$ git clone -n https://src.fedoraproject.org/rpms/perl-Parse-Distname.git /var/lib/mock/f45-build-25668-612/root/chroot_tmpdir/scmroot/perl-Parse-Distname
Cloning into '/var/lib/mock/f45-build-25668-612/root/chroot_tmpdir/scmroot/perl-Parse-Distname'...
$ git fetch origin e48693dc55f8f82837c6a972164470249569e191:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Parse-Distname
 * [new ref]         e48693dc55f8f82837c6a972164470249569e191 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e48693d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild