$ git clone -n https://src.fedoraproject.org/rpms/perl-TermReadKey.git /var/lib/mock/f41-build-815852-149783/root/chroot_tmpdir/scmroot/perl-TermReadKey
Cloning into '/var/lib/mock/f41-build-815852-149783/root/chroot_tmpdir/scmroot/perl-TermReadKey'...
$ git fetch origin 3077bc6d4e4a947d3f7c863384fdee3e6a14f7ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-TermReadKey
 * [new ref]         3077bc6d4e4a947d3f7c863384fdee3e6a14f7ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3077bc6 Perl 5.40 rebuild