builtin/apply: move init_apply_state() to apply.c

To libify `git apply` functionality we must make init_apply_state()
usable outside "builtin/apply.c".

Let's do that by moving it into a new "apply.c".

Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 0 insertions, 91 deletions

diff --git a/builtin/apply.c b/builtin/apply.c
index ecb1f7a536..bb6ff77038 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -27,52 +27,6 @@ static const char * const apply_usage[] = {
 	NULL
 };
 
-static int parse_whitespace_option(struct apply_state *state, const char *option)
-{
-	if (!option) {
-		state->ws_error_action = warn_on_ws_error;
-		return 0;
-	}
-	if (!strcmp(option, "warn")) {
-		state->ws_error_action = warn_on_ws_error;
-		return 0;
-	}
-	if (!strcmp(option, "nowarn")) {
-		state->ws_error_action = nowarn_ws_error;
-		return 0;
-	}
-	if (!strcmp(option, "error")) {
-		state->ws_error_action = die_on_ws_error;
-		return 0;
-	}
-	if (!strcmp(option, "error-all")) {
-		state->ws_error_action = die_on_ws_error;
-		state->squelch_whitespace_errors = 0;
-		return 0;
-	}
-	if (!strcmp(option, "strip") || !strcmp(option, "fix")) {
-		state->ws_error_action = correct_ws_error;
-		return 0;
-	}
-	return error(_("unrecognized whitespace option '%s'"), option);
-}
-
-static int parse_ignorewhitespace_option(struct apply_state *state,
-					 const char *option)
-{
-	if (!option || !strcmp(option, "no") ||
-	    !strcmp(option, "false") || !strcmp(option, "never") ||
-	    !strcmp(option, "none")) {
-		state->ws_ignore_action = ignore_ws_none;
-		return 0;
-	}
-	if (!strcmp(option, "change")) {
-		state->ws_ignore_action = ignore_ws_change;
-		return 0;
-	}
-	return error(_("unrecognized whitespace ignore option '%s'"), option);
-}
-
 static void set_default_whitespace_mode(struct apply_state *state)
 {
 	if (!state->whitespace_option && !apply_default_whitespace)
@@ -4539,13 +4493,6 @@ end:
 	return res;
 }
 
-static void git_apply_config(void)
-{
-	git_config_get_string_const("apply.whitespace", &apply_default_whitespace);
-	git_config_get_string_const("apply.ignorewhitespace", &apply_default_ignorewhitespace);
-	git_config(git_default_config, NULL);
-}
-
 static int option_parse_exclude(const struct option *opt,
 				const char *arg, int unset)
 {
@@ -4604,44 +4551,6 @@ static int option_parse_directory(const struct option *opt,
 	return 0;
 }
 
-static void init_apply_state(struct apply_state *state,
-			     const char *prefix,
-			     struct lock_file *lock_file)
-{
-	memset(state, 0, sizeof(*state));
-	state->prefix = prefix;
-	state->prefix_length = state->prefix ? strlen(state->prefix) : 0;
-	state->lock_file = lock_file;
-	state->newfd = -1;
-	state->apply = 1;
-	state->line_termination = '\n';
-	state->p_value = 1;
-	state->p_context = UINT_MAX;
-	state->squelch_whitespace_errors = 5;
-	state->ws_error_action = warn_on_ws_error;
-	state->ws_ignore_action = ignore_ws_none;
-	state->linenr = 1;
-	string_list_init(&state->fn_table, 0);
-	string_list_init(&state->limit_by_name, 0);
-	string_list_init(&state->symlink_changes, 0);
-	strbuf_init(&state->root, 0);
-
-	git_apply_config();
-	if (apply_default_whitespace && parse_whitespace_option(state, apply_default_whitespace))
-		exit(1);
-	if (apply_default_ignorewhitespace && parse_ignorewhitespace_option(state, apply_default_ignorewhitespace))
-		exit(1);
-}
-
-static void clear_apply_state(struct apply_state *state)
-{
-	string_list_clear(&state->limit_by_name, 0);
-	string_list_clear(&state->symlink_changes, 0);
-	strbuf_release(&state->root);
-
-	/* &state->fn_table is cleared at the end of apply_patch() */
-}
-
 static void check_apply_state(struct apply_state *state, int force_apply)
 {
 	int is_not_gitdir = !startup_info->have_repository;