$ git clone -n https://src.fedoraproject.org/rpms/aws-c-cal.git /var/lib/mock/f41-build-844877-162646/root/chroot_tmpdir/scmroot/aws-c-cal
Cloning into '/var/lib/mock/f41-build-844877-162646/root/chroot_tmpdir/scmroot/aws-c-cal'...
$ git fetch origin f4a9d1625074ffd98824c7c704d55f23d6ffe5bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aws-c-cal
 * [new ref]         f4a9d1625074ffd98824c7c704d55f23d6ffe5bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4a9d16 Update to 0.7.2 upstream release