$ git clone -n https://src.fedoraproject.org/rpms/perl-PPI-Tester.git /var/lib/mock/f45-build-25635-612/root/chroot_tmpdir/scmroot/perl-PPI-Tester
Cloning into '/var/lib/mock/f45-build-25635-612/root/chroot_tmpdir/scmroot/perl-PPI-Tester'...
$ git fetch origin f06dd2275d1a4a0ca8cd8befdd8ffc64f561d30a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PPI-Tester
 * [new ref]         f06dd2275d1a4a0ca8cd8befdd8ffc64f561d30a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f06dd22 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild