Let push-pending finish searching before displaying

bin/git-push-pending

@@ -1,8 +1,10 @@
 #!/bin/sh
 
-git-pending "$@" \
+repositories=$(git-pending "$@" \
 	| grep '^ahead' \
 	| lua -e 'for line in io.lines() do print(line:match("[^/]+$")); print((line:gsub("^[^ ]* ", ""))) end' \
+)
+echo "$repositories" \
 	| zenity --list --column Repository --column Path --text "Repositories that need pushing:" --multiple --title "Git" --separator ';' --width 800 --height 300 --print-column=2 2>/dev/null \
 	| tr ';' '\n' \
 	| xargs -L 1 -I€ sh -c 'cd € && git push'