$ git clone -n https://src.fedoraproject.org/rpms/taigo.git /var/lib/mock/f41-build-side-1-2670490-29058/root/chroot_tmpdir/scmroot/taigo
Cloning into '/var/lib/mock/f41-build-side-1-2670490-29058/root/chroot_tmpdir/scmroot/taigo'...
$ git fetch origin 66bce2440c33a71a911f30b6a9d9dce51dafad3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/taigo
 * [new ref]         66bce2440c33a71a911f30b6a9d9dce51dafad3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66bce24 convert GPLv3+ license to SPDX