$ git clone -n https://src.fedoraproject.org/rpms/chordpro.git /var/lib/mock/f45-build-3940-329/root/chroot_tmpdir/scmroot/chordpro
Cloning into '/var/lib/mock/f45-build-3940-329/root/chroot_tmpdir/scmroot/chordpro'...
$ git fetch origin 171e9666511aef74c3a6acb659873de4f6aad802:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chordpro
 * [new ref]         171e9666511aef74c3a6acb659873de4f6aad802 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 171e966 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild