Introduce usagef() that takes a printf-style format
[gitweb.git] / remote.c
index 39583d52b9b632a67594acfb4372b6e192200b41..73d33f2584b061085fcaa0958c26b1c3d4665904 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -28,6 +28,11 @@ 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 +46,13 @@ 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 const char *alias_url(const char *url, struct rewrites *r)
 {
        int i, j;
        char *ret;
@@ -57,14 +61,14 @@ 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 +76,10 @@ 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;
 }
 
@@ -101,9 +105,23 @@ static void add_url(struct remote *remote, const char *url)
        remote->url[remote->url_nr++] = 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));
+       add_url(remote, alias_url(url, &rewrites));
+       add_pushurl_alias(remote, url);
 }
 
 static struct remote *make_remote(const char *name, int len)
@@ -163,22 +181,22 @@ 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;
@@ -301,7 +319,7 @@ static void read_branches_file(struct remote *remote)
                strbuf_addstr(&branch, "HEAD:");
        }
        add_url_alias(remote, p);
-       add_fetch_refspec(remote, strbuf_detach(&branch, 0));
+       add_fetch_refspec(remote, strbuf_detach(&branch, NULL));
        /*
         * Cogito compatible push: push current HEAD to remote #branch
         * (master if missing)
@@ -312,7 +330,7 @@ static void read_branches_file(struct remote *remote)
                strbuf_addf(&branch, ":refs/heads/%s", frag);
        else
                strbuf_addstr(&branch, ":refs/heads/master");
-       add_push_refspec(remote, strbuf_detach(&branch, 0));
+       add_push_refspec(remote, strbuf_detach(&branch, NULL));
        remote->fetch_tags = 1; /* always auto-follow */
 }
 
@@ -349,8 +367,13 @@ 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));
@@ -379,6 +402,11 @@ static int handle_config(const char *key, const char *value, void *cb)
                if (git_config_string(&v, key, value))
                        return -1;
                add_url(remote, v);
+       } else if (!strcmp(subkey, ".pushurl")) {
+               const char *v;
+               if (git_config_string(&v, key, value))
+                       return -1;
+               add_pushurl(remote, v);
        } else if (!strcmp(subkey, ".push")) {
                const char *v;
                if (git_config_string(&v, key, value))
@@ -419,10 +447,17 @@ 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]->pushurl_nr; 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++) {
-                       remotes[i]->url[j] = alias_url(remotes[i]->url[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);
                }
        }
 }
@@ -1024,7 +1059,7 @@ 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"
@@ -1085,26 +1120,35 @@ static const struct refspec *check_pattern_match(const struct refspec *rs,
                return NULL;
 }
 
+static struct ref **tail_ref(struct ref **head)
+{
+       struct ref **tail = head;
+       while (*tail)
+               tail = &((*tail)->next);
+       return tail;
+}
+
 /*
  * 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 match_refs(struct ref *src, struct ref **dst,
               int nr_refspec, const char **refspec, int flags)
 {
        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 };
+       static const char *default_refspec[] = { ":", NULL };
+       struct ref **dst_tail = tail_ref(dst);
 
        if (!nr_refspec) {
                nr_refspec = 1;
                refspec = default_refspec;
        }
        rs = parse_push_refspec(nr_refspec, (const char **) refspec);
-       errs = match_explicit_refs(src, dst, dst_tail, rs, nr_refspec);
+       errs = match_explicit_refs(src, *dst, &dst_tail, rs, nr_refspec);
 
        /* pick the remainder */
        for ( ; src; src = src->next) {
@@ -1134,7 +1178,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
                                                     dst_side, &dst_name))
                                die("Didn't think it matches any more");
                }
-               dst_peer = find_ref_by_name(dst, dst_name);
+               dst_peer = find_ref_by_name(*dst, dst_name);
                if (dst_peer) {
                        if (dst_peer->peer_ref)
                                /* We're already sending something to this ref. */
@@ -1150,7 +1194,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
                                goto free_name;
 
                        /* Create a new one and link it */
-                       dst_peer = make_linked_ref(dst_name, dst_tail);
+                       dst_peer = make_linked_ref(dst_name, &dst_tail);
                        hashcpy(dst_peer->new_sha1, src->new_sha1);
                }
                dst_peer->peer_ref = copy_ref(src);
@@ -1399,13 +1443,13 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs)
        base = branch->merge[0]->dst;
        if (!resolve_ref(base, sha1, 1, NULL))
                return 0;
-       theirs = lookup_commit(sha1);
+       theirs = lookup_commit_reference(sha1);
        if (!theirs)
                return 0;
 
        if (!resolve_ref(branch->refname, sha1, 1, NULL))
                return 0;
-       ours = lookup_commit(sha1);
+       ours = lookup_commit_reference(sha1);
        if (!ours)
                return 0;