$ git clone -n https://src.fedoraproject.org/rpms/ghc-text-short.git /var/lib/mock/f45-build-10847-424/root/chroot_tmpdir/scmroot/ghc-text-short
Cloning into '/var/lib/mock/f45-build-10847-424/root/chroot_tmpdir/scmroot/ghc-text-short'...
$ git fetch origin 342403f0a08d8581a59dead128f27af50f643047:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-text-short
 * [new ref]         342403f0a08d8581a59dead128f27af50f643047 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 342403f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild