$ git clone -n https://src.fedoraproject.org/rpms/perl-Finance-Quote.git /var/lib/mock/f42-build-side-1-3582676-46886/root/chroot_tmpdir/scmroot/perl-Finance-Quote
Cloning into '/var/lib/mock/f42-build-side-1-3582676-46886/root/chroot_tmpdir/scmroot/perl-Finance-Quote'...
$ git fetch origin 8651398b21699e50c67366f901e04ee263a95a98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Finance-Quote
 * [new ref]         8651398b21699e50c67366f901e04ee263a95a98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8651398 Update to 1.66