chore: move everything out from src

command/install.go

@@ -0,0 +1,99 @@
+package command
+
+import (
+	"alma/config"
+	"alma/helpers"
+	"errors"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"syscall"
+
+	"github.com/samber/lo"
+)
+
+type InstallCommand struct {
+}
+
+type shellNotFoundError struct {
+	shell string
+}
+
+func (e *shellNotFoundError) Error() string {
+	return "Shell not found"
+}
+
+func (InstallCommand) GetName() string {
+	return "install"
+}
+
+func (InstallCommand) GetHelpText() {
+	println("Install a package")
+}
+
+func (InstallCommand) Run(args []string) {
+	moduleInfo, err := helpers.GetModuleInfo(args)
+
+	if err != nil {
+		println(err.Error())
+		return
+	}
+
+	moduleDirectory := moduleInfo.ModuleDirectory
+
+	dryRun := lo.ContainsBy(args, func(item string) bool { return (item == "-d" || item == "--dry-run") })
+
+	almaConfigFilePath, err := os.Stat(filepath.Join(moduleDirectory, ".alma-config.json"))
+	moduleConfiguration := &config.ModuleConfiguration{}
+
+	if err != nil || almaConfigFilePath.IsDir() {
+		println("Error: .alma-config.json not found")
+		return
+	}
+
+	moduleConfiguration = config.LoadModuleConfiguration(filepath.Join(moduleDirectory, ".alma-config.json"))
+	installCommand := moduleConfiguration.Install
+
+	if dryRun {
+		println("Dry run, otherwise would run " + installCommand)
+		return
+	}
+	println("Running command: " + installCommand)
+
+	switch runtime.GOOS {
+	case "linux":
+		err := runShellCommand("sh", "-c", installCommand)
+
+		var shellNotFoundError *shellNotFoundError
+		if errors.As(err, &shellNotFoundError) {
+			println(shellNotFoundError.shell + " not found")
+		}
+
+	case "windows":
+		err := runShellCommand("pwsh", "-c", installCommand)
+
+		var shellNotFoundError *shellNotFoundError
+		if errors.As(err, &shellNotFoundError) {
+			println(shellNotFoundError.shell + " not found")
+		}
+	default:
+		println("Unsupported OS")
+	}
+}
+
+func runShellCommand(shellCommand string, args ...string) error {
+	shell, pwshErrshellErr := exec.LookPath(shellCommand)
+	if pwshErrshellErr != nil {
+		return &shellNotFoundError{shell: shellCommand}
+	}
+
+	shellArgs := append([]string{shellCommand}, args...)
+	env := os.Environ()
+	execErr := syscall.Exec(shell, shellArgs, env)
+	if execErr != nil {
+		return errors.New("Error running shell command")
+	}
+
+	return nil
+}