git-ftp-sync: Track mirror state in a remote branch. If one update fails, it will...

darcs-hash:20080427195900-f2ef6-95da2d4e784cd27ee38316452e210d813f045134.gz

diff --git a/git-ftp-sync b/git-ftp-sync
index 2425b7f44bbc1b418dd59a29b81fd4ef9d3bde48..cf5cf118ba978123c6a42e6c3779acd4cda234aa 100755 (executable)
--- a/git-ftp-sync
+++ b/git-ftp-sync
@@ -233,6 +233,13 @@ def selftest():
     print
     print "Selftest succeeded!"
 
+def update_ref(hash):
+    remote = "ftp"
+    branch = "master"
+    if (not os.path.exists("refs/remotes/"+remote)):
+        os.makedirs("refs/remotes/"+remote)
+    file("refs/remotes/"+remote+"/"+branch, "w").write(newrev+"\n")
+
 def build_change_list(changes, oldrev, newrev):
     # Read changes
     gitdiff = Popen("/usr/bin/git diff --name-status %s %s"%(oldrev, newrev),
@@ -264,6 +271,10 @@ changes = list()
 for line in sys.stdin:
     (oldrev, newrev, refname) = line.split()
     if refname == "refs/heads/master":
+        try:
+            oldref=file("refs/remotes/ftp/master").readline().strip();
+        except IOError:
+            pass
         build_change_list(changes, oldrev, newrev)
 
 if not changes:
@@ -283,7 +294,9 @@ try:
     syncer.close()
 
 except ftplib.all_errors, detail:
-    print >> sys.stderr, "FTP error: ", detail
+    print >> sys.stderr, "FTP synchronization error: ", detail
+    print >> sys.stderr, "I will try it next time again"
     sys.exit(1)
-    
-    
+
+# If succeessfull, update remote ref
+update_ref(newrev)