$ git clone -n https://src.fedoraproject.org/rpms/python-botocore.git /var/lib/mock/f39-build-2234784-53410/root/chroot_tmpdir/scmroot/python-botocore
Cloning into '/var/lib/mock/f39-build-2234784-53410/root/chroot_tmpdir/scmroot/python-botocore'...
$ git fetch origin 1683e50444016fdb655e944bbad4c4100a4b0e09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-botocore
 * [new ref]         1683e50444016fdb655e944bbad4c4100a4b0e09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1683e50 1.34.16