On Wed, Dec 19, 2012 at 11:06:02PM -0500, Jeff King wrote:

> > I don't think we can make a change in simple_length. It gets used not
> > only for pathspecs, but also for parsing exclude patterns, which I do
> > not think should be affected by this option.
> Our test suite wouldn't catch such a misfeature, of course, because the
> feature is not turned on by default. But I found it instructive to run
> all of the tests with GIT_LITERAL_PATHSPECS on. There are failures, of
> course, but by inspecting each failure you can see that it is an
> intended effect of the patch (i.e., each tries to use a wildcard
> pathspec, which no longer works).
> When you suggested changing common_prefix, I ran such a test both with
> and without the change[1] and confirmed that it did not change the set
> of failure sites. I did not try it, but I suspect running such a test
> with the tip of pu would reveal new failures in the .gitignore tests.

I just tried it, and indeed, running the test suite with this patch:

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 256f1c6..1c43593 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -102,6 +102,9 @@ export EDITOR
 export EDITOR
 # Add libc MALLOC and MALLOC_PERTURB test
 # only if we are not executing the test with valgrind
 if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||

produces many more failures on "pu" than it does on jk/pathspec-literal.

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