Add build-time system config directory variable

src/config.go

@@ -44,8 +44,8 @@ func readConfig() {
 		if err != nil {
 			log.Fatalf("Could not unmarshal config.yml: %s", err)
 		}
-	} else if _, err := os.Stat("/etc/typer/config.yml"); err == nil {
-		reader, err := os.Open("/etc/typer/config.yml")
+	} else if _, err := os.Stat(path.Join(sysconfdir, "typer/config.yml")); err == nil {
+		reader, err := os.Open(path.Join(sysconfdir, "typer/config.yml"))
 		if err != nil {
 			log.Fatalf("Could not read config.yml: %s", err)
 		}

src/keybindings.go

@@ -40,8 +40,8 @@ func readKeybindings() {
 		if err != nil {
 			log.Fatalf("Could not unmarshal keybindings.yml: %s", err)
 		}
-	} else if _, err := os.Stat("/etc/typer/keybindings.yml"); err == nil {
-		reader, err := os.Open("/etc/typer/keybindings.yml")
+	} else if _, err := os.Stat(path.Join(sysconfdir, "typer/keybindings.yml")); err == nil {
+		reader, err := os.Open(path.Join(sysconfdir, "typer/keybindings.yml"))
 		if err != nil {
 			log.Fatalf("Could not read keybindings.yml: %s", err)
 		}

src/main.go

@@ -5,6 +5,8 @@ import (
 	"os"
 )
 
+var sysconfdir = "/etc/"
+
 func main() {
 	// Read config
 	readConfig()

src/style.go

@@ -94,14 +94,14 @@ func readStyles() {
 			}
 		}
 	}
-	if stat, err := os.Stat("/etc/typer/styles/"); err == nil && stat.IsDir() {
-		entries, err := os.ReadDir("/etc/typer/styles/")
+	if stat, err := os.Stat(path.Join(sysconfdir, "typer/styles/")); err == nil && stat.IsDir() {
+		entries, err := os.ReadDir(path.Join(sysconfdir, "typer/styles/"))
 		if err != nil {
 			log.Fatalf("Could not read user style directory: %s", err)
 		}
 
 		for _, entry := range entries {
-			entryPath := path.Join("/etc/typer/styles/", entry.Name())
+			entryPath := path.Join(path.Join(sysconfdir, "typer/styles/"), entry.Name())
 			style, err := readStyleYamlFile(entryPath)
 			if err != nil {
 				log.Fatalf("Could not read style file (%s): %s", entryPath, err)