updated for version 7.3.072

Problem:    Can't complete file names while ignoring case.
Solution:   Add 'wildignorecase'.

runtime/doc/options.txt

@@ -7752,6 +7752,17 @@ A jump table for the options with a short description can be found at |Q_op|.
 	a pattern from the list.  This avoids problems when a future version
 	uses another default.
 
+
+			*'wildignorecase* *'wic'* *'nowildignorecase* *'nowic'*
+'wildignorecase' 'wic'	boolean	(default off)
+			global
+			{not in Vi}
+	When set case is ignored when completing file names and directories.
+	Has no effect on systems where file name case is generally ignored.
+	Does not apply when the shell is used to expand wildcards, which
+	happens when there are special characters.
+
+
 				*'wildmenu'* *'wmnu'* *'nowildmenu'* *'nowmnu'*
 'wildmenu' 'wmnu'	boolean	(default off)
 			global

src/ex_docmd.c

@@ -4524,12 +4524,14 @@ expand_filename(eap, cmdlinep, errormsgp)
 		else /* n == 2 */
 		{
 		    expand_T	xpc;
+		    int		options = WILD_LIST_NOTFOUND|WILD_ADD_SLASH;
 
 		    ExpandInit(&xpc);
 		    xpc.xp_context = EXPAND_FILES;
+		    if (p_wic)
+			options += WILD_ICASE;
 		    p = ExpandOne(&xpc, eap->arg, NULL,
-					    WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
+						   options, WILD_EXPAND_FREE);
-						   WILD_EXPAND_FREE);
 		    if (p == NULL)
 			return FAIL;
 		}

src/ex_getln.c

@@ -3339,10 +3339,14 @@ nextwild(xp, type, options)
 	    p2 = NULL;
 	else
 	{
+	    int use_options = options |
+		    WILD_HOME_REPLACE|WILD_ADD_SLASH|WILD_SILENT|WILD_ESCAPE;
+
+	    if (p_wic)
+		use_options += WILD_ICASE;
 	    p2 = ExpandOne(xp, p1,
 			 vim_strnsave(&ccline.cmdbuff[i], xp->xp_pattern_len),
-		    WILD_HOME_REPLACE|WILD_ADD_SLASH|WILD_SILENT|WILD_ESCAPE
+							   use_options, type);
-							      |options, type);
 	    vim_free(p1);
 	    /* longest match: make sure it is not shorter, happens with :help */
 	    if (p2 != NULL && type == WILD_LONGEST)
@@ -3428,6 +3432,7 @@ nextwild(xp, type, options)
  * options = WILD_KEEP_ALL:	    don't remove 'wildignore' entries
  * options = WILD_SILENT:	    don't print warning messages
  * options = WILD_ESCAPE:	    put backslash before special chars
+ * options = WILD_ICASE:	    ignore case for files
  *
  * The variables xp->xp_context and xp->xp_backslash must have been set!
  */
@@ -4361,6 +4366,7 @@ expand_cmdline(xp, str, col, matchcount, matches)
     char_u	***matches;	/* return: array of pointers to matches */
 {
     char_u	*file_str = NULL;
+    int		options = WILD_ADD_SLASH|WILD_SILENT;
 
     if (xp->xp_context == EXPAND_UNSUCCESSFUL)
     {
@@ -4379,9 +4385,11 @@ expand_cmdline(xp, str, col, matchcount, matches)
     if (file_str == NULL)
 	return EXPAND_UNSUCCESSFUL;
 
+    if (p_wic)
+	options += WILD_ICASE;
+
     /* find all files that match the description */
-    if (ExpandFromContext(xp, file_str, matchcount, matches,
+    if (ExpandFromContext(xp, file_str, matchcount, matches, options) == FAIL)
-					  WILD_ADD_SLASH|WILD_SILENT) == FAIL)
     {
 	*matchcount = 0;
 	*matches = NULL;
@@ -4433,7 +4441,7 @@ ExpandFromContext(xp, pat, num_file, file, options)
     char_u	*pat;
     int		*num_file;
     char_u	***file;
-    int		options;
+    int		options;  /* EW_ flags */
 {
 #ifdef FEAT_CMDL_COMPL
     regmatch_T	regmatch;
@@ -4487,6 +4495,9 @@ ExpandFromContext(xp, pat, num_file, file, options)
 	    flags |= (EW_FILE | EW_PATH);
 	else
 	    flags = (flags | EW_DIR) & ~EW_FILE;
+	if (options & WILD_ICASE)
+	    flags |= EW_ICASE;
+
 	/* Expand wildcards, supporting %:h and the like. */
 	ret = expand_wildcards_eval(&pat, num_file, file, flags);
 	if (free_pat)

