$ git clone -n https://src.fedoraproject.org/rpms/cabal-install.git /var/lib/mock/f45-build-3994-329/root/chroot_tmpdir/scmroot/cabal-install
Cloning into '/var/lib/mock/f45-build-3994-329/root/chroot_tmpdir/scmroot/cabal-install'...
$ git fetch origin 8c6b7b9366909c759bedb129363470e7eb020895:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cabal-install
 * [new ref]         8c6b7b9366909c759bedb129363470e7eb020895 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c6b7b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild