Add git_remote_new

As we no longer expose the transport functions, this is now the only
way to connect to a remote when given an URL instead of a remote name

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

include/git2/remote.h

@@ -46,6 +46,18 @@ GIT_BEGIN_DECL
  */
 
 /**
+ * Create a new unnamed remote
+ *
+ * Useful when you don't want to store the remote
+ *
+ * @param out pointer to the new remote object
+ * @param repo the associtated repository
+ * @param url the remote repository's URL
+ * @return GIT_SUCCESS or an error message
+ */
+int git_remote_new(git_remote **out, git_repository *repo, const char *url);
+
+/**
  * Get the information for a particular remote
  *
  * @param out pointer to the new remote object

src/remote.c

@@ -74,6 +74,26 @@ static int parse_remote_refspec(git_config *cfg, git_refspec *refspec, const cha
 	return refspec_parse(refspec, val);
 }
 
+int git_remote_new(git_remote **out, git_repository *repo, const char *url)
+{
+	git_remote *remote;
+
+	remote = git__malloc(sizeof(git_remote));
+	if (remote == NULL)
+		return GIT_ENOMEM;
+
+	memset(remote, 0x0, sizeof(git_remote));
+	remote->repo = repo;
+	remote->url = git__strdup(url);
+	if (remote->url == NULL) {
+		free(remote);
+		return GIT_ENOMEM;
+	}
+
+	*out = remote;
+	return GIT_SUCCESS;
+}
+
 int git_remote_get(git_remote **out, git_config *cfg, const char *name)
 {
 	git_remote *remote;