hg import error checking

hg import error checking

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hg import error checking

From: Chris Mason <[e-mail]>

hg import wasn't checking the return value of patch
and wasn't making sure the list of files collected
was unique.

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--- a/mercurial/commands.py	Thu Jun 23 13:28:47 2005 -0800
+++ b/mercurial/commands.py	Thu Jun 23 13:29:35 2005 -0800
@@ -397,8 +397,13 @@
             if not quiet:
                 print l
             if l[:14] == 'patching file ':
-                files.append(l[14:])
-        f.close()
+                pf = l[14:]
+                if pf not in files:
+                    files.append(pf)
+        patcherr = f.close()
+        if patcherr:
+            sys.stderr.write("patch failed")
+            sys.exit(1)
 
         if len(files) > 0:
             addremove(ui, repo, *files)