Windows: Make OpenSSH properly detect tty detachment.

diff --git a/builtin-receive-pack.c b/builtin-receive-pack.c
index 9f60f31c2bb7da7095de8d692d215c485ab5da0c..7f9f134806766244bf1eb3de2de3a823a62b180a 100644 (file)
--- a/builtin-receive-pack.c
+++ b/builtin-receive-pack.c
@@ -11,6 +11,7 @@
 
 static const char receive_pack_usage[] = "git-receive-pack <git-dir>";
 
+static int deny_deletes = 0;
 static int deny_non_fast_forwards = 0;
 static int receive_fsck_objects;
 static int receive_unpack_limit = -1;
@@ -23,6 +24,11 @@ static int capabilities_sent;
 
 static int receive_pack_config(const char *var, const char *value, void *cb)
 {
+       if (strcmp(var, "receive.denydeletes") == 0) {
+               deny_deletes = git_config_bool(var, value);
+               return 0;
+       }
+
        if (strcmp(var, "receive.denynonfastforwards") == 0) {
                deny_non_fast_forwards = git_config_bool(var, value);
                return 0;
@@ -185,6 +191,12 @@ static const char *update(struct command *cmd)
                      "but I can't find it!", sha1_to_hex(new_sha1));
                return "bad pack";
        }
+       if (deny_deletes && is_null_sha1(new_sha1) &&
+           !is_null_sha1(old_sha1) &&
+           !prefixcmp(name, "refs/heads/")) {
+               error("denying ref deletion for %s", name);
+               return "deletion prohibited";
+       }
        if (deny_non_fast_forwards && !is_null_sha1(new_sha1) &&
            !is_null_sha1(old_sha1) &&
            !prefixcmp(name, "refs/heads/")) {
@@ -224,7 +236,7 @@ static const char *update(struct command *cmd)
                        warning ("Allowing deletion of corrupt ref.");
                        old_sha1 = NULL;
                }
-               if (delete_ref(name, old_sha1)) {
+               if (delete_ref(name, old_sha1, 0)) {
                        error("failed to delete %s", name);
                        return "failed to delete";
                }