$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Template-Simple.git /var/lib/mock/f45-build-27148-621/root/chroot_tmpdir/scmroot/perl-Text-Template-Simple
Cloning into '/var/lib/mock/f45-build-27148-621/root/chroot_tmpdir/scmroot/perl-Text-Template-Simple'...
$ git fetch origin cf0761c57c8664cb02562d9cfeb440e1e3a674c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Template-Simple
 * [new ref]         cf0761c57c8664cb02562d9cfeb440e1e3a674c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf0761c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild