$ git clone -n https://src.fedoraproject.org/rpms/ghc-sourcemap.git /var/lib/mock/f40-build-744854-111851/root/chroot_tmpdir/scmroot/ghc-sourcemap
Cloning into '/var/lib/mock/f40-build-744854-111851/root/chroot_tmpdir/scmroot/ghc-sourcemap'...
$ git reset --hard f80f06091ba78f51eacc644b4b472fb2ba748b4f
HEAD is now at f80f060 bump release