Work towards AUR completion. Right now works on fish, very inefficient, one GET for every completion

actions.go

@@ -3,7 +3,9 @@ package yay
 import (
 	"bufio"
 	"fmt"
+	"io"
 	"math"
+	"net/http"
 	"os"
 	"os/exec"
 	"strconv"
@@ -325,3 +327,17 @@ func GetPkgbuild(pkg string) (err error) {
 	err = aur.GetPkgbuild(pkg, wd)
 	return
 }
+
+func Complete() (err error) {
+	// Get the data
+	resp, err := http.Get("https://aur.archlinux.org/packages.gz")
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	_, err = io.Copy(os.Stdout, resp.Body)
+	if err != nil {
+		return err
+	}
+	return nil
+}

cmd/yay/yay.go

@@ -61,6 +61,9 @@ func parser() (op string, options []string, packages []string, err error) {
 				util.SortMode = util.BottomUp
 			case "--topdown":
 				util.SortMode = util.TopDown
+			case "--complete":
+				yay.Complete()
+				os.Exit(0)
 			case "--help":
 				usage()
 				os.Exit(0)

yay.fish

@@ -1,13 +1,14 @@
 # Completions for apacman
 # Original Author for pacman: Giorgio Lando <patroclo7@gmail.com>
 # Updated for pacman by maxfl, SanskritFritz, faho, f1u77y
-# Updated for apacman by jguer
+# Updated for yay by jguer
 
 set -l progname yay
 
 set -l listinstalled "(pacman -Q | string replace ' ' \t)"
 # This might be an issue if another package manager is also installed (e.g. for containers)
 set -l listall "(__fish_print_packages)"
+set -l listaur "(yay --complete)"
 set -l listrepos "(__fish_print_pacman_repos)"
 set -l listgroups "(pacman -Sg)\t'Package Group'"
 
@@ -117,7 +118,7 @@ complete -c $progname -n "$sync; and not __fish_contains_opt -s u sysupgrade" -s
 complete -c $progname -n "$sync; and __fish_contains_opt -s u sysupgrade" -s u -l sysupgrade -d 'Also downgrade packages'
 complete -c $progname -n $sync -s w -l downloadonly -d 'Only download the target packages'
 complete -c $progname -n $sync -s y -l refresh -d 'Download fresh copy of the package list'
-complete -c $progname -n "$sync" -xa "$listall $listgroups"
+complete -c $progname -n "$sync" -xa "$listall $listgroups $listaur"
 
 # Database options
 set -l has_db_opt '__fish_contains_opt asdeps asexplicit'