$ git clone -n https://src.fedoraproject.org/rpms/gnupg2.git /var/lib/mock/f40-build-786640-134473/root/chroot_tmpdir/scmroot/gnupg2
Cloning into '/var/lib/mock/f40-build-786640-134473/root/chroot_tmpdir/scmroot/gnupg2'...
$ git fetch origin 5935367039ce411362f30d07c7869f45ac48edff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnupg2
 * [new ref]         5935367039ce411362f30d07c7869f45ac48edff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5935367 Add dependency to run TPM2 tests