modes/mirror: make Updated unchanged if no new commits fetched (gogs#4341)

After sync mirror, get latest commit date and compare to current
repository updated time, only update it if the commit date is newer.

Author: unknwon

gogs.go

@@ -16,7 +16,7 @@ import (
 	"github.com/gogits/gogs/pkg/setting"
 )
 
-const APP_VER = "0.11.5.0406"
+const APP_VER = "0.11.6.0406"
 
 func init() {
 	setting.AppVer = APP_VER

models/mirror.go

@@ -184,7 +184,7 @@ func (m *Mirror) SaveAddress(addr string) error {
 		return fmt.Errorf("Load: %v", err)
 	}
 
-	cfg.Section("remote \"origin\"").Key("url").SetValue(escapeMirrorCredentials(addr))
+	cfg.Section(`remote "origin"`).Key("url").SetValue(escapeMirrorCredentials(addr))
 	return cfg.SaveToIndent(configPath, "\t")
 }
 
@@ -320,9 +320,19 @@ func SyncMirrors() {
 			continue
 		}
 
-		// Update repository last updated time
-		if _, err = x.Exec("UPDATE repository SET updated_unix = ? WHERE id = ?", time.Now().Unix(), m.RepoID); err != nil {
+		// Get latest commit date and compare to current repository updated time,
+		// update if latest commit date is newer.
+		commitDate, err := git.GetLatestCommitDate(m.Repo.RepoPath(), "")
+		if err != nil {
+			log.Error(2, "GetLatestCommitDate [%s]: %v", m.RepoID, err)
+			continue
+		} else if commitDate.Before(m.Repo.Updated) {
+			continue
+		}
+
+		if _, err = x.Exec("UPDATE repository SET updated_unix = ? WHERE id = ?", commitDate.Unix(), m.RepoID); err != nil {
 			log.Error(2, "Update repository 'updated_unix' [%s]: %v", m.RepoID, err)
+			continue
 		}
 	}
 }

templates/.VERSION

@@ -1 +1 @@
-0.11.5.0406
+0.11.6.0406

vendor/github.com/gogits/git-module/git.go

@@ -177,10 +177,10 @@
 			"revisionTime": "2016-08-10T03:50:02Z"
 		},
 		{
-			"checksumSHA1": "XT0fyELKMKgb4XeMAtIrmi4SetM=",
+			"checksumSHA1": "OmDPIa3NWPpl/rItpYC/Ig/m/gI=",
 			"path": "github.com/gogits/git-module",
-			"revision": "2a496cad1f36aed60b14844b33b68eb3edfc2718",
-			"revisionTime": "2017-04-04T05:59:12Z"
+			"revision": "1ebf9618c02c9480312bb55bccda7886c8d4caac",
+			"revisionTime": "2017-04-07T00:57:10Z"
 		},
 		{
 			"checksumSHA1": "D2kVXl0QpIw6t3891Sl7IM9wL+w=",