feat: pkgs =)

fetch/pkg.go

@@ -0,0 +1,46 @@
+package fetch
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+const (
+	installedPkgsPath    = "/var/lib/pacman/local/"
+	availableUpdatesPath = "/.cache/cupdates"
+)
+
+type PkgInfo struct {
+	Installed        int
+	AvailableUpdates int
+}
+
+func Pkgs() (*PkgInfo, error) {
+	installed, err := listPkgsPacman()
+	if err != nil {
+		return nil, err
+	}
+
+	updates, err := listUpdatesPacman()
+	if err != nil {
+		return nil, err
+	}
+
+	return &PkgInfo{installed, updates}, nil
+}
+
+func listPkgsPacman() (int, error) {
+	files, err := os.ReadDir(installedPkgsPath)
+	return len(files), err
+}
+
+func listUpdatesPacman() (int, error) {
+	path := fmt.Sprintf("%s%s", os.Getenv("HOME"), availableUpdatesPath)
+	file, err := os.ReadFile(path)
+	if err != nil {
+		return 0, err
+	}
+	return strconv.Atoi(strings.TrimSuffix(string(file), "\n"))
+}

icons.go

@@ -7,4 +7,5 @@ const (
 	UptimeIcon = ""
 	MemoryIcon = "󰍛"
 	ColorsIcon = ""
+	PkgsIcon   = ""
 )

main.go

@@ -8,12 +8,24 @@ import (
 
 func main() {
 	memory := must(fetch.Memory)
+	pkgs := must(fetch.Pkgs)
 
 	row(UserIcon, "user", must(fetch.User)+"@"+must(fetch.Hostname))
+
 	row(OsIcon, "os", must(fetch.Os))
+
 	row(KernelIcon, "kernel", must(fetch.Kernel))
+
 	row(UptimeIcon, "uptime", must(fetch.Uptime).String())
-	row(MemoryIcon, "memory", fmt.Sprintf("%d | %d MiB", memory.Used, memory.Total))
+
+	row(PkgsIcon, "pkgs",
+		conditional(pkgs.AvailableUpdates == 0,
+			fmt.Sprintf("%d", pkgs.Installed),
+			fmt.Sprintf("%d (%d)", pkgs.Installed, pkgs.AvailableUpdates),
+		),
+	)
+
+	row(MemoryIcon, "memory", fmt.Sprintf("%d / %d MiB", memory.Used, memory.Total))
 
 	show()
 }

utils.go

@@ -7,3 +7,10 @@ func must[T any](fn func() (T, error)) T {
 	}
 	return v
 }
+
+func conditional(cond bool, a, b string) string {
+	if cond {
+		return a
+	}
+	return b
+}