$ git clone -n https://src.fedoraproject.org/rpms/pnglite.git /var/lib/mock/f40-build-2023775-46932/root/chroot_tmpdir/scmroot/pnglite
Cloning into '/var/lib/mock/f40-build-2023775-46932/root/chroot_tmpdir/scmroot/pnglite'...
$ git fetch origin aa5b363ce478c5a375a6ba5c50f3241bdd6b51f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pnglite
 * [new ref]         aa5b363ce478c5a375a6ba5c50f3241bdd6b51f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa5b363 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild