$ git clone -n https://src.fedoraproject.org/rpms/protontricks.git /var/lib/mock/f39-build-1518775-35812/root/chroot_tmpdir/scmroot/protontricks
Cloning into '/var/lib/mock/f39-build-1518775-35812/root/chroot_tmpdir/scmroot/protontricks'...
$ git fetch origin d7cf418f9b1f5323d6e4d2b2a5df11cafe2e52fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/protontricks
 * [new ref]         d7cf418f9b1f5323d6e4d2b2a5df11cafe2e52fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7cf418 chore(update): 1.10.5 (rf#2237480)