[PATCH 2/8] update-index: use enum for untracked cache options

[Christian Couder <christian.couder@xxxxxxxxx>]

Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
 builtin/update-index.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/builtin/update-index.c b/builtin/update-index.c
index 6f6b289..246b3d3 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -35,6 +35,14 @@ static int mark_skip_worktree_only;
 #define UNMARK_FLAG 2
 static struct strbuf mtime_dir = STRBUF_INIT;
 
+/* Untracked cache mode */
+enum uc_mode {
+	UNDEF_UC = -1,
+	NO_UC = 0,
+	UC,
+	FORCE_UC
+};
+
 __attribute__((format (printf, 1, 2)))
 static void report(const char *fmt, ...)
 {
@@ -902,7 +910,7 @@ static int reupdate_callback(struct parse_opt_ctx_t *ctx,
 int cmd_update_index(int argc, const char **argv, const char *prefix)
 {
 	int newfd, entries, has_errors = 0, line_termination = '\n';
-	int untracked_cache = -1;
+	enum uc_mode untracked_cache = UNDEF_UC;
 	int read_from_stdin = 0;
 	int prefix_length = prefix ? strlen(prefix) : 0;
 	int preferred_index_format = 0;
@@ -997,7 +1005,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 		OPT_BOOL(0, "untracked-cache", &untracked_cache,
 			N_("enable/disable untracked cache")),
 		OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
-			    N_("enable untracked cache without testing the filesystem"), 2),
+			    N_("enable untracked cache without testing the filesystem"), FORCE_UC),
 		OPT_END()
 	};
 
@@ -1104,10 +1112,10 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 		the_index.split_index = NULL;
 		the_index.cache_changed |= SOMETHING_CHANGED;
 	}
-	if (untracked_cache > 0) {
+	if (untracked_cache > NO_UC) {
 		struct untracked_cache *uc;
 
-		if (untracked_cache < 2) {
+		if (untracked_cache < FORCE_UC) {
 			setup_work_tree();
 			if (!test_if_untracked_cache_is_supported())
 				return 1;
@@ -1123,7 +1131,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 		add_untracked_ident(the_index.untracked);
 		the_index.cache_changed |= UNTRACKED_CHANGED;
 		fprintf(stderr, _("Untracked cache enabled for '%s'\n"), get_git_work_tree());
-	} else if (!untracked_cache && the_index.untracked) {
+	} else if (untracked_cache == NO_UC && the_index.untracked) {
 		the_index.untracked = NULL;
 		the_index.cache_changed |= UNTRACKED_CHANGED;
 		fprintf(stderr, _("Untracked cache disabled\n"));
-- 
2.6.3.478.g9f95483.dirty

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