Add CLI output sort functions

.gitignore

@@ -15,3 +15,4 @@
 # Dependency directories (remove the comment below to include it)
 # vendor/
 
+.lumerc

cmd/ls.go

@@ -4,10 +4,6 @@ import (
 	"flag"
 )
 
-var (
-	idWidth, locationWidth, groupWidth, labelWidth, lastSeenWidth, powerWidth int
-)
-
 func init() {
 	var cmdName string = "ls"
 	fs := flag.NewFlagSet(cmdName, flag.ExitOnError)

cmd/lume/init_windows.go

@@ -0,0 +1,19 @@
+// +build windows
+
+// https://stackoverflow.com/a/52579002
+
+package main
+
+import (
+	"os"
+
+	"golang.org/x/sys/windows"
+)
+
+func init() {
+	stdout := windows.Handle(os.Stdout.Fd())
+	var originalMode uint32
+
+	windows.GetConsoleMode(stdout, &originalMode)
+	windows.SetConsoleMode(stdout, originalMode|windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+}

cmd/lume/main.go

@@ -9,25 +9,23 @@ import (
 	lifx "git.kill0.net/chill9/lume"
 	lumecmd "git.kill0.net/chill9/lume/cmd"
 	"github.com/BurntSushi/toml"
-
-	"golang.org/x/sys/windows"
 )
 
-const lumercFile = ".lumerc"
+const lumercFile string = ".lumerc"
 
 func main() {
-	var originalMode uint32
-	stdout := windows.Handle(os.Stdout.Fd())
-
-	windows.GetConsoleMode(stdout, &originalMode)
-	windows.SetConsoleMode(stdout, originalMode|windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING)
-	defer windows.SetConsoleMode(stdout, originalMode)
-
 	var config lumecmd.Config
-	config = loadConfig()
 
-	if config.AccessToken == "" {
+	configPath := getConfigPath()
-		config.AccessToken = os.Getenv("LIFX_ACCESS_TOKEN")
+	if _, err := toml.DecodeFile(configPath, &config); err != nil {
+		fmt.Printf("fatal: failed to parse %s\n", configPath)
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	envAccessToken := os.Getenv("LIFX_ACCESS_TOKEN")
+	if envAccessToken != "" {
+		config.AccessToken = envAccessToken
 	}
 
 	if config.AccessToken == "" {
@@ -54,7 +52,7 @@ func main() {
 	fs := cmd.Flags
 	fs.Parse(os.Args[2:])
 
-	cmdArgs.Flags = lumecmd.Flags{fs}
+	cmdArgs.Flags = lumecmd.Flags{FlagSet: fs}
 	exitCode, err := cmd.Func(cmdArgs)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "fatal: %s\n", err)
@@ -62,10 +60,10 @@ func main() {
 	os.Exit(exitCode)
 }
 
-func loadConfig() lumecmd.Config {
+func getConfigPath() string {
-	var config lumecmd.Config
 	var tryPath, configPath string
 
+	// ~/.lumerc
 	homeDir, err := os.UserHomeDir()
 	if err == nil {
 		tryPath = path.Join(homeDir, lumercFile)
@@ -74,6 +72,7 @@ func loadConfig() lumecmd.Config {
 		}
 	}
 
+	// ./.lumerc
 	cwd, err := os.Getwd()
 	if err == nil {
 		tryPath = path.Join(cwd, lumercFile)
@@ -82,9 +81,5 @@ func loadConfig() lumecmd.Config {
 		}
 	}
 
-	if configPath != "" {
+	return configPath
-		toml.DecodeFile(configPath, &config)
-	}
-
-	return config
 }

cmd/util.go

@@ -2,11 +2,12 @@ package lumecmd
 
 import (
 	"fmt"
+	"sort"
 	"strconv"
 	"strings"
 	"time"
 
