$ git clone -n https://src.fedoraproject.org/rpms/python-nh3.git /var/lib/mock/f41-build-side-1-2814750-32949/root/chroot_tmpdir/scmroot/python-nh3
Cloning into '/var/lib/mock/f41-build-side-1-2814750-32949/root/chroot_tmpdir/scmroot/python-nh3'...
$ git fetch origin 5fd8e76a9ca4773253cdc6bd515c7bf37c66fde5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nh3
 * [new ref]         5fd8e76a9ca4773253cdc6bd515c7bf37c66fde5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fd8e76 Fix automatic provides on Python extension due to SONAME