$ git clone -n https://src.fedoraproject.org/rpms/libpanel.git /var/lib/mock/f42-build-3427166-45202/root/chroot_tmpdir/scmroot/libpanel
Cloning into '/var/lib/mock/f42-build-3427166-45202/root/chroot_tmpdir/scmroot/libpanel'...
$ git fetch origin 02b4fa640fa0153b4c4157501098f9c3e744b04e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpanel
 * [new ref]         02b4fa640fa0153b4c4157501098f9c3e744b04e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02b4fa6 Update to 1.10.0