$ git clone -n https://src.fedoraproject.org/rpms/ghc-haxr.git /var/lib/mock/f40-build-748312-113745/root/chroot_tmpdir/scmroot/ghc-haxr
Cloning into '/var/lib/mock/f40-build-748312-113745/root/chroot_tmpdir/scmroot/ghc-haxr'...
$ git reset --hard ce7c0e8ee6c4d68227f852a36f70b2f2079f8060
HEAD is now at ce7c0e8 https://hackage.haskell.org/package/haxr-3000.11.5/changelog