From 408a83048366a22bf7645b71bee7428743793736 Mon Sep 17 00:00:00 2001
From: Bart Schaefer <schaefer@ipost.com>
Date: Sat, 10 Apr 2021 14:26:46 -0700
Subject: 47913: implement CASE_PATHS option to make NO_CASE_GLOB more sensible

---
 Src/pattern.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'Src/pattern.c')

diff --git a/Src/pattern.c b/Src/pattern.c
index c28f2c9fb..c0e31b78e 100644
--- a/Src/pattern.c
+++ b/Src/pattern.c
@@ -509,7 +509,7 @@ void
 patcompstart(void)
 {
     patcompcharsset();
-    if (isset(CASEGLOB))
+    if (isset(CASEGLOB) || isset(CASEPATHS))
 	patglobflags = 0;
     else
 	patglobflags = GF_IGNCASE;
@@ -632,6 +632,13 @@ patcompile(char *exp, int inflags, char **endexp)
     p->patmlen = len;
     p->patnpar = patnpar-1;
 
+#ifndef __CYGWIN__  /* The filesystem itself is case-insensitive on Cygwin */
+    if ((patflags & PAT_FILE) && !isset(CASEGLOB) && !(patflags & PAT_PURES)) {
+	p->globflags |= GF_IGNCASE;
+	p->globend |= GF_IGNCASE;
+    }
+#endif
+
     if (!strp) {
 	pscan = (Upat)(patout + startoff);
 
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