$ git clone -n https://src.fedoraproject.org/rpms/maven-wagon.git /var/lib/mock/f38-build-side-42-init-devel-785020-27955/root/chroot_tmpdir/scmroot/maven-wagon
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-785020-27955/root/chroot_tmpdir/scmroot/maven-wagon'...
$ git fetch origin 8b477262f5864b2625b622715d96c11ce88b37b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-wagon
 * [new ref]         8b477262f5864b2625b622715d96c11ce88b37b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b47726 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild