$ git clone -n https://src.fedoraproject.org/rpms/ghc-tasty-hunit.git /var/lib/mock/f41-build-839433-160145/root/chroot_tmpdir/scmroot/ghc-tasty-hunit
Cloning into '/var/lib/mock/f41-build-839433-160145/root/chroot_tmpdir/scmroot/ghc-tasty-hunit'...
$ git fetch origin 81ac732b5c287691d6c428ad2ebefb461cc0a370:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-tasty-hunit
 * [new ref]         81ac732b5c287691d6c428ad2ebefb461cc0a370 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81ac732 https://hackage.haskell.org/package/tasty-hunit-0.10.2/changelog