cherry-pick: 4046 darwin service message

Merge in DNS/adguard-home from 4046-log-dir to master

Closes #4046.

Squashed commit of the following:

commit 05140550b14f477f52487c575f56428ce9e6fa10
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jan 5 17:54:11 2022 +0500

    all: add macOS service msg

internal/home/home.go

@@ -393,9 +393,9 @@ func run(args options, clientBuildFS fs.FS) {
 	// Go memory hacks
 	memoryUsage(args)
 
-	// print the first message after logger is configured
+	// Print the first message after logger is configured.
 	log.Println(version.Full())
-	log.Debug("Current working directory is %s", Context.workDir)
+	log.Debug("current working directory is %s", Context.workDir)
 	if args.runningAsService {
 		log.Info("AdGuard Home is running as a service")
 	}
@@ -631,13 +631,13 @@ func configureLogger(args options) {
 		log.SetLevel(log.DEBUG)
 	}
 
-	// Make sure that we see the microseconds in logs, as networking stuff
+	// Make sure that we see the microseconds in logs, as networking stuff can
-	// can happen pretty quickly.
+	// happen pretty quickly.
 	log.SetFlags(log.LstdFlags | log.Lmicroseconds)
 
 	if args.runningAsService && ls.LogFile == "" && runtime.GOOS == "windows" {
-		// When running as a Windows service, use eventlog by default if nothing else is configured
+		// When running as a Windows service, use eventlog by default if nothing
-		// Otherwise, we'll simply loose the log output
+		// else is configured.  Otherwise, we'll simply lose the log output.
 		ls.LogFile = configSyslog
 	}
 

internal/home/service.go

@@ -82,6 +82,12 @@ func svcStatus(s service.Service) (status service.Status, err error) {
 // On OpenWrt, the service utility may not exist.  We use our service script
 // directly in this case.
 func svcAction(s service.Service, action string) (err error) {
+	if runtime.GOOS == "darwin" &&
+		action == "start" &&
+		!strings.HasPrefix(Context.workDir, "/Applications/") {
+		log.Info("warning: service must be started from within the /Applications directory")
+	}
+
 	err = service.Control(s, action)
 	if err != nil && service.Platform() == "unix-systemv" &&
 		(action == "start" || action == "stop" || action == "restart") {

scripts/install.sh

@@ -272,32 +272,12 @@ fix_darwin() {
 		return 0
 	fi
 
-	if [ "$cpu" = 'arm64' ]
-	then
-		case "$channel"
-		in
-		('beta'|'development'|'edge')
-			# Everything is fine, we have Apple Silicon support on
-			# these channels.
-			;;
-		('release')
-			cpu='amd64'
-			log "use $cpu build on Mac M1 until the native ARM support is added."
-			;;
-		(*)
-			# Generally shouldn't happen, since the release channel
-			# has already been validated.
-			error_exit "invalid channel '$channel'"
-			;;
-		esac
-	fi
-
 	# Set the package extension.
 	pkg_ext='zip'
 
-	# It is important to install AdGuard Home into the /Applications
+	# It is important to install AdGuard Home into the /Applications directory
-	# directory on macOS.  Otherwise, it may not grant enough privileges to
+	# on macOS.  Otherwise, it may grant not enough privileges to the AdGuard
-	# the AdGuard Home.
+	# Home.
 	out_dir='/Applications'
 }