$ git clone -n https://src.fedoraproject.org/rpms/ghc-conduit.git /var/lib/mock/f40-build-743585-111265/root/chroot_tmpdir/scmroot/ghc-conduit
Cloning into '/var/lib/mock/f40-build-743585-111265/root/chroot_tmpdir/scmroot/ghc-conduit'...
$ git fetch origin 00791f05c0b4f9ee1a95c55064b9976ba0023689:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-conduit
 * [new ref]         00791f05c0b4f9ee1a95c55064b9976ba0023689 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00791f0 https://hackage.haskell.org/package/conduit-1.3.5/changelog