Continued work on Windows CLI

cmd/subscribe_linux.go

@@ -0,0 +1,57 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/urfave/cli/v2"
+	"heckel.io/ntfy/client"
+	"heckel.io/ntfy/util"
+	"log"
+	"os"
+	"os/exec"
+	"os/user"
+	"path/filepath"
+)
+
+const (
+	defaultClientRootConfigFile              = "/etc/ntfy/client.yml"
+	defaultClientUserConfigFileRelative      = "ntfy/client.yml"
+	defaultClientConfigFileDescriptionSuffix = `The default config file for all client commands is /etc/ntfy/client.yml (if root user),
+or ~/.config/ntfy/client.yml for all other users.`
+)
+
+func runCommandInternal(c *cli.Context, command string, m *client.Message) error {
+	scriptFile, err := createTmpScript(command)
+	if err != nil {
+		return err
+	}
+	defer os.Remove(scriptFile)
+	verbose := c.Bool("verbose")
+	if verbose {
+		log.Printf("[%s] Executing: %s (for message: %s)", util.ShortTopicURL(m.TopicURL), command, m.Raw)
+	}
+	cmd := exec.Command("sh", "-c", scriptFile)
+	cmd.Stdin = c.App.Reader
+	cmd.Stdout = c.App.Writer
+	cmd.Stderr = c.App.ErrWriter
+	cmd.Env = envVars(m)
+	return cmd.Run()
+}
+
+func createTmpScript(command string) (string, error) {
+	scriptFile := fmt.Sprintf("%s/ntfy-subscribe-%s.sh.tmp", os.TempDir(), util.RandomString(10))
+	script := fmt.Sprintf("#!/bin/sh\n%s", command)
+	if err := os.WriteFile(scriptFile, []byte(script), 0700); err != nil {
+		return "", err
+	}
+	return scriptFile, nil
+}
+
+func defaultConfigFile() string {
+	u, _ := user.Current()
+	configFile := defaultClientRootConfigFile
+	if u.Uid != "0" {
+		homeDir, _ := os.UserConfigDir()
+		return filepath.Join(homeDir, defaultClientUserConfigFileRelative)
+	}
+	return configFile
+}