$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Runtime.git /var/lib/mock/f45-build-24909-607/root/chroot_tmpdir/scmroot/perl-Module-Runtime
Cloning into '/var/lib/mock/f45-build-24909-607/root/chroot_tmpdir/scmroot/perl-Module-Runtime'...
$ git fetch origin 2ca04798623f31bb0677d1f55e98dd223f615d44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Runtime
 * [new ref]         2ca04798623f31bb0677d1f55e98dd223f615d44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ca0479 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild