$ git clone -n https://src.fedoraproject.org/rpms/ghc-fsnotify.git /var/lib/mock/f39-build-1716514-41229/root/chroot_tmpdir/scmroot/ghc-fsnotify
Cloning into '/var/lib/mock/f39-build-1716514-41229/root/chroot_tmpdir/scmroot/ghc-fsnotify'...
$ git fetch origin 59ace758364f19cac23fda13a1acc228301f3636:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-fsnotify
 * [new ref]         59ace758364f19cac23fda13a1acc228301f3636 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59ace75 https://hackage.haskell.org/package/fsnotify-0.4.1.0/changelog