$ git clone -n https://src.fedoraproject.org/rpms/perl-Time-Progress.git /var/lib/mock/f45-build-27177-621/root/chroot_tmpdir/scmroot/perl-Time-Progress
Cloning into '/var/lib/mock/f45-build-27177-621/root/chroot_tmpdir/scmroot/perl-Time-Progress'...
$ git fetch origin a8b0f791ef698df95b8224e68dc7f8514da4af69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Time-Progress
 * [new ref]         a8b0f791ef698df95b8224e68dc7f8514da4af69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8b0f79 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild