feat: write env for nu, sh, and ps1

Signed-off-by: jolheiser <john.olheiser@gmail.com>

meta/meta.go

@@ -84,10 +84,6 @@ func metaPath() (string, error) {
 	return xdg.ConfigFile("eget/packages.json")
 }
 
-func nushellPath() (string, error) {
-	return xdg.DataFile("eget/eget.nu")
-}
-
 func save(m Meta) error {
 	fp, err := metaPath()
 	if err != nil {
@@ -104,32 +100,47 @@ func save(m Meta) error {
 		return err
 	}
 
-	fp, err = nushellPath()
+	if err := m.writeShellEnv("nu"); err != nil {
-	if err != nil {
+		return err
-		return fmt.Errorf("could not get nushell path: %w", err)
 	}
-	fi, err = os.Create(fp)
+	if err := m.writeShellEnv("sh"); err != nil {
-	if err != nil {
+		return err
-		return fmt.Errorf("could not create nushell file: %w", err)
 	}
-	defer fi.Close()
+	if err := m.writeShellEnv("ps1"); err != nil {
-	out, err := m.nushell()
+		return err
-	if err != nil {
-		return fmt.Errorf("could not generate nushell environment: %w", err)
 	}
-	fi.WriteString(out)
 
 	return nil
 }
 
-func (m Meta) nushell() (string, error) {
+func (m Meta) writeShellEnv(shell string) error {
-	tmpl := "let-env PATH = ($env.PATH | append '%s')\n"
+	var tmpl string
+	switch shell {
+	case "nu":
+		tmpl = "let-env PATH = ($env.PATH | append '%s')\n"
+	case "sh":
+		tmpl = "PATH=$PATH:%s\n"
+	case "ps1":
+		tmpl = `$env:Path = "$env:Path;%s"` + "\n"
+	default:
+		return errors.New("shell not recognized")
+	}
+	fp, err := xdg.DataFile("eget/eget." + shell)
+	if err != nil {
+		return err
+	}
+	fi, err := os.Create(fp)
+	if err != nil {
+		return err
+	}
+	defer fi.Close()
 
 	var out strings.Builder
 	out.WriteString("# managed by eget; DO NOT EDIT\n\n")
 	for name := range m.Packages {
 		out.WriteString(fmt.Sprintf(tmpl, disk.Path(name)))
 	}
+	fi.WriteString(out.String())
 
-	return out.String(), nil
+	return nil
 }