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revset: follow(nosuchfile) should give an empty set (issue3114) stable
authorMatt Mackall <mpm@selenic.com>
Sun, 20 Nov 2011 15:29:55 -0600
branchstable
changeset 15532 5edaf47cd462
parent 15531 0810ccc51f0a
child 15533 10a4fab20ed9
revset: follow(nosuchfile) should give an empty set (issue3114)
mercurial/revset.py file | annotate | diff | comparison | revisions 
--- a/mercurial/revset.py	Fri Nov 11 11:11:11 2011 +1111
+++ b/mercurial/revset.py	Sun Nov 20 15:29:55 2011 -0600
@@ -434,7 +434,10 @@
     p = repo['.'].rev()
     if l:
         x = getstring(l[0], _("follow expected a filename"))
-        s = set(ctx.rev() for ctx in repo['.'][x].ancestors())
+        if x in repo['.']:
+            s = set(ctx.rev() for ctx in repo['.'][x].ancestors())
+        else:
+            return []
     else:
         s = set(repo.changelog.ancestors(p))
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