Add 'custom' module

src/modules.go

@@ -399,4 +399,37 @@ func initializeModuleMap() {
 		return builder.String()
 	}}
 	RegisterModule(monitorsModule)
+
+	// Custom module
+	customModule := StormfetchModule{stormfetchModuleConfig: stormfetchModuleConfig{Name: "custom"}, Execute: func(sm StormfetchModule) string {
+		shell, _ := sm.GetData("shell", "/bin/sh")
+		commandList, _ := sm.GetData("commands", make([]any, 0))
+
+		// Exeucte all commands
+		commandOutput := make(map[int]string)
+		for i, value := range commandList.([]any) {
+			command, ok := value.(string)
+			if !ok {
+				continue
+			}
+
+			commandOutput[i+1] = runCommand(command, shell.(string))
+		}
+
+		return os.Expand(sm.Format, func(s string) string {
+			if len(s) <= 4 || !strings.HasPrefix(s, "CMD_") {
+				return ""
+			}
+
+			commandIndexStr := strings.Split(s, "CMD_")[1]
+
+			commandIndex, err := strconv.Atoi(commandIndexStr)
+			if err != nil {
+				return ""
+			}
+
+			return commandOutput[commandIndex]
+		})
+	}}
+	RegisterModule(customModule)
 }

src/system.go

@@ -138,21 +138,6 @@ func GetKernel() (string, string) {
 }
 
 func GetInitSystem() string {
-	runCommand := func(command string) string {
-		cmd := exec.Command("/bin/sh", "-c", command)
-		workdir, err := os.Getwd()
-		if err != nil {
-			return ""
-		}
-		cmd.Dir = workdir
-		cmd.Env = os.Environ()
-		out, err := cmd.Output()
-		if err != nil {
-			return ""
-		}
-		return strings.TrimSpace(string(out))
-	}
-
 	process, err := ps.FindProcess(1)
 	if err != nil {
 		return ""
@@ -161,19 +146,19 @@ func GetInitSystem() string {
 	// Special cases
 	// OpenRC check
 	if _, err := os.Stat("/usr/sbin/openrc"); err == nil {
-		return "OpenRC " + runCommand("openrc --version | awk '{print $3}'")
+		return "OpenRC " + runCommand("openrc --version | awk '{print $3}'", "/bin/sh")
 	}
 
 	// Default PID 1 process name checking
 	switch process.Executable() {
 	case "systemd":
-		return "Systemd " + runCommand("systemctl --version | head -n1 | awk '{print $2}'")
+		return "Systemd " + runCommand("systemctl --version | head -n1 | awk '{print $2}'", "/bin/sh")
 	case "runit":
 		return "Runit"
 	case "dinit":
-		return "Dinit " + runCommand("dinit --version | head -n1 | awk '{print substr($3, 1, length($3)-1)}'")
+		return "Dinit " + runCommand("dinit --version | head -n1 | awk '{print substr($3, 1, length($3)-1)}'", "/bin/sh")
 	case "enit":
-		return "Enit " + runCommand("enit --version | awk '{print $3}'")
+		return "Enit " + runCommand("enit --version | awk '{print $3}'", "/bin/sh")
 	default:
 		return process.Executable()
 	}

src/user.go

@@ -3,7 +3,6 @@ package main
 import (
 	"log"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"slices"
 	"strconv"
@@ -19,20 +18,6 @@ type DEWM struct {
 }
 
