Add support for showing tags and other repo refs in the diff and log view

diff --git a/tig.c b/tig.c
index 22943f0..1192c23 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -582,6 +582,7 @@ LINE(PP_MERGE,         "Merge: ",           COLOR_BLUE,     COLOR_DEFAULT,  0), \
 LINE(PP_DATE,     "Date:   ",          COLOR_YELLOW,   COLOR_DEFAULT,  0), \
 LINE(PP_ADATE,    "AuthorDate: ",      COLOR_YELLOW,   COLOR_DEFAULT,  0), \
 LINE(PP_CDATE,    "CommitDate: ",      COLOR_YELLOW,   COLOR_DEFAULT,  0), \
+LINE(PP_REFS,     "Refs: ",            COLOR_RED,      COLOR_DEFAULT,  0), \
 LINE(COMMIT,      "commit ",           COLOR_GREEN,    COLOR_DEFAULT,  0), \
 LINE(PARENT,      "parent ",           COLOR_BLUE,     COLOR_DEFAULT,  0), \
 LINE(TREE,        "tree ",             COLOR_BLUE,     COLOR_DEFAULT,  0), \
@@ -1708,16 +1709,68 @@ pager_draw(struct view *view, struct line *line, unsigned int lineno)
        return TRUE;
 }
 
+static void
+add_pager_refs(struct view *view, struct line *line)
+{
+       char buf[1024];
+       char *data = line->data;
+       struct ref **refs;
+       int bufpos = 0, refpos = 0;
+       const char *sep = "Refs: ";
+
+       assert(line->type == LINE_COMMIT);
+
+       refs = get_refs(data + STRING_SIZE("commit "));
+       if (!refs)
+               return;
+
+       do {
+               char *begin = "", *end = "";
+
+               if (refs[refpos]->tag) {
+                       begin = "[";
+                       end = "]";
+               }
+
+               bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos,
+                                  "%s%s%s%s", sep, begin, refs[refpos]->name,
+                                  end);
+               if (bufpos >= sizeof(buf))
+                       break;
+               sep = ", ";
+       } while (refs[refpos++]->next);
+
+       if (!bufpos ||
+           bufpos >= sizeof(buf) ||
+           !realloc_lines(view, view->line_size + 1))
+               return;
+
+       line = &view->line[view->lines];
+       line->data = strdup(buf);
+       if (!line->data)
+               return;
+
+       line->type = LINE_PP_REFS;
+       view->lines++;
+}
+
 static bool
-pager_read(struct view *view, struct line *prev, char *line)
+pager_read(struct view *view, struct line *prev, char *data)
 {
-       view->line[view->lines].data = strdup(line);
-       if (!view->line[view->lines].data)
-               return FALSE;
+       struct line *line = &view->line[view->lines];
 
-       view->line[view->lines].type = get_line_type(line);
+       line->data = strdup(data);
+       if (!line->data)
+               return FALSE;
 
+       line->type = get_line_type(line->data);
        view->lines++;
+
+       if (line->type == LINE_COMMIT &&
+           (view == VIEW(REQ_VIEW_DIFF) ||
+            view == VIEW(REQ_VIEW_LOG)))
+               add_pager_refs(view, line);
+
        return TRUE;
 }