$ git clone -n https://src.fedoraproject.org/rpms/acpitool.git /var/lib/mock/f41-build-side-1-2631395-25705/root/chroot_tmpdir/scmroot/acpitool
Cloning into '/var/lib/mock/f41-build-side-1-2631395-25705/root/chroot_tmpdir/scmroot/acpitool'...
$ git fetch origin 5caa08a94bb055cd159b77be86bda8ed10a5e094:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/acpitool
 * [new ref]         5caa08a94bb055cd159b77be86bda8ed10a5e094 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5caa08a convert GPLv2+ license to SPDX