$ git clone -n https://src.fedoraproject.org/rpms/john.git /var/lib/mock/f40-build-759595-120573/root/chroot_tmpdir/scmroot/john
Cloning into '/var/lib/mock/f40-build-759595-120573/root/chroot_tmpdir/scmroot/john'...
$ git fetch origin cc93d213f2e7ea0b962b3854d4f817c5fcd5499c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/john
 * [new ref]         cc93d213f2e7ea0b962b3854d4f817c5fcd5499c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc93d21 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild