[PATCH v3 30/49] builtin/apply: move 'limit_by_name' global into 'struct apply_state'

[Christian Couder <christian.couder@xxxxxxxxx>]

To libify the apply functionality the 'limit_by_name' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <sbeller@xxxxxxxxxx>
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
 builtin/apply.c | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/builtin/apply.c b/builtin/apply.c
index fa90028..0e3de17 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -52,6 +52,9 @@ struct apply_state {
 	const char *patch_input_file;
 	int line_termination;
 	unsigned int p_context;
+
+	/* Exclude and include path parameters */
+	struct string_list limit_by_name;
 };
 
 static int newfd = -1;
@@ -1958,13 +1961,14 @@ static void prefix_patch(struct apply_state *state, struct patch *p)
  * include/exclude
  */
 
-static struct string_list limit_by_name;
 static int has_include;
-static void add_name_limit(const char *name, int exclude)
+static void add_name_limit(struct apply_state *state,
+			   const char *name,
+			   int exclude)
 {
 	struct string_list_item *it;
 
-	it = string_list_append(&limit_by_name, name);
+	it = string_list_append(&state->limit_by_name, name);
 	it->util = exclude ? NULL : (void *) 1;
 }
 
@@ -1982,8 +1986,8 @@ static int use_patch(struct apply_state *state, struct patch *p)
 	}
 
 	/* See if it matches any of exclude/include rule */
-	for (i = 0; i < limit_by_name.nr; i++) {
-		struct string_list_item *it = &limit_by_name.items[i];
+	for (i = 0; i < state->limit_by_name.nr; i++) {
+		struct string_list_item *it = &state->limit_by_name.items[i];
 		if (!wildmatch(it->string, pathname, 0, NULL))
 			return (it->util != NULL);
 	}
@@ -4520,14 +4524,16 @@ static void git_apply_config(void)
 static int option_parse_exclude(const struct option *opt,
 				const char *arg, int unset)
 {
-	add_name_limit(arg, 1);
+	struct apply_state *state = opt->value;
+	add_name_limit(state, arg, 1);
 	return 0;
 }
 
 static int option_parse_include(const struct option *opt,
 				const char *arg, int unset)
 {
-	add_name_limit(arg, 0);
+	struct apply_state *state = opt->value;
+	add_name_limit(state, arg, 0);
 	has_include = 1;
 	return 0;
 }
@@ -4587,7 +4593,7 @@ static void init_apply_state(struct apply_state *state, const char *prefix)
 
 static void clear_apply_state(struct apply_state *state)
 {
-	/* empty for now */
+	string_list_clear(&state->limit_by_name, 0);
 }
 
 int cmd_apply(int argc, const char **argv, const char *prefix)
@@ -4603,10 +4609,10 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
 	const char *whitespace_option = NULL;
 
 	struct option builtin_apply_options[] = {
-		{ OPTION_CALLBACK, 0, "exclude", NULL, N_("path"),
+		{ OPTION_CALLBACK, 0, "exclude", &state, N_("path"),
 			N_("don't apply changes matching the given path"),
 			0, option_parse_exclude },
-		{ OPTION_CALLBACK, 0, "include", NULL, N_("path"),
+		{ OPTION_CALLBACK, 0, "include", &state, N_("path"),
 			N_("apply changes matching the given path"),
 			0, option_parse_include },
 		{ OPTION_CALLBACK, 'p', NULL, NULL, N_("num"),
-- 
2.8.3.443.gaeee61e

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