$ git clone -n https://src.fedoraproject.org/rpms/ghc-warp.git /var/lib/mock/f31-build-55054-28083/root/chroot_tmpdir/scmroot/ghc-warp
Cloning into '/var/lib/mock/f31-build-55054-28083/root/chroot_tmpdir/scmroot/ghc-warp'...
$ git reset --hard c8ef178e7715eb8f70b96ed57292282e522a0da2
HEAD is now at c8ef178 update to 3.2.25