Merge branch 'mg/pushurl'

* mg/pushurl:
  avoid NULL dereference on failed malloc
  builtin-remote: Make "remote -v" display push urls
  builtin-remote: Show push urls as well
  technical/api-remote: Describe new struct remote member pushurl
  t5516: Check pushurl config setting
  Allow push and fetch urls to be different

9 files changed, 102 insertions, 17 deletions

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 3a86d1f8f0..2fecbe32a6 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1319,6 +1319,9 @@ remote.<name>.url::
 	The URL of a remote repository.  See linkgit:git-fetch[1] or
 	linkgit:git-push[1].
 
+remote.<name>.pushurl::
+	The push URL of a remote repository.  See linkgit:git-push[1].
+
 remote.<name>.proxy::
 	For remotes that require curl (http, https and ftp), the URL to
 	the proxy to use for that remote.  Set to the empty string to
diff --git a/Documentation/technical/api-remote.txt b/Documentation/technical/api-remote.txt
index 073b22bd83..c54b17db69 100644
--- a/Documentation/technical/api-remote.txt
+++ b/Documentation/technical/api-remote.txt
@@ -18,6 +18,10 @@ struct remote
 
 	An array of all of the url_nr URLs configured for the remote
 
+`pushurl`::
+
+	An array of all of the pushurl_nr push URLs configured for the remote
+
 `push`::
 
 	 An array of refspecs configured for pushing, with
diff --git a/Documentation/urls-remotes.txt b/Documentation/urls-remotes.txt
index 41ec7774f4..2a0e7b8944 100644
--- a/Documentation/urls-remotes.txt
+++ b/Documentation/urls-remotes.txt
@@ -27,10 +27,13 @@ config file would appear like this:
 ------------
 	[remote "<name>"]
 		url = <url>
+		pushurl = <pushurl>
 		push = <refspec>
 		fetch = <refspec>
 ------------
 
+The `<pushurl>` is used for pushes only. It is optional and defaults
+to `<url>`.
 
 Named file in `$GIT_DIR/remotes`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/builtin-push.c b/builtin-push.c
index c869974013..7be12399b6 100644
--- a/builtin-push.c
+++ b/builtin-push.c
@@ -117,6 +117,8 @@ static int do_push(const char *repo, int flags)
 {
 	int i, errs;
 	struct remote *remote = remote_get(repo);
+	const char **url;
+	int url_nr;
 
 	if (!remote) {
 		if (repo)
@@ -152,9 +154,16 @@ static int do_push(const char *repo, int flags)
 			setup_default_push_refspecs();
 	}
 	errs = 0;
-	for (i = 0; i < remote->url_nr; i++) {
+	if (remote->pushurl_nr) {
+		url = remote->pushurl;
+		url_nr = remote->pushurl_nr;
+	} else {
+		url = remote->url;
+		url_nr = remote->url_nr;
+	}
+	for (i = 0; i < url_nr; i++) {
 		struct transport *transport =
-			transport_get(remote, remote->url[i]);
+			transport_get(remote, url[i]);
 		int err;
 		if (receivepack)
 			transport_set_option(transport,
@@ -163,14 +172,14 @@ static int do_push(const char *repo, int flags)
 			transport_set_option(transport, TRANS_OPT_THIN, "yes");
 
 		if (flags & TRANSPORT_PUSH_VERBOSE)
-			fprintf(stderr, "Pushing to %s\n", remote->url[i]);
+			fprintf(stderr, "Pushing to %s\n", url[i]);
 		err = transport_push(transport, refspec_nr, refspec, flags);
 		err |= transport_disconnect(transport);
 
 		if (!err)
 			continue;
 
-		error("failed to push some refs to '%s'", remote->url[i]);
+		error("failed to push some refs to '%s'", url[i]);
 		errs++;
 	}
 	return !!errs;
diff --git a/builtin-remote.c b/builtin-remote.c
index dfc0b9e706..406fb85255 100644
--- a/builtin-remote.c
+++ b/builtin-remote.c
@@ -999,15 +999,25 @@ static int show(int argc, const char **argv)
 	info.list = &info_list;
 	for (; argc; argc--, argv++) {
 		int i;
+		const char **url;
+		int url_nr;
 
 		get_remote_ref_states(*argv, &states, query_flag);
 
 		printf("* remote %s\n", *argv);
-		if (states.remote->url_nr) {
-			for (i=0; i < states.remote->url_nr; i++)
-				printf("  URL: %s\n", states.remote->url[i]);
-		} else
-			printf("  URL: %s\n", "(no URL)");
+		printf("  Fetch URL: %s\n", states.remote->url_nr > 0 ?
+			states.remote->url[0] : "(no URL)");
+		if (states.remote->pushurl_nr) {
+			url = states.remote->pushurl;
+			url_nr = states.remote->pushurl_nr;
+		} else {
+			url = states.remote->url;
+			url_nr = states.remote->url_nr;
+		}
+		for (i=0; i < url_nr; i++)
+			printf("  Push  URL: %s\n", url[i]);
+		if (!i)
+			printf("  Push  URL: %s\n", "(no URL)");
 		if (no_query)
 			printf("  HEAD branch: (not queried)\n");
 		else if (!states.heads.nr)
@@ -1266,14 +1276,31 @@ static int update(int argc, const char **argv)
 static int get_one_entry(struct remote *remote, void *priv)
 {
 	struct string_list *list = priv;
+	const char **url;
+	int i, url_nr;
+	void **utilp;
 
