Add override for package manager

Makefile

@@ -5,34 +5,83 @@ pak: main.go
 	
 installbinonly: pak
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
+	mkdir -p $(DESTDIR)/etc/pak.d
 
-aptinstall: pak.cfg pak
+aptinstall: plugins/apt/pak.cfg pak
-	install -Dm644 pak.cfg $(DESTDIR)/etc/pak.cfg
+	install -Dm644 plugins/apt/pak.cfg $(DESTDIR)/etc/pak.cfg
+	mkdir -p $(DESTDIR)/etc/pak.d
+	install -Dm644 plugins/snap/pak.cfg $(DESTDIR)/etc/pak.d/snap.cfg
+	install -Dm644 plugins/yay/pak.cfg $(DESTDIR)/etc/pak.d/yay.cfg
+	install -Dm644 plugins/zypper/pak.cfg $(DESTDIR)/etc/pak.d/zypper.cfg
+	install -Dm644 plugins/pacman/pak.cfg $(DESTDIR)/etc/pak.d/pacman.cfg
+	install -Dm644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.d/brew.cfg
+	install -Dm644 plugins/aptitude/pak.cfg $(DESTDIR)/etc/pak.d/aptitude.cfg
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
 
 snapinstall: plugins/snap/pak.cfg pak
 	install -Dm644 plugins/snap/pak.cfg $(DESTDIR)/etc/pak.cfg
+	mkdir -p $(DESTDIR)/etc/pak.d
+	install -Dm644 plugins/apt/pak.cfg $(DESTDIR)/etc/pak.d/apt.cfg
+	install -Dm644 plugins/yay/pak.cfg $(DESTDIR)/etc/pak.d/yay.cfg
+	install -Dm644 plugins/zypper/pak.cfg $(DESTDIR)/etc/pak.d/zypper.cfg
+	install -Dm644 plugins/pacman/pak.cfg $(DESTDIR)/etc/pak.d/pacman.cfg
+	install -Dm644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.d/brew.cfg
+	install -Dm644 plugins/aptitude/pak.cfg $(DESTDIR)/etc/pak.d/aptitude.cfg
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
 
 yayinstall: plugins/yay/pak.cfg pak
 	install -Dm644 plugins/yay/pak.cfg $(DESTDIR)/etc/pak.cfg
+	mkdir -p $(DESTDIR)/etc/pak.d
+	install -Dm644 plugins/snap/pak.cfg $(DESTDIR)/etc/pak.d/snap.cfg
+	install -Dm644 plugins/apt/pak.cfg $(DESTDIR)/etc/pak.d/apt.cfg
+	install -Dm644 plugins/zypper/pak.cfg $(DESTDIR)/etc/pak.d/zypper.cfg
+	install -Dm644 plugins/pacman/pak.cfg $(DESTDIR)/etc/pak.d/pacman.cfg
+	install -Dm644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.d/brew.cfg
+	install -Dm644 plugins/aptitude/pak.cfg $(DESTDIR)/etc/pak.d/aptitude.cfg
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
 
 pacinstall: plugins/pacman/pak.cfg pak
 	install -Dm644 plugins/pacman/pak.cfg $(DESTDIR)/etc/pak.cfg
+	mkdir -p $(DESTDIR)/etc/pak.d
+	install -Dm644 plugins/snap/pak.cfg $(DESTDIR)/etc/pak.d/snap.cfg
+	install -Dm644 plugins/yay/pak.cfg $(DESTDIR)/etc/pak.d/yay.cfg
+	install -Dm644 plugins/zypper/pak.cfg $(DESTDIR)/etc/pak.d/zypper.cfg
+	install -Dm644 plugins/apt/pak.cfg $(DESTDIR)/etc/pak.d/apt.cfg
+	install -Dm644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.d/brew.cfg
+	install -Dm644 plugins/aptitude/pak.cfg $(DESTDIR)/etc/pak.d/aptitude.cfg
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
 
 aptitude: plugins/aptitude/pak.cfg pak
 	install -Dm644 plugins/aptitude/pak.cfg $(DESTDIR)/etc/pak.cfg
+	mkdir -p $(DESTDIR)/etc/pak.d
+	install -Dm644 plugins/snap/pak.cfg $(DESTDIR)/etc/pak.d/snap.cfg
+	install -Dm644 plugins/yay/pak.cfg $(DESTDIR)/etc/pak.d/yay.cfg
+	install -Dm644 plugins/zypper/pak.cfg $(DESTDIR)/etc/pak.d/zypper.cfg
+	install -Dm644 plugins/pacman/pak.cfg $(DESTDIR)/etc/pak.d/pacman.cfg
+	install -Dm644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.d/brew.cfg
+	install -Dm644 plugins/apt/pak.cfg $(DESTDIR)/etc/pak.d/apt.cfg
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
 
