$ git clone -n https://src.fedoraproject.org/rpms/apron.git /var/lib/mock/f39-build-2378684-60439/root/chroot_tmpdir/scmroot/apron
Cloning into '/var/lib/mock/f39-build-2378684-60439/root/chroot_tmpdir/scmroot/apron'...
$ git fetch origin 174a748b1f7425d7d4c2ccc610d8f14629abc43b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apron
 * [new ref]         174a748b1f7425d7d4c2ccc610d8f14629abc43b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 174a748 Version 0.9.14