From 544f0fdd1ad5fc8713c965ac00721ff1338eb394 Mon Sep 17 00:00:00 2001
From: rsteube <rsteube@users.noreply.github.com>
Date: Tue, 29 Nov 2022 20:35:50 +0100
Subject: [PATCH] pacman: sync - fix package search

---
 completers/pacman_completer/cmd/sync.go |  5 ++--
 pkg/actions/tools/pacman/package.go     | 34 +++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 pkg/actions/tools/pacman/package.go

diff --git a/completers/pacman_completer/cmd/sync.go b/completers/pacman_completer/cmd/sync.go
index 656924bd43..e115310d50 100644
--- a/completers/pacman_completer/cmd/sync.go
+++ b/completers/pacman_completer/cmd/sync.go
@@ -39,6 +39,7 @@ func initSyncCmd(cmd *cobra.Command) {
 	cmd.Flags().BoolP("quiet", "q", false, "show less information for query and search")
 	cmd.Flags().BoolP("refresh", "y", false, "download fresh package databases from the server")
 	cmd.Flags().StringP("root", "r", "", "set an alternate installation root")
+	cmd.Flags().StringP("search", "s", "", "search remote repositories for matching strings")
 	cmd.Flags().Bool("sysroot", false, "operate on a mounted guest system (root-only)")
 	cmd.Flags().BoolP("sysupgrade", "u", false, "upgrade installed packages (-uu enables downgrades)")
 	cmd.Flags().BoolP("verbose", "v", false, "be verbose")
@@ -58,8 +59,6 @@ func initSyncCmd(cmd *cobra.Command) {
 	})
 
 	carapace.Gen(cmd).PositionalAnyCompletion(
-		carapace.ActionCallback(func(c carapace.Context) carapace.Action {
-			return pacman.ActionPackages(pacman.PackageOption{}).Invoke(c).Filter(c.Args).ToA()
-		}),
+		pacman.ActionPackageSearch().UniqueList(","),
 	)
 }
diff --git a/pkg/actions/tools/pacman/package.go b/pkg/actions/tools/pacman/package.go
new file mode 100644
index 0000000000..059a45539e
--- /dev/null
+++ b/pkg/actions/tools/pacman/package.go
@@ -0,0 +1,34 @@
+package pacman
+
+import (
+	"regexp"
+	"strings"
+
+	"github.com/rsteube/carapace"
+	"github.com/rsteube/carapace/pkg/style"
+)
+
+// ActionPackageSearch completes installable packages
+//
+//	a2ps (An Any to PostScript filter)
+//	a52dec (A free library for decoding ATSC A/52 streams)
+func ActionPackageSearch() carapace.Action {
+	return carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+		return carapace.ActionExecCommand("pacman", "-Ss", "^"+c.CallbackValue)(func(output []byte) carapace.Action {
+			lines := strings.Split(string(output), "\n")
+			r := regexp.MustCompile(`^(?P<group>[^/]+)/(?P<name>[^ ]+) (?P<version>[^ ]+)(?P<context>.*)$`)
+
+			vals := make([]string, 0)
+			for i := 0; i < len(lines)-1; i += 2 {
+				if matches := r.FindStringSubmatch(lines[i]); matches != nil {
+					s := style.Default
+					if strings.Contains(matches[4], "[installed]") {
+						s = style.Blue
+					}
+					vals = append(vals, matches[2], strings.TrimSpace(lines[i+1]), s)
+				}
+			}
+			return carapace.ActionStyledValuesDescribed(vals...)
+		})
+	})
+}