[PATCH v4 21/23] ws.c: remove implicit dependency on the_index

[Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 apply.c | 8 +++++---
 cache.h | 2 +-
 diff.c  | 6 +++---
 ws.c    | 5 ++---
 4 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/apply.c b/apply.c
index 571b89c2e0..fdae1d423b 100644
--- a/apply.c
+++ b/apply.c
@@ -2131,10 +2131,12 @@ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long si
 
 	if (!use_patch(state, patch))
 		patch->ws_rule = 0;
+	else if (patch->new_name)
+		patch->ws_rule = whitespace_rule(state->repo->index,
+						 patch->new_name);
 	else
-		patch->ws_rule = whitespace_rule(patch->new_name
-						 ? patch->new_name
-						 : patch->old_name);
+		patch->ws_rule = whitespace_rule(state->repo->index,
+						 patch->old_name);
 
 	patchsize = parse_single_patch(state,
 				       buffer + offset + hdrsize,
diff --git a/cache.h b/cache.h
index 094652a503..eb0f7d5470 100644
--- a/cache.h
+++ b/cache.h
@@ -1694,7 +1694,7 @@ void shift_tree_by(const struct object_id *, const struct object_id *, struct ob
 /* All WS_* -- when extended, adapt diff.c emit_symbol */
 #define WS_RULE_MASK           07777
 extern unsigned whitespace_rule_cfg;
-extern unsigned whitespace_rule(const char *);
+extern unsigned whitespace_rule(struct index_state *, const char *);
 extern unsigned parse_whitespace_rule(const char *);
 extern unsigned ws_check(const char *line, int len, unsigned ws_rule);
 extern void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws);
diff --git a/diff.c b/diff.c
index 5256b9eabc..c5b5e7ac41 100644
--- a/diff.c
+++ b/diff.c
@@ -1705,7 +1705,7 @@ static void emit_rewrite_diff(const char *name_a,
 
 	memset(&ecbdata, 0, sizeof(ecbdata));
 	ecbdata.color_diff = want_color(o->use_color);
-	ecbdata.ws_rule = whitespace_rule(name_b);
+	ecbdata.ws_rule = whitespace_rule(o->repo->index, name_b);
 	ecbdata.opt = o;
 	if (ecbdata.ws_rule & WS_BLANK_AT_EOF) {
 		mmfile_t mf1, mf2;
@@ -3480,7 +3480,7 @@ static void builtin_diff(const char *name_a,
 			lbl[0] = NULL;
 		ecbdata.label_path = lbl;
 		ecbdata.color_diff = want_color(o->use_color);
-		ecbdata.ws_rule = whitespace_rule(name_b);
+		ecbdata.ws_rule = whitespace_rule(o->repo->index, name_b);
 		if (ecbdata.ws_rule & WS_BLANK_AT_EOF)
 			check_blank_at_eof(&mf1, &mf2, &ecbdata);
 		ecbdata.opt = o;
@@ -3640,7 +3640,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
 	data.filename = name_b ? name_b : name_a;
 	data.lineno = 0;
 	data.o = o;
-	data.ws_rule = whitespace_rule(attr_path);
+	data.ws_rule = whitespace_rule(o->repo->index, attr_path);
 	data.conflict_marker_size = ll_merge_marker_size(o->repo->index, attr_path);
 
 	if (fill_mmfile(o->repo, &mf1, one) < 0 ||
diff --git a/ws.c b/ws.c
index 5b67b426e7..55349b4c5d 100644
--- a/ws.c
+++ b/ws.c
@@ -3,7 +3,6 @@
  *
  * Copyright (c) 2007 Junio C Hamano
  */
-
 #include "cache.h"
 #include "attr.h"
 
@@ -71,14 +70,14 @@ unsigned parse_whitespace_rule(const char *string)
 	return rule;
 }
 
-unsigned whitespace_rule(const char *pathname)
+unsigned whitespace_rule(struct index_state *istate, const char *pathname)
 {
 	static struct attr_check *attr_whitespace_rule;
 
 	if (!attr_whitespace_rule)
 		attr_whitespace_rule = attr_check_initl("whitespace", NULL);
 
-	if (!git_check_attr(&the_index, pathname, attr_whitespace_rule)) {
+	if (!git_check_attr(istate, pathname, attr_whitespace_rule)) {
 		const char *value;
 
 		value = attr_whitespace_rule->items[0].value;
-- 
2.19.0.rc0.337.ge906d732e7