 brewinstall: plugins/brew/pak.cfg pak
-	mount -uw /
+	install -Dm644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.cfg
-	install -m644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.cfg
+	mkdir -p $(DESTDIR)/etc/pak.d
-	install -m755 pak $(DESTDIR)/usr/bin/pak
+	install -Dm644 plugins/snap/pak.cfg $(DESTDIR)/etc/pak.d/snap.cfg
+	install -Dm644 plugins/yay/pak.cfg $(DESTDIR)/etc/pak.d/yay.cfg
+	install -Dm644 plugins/zypper/pak.cfg $(DESTDIR)/etc/pak.d/zypper.cfg
+	install -Dm644 plugins/pacman/pak.cfg $(DESTDIR)/etc/pak.d/pacman.cfg
+	install -Dm644 plugins/apt/pak.cfg $(DESTDIR)/etc/pak.d/apt.cfg
+	install -Dm644 plugins/aptitude/pak.cfg $(DESTDIR)/etc/pak.d/aptitude.cfg
+	install -Dm755 pak $(DESTDIR)/usr/bin/pak
 
 zyppinstall: plugins/zypper/pak.cfg pak
 	install -Dm644 plugins/zypper/pak.cfg $(DESTDIR)/etc/pak.cfg
+	mkdir -p $(DESTDIR)/etc/pak.d
+	install -Dm644 plugins/snap/pak.cfg $(DESTDIR)/etc/pak.d/snap.cfg
+	install -Dm644 plugins/yay/pak.cfg $(DESTDIR)/etc/pak.d/yay.cfg
+	install -Dm644 plugins/apt/pak.cfg $(DESTDIR)/etc/pak.d/apt.cfg
+	install -Dm644 plugins/pacman/pak.cfg $(DESTDIR)/etc/pak.d/pacman.cfg
+	install -Dm644 plugins/brew/pak.cfg $(DESTDIR)/etc/pak.d/brew.cfg
+	install -Dm644 plugins/aptitude/pak.cfg $(DESTDIR)/etc/pak.d/aptitude.cfg
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
 
 .PHONY: pak $(MAKECMDGOALS)

main.go

@@ -52,8 +52,26 @@ func main()  {
 		}
 	}
 
+	// Define variables for config file location, and override state boolean
+	var configFileLocation string
+	var isOverridden bool
+	// Get PAK_MGR_OVERRIDE environment variable
+	override := os.Getenv("PAK_MGR_OVERRIDE")
+	// If override is set
+	if override != "" {
+		// Set configFileLocation to /etc/pak.d/{override}.cfg
+		configFileLocation = "/etc/pak.d/" + override + ".cfg"
+		// Set override state to true
+		isOverridden = true
+	} else {
+		// Otherwise, set configFileLocation to default config
+		configFileLocation = "/etc/pak.cfg"
+		// Set override state to false
+		isOverridden = false
+	}
+
 	// Parse config file removing all comments and empty lines
-	config, err := ioutil.ReadFile("/etc/pak.cfg")
+	config, err := ioutil.ReadFile(configFileLocation)
 	if err != nil { log.Fatal(err) }
 	commentRegex := regexp.MustCompile(`#.*`)
 	emptyLineRegex := regexp.MustCompile(`(?m)^\s*\n`)
@@ -101,7 +119,7 @@ func main()  {
 
 	// Displays help message if no arguments provided or -h/--help is passed
 	if len(args) == 0 || Contains(args, "-h") || Contains(args, "--help") || Contains(args, "help") {
-		printHelpMessage(packageManagerCommand, useRootBool, rootCommand, commands, shortcuts)
+		printHelpMessage(packageManagerCommand, useRootBool, rootCommand, commands, shortcuts, isOverridden)
 		os.Exit(0)
 	}
 

usage.go

@@ -6,9 +6,10 @@ import (
 )
 
 // Print help screen
-func printHelpMessage(packageManagerCommand string, useRootBool bool, rootCommand string, commands []string, shortcuts []string) {
+func printHelpMessage(packageManagerCommand string, useRootBool bool, rootCommand string, commands []string, shortcuts []string, isOverridden bool) {
 	fmt.Println("Arsen Musayelyan's Package Manager Wrapper")
-	fmt.Println("Current package manager is:", packageManagerCommand)
+	fmt.Print("Current package manager is: ", packageManagerCommand)
+	if isOverridden { fmt.Println(" (overridden)") } else { fmt.Print("\n") }
 	if useRootBool { fmt.Println("Using root with command:", rootCommand) } else { fmt.Println("Not using root") }
 	fmt.Println()
 	fmt.Println("Usage: pak <command> [package]")