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Diffstat (limited to 'remote.c')
-rw-r--r--remote.c271
1 files changed, 211 insertions, 60 deletions
diff --git a/remote.c b/remote.c
index c3ada2d72b..ca42a126ad 100644
--- a/remote.c
+++ b/remote.c
@@ -6,6 +6,7 @@
#include "revision.h"
#include "dir.h"
#include "tag.h"
+#include "string-list.h"
static struct refspec s_tag_refspec = {
0,
@@ -28,6 +29,11 @@ struct rewrite {
int instead_of_nr;
int instead_of_alloc;
};
+struct rewrites {
+ struct rewrite **rewrite;
+ int rewrite_alloc;
+ int rewrite_nr;
+};
static struct remote **remotes;
static int remotes_alloc;
@@ -41,14 +47,18 @@ 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;
-static int rewrite_nr;
+static struct rewrites rewrites;
+static struct rewrites rewrites_push;
#define BUF_SIZE (2048)
static char buffer[BUF_SIZE];
-static const char *alias_url(const char *url)
+static int valid_remote(const struct remote *remote)
+{
+ return (!!remote->url) || (!!remote->foreign_vcs);
+}
+
+static const char *alias_url(const char *url, struct rewrites *r)
{
int i, j;
char *ret;
@@ -57,14 +67,14 @@ static const char *alias_url(const char *url)
longest = NULL;
longest_i = -1;
- for (i = 0; i < rewrite_nr; i++) {
- if (!rewrite[i])
+ for (i = 0; i < r->rewrite_nr; i++) {
+ if (!r->rewrite[i])
continue;
- for (j = 0; j < rewrite[i]->instead_of_nr; j++) {
- if (!prefixcmp(url, rewrite[i]->instead_of[j].s) &&
+ for (j = 0; j < r->rewrite[i]->instead_of_nr; j++) {
+ if (!prefixcmp(url, r->rewrite[i]->instead_of[j].s) &&
(!longest ||
- longest->len < rewrite[i]->instead_of[j].len)) {
- longest = &(rewrite[i]->instead_of[j]);
+ longest->len < r->rewrite[i]->instead_of[j].len)) {
+ longest = &(r->rewrite[i]->instead_of[j]);
longest_i = i;
}
}
@@ -72,10 +82,10 @@ static const char *alias_url(const char *url)
if (!longest)
return url;
- ret = xmalloc(rewrite[longest_i]->baselen +
+ ret = xmalloc(r->rewrite[longest_i]->baselen +
(strlen(url) - longest->len) + 1);
- strcpy(ret, rewrite[longest_i]->base);
- strcpy(ret + rewrite[longest_i]->baselen, url + longest->len);
+ strcpy(ret, r->rewrite[longest_i]->base);
+ strcpy(ret + r->rewrite[longest_i]->baselen, url + longest->len);
return ret;
}
@@ -101,17 +111,25 @@ static void add_url(struct remote *remote, const char *url)
remote->url[remote->url_nr++] = url;
}
-static void add_url_alias(struct remote *remote, const char *url)
-{
- add_url(remote, alias_url(url));
-}
-
static void add_pushurl(struct remote *remote, const char *pushurl)
{
ALLOC_GROW(remote->pushurl, remote->pushurl_nr + 1, remote->pushurl_alloc);
remote->pushurl[remote->pushurl_nr++] = pushurl;
}
+static void add_pushurl_alias(struct remote *remote, const char *url)
+{
+ const char *pushurl = alias_url(url, &rewrites_push);
+ if (pushurl != url)
+ add_pushurl(remote, pushurl);
+}
+
+static void add_url_alias(struct remote *remote, const char *url)
+{
+ add_url(remote, alias_url(url, &rewrites));
+ add_pushurl_alias(remote, url);
+}
+
static struct remote *make_remote(const char *name, int len)
{
struct remote *ret;
@@ -169,22 +187,22 @@ static struct branch *make_branch(const char *name, int len)
return ret;
}
-static struct rewrite *make_rewrite(const char *base, int len)
+static struct rewrite *make_rewrite(struct rewrites *r, const char *base, int len)
{
struct rewrite *ret;
int i;
