subrepo: ensure "lock.release()" execution at the end of "_cachestorehash()"
authorFUJIWARA Katsunori <foozy@lares.dti.ne.jp>
Fri, 20 Jun 2014 00:21:19 +0900
changeset 21886 b9e8fdc35daf
parent 21885 fe9db58b0b2d
child 21887 9aaffb22d7d7
subrepo: ensure "lock.release()" execution at the end of "_cachestorehash()" Before this patch, "lock.release()" for "self._repo" in "_cachestorehash()" of "hgsubrepo" may not be executed, if unexpected exception is raised, because it isn't executed in "finally" clause. This patch ensures "lock.release()" execution at the end of "_cachestorehash()" by moving it into "finally" clause.
mercurial/subrepo.py
--- a/mercurial/subrepo.py	Fri Jun 20 00:21:19 2014 +0900
+++ b/mercurial/subrepo.py	Fri Jun 20 00:21:19 2014 +0900
@@ -586,14 +586,16 @@
         '''
         cachefile = self._getstorehashcachepath(remotepath)
         lock = self._repo.lock()
-        storehash = list(self._calcstorehash(remotepath))
-        cachedir = os.path.dirname(cachefile)
-        if not os.path.exists(cachedir):
-            util.makedirs(cachedir, notindexed=True)
-        fd = open(cachefile, 'w')
-        fd.writelines(storehash)
-        fd.close()
-        lock.release()
+        try:
+            storehash = list(self._calcstorehash(remotepath))
+            cachedir = os.path.dirname(cachefile)
+            if not os.path.exists(cachedir):
+                util.makedirs(cachedir, notindexed=True)
+            fd = open(cachefile, 'w')
+            fd.writelines(storehash)
+            fd.close()
+        finally:
+            lock.release()
 
     @annotatesubrepoerror
     def _initrepo(self, parentrepo, source, create):