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From 1208a632aaeca43f3846116197d645394fbae45d Mon Sep 17 00:00:00 2001
From: Tim Waugh <twaugh@redhat.com>
Date: Wed, 27 Aug 2025 09:36:01 +0100
Subject: [PATCH] Make grepdiff1 test-case pcre-aware
The test case needs a different pattern when configured with/without pcre2.
Fixed: #61
Assisted-by: Cursor
---
tests/grepdiff1/run-test | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/tests/grepdiff1/run-test b/tests/grepdiff1/run-test
index c4311f8..ebb6023 100755
--- a/tests/grepdiff1/run-test
+++ b/tests/grepdiff1/run-test
@@ -20,7 +20,16 @@ cat << EOF > diff
+b
EOF
-${GREPDIFF} '\+a' diff 2>errors >index || exit 1
+# Check if PCRE2 is being used by examining the help output
+if ${GREPDIFF} --help 2>&1 | grep -q "PCRE regexes are used by default"; then
+ # PCRE2 is enabled - need to escape the plus sign
+ PATTERN='\+a'
+else
+ # Standard regex - plus sign doesn't need escaping
+ PATTERN='+a'
+fi
+
+${GREPDIFF} "$PATTERN" diff 2>errors >index || exit 1
[ -s errors ] && exit 1
cat << EOF | cmp - index || exit 1
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