$ git clone -n https://src.fedoraproject.org/rpms/bitwise.git /var/lib/mock/f39-build-1446266-32674/root/chroot_tmpdir/scmroot/bitwise
Cloning into '/var/lib/mock/f39-build-1446266-32674/root/chroot_tmpdir/scmroot/bitwise'...
$ git fetch origin d9beea6a5ebcc992c962a6c692c4f666f35d7b2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bitwise
 * [new ref]         d9beea6a5ebcc992c962a6c692c4f666f35d7b2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9beea6 Update to 0.50