) : NULL;
+ cpy->peer_ref = copy_ref(ref->peer_ref);
+ return cpy;
}
struct ref *copy_ref_list(const struct ref *ref)
@@ -802,6 +841,7 @@ static void free_ref(struct ref *ref)
{
if (!ref)
return;
+ free_ref(ref->peer_ref);
free(ref->remote_status);
free(ref->symref);
free(ref);
@@ -812,7 +852,6 @@ void free_refs(struct ref *ref)
struct ref *next;
while (ref) {
next = ref->next;
- free(ref->peer_ref);
free_ref(ref);
ref = next;
}
@@ -929,6 +968,7 @@ static int match_explicit(struct ref *src, struct ref *dst,
struct refspec *rs)
{
struct ref *matched_src, *matched_dst;
+ int copy_src;
const char *dst_value = rs->dst;
char *dst_guess;
@@ -939,6 +979,7 @@ static int match_explicit(struct ref *src, struct ref *dst,
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
@@ -948,6 +989,7 @@ static int match_explicit(struct ref *src, struct ref *dst,
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);
@@ -993,7 +1035,7 @@ 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 = matched_src;
+ matched_dst->peer_ref = copy_src ? copy_ref(matched_src) : matched_src;
matched_dst->force = rs->force;
}
return 0;
@@ -1022,7 +1064,8 @@ static const struct refspec *check_pattern_match(const struct refspec *rs,
continue;
}
- if (rs[i].pattern && !prefixcmp(src->name, rs[i].src))
+ if (rs[i].pattern && match_name_with_pattern(rs[i].src, src->name,
+ NULL, NULL))
return rs + i;
}
if (matching_refs != -1)
@@ -1042,6 +1085,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
struct refspec *rs;
int send_all = flags & MATCH_REFS_ALL;
int send_mirror = flags & MATCH_REFS_MIRROR;
+ int errs;
static const char *default_refspec[] = { ":", 0 };
if (!nr_refspec) {
@@ -1049,8 +1093,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
refspec = default_refspec;
}
rs = parse_push_refspec(nr_refspec, (const char **) refspec);
- if (match_explicit_refs(src, dst, dst_tail, rs, nr_refspec))
- return -1;
+ errs = match_explicit_refs(src, dst, dst_tail, rs, nr_refspec);
/* pick the remainder */
for ( ; src; src = src->next) {
@@ -1076,11 +1119,9 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
} else {
const char *dst_side = pat->dst ? pat->dst : pat->src;
- dst_name = xmalloc(strlen(dst_side) +
- strlen(src->name) -
- strlen(pat->src) + 2);
- strcpy(dst_name, dst_side);
- strcat(dst_name, src->name + strlen(pat->src));
+ if (!match_name_with_pattern(pat->src, src->name,
+ dst_side, &dst_name))
+ die("Didn't think it matches any more");
}
dst_peer = find_ref_by_name(dst, dst_name);
if (dst_peer) {
@@ -1101,11 +1142,13 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
dst_peer = make_linked_ref(dst_name, dst_tail);
hashcpy(dst_peer->new_sha1, src->new_sha1);
}
- dst_peer->peer_ref = src;
+ dst_peer->peer_ref = copy_ref(src);
dst_peer->force = pat->force;
free_name:
free(dst_name);
}
+ if (errs)
+ return -1;
return 0;
}
@@ -1156,19 +1199,17 @@ static struct ref *get_expanded_map(const struct ref *remote_refs,
struct ref *ret = NULL;
struct ref **tail = &ret;
- int remote_prefix_len = strlen(refspec->src);
- int local_prefix_len = strlen(refspec->dst);
+ char *expn_name;
for (ref = remote_refs; ref; ref = ref->next) {
if (strchr(ref->name, '^'))
continue; /* a dereference item */
- if (!prefixcmp(ref->name, refspec->src)) {
- const char *match;
+ if (match_name_with_pattern(refspec->src, ref->name,
+ refspec->dst, &expn_name)) {
struct ref *cpy = copy_ref(ref);
- match = ref->name + remote_prefix_len;
- cpy->peer_ref = alloc_ref_with_prefix(refspec->dst,
- local_prefix_len, match);
+ cpy->peer_ref = alloc_ref(expn_name);
+ free(expn_name);
if (refspec->force)
cpy->peer_ref->force = 1;
*tail = cpy;
@@ -1271,6 +1312,54 @@ int resolve_remote_symref(struct ref *ref, struct ref *list)
return 1;
}
+static void unmark_and_free(struct commit_list *list, unsigned int mark)
+{
+ while (list) {
+ struct commit_list *temp = list;
+ temp->item->object.flags &= ~mark;
+ list = temp->next;
+ free(temp);
+ }
+}
+
+int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1)
+{
+ struct object *o;
+ struct commit *old, *new;
+ struct commit_list *list, *used;
+ int found = 0;
+
+ /* Both new and old must be commit-ish and new is descendant of
+ * old. Otherwise we require --force.
