[PATCH v2 01/10] update-index: use enum for untracked cache options

[Christian Couder]

Signed-off-by: Christian Couder <chrisc...@tuxfamily.org>
---
 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 7431938..2430a68 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 {
+       UC_UNSPECIFIED = -1,
+       UC_DISABLE = 0,
+       UC_ENABLE,
+       UC_FORCE
+};
+
 __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 = UC_UNSPECIFIED;
        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"), UC_FORCE),
                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 > UC_DISABLE) {
                struct untracked_cache *uc;
 
-               if (untracked_cache < 2) {
+               if (untracked_cache < UC_FORCE) {
                        setup_work_tree();
                        if (!test_if_untracked_cache_is_supported())
                                return 1;
@@ -1122,7 +1130,7 @@ int cmd_update_index(int argc, const char **argv, const 
char *prefix)
                }
                add_untracked_ident(the_index.untracked);
                the_index.cache_changed |= UNTRACKED_CHANGED;
-       } else if (!untracked_cache && the_index.untracked) {
+       } else if (untracked_cache == UC_DISABLE && the_index.untracked) {
                the_index.untracked = NULL;
                the_index.cache_changed |= UNTRACKED_CHANGED;
        }
-- 
2.6.3.479.g8eb29d4

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