 func GetShell() string {
-	runCommand := func(command string) string {
-		cmd := exec.Command("/bin/sh", "-c", command)
-		workdir, err := os.Getwd()
-		if err != nil {
-			return ""
-		}
-		cmd.Dir = workdir
-		cmd.Env = os.Environ()
-		out, err := cmd.Output()
-		if err != nil {
-			return ""
-		}
-		return strings.TrimSpace(string(out))
-	}
 	file, err := os.ReadFile("/etc/passwd")
 	if err != nil {
 		return ""
@@ -54,13 +39,13 @@ func GetShell() string {
 	case "dash":
 		return "Dash"
 	case "bash":
-		return "Bash " + runCommand("echo $BASH_VERSION")
+		return "Bash " + runCommand("echo $BASH_VERSION", "/bin/sh")
 	case "zsh":
-		return "Zsh " + runCommand("$SHELL --version | awk '{print $2}'")
+		return "Zsh " + runCommand("$SHELL --version | awk '{print $2}'", "/bin/sh")
 	case "fish":
-		return "Fish " + runCommand("$SHELL --version | awk '{print $3}'")
+		return "Fish " + runCommand("$SHELL --version | awk '{print $3}'", "/bin/sh")
 	case "nu":
-		return "Nushell " + runCommand("$SHELL --version")
+		return "Nushell " + runCommand("$SHELL --version", "/bin/sh")
 	default:
 		return "Unknown"
 	}
@@ -79,53 +64,39 @@ func GetDEWM() DEWM {
 	processExists := func(process string) bool {
 		return slices.Contains(executables, process)
 	}
-	runCommand := func(command string) string {
-		cmd := exec.Command("/bin/sh", "-c", command)
-		workdir, err := os.Getwd()
-		if err != nil {
-			return ""
-		}
-		cmd.Dir = workdir
-		cmd.Env = os.Environ()
-		out, err := cmd.Output()
-		if err != nil {
-			return ""
-		}
-		return strings.TrimSpace(string(out))
-	}
 	if processExists("plasmashell") {
 		dewm := DEWM{
 			Name:    "KDE Plasma",
 			Type:    "DE",
-			Version: runCommand("plasmashell --version | awk '{print $2}'"),
+			Version: runCommand("plasmashell --version | awk '{print $2}'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("gnome-session") {
 		dewm := DEWM{
 			Name:    "Gnome",
 			Type:    "DE",
-			Version: runCommand("gnome-shell --version | awk '{print $3}'"),
+			Version: runCommand("gnome-shell --version | awk '{print $3}'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("xfce4-session") {
 		dewm := DEWM{
 			Name:    "XFCE",
 			Type:    "DE",
-			Version: runCommand("xfce4-session --version | head -n1 | awk '{print $2}'"),
+			Version: runCommand("xfce4-session --version | head -n1 | awk '{print $2}'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("cinnamon") {
 		dewm := DEWM{
 			Name:    "Cinnamon",
 			Type:    "DE",
-			Version: runCommand("cinnamon --version | awk '{print $3}'"),
+			Version: runCommand("cinnamon --version | awk '{print $3}'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("mate-panel") {
 		dewm := DEWM{
 			Name:    "MATE",
 			Type:    "DE",
-			Version: runCommand("mate-about --version | awk '{print $4}'"),
+			Version: runCommand("mate-about --version | awk '{print $4}'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("lxsession") {
@@ -139,23 +110,23 @@ func GetDEWM() DEWM {
 		dewm := DEWM{
 			Name:    "LXQt",
 			Type:    "DE",
-			Version: runCommand("lxqt-session --version | head -n1 | awk '{print $2}'"),
+			Version: runCommand("lxqt-session --version | head -n1 | awk '{print $2}'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("i3") || processExists("i3-with-shmlog") {
 		dewm := DEWM{
 			Name:    "i3",
 			Type:    "WM",
-			Version: runCommand("i3 --version | awk '{print $3}'"),
+			Version: runCommand("i3 --version | awk '{print $3}'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("sway") {
 		dewm := DEWM{
 			Name:    "Sway",
 			Type:    "WM",
-			Version: runCommand("sway --version | awk '{print $3}'"),
+			Version: runCommand("sway --version | awk '{print $3}'", "/bin/sh"),
 		}
-		if runCommand("sway --version | awk '{print $1}'") == "swayfx" {
+		if runCommand("sway --version | awk '{print $1}'", "/bin/sh") == "swayfx" {
 			dewm.Name = "SwayFX"
 		} else {
 			dewm.Name = "Sway"
@@ -165,21 +136,21 @@ func GetDEWM() DEWM {
 		dewm := DEWM{
 			Name:    "Bspwm",
 			Type:    "WM",
-			Version: runCommand("bspwm -v"),
+			Version: runCommand("bspwm -v", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("Hyprland") {
 		dewm := DEWM{
 			Name:    "Hyprland",
 			Type:    "WM",
-			Version: runCommand("hyprctl version | sed -n 3p | awk '{print $2}' | tr -d 'v,'"),
+			Version: runCommand("hyprctl version | sed -n 3p | awk '{print $2}' | tr -d 'v,'", "/bin/sh"),
 		}
 		return dewm
 	} else if processExists("icewm-session") {
 		dewm := DEWM{
 			Name:    "IceWM",
 			Type:    "WM",
-			Version: runCommand("icewm --version | awk '{print $2}'"),
+			Version: runCommand("icewm --version | awk '{print $2}'", "/bin/sh"),
 		}
 		return dewm
 	}

src/utils.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"math"
 	"os"
+	"os/exec"
 	"regexp"
 	"strings"
 )
@@ -56,3 +57,18 @@ func ReadKeyValueFile(filepath string) (map[string]string, error) {
 	}
 	return ret, nil
 }
+
+func runCommand(command string, shell string) string {
+	cmd := exec.Command(shell, "-c", command)
+	workdir, err := os.Getwd()
+	if err != nil {
+		return ""
+	}
+	cmd.Dir = workdir
+	cmd.Env = os.Environ()
+	out, err := cmd.Output()
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(string(out))
+}