$ git clone -n https://src.fedoraproject.org/rpms/slick-greeter.git /var/lib/mock/f39-build-1625402-39165/root/chroot_tmpdir/scmroot/slick-greeter
Cloning into '/var/lib/mock/f39-build-1625402-39165/root/chroot_tmpdir/scmroot/slick-greeter'...
$ git fetch origin 7e5d27b0569dff5ccb2e602f85ec4b568f6fe4a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/slick-greeter
 * [new ref]         7e5d27b0569dff5ccb2e602f85ec4b568f6fe4a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e5d27b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild