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[PATCH 4/5] dir.c: move, rename and export match_attrs()




The function will be reused for matching attributes in pathspec when
walking trees (currently it's used for matching pathspec when walking
a list). pathspec.c would be a more neutral place for this.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 dir.c      | 41 ++---------------------------------------
 pathspec.c | 38 ++++++++++++++++++++++++++++++++++++++
 pathspec.h |  3 +++
 3 files changed, 43 insertions(+), 39 deletions(-)

diff --git a/dir.c b/dir.c
index ab6477d777..2128448219 100644
--- a/dir.c
+++ b/dir.c
@@ -276,44 +276,6 @@ static int do_read_blob(const struct object_id *oid, struct oid_stat *oid_stat,
 #define DO_MATCH_DIRECTORY (1<<1)
 #define DO_MATCH_SUBMODULE (1<<2)
 
-static int match_attrs(const struct index_state *istate,
-		       const char *name, int namelen,
-		       const struct pathspec_item *item)
-{
-	int i;
-	char *to_free = NULL;
-
-	if (name[namelen])
-		name = to_free = xmemdupz(name, namelen);
-
-	git_check_attr(istate, name, item->attr_check);
-
-	free(to_free);
-
-	for (i = 0; i < item->attr_match_nr; i++) {
-		const char *value;
-		int matched;
-		enum attr_match_mode match_mode;
-
-		value = item->attr_check->items[i].value;
-		match_mode = item->attr_match[i].match_mode;
-
-		if (ATTR_TRUE(value))
-			matched = (match_mode == MATCH_SET);
-		else if (ATTR_FALSE(value))
-			matched = (match_mode == MATCH_UNSET);
-		else if (ATTR_UNSET(value))
-			matched = (match_mode == MATCH_UNSPECIFIED);
-		else
-			matched = (match_mode == MATCH_VALUE &&
-				   !strcmp(item->attr_match[i].value, value));
-		if (!matched)
-			return 0;
-	}
-
-	return 1;
-}
-
 /*
  * Does 'match' match the given name?
  * A match is found if
@@ -367,7 +329,8 @@ static int match_pathspec_item(const struct index_state *istate,
 	    strncmp(item->match, name - prefix, item->prefix))
 		return 0;
 
-	if (item->attr_match_nr && !match_attrs(istate, name, namelen, item))
+	if (item->attr_match_nr &&
+	    !match_pathspec_attrs(istate, name, namelen, item))
 		return 0;
 
 	/* If the match was just the prefix, we matched */
diff --git a/pathspec.c b/pathspec.c
index 6f005996fd..e85298f68c 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -659,3 +659,41 @@ void clear_pathspec(struct pathspec *pathspec)
 	FREE_AND_NULL(pathspec->items);
 	pathspec->nr = 0;
 }
+
+int match_pathspec_attrs(const struct index_state *istate,
+			 const char *name, int namelen,
+			 const struct pathspec_item *item)
+{
+	int i;
+	char *to_free = NULL;
+
+	if (name[namelen])
+		name = to_free = xmemdupz(name, namelen);
+
+	git_check_attr(istate, name, item->attr_check);
+
+	free(to_free);
+
+	for (i = 0; i < item->attr_match_nr; i++) {
+		const char *value;
+		int matched;
+		enum attr_match_mode match_mode;
+
+		value = item->attr_check->items[i].value;
+		match_mode = item->attr_match[i].match_mode;
+
+		if (ATTR_TRUE(value))
+			matched = (match_mode == MATCH_SET);
+		else if (ATTR_FALSE(value))
+			matched = (match_mode == MATCH_UNSET);
+		else if (ATTR_UNSET(value))
+			matched = (match_mode == MATCH_UNSPECIFIED);
+		else
+			matched = (match_mode == MATCH_VALUE &&
+				   !strcmp(item->attr_match[i].value, value));
+		if (!matched)
+			return 0;
+	}
+
+	return 1;
+}
diff --git a/pathspec.h b/pathspec.h
index 5fd781d695..1c18a2c90c 100644
--- a/pathspec.h
+++ b/pathspec.h
@@ -111,5 +111,8 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec,
 					char *seen);
 char *find_pathspecs_matching_against_index(const struct pathspec *pathspec,
 					    const struct index_state *istate);
+int match_pathspec_attrs(const struct index_state *istate,
+			 const char *name, int namelen,
+			 const struct pathspec_item *item);
 
 #endif /* PATHSPEC_H */
-- 
2.19.1.1327.g328c130451.dirty