hg patch: add default commit text

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hg patch: add default commit text

I was doing some benchmarks via hg import and found a few patches where
the commit string ended up empty.  hg would then try to prompt you for the
commit string.  The patch below forces a default string based on the patch
name.

Signed-off-by: Chris Mason <[e-mail]>

Modified to only be added if there's no commit text - mpm

manifest hash: 35da46e3832a98e2d288604e6be8c82e85405ef8
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mercurial/commands.py

@@ -388,6 +388,9 b' def patch(ui, repo, patch1, *patches, **'
             if l[:4] == "--- ": break
             text += l
 
+        # make sure text isn't empty
+        if not text: text = "imported patch %s\n" % patch
+
         f = os.popen("lsdiff --strip %d %s" % (strip, pf))
         files = filter(None, map(lambda x: x.rstrip(), f.read().splitlines()))
         f.close()