From a0bba65b107651946431bee4c71d05d812988d9d Mon Sep 17 00:00:00 2001
From: Brandon Williams <bmwill@google.com>
Date: Fri, 5 May 2017 12:53:30 -0700
Subject: dir: convert is_excluded to take an index

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/add.c b/builtin/add.c
index bf5e676..0b52aec 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -436,7 +436,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 			     !file_exists(path))) {
 				if (ignore_missing) {
 					int dtype = DT_UNKNOWN;
-					if (is_excluded(&dir, path, &dtype))
+					if (is_excluded(&dir, &the_index, path, &dtype))
 						dir_add_ignored(&dir, &the_index,
 								path, pathspec.items[i].len);
 				} else
diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c
index 1d73d3c..d2293b2 100644
--- a/builtin/check-ignore.c
+++ b/builtin/check-ignore.c
@@ -101,7 +101,8 @@ static int check_ignore(struct dir_struct *dir,
 		full_path = pathspec.items[i].match;
 		exclude = NULL;
 		if (!seen[i]) {
-			exclude = last_exclude_matching(dir, full_path, &dtype);
+			exclude = last_exclude_matching(dir, &the_index,
+							full_path, &dtype);
 		}
 		if (!quiet && (exclude || show_non_matching))
 			output_exclude(pathspec.items[i].original, exclude);
diff --git a/builtin/clean.c b/builtin/clean.c
index d861f83..39866af 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -683,7 +683,7 @@ static int filter_by_patterns_cmd(void)
 		for_each_string_list_item(item, &del_list) {
 			int dtype = DT_UNKNOWN;
 
-			if (is_excluded(&dir, item->string, &dtype)) {
+			if (is_excluded(&dir, &the_index, item->string, &dtype)) {
 				*item->string = '\0';
 				changed++;
 			}
diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index a6c70db..7a8c568 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -322,7 +322,7 @@ static void show_ru_info(void)
 static int ce_excluded(struct dir_struct *dir, const struct cache_entry *ce)
 {
 	int dtype = ce_to_dtype(ce);
-	return is_excluded(dir, ce->name, &dtype);
+	return is_excluded(dir, &the_index, ce->name, &dtype);
 }
 
 static void show_files(struct dir_struct *dir)
diff --git a/dir.c b/dir.c
index 50b5e72..a15da67 100644
--- a/dir.c
+++ b/dir.c
@@ -1204,19 +1204,20 @@ static void prep_exclude(struct dir_struct *dir,
  * undecided.
  */
 struct exclude *last_exclude_matching(struct dir_struct *dir,
-					     const char *pathname,
-					     int *dtype_p)
+				      struct index_state *istate,
+				      const char *pathname,
+				      int *dtype_p)
 {
 	int pathlen = strlen(pathname);
 	const char *basename = strrchr(pathname, '/');
 	basename = (basename) ? basename+1 : pathname;
 
-	prep_exclude(dir, &the_index, pathname, basename-pathname);
+	prep_exclude(dir, istate, pathname, basename-pathname);
 
 	if (dir->exclude)
 		return dir->exclude;
 
-	return last_exclude_matching_from_lists(dir, &the_index, pathname, pathlen,
+	return last_exclude_matching_from_lists(dir, istate, pathname, pathlen,
 			basename, dtype_p);
 }
 
@@ -1225,10 +1226,11 @@ struct exclude *last_exclude_matching(struct dir_struct *dir,
  * scans all exclude lists to determine whether pathname is excluded.
  * Returns 1 if true, otherwise 0.
  */
-int is_excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
+int is_excluded(struct dir_struct *dir, struct index_state *istate,
+		const char *pathname, int *dtype_p)
 {
 	struct exclude *exclude =
-		last_exclude_matching(dir, pathname, dtype_p);
+		last_exclude_matching(dir, istate, pathname, dtype_p);
 	if (exclude)
 		return exclude->flags & EXC_FLAG_NEGATIVE ? 0 : 1;
 	return 0;
@@ -1573,7 +1575,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir,
 	    (directory_exists_in_index(&the_index, path->buf, path->len) == index_nonexistent))
 		return path_none;
 
-	exclude = is_excluded(dir, path->buf, &dtype);
+	exclude = is_excluded(dir, &the_index, path->buf, &dtype);
 
 	/*
 	 * Excluded? If we don't explicitly want to show
diff --git a/dir.h b/dir.h
index 1bcda0d..b745f1e 100644
--- a/dir.h
+++ b/dir.h
@@ -236,9 +236,12 @@ extern int match_pathname(const char *, int,
 			  const char *, int, int, unsigned);
 
 extern struct exclude *last_exclude_matching(struct dir_struct *dir,
+					     struct index_state *istate,
 					     const char *name, int *dtype);
 
-extern int is_excluded(struct dir_struct *dir, const char *name, int *dtype);
+extern int is_excluded(struct dir_struct *dir,
+		       struct index_state *istate,
+		       const char *name, int *dtype);
 
 extern struct exclude_list *add_exclude_list(struct dir_struct *dir,
 					     int group_type, const char *src);
diff --git a/unpack-trees.c b/unpack-trees.c
index f278cd2..d5b4014 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -1634,7 +1634,7 @@ static int check_ok_to_remove(const char *name, int len, int dtype,
 		return 0;
 
 	if (o->dir &&
-	    is_excluded(o->dir, name, &dtype))
+	    is_excluded(o->dir, &the_index, name, &dtype))
 		/*
 		 * ce->name is explicitly excluded, so it is Ok to
 		 * overwrite it.
-- 
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