$ git clone -n https://src.fedoraproject.org/rpms/perl-Parse-PMFile.git /var/lib/mock/f45-build-25675-612/root/chroot_tmpdir/scmroot/perl-Parse-PMFile
Cloning into '/var/lib/mock/f45-build-25675-612/root/chroot_tmpdir/scmroot/perl-Parse-PMFile'...
$ git fetch origin c9f3b2b2388b5d45a68828895728f6ded0f26452:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Parse-PMFile
 * [new ref]         c9f3b2b2388b5d45a68828895728f6ded0f26452 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9f3b2b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild