[RFC/PATCH 47/48] builtin/apply: move 'state' check into check_apply_state()

[Christian Couder <christian.couder@gmail.com>]

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 builtin/apply.c | 52 +++++++++++++++++++++++++++++-----------------------
 1 file changed, 29 insertions(+), 23 deletions(-)

diff --git a/builtin/apply.c b/builtin/apply.c
index 1676ce1..3f76469 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -4690,11 +4690,38 @@ static void init_apply_state(struct apply_state *state, const char *prefix_)
 		parse_ignorewhitespace_option(state, apply_default_ignorewhitespace);
 }
 
+static void check_apply_state(struct apply_state *state, int force_apply)
+{
+	int is_not_gitdir = !startup_info->have_repository;
+
+	if (state->apply_with_reject && state->threeway)
+		die("--reject and --3way cannot be used together.");
+	if (state->cached && state->threeway)
+		die("--cached and --3way cannot be used together.");
+	if (state->threeway) {
+		if (is_not_gitdir)
+			die(_("--3way outside a repository"));
+		state->check_index = 1;
+	}
+	if (state->apply_with_reject)
+		state->apply = state->apply_verbosely = 1;
+	if (!force_apply && (state->diffstat || state->numstat || state->summary || state->check || state->fake_ancestor))
+		state->apply = 0;
+	if (state->check_index && is_not_gitdir)
+		die(_("--index outside a repository"));
+	if (state->cached) {
+		if (is_not_gitdir)
+			die(_("--cached outside a repository"));
+		state->check_index = 1;
+	}
+	if (state->check_index)
+		state->unsafe_paths = 0;
+}
+
 int cmd_apply(int argc, const char **argv, const char *prefix_)
 {
 	int i;
 	int errs = 0;
-	int is_not_gitdir = !startup_info->have_repository;
 	int force_apply = 0;
 	int options = 0;
 	int read_stdin = 1;
@@ -4774,28 +4801,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
 	argc = parse_options(argc, argv, state.prefix, builtin_apply_options,
 			apply_usage, 0);
 
-	if (state.apply_with_reject && state.threeway)
-		die("--reject and --3way cannot be used together.");
-	if (state.cached && state.threeway)
-		die("--cached and --3way cannot be used together.");
-	if (state.threeway) {
-		if (is_not_gitdir)
-			die(_("--3way outside a repository"));
-		state.check_index = 1;
-	}
-	if (state.apply_with_reject)
-		state.apply = state.apply_verbosely = 1;
-	if (!force_apply && (state.diffstat || state.numstat || state.summary || state.check || state.fake_ancestor))
-		state.apply = 0;
-	if (state.check_index && is_not_gitdir)
-		die(_("--index outside a repository"));
-	if (state.cached) {
-		if (is_not_gitdir)
-			die(_("--cached outside a repository"));
-		state.check_index = 1;
-	}
-	if (state.check_index)
-		state.unsafe_paths = 0;
+	check_apply_state(&state, force_apply);
 
 	for (i = 0; i < argc; i++) {
 		const char *arg = argv[i];
-- 
2.8.0.rc1.49.gca61272