logging with logrus

Makefile

@@ -5,6 +5,7 @@ get:
 	go get github.com/dlasky/gotk3-layershell/layershell
 	go get github.com/joshuarubin/go-sway
 	go get github.com/allan-simon/go-singleinstance
+	go get "github.com/sirupsen/logrus"
 
 build:
 	go build -o bin/nwg-drawer *.go

go.mod

@@ -7,4 +7,5 @@ require (
 	github.com/dlasky/gotk3-layershell v0.0.0-20210331230524-5cca0b819261
 	github.com/gotk3/gotk3 v0.6.0
 	github.com/joshuarubin/go-sway v0.0.4
+	github.com/sirupsen/logrus v1.8.1
 )

go.sum

@@ -1,7 +1,8 @@
 github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37 h1:28uU3TtuvQ6KRndxg9TrC868jBWmSKgh0GTXkACCXmA=
 github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37/go.mod h1:6AXRstqK+32jeFmw89QGL2748+dj34Av4xc/I9oo9BY=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dlasky/gotk3-layershell v0.0.0-20210331230524-5cca0b819261 h1:eoXn91ckLWKMXmQKX34UHEF2XMyQpRnnP80fDiu+kys=
 github.com/dlasky/gotk3-layershell v0.0.0-20210331230524-5cca0b819261/go.mod h1:d56Gslp3IaiT8lqxD/lO1Msz1wYgD8D/HTKHgSdg9tU=
 github.com/gotk3/gotk3 v0.5.3-0.20210223154815-289cfb6dbf32/go.mod h1:/hqFpkNa9T3JgNAE2fLvCdov7c5bw//FHNZrZ3Uv9/Q=
@@ -13,7 +14,10 @@ github.com/joshuarubin/lifecycle v1.0.0 h1:N/lPEC8f+dBZ1Tn99vShqp36LwB+LI7XNAiNa
 github.com/joshuarubin/lifecycle v1.0.0/go.mod h1:sRy++ATvR9Ee21tkRdFkQeywAWvDsue66V70K0Dnl54=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
+github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 go.uber.org/atomic v1.3.2 h1:2Oa65PReHzfn29GpvgsYwloV9AVFHPDk8tYxt2c2tr4=
@@ -22,3 +26,5 @@ go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 golang.org/x/sync v0.0.0-20190412183630-56d357773e84 h1:IqXQ59gzdXv58Jmm2xn0tSOR9i6HqroaOFRQ3wR/dJQ=
 golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

main.go

@@ -3,7 +3,6 @@ package main
 import (
 	"flag"
 	"fmt"
-	"log"
 	"os"
 	"os/signal"
 	"path/filepath"
@@ -12,6 +11,8 @@ import (
 	"syscall"
 	"time"
 
+	log "github.com/sirupsen/logrus"
+
 	"github.com/allan-simon/go-singleinstance"
 	"github.com/dlasky/gotk3-layershell/layershell"
 	"github.com/gotk3/gotk3/gdk"
@@ -141,7 +142,7 @@ func main() {
 		for {
 			s := <-signalChan
 			if s == syscall.SIGTERM {
-				println("SIGTERM received, bye bye!")
+				log.Info("SIGTERM received, bye bye!")
 				gtk.MainQuit()
 			}
 		}
@@ -155,7 +156,7 @@ func main() {
 		if err == nil {
 			i, err := strconv.Atoi(pid)
 			if err == nil {
-				println("Running instance found, sending SIGTERM and exiting...")
+				log.Info("Running instance found, sending SIGTERM and exiting...")
 				syscall.Kill(i, syscall.SIGTERM)
 			}
 		}
@@ -167,7 +168,7 @@ func main() {
 	if *lang == "" && os.Getenv("LANG") != "" {
 		*lang = strings.Split(os.Getenv("LANG"), ".")[0]
 	}
-	println(fmt.Sprintf("lang: %s", *lang))
+	log.Info(fmt.Sprintf("lang: %s", *lang))
 
 	// ENVIRONMENT
 	configDirectory = configDir()
@@ -187,7 +188,7 @@ func main() {
 	if err != nil {
 		pinned = nil
 	}
-	println(fmt.Sprintf("Found %v pinned items", len(pinned)))
+	log.Info(fmt.Sprintf("Found %v pinned items", len(pinned)))
 
 	cssFile := filepath.Join(configDirectory, *cssFileName)
 
@@ -196,7 +197,7 @@ func main() {
 	setUpCategories()
 
 	desktopFiles := listDesktopFiles()
-	println(fmt.Sprintf("Found %v desktop files", len(desktopFiles)))
+	log.Info(fmt.Sprintf("Found %v desktop files", len(desktopFiles)))
 
 	status = parseDesktopFiles(desktopFiles)
 
@@ -205,9 +206,9 @@ func main() {
 	paFile := filepath.Join(configDirectory, "preferred-apps.json")
 	preferredApps, err = loadPreferredApps(paFile)
 	if err != nil {
-		println(fmt.Sprintf("Custom associations file %s not found or invalid", paFile))
+		log.Error(fmt.Sprintf("Custom associations file %s not found or invalid", paFile))
 	} else {
-		println(fmt.Sprintf("Found %v associations in %s", len(preferredApps), paFile))
+		log.Info(fmt.Sprintf("Found %v associations in %s", len(preferredApps), paFile))
 	}
 
