$ git clone -n https://git.cclinux.org/stage/rpms/sos.git /var/lib/mock/dist-circle8_10-updates-build-115070-77921/root/chroot_tmpdir/scmroot/sos
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-115070-77921/root/chroot_tmpdir/scmroot/sos'...
$ git fetch origin dfb0f8f31dd5dad6e21810f06a676eb724fad0d8:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/sos
 * [new ref]         dfb0f8f31dd5dad6e21810f06a676eb724fad0d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfb0f8f import sos-4.7.1-2.el8_10