add version flag and Gitea release targets

cmd/photoscli/main.go

@@ -26,6 +26,9 @@ func run(args []string, stdout, stderr io.Writer, bridge photos.Bridge) int {
 		return cmdBackupAll(args[1:], stdout, stderr, bridge)
 	case "export":
 		return cmdExport(args[1:], stdout, stderr, bridge)
+	case "version", "--version", "-v":
+		fmt.Fprintln(stdout, version)
+		return 0
 	case "help", "--help", "-h":
 		usage(stderr)
 		return 0
@@ -45,6 +48,7 @@ Usage:
   photoscli tree
   photoscli backup-all --out <dir> [--size <px>] [--originals]
   photoscli export --album-id <id> --out <dir> [--size <px>] [--originals]
+  photoscli version
 
 Commands:
   albums    List user-created albums
@@ -52,6 +56,7 @@ Commands:
   tree      Show folder and album hierarchy
   backup-all Export all albums into the Photos folder tree
   export    Export optimized JPEG previews or original files
+  version   Print version
 
 Flags:
   --album-id <id>   Album local identifier or title (required for photos/export)

cmd/photoscli/main_main.go

@@ -8,6 +8,8 @@ import (
 	"gitea.k3s.k0.nu/tools/photocli/internal/photos"
 )
 
+var version = "dev"
+
 func main() {
 	sigCh := make(chan os.Signal, 1)
 	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)

cmd/photoscli/main_test.go

@@ -106,6 +106,18 @@ func TestRunHelp(t *testing.T) {
 	}
 }
 
+func TestRunVersion(t *testing.T) {
+	for _, cmd := range []string{"version", "--version", "-v"} {
+		out, _, rc := runWith([]string{cmd}, &mockBridge{})
+		if rc != 0 {
+			t.Errorf("%s: rc = %d, want 0", cmd, rc)
+		}
+		if out == "" {
+			t.Errorf("%s: output is empty", cmd)
+		}
+	}
+}
+
 func TestRunUnknownCommand(t *testing.T) {
 	_, stderr, rc := runWith([]string{"foo"}, &mockBridge{})
 	if rc != 1 {