kakoune: create a directory for bins that kakoune needs

    paths = [ kakoune ] ++ requestedPlugins;

    postBuild = ''

      # create a directory for bins that kakoune needs

      # access to, without polluting the users path by adding

      # that binary nested with this symlinkJoin.

      mkdir -p $out/share/kak/bin

      # location of kak binary is used to find ../share/kak/autoload,

      # unless explicitly overriden with KAKOUNE_RUNTIME

      rm "$out/bin/kak"

      makeWrapper "${kakoune}/bin/kak" "$out/bin/kak" --set KAKOUNE_RUNTIME "$out/share/kak"

      makeWrapper "${kakoune}/bin/kak" "$out/bin/kak" \

        --set KAKOUNE_RUNTIME "$out/share/kak" \

        --set PATH "$PATH:$out/share/kak/bin"

      # currently kakoune ignores doc files if they are symlinks, so workaround by

      # copying doc files over, so they become regular files...