$ git clone -n https://src.fedoraproject.org/rpms/asahi-installer.git /var/lib/mock/f39-build-1494791-34543/root/chroot_tmpdir/scmroot/asahi-installer
Cloning into '/var/lib/mock/f39-build-1494791-34543/root/chroot_tmpdir/scmroot/asahi-installer'...
$ git fetch origin fb68ade87292d3210fbe8845da829add6b1187c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/asahi-installer
 * [new ref]         fb68ade87292d3210fbe8845da829add6b1187c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb68ade Update to 0.6.9