- for (i = 0; i < rewrite_nr; i++) {
+ for (i = 0; i < r->rewrite_nr; i++) {
if (len
- ? (len == rewrite[i]->baselen &&
- !strncmp(base, rewrite[i]->base, len))
- : !strcmp(base, rewrite[i]->base))
- return rewrite[i];
+ ? (len == r->rewrite[i]->baselen &&
+ !strncmp(base, r->rewrite[i]->base, len))
+ : !strcmp(base, r->rewrite[i]->base))
+ return r->rewrite[i];
}
- ALLOC_GROW(rewrite, rewrite_nr + 1, rewrite_alloc);
+ ALLOC_GROW(r->rewrite, r->rewrite_nr + 1, r->rewrite_alloc);
ret = xcalloc(1, sizeof(struct rewrite));
- rewrite[rewrite_nr++] = ret;
+ r->rewrite[r->rewrite_nr++] = ret;
if (len) {
ret->base = xstrndup(base, len);
ret->baselen = len;
@@ -355,8 +373,13 @@ static int handle_config(const char *key, const char *value, void *cb)
subkey = strrchr(name, '.');
if (!subkey)
return 0;
- rewrite = make_rewrite(name, subkey - name);
if (!strcmp(subkey, ".insteadof")) {
+ rewrite = make_rewrite(&rewrites, name, subkey - name);
+ if (!value)
+ return config_error_nonbool(key);
+ add_instead_of(rewrite, xstrdup(value));
+ } else if (!strcmp(subkey, ".pushinsteadof")) {
+ rewrite = make_rewrite(&rewrites_push, name, subkey - name);
if (!value)
return config_error_nonbool(key);
add_instead_of(rewrite, xstrdup(value));
@@ -379,7 +402,8 @@ static int handle_config(const char *key, const char *value, void *cb)
remote->mirror = git_config_bool(key, value);
else if (!strcmp(subkey, ".skipdefaultupdate"))
remote->skip_default_update = git_config_bool(key, value);
-
+ else if (!strcmp(subkey, ".skipfetchall"))
+ remote->skip_default_update = git_config_bool(key, value);
else if (!strcmp(subkey, ".url")) {
const char *v;
if (git_config_string(&v, key, value))
@@ -419,9 +443,13 @@ static int handle_config(const char *key, const char *value, void *cb)
} else if (!strcmp(subkey, ".tagopt")) {
if (!strcmp(value, "--no-tags"))
remote->fetch_tags = -1;
+ else if (!strcmp(value, "--tags"))
+ remote->fetch_tags = 2;
} else if (!strcmp(subkey, ".proxy")) {
return git_config_string((const char **)&remote->http_proxy,
key, value);
+ } else if (!strcmp(subkey, ".vcs")) {
+ return git_config_string(&remote->foreign_vcs, key, value);
}
return 0;
}
@@ -430,13 +458,17 @@ static void alias_all_urls(void)
{
int i, j;
for (i = 0; i < remotes_nr; i++) {
+ int add_pushurl_aliases;
if (!remotes[i])
continue;
- for (j = 0; j < remotes[i]->url_nr; j++) {
- remotes[i]->url[j] = alias_url(remotes[i]->url[j]);
- }
for (j = 0; j < remotes[i]->pushurl_nr; j++) {
- remotes[i]->pushurl[j] = alias_url(remotes[i]->pushurl[j]);
+ remotes[i]->pushurl[j] = alias_url(remotes[i]->pushurl[j], &rewrites);
+ }
+ add_pushurl_aliases = remotes[i]->pushurl_nr == 0;
+ for (j = 0; j < remotes[i]->url_nr; j++) {
+ if (add_pushurl_aliases)
+ add_pushurl_alias(remotes[i], remotes[i]->url[j]);
+ remotes[i]->url[j] = alias_url(remotes[i]->url[j], &rewrites);
}
}
}
@@ -446,7 +478,7 @@ static void read_config(void)
unsigned char sha1[20];
const char *head_ref;
int flag;
- if (default_remote_name) // did this already
+ if (default_remote_name) /* did this already */
return;
default_remote_name = xstrdup("origin");
current_branch = NULL;
@@ -461,7 +493,7 @@ static void read_config(void)
}
/*
- * We need to make sure the tracking branches are well formed, but a
+ * We need to make sure the remote-tracking branches are well formed, but a
