$ git clone -n https://src.fedoraproject.org/rpms/ghc-with-location.git /var/lib/mock/f45-build-47391-867/root/chroot_tmpdir/scmroot/ghc-with-location
Cloning into '/var/lib/mock/f45-build-47391-867/root/chroot_tmpdir/scmroot/ghc-with-location'...
$ git fetch origin fab57371eeecec715f5625b34a3377fda59a11ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-with-location
 * [new ref]         fab57371eeecec715f5625b34a3377fda59a11ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fab5737 Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild