$ git clone -n https://src.fedoraproject.org/rpms/perl-Exporter.git /var/lib/mock/f45-build-23414-597/root/chroot_tmpdir/scmroot/perl-Exporter
Cloning into '/var/lib/mock/f45-build-23414-597/root/chroot_tmpdir/scmroot/perl-Exporter'...
$ git fetch origin 18e658dc6ce122e56ecde2e1146595ac666d37b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Exporter
 * [new ref]         18e658dc6ce122e56ecde2e1146595ac666d37b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18e658d Increase release to favour standalone package