ls-files: factor out tag calculation

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index c9307f9..cdc1cfd 100644 (file)
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -93,6 +93,30 @@ static void write_name(const char *name)
        strbuf_release(&full_name);
 }
 
+static const char *get_tag(const struct cache_entry *ce, const char *tag)
+{
+       static char alttag[4];
+
+       if (tag && *tag && show_valid_bit && (ce->ce_flags & CE_VALID)) {
+               memcpy(alttag, tag, 3);
+
+               if (isalpha(tag[0])) {
+                       alttag[0] = tolower(tag[0]);
+               } else if (tag[0] == '?') {
+                       alttag[0] = '!';
+               } else {
+                       alttag[0] = 'v';
+                       alttag[1] = tag[0];
+                       alttag[2] = ' ';
+                       alttag[3] = 0;
+               }
+
+               tag = alttag;
+       }
+
+       return tag;
+}
+
 static void print_debug(const struct cache_entry *ce)
 {
        if (debug_mode) {
@@ -264,22 +288,7 @@ static void show_ce_entry(const struct index_state *istate,
                                  len, ps_matched,
                                  S_ISDIR(ce->ce_mode) ||
                                  S_ISGITLINK(ce->ce_mode))) {
-               if (tag && *tag && show_valid_bit &&
-                   (ce->ce_flags & CE_VALID)) {
-                       static char alttag[4];
-                       memcpy(alttag, tag, 3);
-                       if (isalpha(tag[0]))
-                               alttag[0] = tolower(tag[0]);
-                       else if (tag[0] == '?')
-                               alttag[0] = '!';
-                       else {
-                               alttag[0] = 'v';
-                               alttag[1] = tag[0];
-                               alttag[2] = ' ';
-                               alttag[3] = 0;
-                       }
-                       tag = alttag;
-               }
+               tag = get_tag(ce, tag);
 
                if (!show_stage) {
                        fputs(tag, stdout);