$ git clone -n https://src.fedoraproject.org/rpms/tcl-tkpng.git /var/lib/mock/f41-build-819180-151507/root/chroot_tmpdir/scmroot/tcl-tkpng
Cloning into '/var/lib/mock/f41-build-819180-151507/root/chroot_tmpdir/scmroot/tcl-tkpng'...
$ git fetch origin 8c5bce81c69af92d6f21bae845f0ccc251603ad8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcl-tkpng
 * [new ref]         8c5bce81c69af92d6f21bae845f0ccc251603ad8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c5bce8 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild