X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=connect.c;h=825c439accfbb4be4daa21a4d8b33addca0cd8b2;hb=1f961c196cbb475e612a4fb082b33efde71e7a03;hp=20b80a1b54b965d4af272aa7cb7c0009c737e4dd;hpb=d59a6043a8a7aed97c684fb4f14fe5221df1fcaf;p=git.git

diff --git a/connect.c b/connect.c
index 20b80a1b..825c439a 100644
--- a/connect.c
+++ b/connect.c
@@ -82,15 +82,26 @@ int path_match(const char *path, int nr, char **match)
 struct refspec {
 	char *src;
 	char *dst;
+	char force;
 };
 
+/*
+ * A:B means fast forward remote B with local A.
+ * +A:B means overwrite remote B with local A.
+ * +A is a shorthand for +A:A.
+ * A is a shorthand for A:A.
+ */
 static struct refspec *parse_ref_spec(int nr_refspec, char **refspec)
 {
 	int i;
-	struct refspec *rs = xmalloc(sizeof(*rs) * (nr_refspec + 1));
+	struct refspec *rs = xcalloc(sizeof(*rs), (nr_refspec + 1));
 	for (i = 0; i < nr_refspec; i++) {
 		char *sp, *dp, *ep;
 		sp = refspec[i];
+		if (*sp == '+') {
+			rs[i].force = 1;
+			sp++;
+		}
 		ep = strchr(sp, ':');
 		if (ep) {
 			dp = ep + 1;
@@ -166,7 +177,8 @@ static int match_explicit_refs(struct ref *src, struct ref *dst,
 			if (matched_src)
 				break;
 			errs = 1;
-			error("src refspec %s does not match any.");
+			error("src refspec %s does not match any.",
+			      rs[i].src);
 			break;
 		default:
 			errs = 1;
@@ -215,8 +227,10 @@ static int match_explicit_refs(struct ref *src, struct ref *dst,
 			error("dst ref %s receives from more than one src.",
 			      matched_dst->name);
 		}
-		else
+		else {
 			matched_dst->peer_ref = matched_src;
+			matched_dst->force = rs[i].force;
+		}
 	}
 	return -errs;
 }
@@ -381,8 +395,17 @@ int git_connect(int fd[2], char *url, const char *prog)
 		close(pipefd[0][1]);
 		close(pipefd[1][0]);
 		close(pipefd[1][1]);
-		if (protocol == PROTO_SSH)
-			execlp("ssh", "ssh", host, command, NULL);
+		if (protocol == PROTO_SSH) {
+			const char *ssh, *ssh_basename;
+			ssh = getenv("GIT_SSH");
+			if (!ssh) ssh = "ssh";
+			ssh_basename = strrchr(ssh, '/');
+			if (!ssh_basename)
+				ssh_basename = ssh;
+			else
+				ssh_basename++;
+			execlp(ssh, ssh_basename, host, command, NULL);
+		}
 		else
 			execlp("sh", "sh", "-c", command, NULL);
 		die("exec failed");