$ git clone -n https://src.fedoraproject.org/rpms/ghc-hoauth2.git /var/lib/mock/f41-build-side-1-2672316-29195/root/chroot_tmpdir/scmroot/ghc-hoauth2
Cloning into '/var/lib/mock/f41-build-side-1-2672316-29195/root/chroot_tmpdir/scmroot/ghc-hoauth2'...
$ git fetch origin c1d0773c6ab9cfe6d67254a80f3bc2fcf9aa1387:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hoauth2
 * [new ref]         c1d0773c6ab9cfe6d67254a80f3bc2fcf9aa1387 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1d0773 https://hackage.haskell.org/package/hoauth2-2.10.0/changelog