$ git clone -n https://src.fedoraproject.org/rpms/ghc-indents.git /var/lib/mock/f45-build-10436-416/root/chroot_tmpdir/scmroot/ghc-indents
Cloning into '/var/lib/mock/f45-build-10436-416/root/chroot_tmpdir/scmroot/ghc-indents'...
$ git fetch origin 18c20a1c1420a439a5d8023b97fce3ca3499785e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-indents
 * [new ref]         18c20a1c1420a439a5d8023b97fce3ca3499785e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18c20a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild