$ git clone -n https://src.fedoraproject.org/rpms/asahi-scripts.git /var/lib/mock/f39-build-1466083-33644/root/chroot_tmpdir/scmroot/asahi-scripts
Cloning into '/var/lib/mock/f39-build-1466083-33644/root/chroot_tmpdir/scmroot/asahi-scripts'...
$ git fetch origin 21dad697e219e8437dcc09066f4103d46afcc4e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/asahi-scripts
 * [new ref]         21dad697e219e8437dcc09066f4103d46afcc4e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21dad69 Fix trigger for asahi-fwupdate