$ git clone -n https://src.fedoraproject.org/rpms/ghc-resolv.git /var/lib/mock/f39-build-1712224-41228/root/chroot_tmpdir/scmroot/ghc-resolv
Cloning into '/var/lib/mock/f39-build-1712224-41228/root/chroot_tmpdir/scmroot/ghc-resolv'...
$ git fetch origin bfe48f38292f5704479e6253933d68ba1b8ae9b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-resolv
 * [new ref]         bfe48f38292f5704479e6253933d68ba1b8ae9b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfe48f3 https://hackage.haskell.org/package/resolv-0.2.0.2/changelog