[PATCH] Fix escaping of glob special characters in pathspecs

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match_one implements an optimized pathspec match where it only uses
fnmatch if it detects glob special characters in the pattern. Unfortunately
it didn't treat \ as a special character, so attempts to escape a glob
special character would fail even though fnmatch() supports it.

Signed-off-by: Kevin Ballard <kevin@xxxxxx>
---
 dir.c          |    2 +-
 t/t3700-add.sh |    8 ++++++++
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/dir.c b/dir.c
index 29d1d5b..109e05b 100644
--- a/dir.c
+++ b/dir.c
@@ -54,7 +54,7 @@ int common_prefix(const char **pathspec)
 
 static inline int special_char(unsigned char c1)
 {
-	return !c1 || c1 == '*' || c1 == '[' || c1 == '?';
+	return !c1 || c1 == '*' || c1 == '[' || c1 == '?' || c1 == '\\';
 }
 
 /*
diff --git a/t/t3700-add.sh b/t/t3700-add.sh
index 7d123d1..77a782c 100755
--- a/t/t3700-add.sh
+++ b/t/t3700-add.sh
@@ -222,4 +222,12 @@ test_expect_success 'git add (add.ignore-errors = false)' '
 	! ( git ls-files foo1 | grep foo1 )
 '
 
+test_expect_success 'git add '\''fo\?bar'\'' ignores foobar' '
+	git reset --hard &&
+	touch fo\?bar foobar &&
+	git add '\''fo\?bar'\'' &&
+	git ls-files fo\?bar | grep -F fo\?bar &&
+	! ( git ls-files foobar | grep foobar )
+'
+
 test_done
-- 
1.6.0.rc3.1.g9002abb

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