 	// USER INTERFACE
@@ -217,10 +218,10 @@ func main() {
 
 	err = cssProvider.LoadFromPath(cssFile)
 	if err != nil {
-		println(fmt.Sprintf("ERROR: %s css file not found or erroneous. Using GTK styling.", cssFile))
+		log.Errorf("ERROR: %s css file not found or erroneous. Using GTK styling.", cssFile)
-		println(fmt.Sprintf("%s", err))
+		log.Errorf("%s", err)
 	} else {
-		println(fmt.Sprintf("Using style from %s", cssFile))
+		log.Info(fmt.Sprintf("Using style from %s", cssFile))
 		screen, _ := gdk.ScreenGetDefault()
 		gtk.AddProviderForScreen(screen, cssProvider, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
 	}
@@ -242,7 +243,7 @@ func main() {
 				layershell.SetMonitor(win, monitor)
 
 			} else {
-				println(fmt.Sprintf("%s", err))
+				log.Errorf("%s", err)
 			}
 		}
 
@@ -307,7 +308,7 @@ func main() {
 		This feature is not really supported and will stay undocumented.
 	*/
 	if !wayland() {
-		println("Not Wayland, oh really?")
+		log.Info("Not Wayland, oh really?")
 		win.SetDecorated(false)
 		win.Maximize()
 	}
@@ -400,6 +401,6 @@ func main() {
 	}
 
 	t := time.Now()
-	println(fmt.Sprintf("UI created in %v ms. Thank you for your patience.", t.Sub(timeStart).Milliseconds()))
+	log.Info(fmt.Sprintf("UI created in %v ms. Thank you for your patience.", t.Sub(timeStart).Milliseconds()))
 	gtk.Main()
 }

tools.go

@@ -8,7 +8,6 @@ import (
 	"io"
 	"io/fs"
 	"io/ioutil"
-	"log"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -17,6 +16,8 @@ import (
 	"strings"
 	"time"
 
+	log "github.com/sirupsen/logrus"
+
 	"github.com/gotk3/gotk3/gdk"
 	"github.com/gotk3/gotk3/glib"
 	"github.com/gotk3/gotk3/gtk"
@@ -49,7 +50,7 @@ func createPixbuf(icon string, size int) (*gdk.Pixbuf, error) {
 	if strings.Contains(icon, "/") {
 		pixbuf, err := gdk.PixbufNewFromFileAtSize(icon, size, size)
 		if err != nil {
-			println(fmt.Sprintf("%s", err))
+			log.Errorf("%s", err)
 			return nil, err
 		}
 		return pixbuf, nil
@@ -92,7 +93,7 @@ func mapXdgUserDirs() map[string]string {
 
 	userDirsFile := filepath.Join(home, ".config/user-dirs.dirs")
 	if pathExists(userDirsFile) {
-		println(fmt.Sprintf("Using XDG user dirs from %s", userDirsFile))
+		log.Info(fmt.Sprintf("Using XDG user dirs from %s", userDirsFile))
 		lines, _ := loadTextFile(userDirsFile)
 		for _, l := range lines {
 			if strings.HasPrefix(l, "XDG_DOCUMENTS_DIR") {
@@ -116,7 +117,7 @@ func mapXdgUserDirs() map[string]string {
 			}
 		}
 	} else {
-		println(fmt.Sprintf("%s file not found, using defaults", userDirsFile))
+		log.Warnf("%s file not found, using defaults", userDirsFile)
 	}
 
 	return result
@@ -177,13 +178,13 @@ func createDir(dir string) {
 	if _, err := os.Stat(dir); os.IsNotExist(err) {
 		err := os.MkdirAll(dir, os.ModePerm)
 		if err == nil {
-			fmt.Println("Creating dir:", dir)
+			log.Infof("Creating dir: %s", dir)
 		}
 	}
 }
 
 func copyFile(src, dst string) error {
-	fmt.Println("Copying file:", dst)
+	log.Infof("Copying file: %s", dst)
 
 	var err error
 	var srcfd *os.File
@@ -378,7 +379,7 @@ func parseDesktopFiles(desktopFiles []string) string {
 		return desktopEntries[i].NameLoc < desktopEntries[j].NameLoc
 	})
 	summary := fmt.Sprintf("%v entries (+%v hidden)", len(desktopEntries)-hidden, hidden)
-	println(fmt.Sprintf("Skipped %v duplicates; %v .desktop entries hidden by \"NoDisplay=true\"", skipped, hidden))
+	log.Infof("Skipped %v duplicates; %v .desktop entries hidden by \"NoDisplay=true\"", skipped, hidden)
 	return summary
 }
 
@@ -471,20 +472,20 @@ func loadTextFile(path string) ([]string, error) {
 func pinItem(itemID string) {
 	for _, item := range pinned {
 		if item == itemID {
-			println(item, "already pinned")
+			log.Warn(item, "already pinned")
 			return
 		}
 	}
 	pinned = append(pinned, itemID)
 	savePinned()
-	println(itemID, "pinned")
+	log.Infof("%s pinned", itemID)
 }
 
 func unpinItem(itemID string) {
 	if isIn(pinned, itemID) {
 		pinned = remove(pinned, itemID)
 		savePinned()
-		println(itemID, "unpinned")
+		log.Infof("%s unpinned", itemID)
 	}
 }
 
@@ -510,7 +511,7 @@ func savePinned() {
 			_, err := f.WriteString(line + "\n")
 
 			if err != nil {
-				println("Error saving pinned", err)
+				log.Errorf("Error saving pinned", err)
 			}
 		}
 	}
@@ -560,7 +561,7 @@ func launch(command string, terminal bool) {
 	}
 
 	msg := fmt.Sprintf("env vars: %s; command: '%s'; args: %s\n", envVars, elements[cmdIdx], elements[1+cmdIdx:])
-	println(msg)
+	log.Info(msg)
 
 	go cmd.Run()