$ git clone -n https://src.fedoraproject.org/rpms/ghc-shelly.git /var/lib/mock/f45-build-10759-424/root/chroot_tmpdir/scmroot/ghc-shelly
Cloning into '/var/lib/mock/f45-build-10759-424/root/chroot_tmpdir/scmroot/ghc-shelly'...
$ git fetch origin 9c23f993a5f782c8ea1297fef8be2cd0fe202fad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-shelly
 * [new ref]         9c23f993a5f782c8ea1297fef8be2cd0fe202fad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c23f99 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild