$ git clone -n https://src.fedoraproject.org/rpms/ghc-setenv.git /var/lib/mock/f45-build-10745-424/root/chroot_tmpdir/scmroot/ghc-setenv
Cloning into '/var/lib/mock/f45-build-10745-424/root/chroot_tmpdir/scmroot/ghc-setenv'...
$ git fetch origin 382a9094f477f3a70e745a2095a06fff64989439:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-setenv
 * [new ref]         382a9094f477f3a70e745a2095a06fff64989439 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 382a909 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild