config/shell/arch: improve yzf preview & allow multi-select

.config/shell/arch

@@ -9,28 +9,39 @@ alias pacr='pac -R'
 alias yays='noglob yay -Sy --needed --ignore ferdi'
 alias yayr='noglob yay -R'
 
+cache_dir="/tmp/yzf"
 yzf() {
   query=$(test "$1" = "Q" && echo " -l")
   sync=$(test "$1" = "S" && echo "true" || echo "")
   pos=$(test "$query" && echo 1 || echo 2)
-  cache_dir="/tmp/yzf"
   mkdir -p $cache_dir
   list_cache="$cache_dir/list_$1$2"
-  preview_cache="$cache_dir/preview_{$pos}"
   (test "$sync" && cat "$list_cache" 2>/dev/null || yay --color always -$1$2 | sed "s/ /\t/g" | tee "$list_cache") |
-    fzf --nth=$pos --multi --tiebreak=length --history=/var/tmp/fzf-history-yay \
+    fzf --nth=$pos --multi --tiebreak=length --history=/var/tmp/fzf-history-yzf \
       --bind="double-click:execute(xdg-open 'https://archlinux.org/packages/{$pos}')" \
-      --preview "$(test "$sync" && echo "cat $preview_cache 2>/dev/null | grep -v 'Querying' | grep . ||") yay --color always -$1 -i $query {$pos} | tee $preview_cache" "${@:3}" --preview-window=wrap |
-        cut -f$pos
+       "${@:3}" --preview-window=60% |
+        cut -f$pos | tr '\n' ' '
   # TODO get xdg-open URL for aur as well
   # yay -S -i {$pos} | grep URL | tail -1 | cut -d ':' -f2- | xargs xdg-open
 }
+# print -s adds a history entry
 yas() {
-  pkg=$(yzf S  l -q "$1" "${@:2}")
-  test "$pkg" && echo "Install $pkg..." && print -s "yay -S $pkg" && yay -S "$pkg"
+  preview_cache="$cache_dir/preview_{2}"
+  pkg=$(yzf S  l -q "$1" "${@:2}" --preview "cat $preview_cache 2>/dev/null | grep -v 'Querying' | grep . || yay --color always -Si {2} | tee $preview_cache")
+  if test -n "$pkg"
+    then echo "Install $pkg..."
+      cmd="yay -S $pkg"
+      print -s "$cmd"
+      eval "$cmd"
+  fi
 }
 yar() {
-  pkg=$(yzf Q "" -q "$1" "${@:2}")
-  test "$pkg" && echo "Removing $pkg..." && print -s "yay -R $pkg" && yay -R "$pkg"
+  pkg=$(yzf Q "" -q "$1" "${@:2}" --preview "yay --color always -Qli {1}")
+  if test -n "$pkg"
+    then echo "Removing $pkg..."
+      cmd="yay -R $pkg"
+      print -s "$cmd"
+      eval "$cmd"
+  fi
 }