From 6065b6cb93b1f5576107b47de14d8f1f74cd8779 Mon Sep 17 00:00:00 2001
From: Jakob Borg <jakob@nym.se>
Date: Thu, 24 Jul 2014 12:59:51 +0200
Subject: [PATCH] Don't consider prereleases for -upgrade (fixes #436)

---
 cmd/syncthing/upgrade_supported.go | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/cmd/syncthing/upgrade_supported.go b/cmd/syncthing/upgrade_supported.go
index c7f70c57f..05e61c4ce 100644
--- a/cmd/syncthing/upgrade_supported.go
+++ b/cmd/syncthing/upgrade_supported.go
@@ -27,9 +27,9 @@ import (
 )
 
 type githubRelease struct {
-	Tag      string        `json:"tag_name"`
-	Prelease bool          `json:"prerelease"`
-	Assets   []githubAsset `json:"assets"`
+	Tag        string        `json:"tag_name"`
+	Prerelease bool          `json:"prerelease"`
+	Assets     []githubAsset `json:"assets"`
 }
 
 type githubAsset struct {
@@ -49,7 +49,7 @@ func upgrade() error {
 		return err
 	}
 
-	resp, err := http.Get("https://api.github.com/repos/calmh/syncthing/releases?per_page=1")
+	resp, err := http.Get("https://api.github.com/repos/calmh/syncthing/releases?per_page=10")
 	if err != nil {
 		return err
 	}
@@ -58,10 +58,17 @@ func upgrade() error {
 	json.NewDecoder(resp.Body).Decode(&rels)
 	resp.Body.Close()
 
-	if len(rels) != 1 {
-		return fmt.Errorf("Unexpected number of releases: %d", len(rels))
+	var rel githubRelease
+	for _, trel := range rels {
+		if !trel.Prerelease {
+			rel = trel
+			break
+		}
+	}
+
+	if len(rel.Tag) == 0 {
+		return errors.New("no suitable release found")
 	}
-	rel := rels[0]
 
 	switch compareVersions(rel.Tag, Version) {
 	case -1: