ui-shared.c

   1 /* ui-shared.c: common web output functions
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "cmd.h"
  11 #include "html.h"
  12
  13 const char cgit_doctype[] =
  14 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
  15 "  \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
  16
  17 static char *http_date(time_t t)
  18 {
  19         static char day[][4] =
  20                 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
  21         static char month[][4] =
  22                 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
  23                  "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
  24         struct tm *tm = gmtime(&t);
  25         return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
  26                    tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
  27                    tm->tm_hour, tm->tm_min, tm->tm_sec);
  28 }
  29
  30 void cgit_print_error(char *msg)
  31 {
  32         html("<div class='error'>");
  33         html_txt(msg);
  34         html("</div>\n");
  35 }
  36
  37 char *cgit_hosturl()
  38 {
  39         char *host, *port;
  40
  41         host = getenv("HTTP_HOST");
  42         if (host) {
  43                 host = xstrdup(host);
  44         } else {
  45                 host = getenv("SERVER_NAME");
  46                 if (!host)
  47                         return NULL;
  48                 port = getenv("SERVER_PORT");
  49                 if (port && atoi(port) != 80)
  50                         host = xstrdup(fmt("%s:%d", host, atoi(port)));
  51                 else
  52                         host = xstrdup(host);
  53         }
  54         return host;
  55 }
  56
  57 char *cgit_rooturl()
  58 {
  59         if (ctx.cfg.virtual_root)
  60                 return fmt("%s/", ctx.cfg.virtual_root);
  61         else
  62                 return ctx.cfg.script_name;
  63 }
  64
  65 char *cgit_repourl(const char *reponame)
  66 {
  67         if (ctx.cfg.virtual_root) {
  68                 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
  69         } else {
  70                 return fmt("?r=%s", reponame);
  71         }
  72 }
  73
  74 char *cgit_fileurl(const char *reponame, const char *pagename,
  75                    const char *filename, const char *query)
  76 {
  77         char *tmp;
  78         char *delim;
  79
  80         if (ctx.cfg.virtual_root) {
  81                 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
  82                           pagename, (filename ? filename:""));
  83                 delim = "?";
  84         } else {
  85                 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
  86                           (filename ? filename : ""));
  87                 delim = "&";
  88         }
  89         if (query)
  90                 tmp = fmt("%s%s%s", tmp, delim, query);
  91         return tmp;
  92 }
  93
  94 char *cgit_pageurl(const char *reponame, const char *pagename,
  95                    const char *query)
  96 {
  97         return cgit_fileurl(reponame,pagename,0,query);
  98 }
  99
 100 const char *cgit_repobasename(const char *reponame)
 101 {
 102         /* I assume we don't need to store more than one repo basename */
 103         static char rvbuf[1024];
 104         int p;
 105         const char *rv;
 106         strncpy(rvbuf,reponame,sizeof(rvbuf));
 107         if(rvbuf[sizeof(rvbuf)-1])
 108                 die("cgit_repobasename: truncated repository name '%s'", reponame);
 109         p = strlen(rvbuf)-1;
 110         /* strip trailing slashes */
 111         while(p && rvbuf[p]=='/') rvbuf[p--]=0;
 112         /* strip trailing .git */
 113         if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
 114                 p -= 3; rvbuf[p--] = 0;
 115         }
 116         /* strip more trailing slashes if any */
 117         while( p && rvbuf[p]=='/') rvbuf[p--]=0;
 118         /* find last slash in the remaining string */
 119         rv = strrchr(rvbuf,'/');
 120         if(rv)
 121                 return ++rv;
 122         return rvbuf;
 123 }
 124
 125 char *cgit_currurl()
 126 {
 127         if (!ctx.cfg.virtual_root)
 128                 return ctx.cfg.script_name;
 129         else if (ctx.qry.page)
 130                 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
 131         else if (ctx.qry.repo)
 132                 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
 133         else
 134                 return fmt("%s/", ctx.cfg.virtual_root);
 135 }
 136
 137 static void site_url(char *page, char *search, int ofs)
 138 {
 139         char *delim = "?";
 140
 141         if (ctx.cfg.virtual_root) {
 142                 html_attr(ctx.cfg.virtual_root);
 143                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 144                         html("/");
 145         } else
 146                 html(ctx.cfg.script_name);
 147
 148         if (page) {
 149                 htmlf("?p=%s", page);
 150                 delim = "&";
 151         }
 152         if (search) {
 153                 html(delim);
 154                 html("q=");
 155                 html_attr(search);
 156                 delim = "&";
 157         }
 158         if (ofs) {
 159                 html(delim);
 160                 htmlf("ofs=%d", ofs);
 161         }
 162 }
 163
 164 static void site_link(char *page, char *name, char *title, char *class,
 165                       char *search, int ofs)
 166 {
 167         html("<a");
 168         if (title) {
 169                 html(" title='");
 170                 html_attr(title);
 171                 html("'");
 172         }
 173         if (class) {
 174                 html(" class='");
 175                 html_attr(class);
 176                 html("'");
 177         }
 178         html(" href='");
 179         site_url(page, search, ofs);
 180         html("'>");
 181         html_txt(name);
 182         html("</a>");
 183 }
 184
 185 void cgit_index_link(char *name, char *title, char *class, char *pattern,
 186                      int ofs)
 187 {
 188         site_link(NULL, name, title, class, pattern, ofs);
 189 }
 190
 191 static char *repolink(char *title, char *class, char *page, char *head,
 192                       char *path)
 193 {
 194         char *delim = "?";
 195
 196         html("<a");
 197         if (title) {
 198                 html(" title='");
 199                 html_attr(title);
 200                 html("'");
 201         }
 202         if (class) {
 203                 html(" class='");
 204                 html_attr(class);
 205                 html("'");
 206         }
 207         html(" href='");
 208         if (ctx.cfg.virtual_root) {
 209                 html_url_path(ctx.cfg.virtual_root);
 210                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 211                         html("/");
 212                 html_url_path(ctx.repo->url);
 213                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 214                         html("/");
 215                 if (page) {
 216                         html_url_path(page);
 217                         html("/");
 218                         if (path)
 219                                 html_url_path(path);
 220                 }
 221         } else {
 222                 html(ctx.cfg.script_name);
 223                 html("?url=");
 224                 html_url_arg(ctx.repo->url);
 225                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 226                         html("/");
 227                 if (page) {
 228                         html_url_arg(page);
 229                         html("/");
 230                         if (path)
 231                                 html_url_arg(path);
 232                 }
 233                 delim = "&amp;";
 234         }
 235         if (head && strcmp(head, ctx.repo->defbranch)) {
 236                 html(delim);
 237                 html("h=");
 238                 html_url_arg(head);
 239                 delim = "&amp;";
 240         }
 241         return fmt("%s", delim);
 242 }
 243
 244 static void reporevlink(char *page, char *name, char *title, char *class,
 245                         char *head, char *rev, char *path)
 246 {
 247         char *delim;
 248
 249         delim = repolink(title, class, page, head, path);
 250         if (rev && strcmp(rev, ctx.qry.head)) {
 251                 html(delim);
 252                 html("id=");
 253                 html_url_arg(rev);
 254         }
 255         html("'>");
 256         html_txt(name);
 257         html("</a>");
 258 }
 259
 260 void cgit_summary_link(char *name, char *title, char *class, char *head)
 261 {
 262         reporevlink(NULL, name, title, class, head, NULL, NULL);
 263 }
 264
 265 void cgit_tag_link(char *name, char *title, char *class, char *head,
 266                    char *rev)
 267 {
 268         reporevlink("tag", name, title, class, head, rev, NULL);
 269 }
 270
 271 void cgit_tree_link(char *name, char *title, char *class, char *head,
 272                     char *rev, char *path)
 273 {
 274         reporevlink("tree", name, title, class, head, rev, path);
 275 }
 276
 277 void cgit_plain_link(char *name, char *title, char *class, char *head,
 278                      char *rev, char *path)
 279 {
 280         reporevlink("plain", name, title, class, head, rev, path);
 281 }
 282
 283 void cgit_log_link(char *name, char *title, char *class, char *head,
 284                    char *rev, char *path, int ofs, char *grep, char *pattern)
 285 {
 286         char *delim;
 287
 288         delim = repolink(title, class, "log", head, path);
 289         if (rev && strcmp(rev, ctx.qry.head)) {
 290                 html(delim);
 291                 html("id=");
 292                 html_url_arg(rev);
 293                 delim = "&";
 294         }
 295         if (grep && pattern) {
 296                 html(delim);
 297                 html("qt=");
 298                 html_url_arg(grep);
 299                 delim = "&";
 300                 html(delim);
 301                 html("q=");
 302                 html_url_arg(pattern);
 303         }
 304         if (ofs > 0) {
 305                 html(delim);
 306                 html("ofs=");
 307                 htmlf("%d", ofs);
 308         }
 309         html("'>");
 310         html_txt(name);
 311         html("</a>");
 312 }
 313
 314 void cgit_commit_link(char *name, char *title, char *class, char *head,
 315                       char *rev)
 316 {
 317         if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
 318                 name[ctx.cfg.max_msg_len] = '\0';
 319                 name[ctx.cfg.max_msg_len - 1] = '.';
 320                 name[ctx.cfg.max_msg_len - 2] = '.';
 321                 name[ctx.cfg.max_msg_len - 3] = '.';
 322         }
 323         reporevlink("commit", name, title, class, head, rev, NULL);
 324 }
 325
 326 void cgit_refs_link(char *name, char *title, char *class, char *head,
 327                     char *rev, char *path)
 328 {
 329         reporevlink("refs", name, title, class, head, rev, path);
 330 }
 331
 332 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 333                         char *rev, char *archivename)
 334 {
 335         reporevlink("snapshot", name, title, class, head, rev, archivename);
 336 }
 337
 338 void cgit_diff_link(char *name, char *title, char *class, char *head,
 339                     char *new_rev, char *old_rev, char *path)
 340 {
 341         char *delim;
 342
 343         delim = repolink(title, class, "diff", head, path);
 344         if (new_rev && strcmp(new_rev, ctx.qry.head)) {
 345                 html(delim);
 346                 html("id=");
 347                 html_url_arg(new_rev);
 348                 delim = "&amp;";
 349         }
 350         if (old_rev) {
 351                 html(delim);
 352                 html("id2=");
 353                 html_url_arg(old_rev);
 354         }
 355         html("'>");
 356         html_txt(name);
 357         html("</a>");
 358 }
 359
 360 void cgit_patch_link(char *name, char *title, char *class, char *head,
 361                      char *rev)
 362 {
 363         reporevlink("patch", name, title, class, head, rev, NULL);
 364 }
 365
 366 void cgit_object_link(struct object *obj)
 367 {
 368         char *page, *rev, *name;
 369
 370         if (obj->type == OBJ_COMMIT) {
 371                 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
 372                                  ctx.qry.head, sha1_to_hex(obj->sha1));
 373                 return;
 374         } else if (obj->type == OBJ_TREE)
 375                 page = "tree";
 376         else if (obj->type == OBJ_TAG)
 377                 page = "tag";
 378         else
 379                 page = "blob";
 380         rev = sha1_to_hex(obj->sha1);
 381         name = fmt("%s %s", typename(obj->type), rev);
 382         reporevlink(page, name, NULL, NULL, ctx.qry.head, rev, NULL);
 383 }
 384
 385 void cgit_print_date(time_t secs, char *format, int local_time)
 386 {
 387         char buf[64];
 388         struct tm *time;
 389
 390         if (!secs)
 391                 return;
 392         if(local_time)
 393                 time = localtime(&secs);
 394         else
 395                 time = gmtime(&secs);
 396         strftime(buf, sizeof(buf)-1, format, time);
 397         html_txt(buf);
 398 }
 399
 400 void cgit_print_age(time_t t, time_t max_relative, char *format)
 401 {
 402         time_t now, secs;
 403
 404         if (!t)
 405                 return;
 406         time(&now);
 407         secs = now - t;
 408
 409         if (secs > max_relative && max_relative >= 0) {
 410                 cgit_print_date(t, format, ctx.cfg.local_time);
 411                 return;
 412         }
 413
 414         if (secs < TM_HOUR * 2) {
 415                 htmlf("<span class='age-mins'>%.0f min.</span>",
 416                       secs * 1.0 / TM_MIN);
 417                 return;
 418         }
 419         if (secs < TM_DAY * 2) {
 420                 htmlf("<span class='age-hours'>%.0f hours</span>",
 421                       secs * 1.0 / TM_HOUR);
 422                 return;
 423         }
 424         if (secs < TM_WEEK * 2) {
 425                 htmlf("<span class='age-days'>%.0f days</span>",
 426                       secs * 1.0 / TM_DAY);
 427                 return;
 428         }
 429         if (secs < TM_MONTH * 2) {
 430                 htmlf("<span class='age-weeks'>%.0f weeks</span>",
 431                       secs * 1.0 / TM_WEEK);
 432                 return;
 433         }
 434         if (secs < TM_YEAR * 2) {
 435                 htmlf("<span class='age-months'>%.0f months</span>",
 436                       secs * 1.0 / TM_MONTH);
 437                 return;
 438         }
 439         htmlf("<span class='age-years'>%.0f years</span>",
 440               secs * 1.0 / TM_YEAR);
 441 }
 442
 443 void cgit_print_http_headers(struct cgit_context *ctx)
 444 {
 445         if (ctx->page.mimetype && ctx->page.charset)
 446                 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
 447                       ctx->page.charset);
 448         else if (ctx->page.mimetype)
 449                 htmlf("Content-Type: %s\n", ctx->page.mimetype);
