From a2a2e1d4663c69e379ca2cfe83cf9d074a4c0724 Mon Sep 17 00:00:00 2001
From: Jakob Borg <jakob@nym.se>
Date: Mon, 30 Dec 2013 22:04:30 -0500
Subject: [PATCH] Atomically replace local index cache
---
main.go | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/main.go b/main.go
index eadaf9a14..c49b7652f 100644
--- a/main.go
+++ b/main.go
@@ -304,13 +304,15 @@ func updateLocalModel(m *Model) {
}
func saveIndex(m *Model) {
- fname := fmt.Sprintf("%x.idx", sha1.Sum([]byte(m.Dir())))
- idxf, err := os.Create(path.Join(ConfDir, fname))
+ name := fmt.Sprintf("%x.idx", sha1.Sum([]byte(m.Dir())))
+ fullName := path.Join(ConfDir, name)
+ idxf, err := os.Create(fullName + ".tmp")
if err != nil {
return
}
protocol.WriteIndex(idxf, m.ProtocolIndex())
idxf.Close()
+ os.Rename(fullName+".tmp", fullName)
}
func loadIndex(m *Model) {
--
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