* wildcard refspec in "struct refspec" must have a trailing slash. We
* temporarily drop the trailing '/' while calling check_ref_format(),
* and put it back. The caller knows that a CHECK_REF_FORMAT_ONELEVEL
@@ -627,10 +659,9 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp
int valid_fetch_refspec(const char *fetch_refspec_str)
{
- const char *fetch_refspec[] = { fetch_refspec_str };
struct refspec *refspec;
- refspec = parse_refspec_internal(1, fetch_refspec, 1, 1);
+ refspec = parse_refspec_internal(1, &fetch_refspec_str, 1, 1);
free_refspecs(refspec, 1);
return !!refspec;
}
@@ -645,6 +676,16 @@ static struct refspec *parse_push_refspec(int nr_refspec, const char **refspec)
return parse_refspec_internal(nr_refspec, refspec, 0, 0);
}
+void free_refspec(int nr_refspec, struct refspec *refspec)
+{
+ int i;
+ for (i = 0; i < nr_refspec; i++) {
+ free(refspec[i].src);
+ free(refspec[i].dst);
+ }
+ free(refspec);
+}
+
static int valid_remote_nick(const char *name)
{
if (!name[0] || is_dot_or_dotdot(name))
@@ -667,14 +708,14 @@ struct remote *remote_get(const char *name)
ret = make_remote(name, 0);
if (valid_remote_nick(name)) {
- if (!ret->url)
+ if (!valid_remote(ret))
read_remotes_file(ret);
- if (!ret->url)
+ if (!valid_remote(ret))
read_branches_file(ret);
}
- if (name_given && !ret->url)
+ if (name_given && !valid_remote(ret))
add_url_alias(ret, name);
- if (!ret->url)
+ if (!valid_remote(ret))
return NULL;
ret->fetch = parse_fetch_refspec(ret->fetch_refspec_nr, ret->fetch_refspec);
ret->push = parse_push_refspec(ret->push_refspec_nr, ret->push_refspec);
@@ -713,29 +754,33 @@ int for_each_remote(each_remote_fn fn, void *priv)
void ref_remove_duplicates(struct ref *ref_map)
{
- struct ref **posn;
- struct ref *next;
- for (; ref_map; ref_map = ref_map->next) {
+ struct string_list refs = STRING_LIST_INIT_NODUP;
+ struct string_list_item *item = NULL;
+ struct ref *prev = NULL, *next = NULL;
+ for (; ref_map; prev = ref_map, ref_map = next) {
+ next = ref_map->next;
if (!ref_map->peer_ref)
continue;
- posn = &ref_map->next;
- while (*posn) {
- if ((*posn)->peer_ref &&
- !strcmp((*posn)->peer_ref->name,
- ref_map->peer_ref->name)) {
- if (strcmp((*posn)->name, ref_map->name))
- die("%s tracks both %s and %s",
- ref_map->peer_ref->name,
- (*posn)->name, ref_map->name);
- next = (*posn)->next;
- free((*posn)->peer_ref);
- free(*posn);
- *posn = next;
- } else {
- posn = &(*posn)->next;
- }
+
+ item = string_list_lookup(&refs, ref_map->peer_ref->name);
+ if (item) {
+ if (strcmp(((struct ref *)item->util)->name,
+ ref_map->name))
+ die("%s tracks both %s and %s",
+ ref_map->peer_ref->name,
+ ((struct ref *)item->util)->name,
+ ref_map->name);
+ prev->next = ref_map->next;
+ free(ref_map->peer_ref);
+ free(ref_map);
+ ref_map = prev; /* skip this; we freed it */
+ continue;
}
+
+ item = string_list_insert(&refs, ref_map->peer_ref->name);
+ item->util = ref_map;
}
+ string_list_clear(&refs, 0);
}
int remote_has_url(struct remote *remote, const char *url)
@@ -783,6 +828,23 @@ static int match_name_with_pattern(const char *key, const char *name,
return ret;
}
+char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
+ const char *name)
+{
+ int i;
+ char *ret = NULL;
+ for (i = 0; i < nr_refspec; i++) {
+ struct refspec *refspec = refspecs + i;
+ if (refspec->pattern) {
+ if (match_name_with_pattern(refspec->src, name,
