$ git clone -n https://src.fedoraproject.org/rpms/rust-varlink_stdinterfaces.git /var/lib/mock/f38-build-side-42-init-devel-1394820-31050/root/chroot_tmpdir/scmroot/rust-varlink_stdinterfaces
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1394820-31050/root/chroot_tmpdir/scmroot/rust-varlink_stdinterfaces'...
$ git fetch origin 51580583c0640694b94b38f130f5f1b480b965a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-varlink_stdinterfaces
 * [new ref]         51580583c0640694b94b38f130f5f1b480b965a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5158058 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild