Release 2.7.2+1: stop auto-apply update loop; check-only on start, apply on button with skip/opt-in.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/update/update.go

@@ -16,12 +16,27 @@ import (
 	"time"
 )
 
-// CurrentVersion is the shipped client version.
-const CurrentVersion = "2.7.1"
+// CurrentVersion is the product/semver used for update eligibility (feed "version").
+// Keep major.minor.patch only — no build suffix here.
+const CurrentVersion = "2.7.2"
+
+// BuildNumber is the monotonic build within CurrentVersion (Windows FileVersion 4th part,
+// macOS CFBundleVersion suffix, Android versionCode low digits). Bump on every release build.
+const BuildNumber = 1
 
 // DefaultManifestURL is the update feed (hosted in the project git repo).
 const DefaultManifestURL = "https://git.evilfox.cc/test2/navi/raw/branch/main/dist/update.json"
 
+// DisplayVersion is shown in the UI (product + build), e.g. "2.7.2+1".
+func DisplayVersion() string {
+	return fmt.Sprintf("%s+%d", CurrentVersion, BuildNumber)
+}
+
+// FileVersionDots is Major.Minor.Patch.Build for Windows resources / CFBundleVersion.
+func FileVersionDots() string {
+	return fmt.Sprintf("%s.%d", CurrentVersion, BuildNumber)
+}
+
 // PlatformAsset is one OS/arch binary in the feed.
 type PlatformAsset struct {
 	URL       string `json:"url"`
@@ -90,7 +105,7 @@ func Check(ctx context.Context, manifestURL string) (Status, error) {
 		manifestURL = DefaultManifestURL
 	}
 	key := PlatformKey()
-	st := Status{Current: CurrentVersion, ManifestURL: manifestURL, Platform: key}
+	st := Status{Current: DisplayVersion(), ManifestURL: manifestURL, Platform: key}
 
 	m, err := fetchManifest(ctx, manifestURL)
 	if err != nil {
@@ -109,38 +124,46 @@ func Check(ctx context.Context, manifestURL string) (Status, error) {
 	}
 	st.URL = url
 	st.SHA256 = sha
+	// Product-only compare: build numbers must not keep offering an update after install
+	// when feed version equals CurrentVersion (e.g. 2.7.2 vs local 2.7.2+1).
 	st.Available = Compare(st.Latest, CurrentVersion) > 0 && url != ""
 	return st, nil
 }
 
-// Compare returns 1 if a>b, -1 if a<b, 0 if equal (semver-ish dotted ints).
+// Compare returns 1 if a>b, -1 if a<b, 0 if equal.
+//
+// Update rule: only product semver (major.minor.patch) counts. Build metadata
+// ("+N", "-suffix", or a 4th dotted component) is ignored so a just-updated app
+// on the same product version is never treated as outdated vs the same feed.
 func Compare(a, b string) int {
-	as := splitVer(a)
-	bs := splitVer(b)
-	n := len(as)
-	if len(bs) > n {
-		n = len(bs)
-	}
-	for i := 0; i < n; i++ {
-		var ai, bi int
-		if i < len(as) {
-			ai = as[i]
-		}
-		if i < len(bs) {
-			bi = bs[i]
-		}
-		if ai > bi {
+	as := productParts(a)
+	bs := productParts(b)
+	for i := 0; i < 3; i++ {
+		if as[i] > bs[i] {
 			return 1
 		}
-		if ai < bi {
+		if as[i] < bs[i] {
 			return -1
 		}
 	}
 	return 0
 }
 
+func productParts(v string) [3]int {
+	parts := splitVer(v)
+	var out [3]int
+	for i := 0; i < 3 && i < len(parts); i++ {
+		out[i] = parts[i]
+	}
+	return out
+}
+
 func splitVer(v string) []int {
 	v = strings.TrimPrefix(strings.TrimSpace(v), "v")
+	// Strip build metadata: 2.7.2+1 / 2.7.2-beta → compare product only.
+	if i := strings.IndexAny(v, "+-"); i >= 0 {
+		v = v[:i]
+	}
 	parts := strings.Split(v, ".")
 	out := make([]int, 0, len(parts))
 	for _, p := range parts {
@@ -149,9 +172,6 @@ func splitVer(v string) []int {
 			out = append(out, 0)
 			continue
 		}
-		if i := strings.IndexAny(p, "-+"); i >= 0 {
-			p = p[:i]
-		}
 		n, _ := strconv.Atoi(p)
 		out = append(out, n)
 	}
@@ -172,7 +192,7 @@ func fetchManifest(ctx context.Context, manifestURL string) (Manifest, error) {
 	if err != nil {
 		return Manifest{}, err
 	}
-	req.Header.Set("User-Agent", "Navis/"+CurrentVersion)
+	req.Header.Set("User-Agent", "Navis/"+DisplayVersion())
 	req.Header.Set("Accept", "application/json")
 	client := &http.Client{Timeout: 20 * time.Second}
 	resp, err := client.Do(req)
@@ -195,7 +215,7 @@ func downloadFile(ctx context.Context, url, dest string) error {
 	if err != nil {
 		return err
 	}
-	req.Header.Set("User-Agent", "Navis/"+CurrentVersion)
+	req.Header.Set("User-Agent", "Navis/"+DisplayVersion())
 	client := &http.Client{Timeout: 10 * time.Minute}
 	resp, err := client.Do(req)
 	if err != nil {
@@ -227,7 +247,8 @@ func fileSHA256(path string) (string, error) {
 	return hex.EncodeToString(h.Sum(nil)), nil
 }
 
-// prepareDownload fetches the update next to the running binary as "<exe>.new".
+// prepareDownload fetches the update next to the running binary as temp download.
+// Refuses when already on/newer than the feed product version (no re-apply loop).
 func prepareDownload(ctx context.Context, manifestURL string) (latest, url, sha, exePath, tmpPath string, err error) {
 	st, err := Check(ctx, manifestURL)
 	if err != nil {
@@ -237,7 +258,7 @@ func prepareDownload(ctx context.Context, manifestURL string) (latest, url, sha,
 		if st.Error != "" {
 			return "", "", "", "", "", fmt.Errorf("%s", st.Error)
 		}
-		return "", "", "", "", "", fmt.Errorf("обновление не найдено")
+		return "", "", "", "", "", fmt.Errorf("уже актуальная версия %s (канал %s)", DisplayVersion(), st.Latest)
 	}
 	if !allowedDownloadURL(st.URL) {
 		return "", "", "", "", "", fmt.Errorf("URL обновления должен быть на git.evilfox.cc или files.de4ima.uk")
@@ -250,6 +271,9 @@ func prepareDownload(ctx context.Context, manifestURL string) (latest, url, sha,
 	if err != nil {
 		return "", "", "", "", "", err
 	}
+	if resolved, err := filepath.EvalSymlinks(exe); err == nil && resolved != "" {
+		exe = resolved
+	}
 	tmp := filepath.Join(filepath.Dir(exe), ".navis-update-download")
 	_ = os.Remove(tmp)
 	// Also clear legacy leftover from older updaters.