+ refspec->dst, &ret))
+ return ret;
+ } else if (!strcmp(refspec->src, name))
+ return strdup(refspec->dst);
+ }
+ return NULL;
+}
+
int remote_find_tracking(struct remote *remote, struct refspec *refspec)
{
int find_src = refspec->src == NULL;
@@ -1038,7 +1100,7 @@ static int match_explicit(struct ref *src, struct ref *dst,
case 0:
if (!memcmp(dst_value, "refs/", 5))
matched_dst = make_linked_ref(dst_value, dst_tail);
- else if((dst_guess = guess_ref(dst_value, matched_src)))
+ else if ((dst_guess = guess_ref(dst_value, matched_src)))
matched_dst = make_linked_ref(dst_guess, dst_tail);
else
error("unable to push to unqualified destination: %s\n"
@@ -1186,6 +1248,56 @@ int match_refs(struct ref *src, struct ref **dst,
return 0;
}
+void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
+ int force_update)
+{
+ struct ref *ref;
+
+ for (ref = remote_refs; ref; ref = ref->next) {
+ if (ref->peer_ref)
+ hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+ else if (!send_mirror)
+ continue;
+
+ ref->deletion = is_null_sha1(ref->new_sha1);
+ if (!ref->deletion &&
+ !hashcmp(ref->old_sha1, ref->new_sha1)) {
+ ref->status = REF_STATUS_UPTODATE;
+ continue;
+ }
+
+ /* This part determines what can overwrite what.
+ * The rules are:
+ *
+ * (0) you can always use --force or +A:B notation to
+ * selectively force individual ref pairs.
+ *
+ * (1) if the old thing does not exist, it is OK.
+ *
+ * (2) if you do not have the old thing, you are not allowed
+ * to overwrite it; you would not know what you are losing
+ * otherwise.
+ *
+ * (3) if both new and old are commit-ish, and new is a
+ * descendant of old, it is OK.
+ *
+ * (4) regardless of all of the above, removing :B is
+ * always allowed.
+ */
+
+ ref->nonfastforward =
+ !ref->deletion &&
+ !is_null_sha1(ref->old_sha1) &&
+ (!has_sha1_file(ref->old_sha1)
+ || !ref_newer(ref->new_sha1, ref->old_sha1));
+
+ if (ref->nonfastforward && !ref->force && !force_update) {
+ ref->status = REF_STATUS_REJECT_NONFASTFORWARD;
+ continue;
+ }
+ }
+}
+
struct branch *branch_get(const char *name)
{
struct branch *ret;
@@ -1565,3 +1677,42 @@ struct ref *guess_remote_head(const struct ref *head,
return list;
}
+
+struct stale_heads_info {
+ struct remote *remote;
+ struct string_list *ref_names;
+ struct ref **stale_refs_tail;
+};
+
+static int get_stale_heads_cb(const char *refname,
+ const unsigned char *sha1, int flags, void *cb_data)
+{
+ struct stale_heads_info *info = cb_data;
+ struct refspec refspec;
+ memset(&refspec, 0, sizeof(refspec));
+ refspec.dst = (char *)refname;
+ if (!remote_find_tracking(info->remote, &refspec)) {
+ if (!((flags & REF_ISSYMREF) ||
+ string_list_has_string(info->ref_names, refspec.src))) {
+ struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail);
+ hashcpy(ref->new_sha1, sha1);
+ }
+ }
+ return 0;
+}
+
+struct ref *get_stale_heads(struct remote *remote, struct ref *fetch_map)
+{
+ struct ref *ref, *stale_refs = NULL;
+ struct string_list ref_names = STRING_LIST_INIT_NODUP;
+ struct stale_heads_info info;
+ info.remote = remote;
+ info.ref_names = &ref_names;
+ info.stale_refs_tail = &stale_refs;
+ for (ref = fetch_map; ref; ref = ref->next)
+ string_list_append(&ref_names, ref->name);
+ sort_string_list(&ref_names);
+ for_each_ref(get_stale_heads_cb, &info);
+ string_list_clear(&ref_names, 0);
+ return stale_refs;
+}