$ git clone -n https://src.fedoraproject.org/rpms/plasma-nano.git /var/lib/mock/f38-build-side-42-init-devel-593657-26155/root/chroot_tmpdir/scmroot/plasma-nano
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-593657-26155/root/chroot_tmpdir/scmroot/plasma-nano'...
$ git fetch origin db6fc67c3872eaeeb9f202ec123520fb531cd346:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nano
 * [new ref]         db6fc67c3872eaeeb9f202ec123520fb531cd346 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db6fc67 5.27.4