+ */
+ o = deref_tag(parse_object(old_sha1), NULL, 0);
+ if (!o || o->type != OBJ_COMMIT)
+ return 0;
+ old = (struct commit *) o;
+
+ o = deref_tag(parse_object(new_sha1), NULL, 0);
+ if (!o || o->type != OBJ_COMMIT)
+ return 0;
+ new = (struct commit *) o;
+
+ if (parse_commit(new) < 0)
+ return 0;
+
+ used = list = NULL;
+ commit_list_insert(new, &list);
+ while (list) {
+ new = pop_most_recent_commit(&list, TMP_MARK);
+ commit_list_insert(new, &used);
+ if (new == old) {
+ found = 1;
+ break;
+ }
+ }
+ unmark_and_free(list, TMP_MARK);
+ unmark_and_free(used, TMP_MARK);
+ return found;
+}
+
/*
* Return true if there is anything to report, otherwise false.
*/
@@ -1378,3 +1467,68 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
base, num_ours, num_theirs);
return 1;
}
+
+static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+{
+ struct ref ***local_tail = cb_data;
+ struct ref *ref;
+ int len;
+
+ /* we already know it starts with refs/ to get here */
+ if (check_ref_format(refname + 5))
+ return 0;
+
+ len = strlen(refname) + 1;
+ ref = xcalloc(1, sizeof(*ref) + len);
+ hashcpy(ref->new_sha1, sha1);
+ memcpy(ref->name, refname, len);
+ **local_tail = ref;
+ *local_tail = &ref->next;
+ return 0;
+}
+
+struct ref *get_local_heads(void)
+{
+ struct ref *local_refs, **local_tail = &local_refs;
+ for_each_ref(one_local_ref, &local_tail);
+ return local_refs;
+}
+
+struct ref *guess_remote_head(const struct ref *head,
+ const struct ref *refs,
+ int all)
+{
+ const struct ref *r;
+ struct ref *list = NULL;
+ struct ref **tail = &list;
+
+ if (!head)
+ return NULL;
+
+ /*
+ * Some transports support directly peeking at
+ * where HEAD points; if that is the case, then
+ * we don't have to guess.
+ */
+ if (head->symref)
+ return copy_ref(find_ref_by_name(refs, head->symref));
+
+ /* If refs/heads/master could be right, it is. */
+ if (!all) {
+ r = find_ref_by_name(refs, "refs/heads/master");
+ if (r && !hashcmp(r->old_sha1, head->old_sha1))
+ return copy_ref(r);
+ }
+
+ /* Look for another ref that points there */
+ for (r = refs; r; r = r->next) {
+ if (r != head && !hashcmp(r->old_sha1, head->old_sha1)) {
+ *tail = copy_ref(r);
+ tail = &((*tail)->next);
+ if (!all)
+ break;
+ }
+ }
+
+ return list;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 12:30:40 +0000