$ git clone -n https://src.fedoraproject.org/rpms/perl-PkgConfig-LibPkgConf.git /var/lib/mock/f45-build-25802-613/root/chroot_tmpdir/scmroot/perl-PkgConfig-LibPkgConf
Cloning into '/var/lib/mock/f45-build-25802-613/root/chroot_tmpdir/scmroot/perl-PkgConfig-LibPkgConf'...
$ git fetch origin a173a7a1a3c1c9c8bf3ed8dd012a7bdd4df35f61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PkgConfig-LibPkgConf
 * [new ref]         a173a7a1a3c1c9c8bf3ed8dd012a7bdd4df35f61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a173a7a Perl 5.44 rebuild