$ git clone -n https://src.fedoraproject.org/rpms/picard.git /var/lib/mock/f41-build-834572-158301/root/chroot_tmpdir/scmroot/picard
Cloning into '/var/lib/mock/f41-build-834572-158301/root/chroot_tmpdir/scmroot/picard'...
$ git fetch origin 77d239119ef3a3a343e3bf1928aa7f5b01018e4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/picard
 * [new ref]         77d239119ef3a3a343e3bf1928aa7f5b01018e4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77d2391 Merge #5 `Recommend rsgain, used by the ReplayGain 2.0 plugin`