-	"git.kill0.net/chill9/lume"
+	lifx "git.kill0.net/chill9/lume"
 )
 
 func powerColor(s string) string {
@@ -28,78 +29,88 @@ func statusColor(s lifx.Status) string {
 }
 
 func PrintResults(res []lifx.Result) {
-	var length, idWidth, labelWidth, statusWidth int
+	var length int
+	var widths map[string]int
+
+	widths = make(map[string]int)
 
 	for _, r := range res {
 		length = len(r.Id)
-		if idWidth < length {
+		if widths["id"] < length {
-			idWidth = length
+			widths["id"] = length
 		}
 
 		length = len(r.Label)
-		if labelWidth < length {
+		if widths["label"] < length {
-			labelWidth = length
+			widths["label"] = length
 		}
 
 		length = len(r.Status)
-		if statusWidth < length {
+		if widths["status"] < length {
-			statusWidth = length
+			widths["status"] = length
 		}
 	}
 
+	sortResults(res)
+
 	for _, r := range res {
 		fmt.Printf("%*s %*s %*s\n",
-			idWidth, r.Id,
+			widths["id"], r.Id,
-			labelWidth, r.Label,
+			widths["label"], r.Label,
-			statusWidth, statusColor(r.Status))
+			widths["status"], statusColor(r.Status))
 	}
 }
 
 func PrintLights(lights []lifx.Light) {
 	var length int
+	var widths map[string]int
+
+	widths = make(map[string]int)
 
 	for _, l := range lights {
 		length = len(l.Id)
-		if idWidth < length {
+		if widths["id"] < length {
-			idWidth = length
+			widths["id"] = length
 		}
 
 		length = len(l.Location.Name)
-		if locationWidth < length {
+		if widths["location"] < length {
-			locationWidth = length
+			widths["location"] = length
 		}
 
 		length = len(l.Group.Name)
-		if groupWidth < length {
+		if widths["group"] < length {
-			groupWidth = length
+			widths["group"] = length
 		}
 
 		length = len(l.Label)
-		if labelWidth < length {
+		if widths["label"] < length {
-			labelWidth = length
+			widths["label"] = length
 		}
 
 		length = len(l.LastSeen.Local().Format(time.RFC3339))
-		if lastSeenWidth < length {
+		if widths["last_seen"] < length {
-			lastSeenWidth = length
+			widths["last_seen"] = length
 		}
 
 		length = len(l.Power)
-		if powerWidth < length {
+		if widths["power"] < length {
-			powerWidth = length
+			widths["power"] = length
 		}
 	}
 
+	sortLights(lights)
+
 	fmt.Printf("total %d\n", len(lights))
 	for _, l := range lights {
 		fmt.Printf(
 			"%*s %*s %*s %*s %*s %-*s\n",
-			idWidth, l.Id,
+			widths["id"], l.Id,
-			locationWidth, l.Location.Name,
+			widths["loction"], l.Location.Name,
-			groupWidth, l.Group.Name,
+			widths["group"], l.Group.Name,
-			labelWidth, l.Label,
+			widths["label"], l.Label,
-			lastSeenWidth, l.LastSeen.Local().Format(time.RFC3339),
+			widths["last_seen"], l.LastSeen.Local().Format(time.RFC3339),
-			powerWidth, powerColor(l.Power),
+			widths["power"], powerColor(l.Power),
 		)
 	}
 }
@@ -121,3 +132,22 @@ func parseRGB(s string) (lifx.RGBColor, error) {
 	}
 	return lifx.NewRGBColor(uint8(r), uint8(g), uint8(b))
 }
+
+func sortLights(lights []lifx.Light) {
+	sort.Slice(lights, func(i, j int) bool {
+		if lights[i].Group.Name < lights[j].Group.Name {
+			return true
+		}
+		if lights[i].Group.Name > lights[j].Group.Name {
+			return false
+		}
+		return lights[i].Label < lights[j].Label
+
+	})
+}
+
+func sortResults(res []lifx.Result) {
+	sort.Slice(res, func(i, j int) bool {
+		return res[i].Label < res[j].Label
+	})
+}