src/misc1.c

@@ -9161,7 +9161,10 @@ unix_expandpath(gap, path, wildoff, flags, didstar)
 #ifdef CASE_INSENSITIVE_FILENAME
     regmatch.rm_ic = TRUE;		/* Behave like Terminal.app */
 #else
-    regmatch.rm_ic = FALSE;		/* Don't ever ignore case */
+    if (flags & EW_ICASE)
+	regmatch.rm_ic = TRUE;		/* 'wildignorecase' set */
+    else
+	regmatch.rm_ic = FALSE;		/* Don't ignore case */
 #endif
     regmatch.regprog = vim_regcomp(pat, RE_MAGIC);
     vim_free(pat);
@@ -9643,7 +9646,7 @@ expand_in_path(gap, pattern, flags)
     if (paths == NULL)
 	return 0;
 
-    files = globpath(paths, pattern, 0);
+    files = globpath(paths, pattern, (flags & EW_ICASE) ? WILD_ICASE : 0);
     vim_free(paths);
     if (files == NULL)
 	return 0;

src/option.c

@@ -2740,7 +2740,7 @@ static struct vimoption
 			    (char_u *)&p_wc, PV_NONE,
 			    {(char_u *)(long)Ctrl_E, (char_u *)(long)TAB}
 			    SCRIPTID_INIT},
-    {"wildcharm",   "wcm",   P_NUM|P_VI_DEF,
+    {"wildcharm",   "wcm",  P_NUM|P_VI_DEF,
 			    (char_u *)&p_wcm, PV_NONE,
 			    {(char_u *)0L, (char_u *)0L} SCRIPTID_INIT},
     {"wildignore",  "wig",  P_STRING|P_VI_DEF|P_COMMA|P_NODUP,
@@ -2750,6 +2750,9 @@ static struct vimoption
 			    (char_u *)NULL, PV_NONE,
 #endif
 			    {(char_u *)"", (char_u *)0L} SCRIPTID_INIT},
+    {"wildignorecase", "wic", P_BOOL|P_VI_DEF,
+			    (char_u *)&p_wic, PV_NONE,
+			    {(char_u *)FALSE, (char_u *)0L} SCRIPTID_INIT},
     {"wildmenu",    "wmnu", P_BOOL|P_VI_DEF,
 #ifdef FEAT_WILDMENU
 			    (char_u *)&p_wmnu, PV_NONE,

src/option.h

@@ -872,6 +872,7 @@ EXTERN int	p_wiv;		/* 'weirdinvert' */
 EXTERN char_u	*p_ww;		/* 'whichwrap' */
 EXTERN long	p_wc;		/* 'wildchar' */
 EXTERN long	p_wcm;		/* 'wildcharm' */
+EXTERN long	p_wic;		/* 'wildignorecase' */
 EXTERN char_u	*p_wim;		/* 'wildmode' */
 #ifdef FEAT_WILDMENU
 EXTERN int	p_wmnu;		/* 'wildmenu' */

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    72,
 /**/
     71,
 /**/

src/vim.h

@@ -798,6 +798,7 @@ extern char *(*dyn_libintl_textdomain)(const char *domainname);
 #define WILD_KEEP_ALL		32
 #define WILD_SILENT		64
 #define WILD_ESCAPE		128
+#define WILD_ICASE		256
 
 /* Flags for expand_wildcards() */
 #define EW_DIR		0x01	/* include directory names */
@@ -808,6 +809,7 @@ extern char *(*dyn_libintl_textdomain)(const char *domainname);
 #define EW_SILENT	0x20	/* don't print "1 returned" from shell */
 #define EW_EXEC		0x40	/* executable files */
 #define EW_PATH		0x80	/* search in 'path' too */
+#define EW_ICASE	0x100	/* ignore case */
 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
  * is used when executing commands and EW_SILENT for interactive expanding. */