 	if (remote->url_nr > 0) {
-		int i;
-
-		for (i = 0; i < remote->url_nr; i++)
-			string_list_append(remote->name, list)->util = (void *)remote->url[i];
+		utilp = &(string_list_append(remote->name, list)->util);
+		*utilp = xmalloc(strlen(remote->url[0])+strlen(" (fetch)")+1);
+		strcpy((char *) *utilp, remote->url[0]);
+		strcat((char *) *utilp, " (fetch)");
 	} else
 		string_list_append(remote->name, list)->util = NULL;
+	if (remote->pushurl_nr) {
+		url = remote->pushurl;
+		url_nr = remote->pushurl_nr;
+	} else {
+		url = remote->url;
+		url_nr = remote->url_nr;
+	}
+	for (i = 0; i < url_nr; i++)
+	{
+		utilp = &(string_list_append(remote->name, list)->util);
+		*utilp = xmalloc(strlen(url[i])+strlen(" (push)")+1);
+		strcpy((char *) *utilp, url[i]);
+		strcat((char *) *utilp, " (push)");
+	}
 
 	return 0;
 }
@@ -1281,7 +1308,10 @@ static int get_one_entry(struct remote *remote, void *priv)
 static int show_all(void)
 {
 	struct string_list list = { NULL, 0, 0 };
-	int result = for_each_remote(get_one_entry, &list);
+	int result;
+
+	list.strdup_strings = 1;
+	result = for_each_remote(get_one_entry, &list);
 
 	if (!result) {
 		int i;
@@ -1299,6 +1329,7 @@ static int show_all(void)
 			}
 		}
 	}
+	string_list_clear(&list, 1);
 	return result;
 }
 
diff --git a/remote.c b/remote.c
index 08a59644c0..9a0397ec57 100644
--- a/remote.c
+++ b/remote.c
@@ -106,6 +106,12 @@ 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 struct remote *make_remote(const char *name, int len)
 {
 	struct remote *ret;
@@ -379,6 +385,11 @@ 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))
@@ -424,6 +435,9 @@ static void alias_all_urls(void)
 		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]);
+		}
 	}
 }
 
diff --git a/remote.h b/remote.h
index 257a55538f..5db842087d 100644
--- a/remote.h
+++ b/remote.h
@@ -15,6 +15,10 @@ struct remote {
 	int url_nr;
 	int url_alloc;
 
+	const char **pushurl;
+	int pushurl_nr;
+	int pushurl_alloc;
+
 	const char **push_refspec;
 	struct refspec *push;
 	int push_refspec_nr;
diff --git a/t/t5505-remote.sh b/t/t5505-remote.sh
index e70246b3fb..852ccb5d7d 100755
--- a/t/t5505-remote.sh
+++ b/t/t5505-remote.sh
@@ -135,7 +135,8 @@ EOF
 
 cat > test/expect << EOF
 * remote origin
-  URL: $(pwd)/one
+  Fetch URL: $(pwd)/one
+  Push  URL: $(pwd)/one
   HEAD branch: master
   Remote branches:
     master new (next fetch will store in remotes/origin)
@@ -151,7 +152,8 @@ cat > test/expect << EOF
     master pushes to master   (local out of date)
     master pushes to upstream (create)
 * remote two
-  URL: ../two
+  Fetch URL: ../two
+  Push  URL: ../three
   HEAD branch (remote HEAD is ambiguous, may be one of the following):
     another
     master
@@ -173,6 +175,7 @@ test_expect_success 'show' '
 	 git branch --track rebase origin/master &&
 	 git branch -d -r origin/master &&
 	 git config --add remote.two.url ../two &&
+	 git config --add remote.two.pushurl ../three &&
 	 git config branch.rebase.rebase true &&
 	 git config branch.octopus.merge "topic-a topic-b topic-c" &&
 	 (cd ../one &&
@@ -191,7 +194,8 @@ test_expect_success 'show' '
 
 cat > test/expect << EOF
 * remote origin
-  URL: $(pwd)/one
+  Fetch URL: $(pwd)/one
+  Push  URL: $(pwd)/one
   HEAD branch: (not queried)
   Remote branches: (status not queried)
     master
diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
index 89649e7a9b..2d2633f3f8 100755
--- a/t/t5516-fetch-push.sh
+++ b/t/t5516-fetch-push.sh
@@ -419,6 +419,19 @@ test_expect_success 'push with config remote.*.push = HEAD' '
 git config --remove-section remote.there
 git config --remove-section branch.master
 
+test_expect_success 'push with config remote.*.pushurl' '
+
+	mk_test heads/master &&
+	git checkout master &&
+	git config remote.there.url test2repo &&
+	git config remote.there.pushurl testrepo &&
+	git push there &&
+	check_push_result $the_commit heads/master
+'
+
+# clean up the cruft left with the previous one
+git config --remove-section remote.there
+
 test_expect_success 'push with dry-run' '
 
 	mk_test heads/master &&