 450         if (ctx->page.size)
 451                 htmlf("Content-Length: %ld\n", ctx->page.size);
 452         if (ctx->page.filename)
 453                 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
 454                       ctx->page.filename);
 455         htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
 456         htmlf("Expires: %s\n", http_date(ctx->page.expires));
 457         html("\n");
 458 }
 459
 460 void cgit_print_docstart(struct cgit_context *ctx)
 461 {
 462         char *host = cgit_hosturl();
 463         html(cgit_doctype);
 464         html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
 465         html("<head>\n");
 466         html("<title>");
 467         html_txt(ctx->page.title);
 468         html("</title>\n");
 469         htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
 470         if (ctx->cfg.robots && *ctx->cfg.robots)
 471                 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
 472         html("<link rel='stylesheet' type='text/css' href='");
 473         html_attr(ctx->cfg.css);
 474         html("'/>\n");
 475         if (ctx->cfg.favicon) {
 476                 html("<link rel='shortcut icon' href='");
 477                 html_attr(ctx->cfg.favicon);
 478                 html("'/>\n");
 479         }
 480         if (host && ctx->repo) {
 481                 html("<link rel='alternate' title='Atom feed' href='http://");
 482                 html_attr(cgit_hosturl());
 483                 html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
 484                                        fmt("h=%s", ctx->qry.head)));
 485                 html("' type='application/atom+xml'/>");
 486         }
 487         html("</head>\n");
 488         html("<body>\n");
 489 }
 490
 491 void cgit_print_docend()
 492 {
 493         html("</div>");
 494         if (ctx.cfg.footer)
 495                 html_include(ctx.cfg.footer);
 496         else {
 497                 htmlf("<div class='footer'>generated  by cgit %s at ",
 498                         cgit_version);
 499                 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
 500                 html("</div>\n");
 501         }
 502         html("</body>\n</html>\n");
 503 }
 504
 505 int print_branch_option(const char *refname, const unsigned char *sha1,
 506                         int flags, void *cb_data)
 507 {
 508         char *name = (char *)refname;
 509         html_option(name, name, ctx.qry.head);
 510         return 0;
 511 }
 512
 513 int print_archive_ref(const char *refname, const unsigned char *sha1,
 514                        int flags, void *cb_data)
 515 {
 516         struct tag *tag;
 517         struct taginfo *info;
 518         struct object *obj;
 519         char buf[256], *url;
 520         unsigned char fileid[20];
 521         int *header = (int *)cb_data;
 522
 523         if (prefixcmp(refname, "refs/archives"))
 524                 return 0;
 525         strncpy(buf, refname+14, sizeof(buf));
 526         obj = parse_object(sha1);
 527         if (!obj)
 528                 return 1;
 529         if (obj->type == OBJ_TAG) {
 530                 tag = lookup_tag(sha1);
 531                 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
 532                         return 0;
 533                 hashcpy(fileid, tag->tagged->sha1);
 534         } else if (obj->type != OBJ_BLOB) {
 535                 return 0;
 536         } else {
 537                 hashcpy(fileid, sha1);
 538         }
 539         if (!*header) {
 540                 html("<h1>download</h1>\n");
 541                 *header = 1;
 542         }
 543         url = cgit_pageurl(ctx.qry.repo, "blob",
 544                            fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
 545                                buf));
 546         html_link_open(url, NULL, "menu");
 547         html_txt(strlpart(buf, 20));
 548         html_link_close();
 549         return 0;
 550 }
 551
 552 void add_hidden_formfields(int incl_head, int incl_search, char *page)
 553 {
 554         char *url;
 555
 556         if (!ctx.cfg.virtual_root) {
 557                 url = fmt("%s/%s", ctx.qry.repo, page);
 558                 if (ctx.qry.path)
 559                         url = fmt("%s/%s", url, ctx.qry.path);
 560                 html_hidden("url", url);
 561         }
 562
 563         if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
 564             strcmp(ctx.qry.head, ctx.repo->defbranch))
 565                 html_hidden("h", ctx.qry.head);
 566
 567         if (ctx.qry.sha1)
 568                 html_hidden("id", ctx.qry.sha1);
 569         if (ctx.qry.sha2)
 570                 html_hidden("id2", ctx.qry.sha2);
 571
 572         if (incl_search) {
 573                 if (ctx.qry.grep)
 574                         html_hidden("qt", ctx.qry.grep);
 575                 if (ctx.qry.search)
 576                         html_hidden("q", ctx.qry.search);
 577         }
 578 }
 579
 580 char *hc(struct cgit_cmd *cmd, const char *page)
 581 {
 582         return (strcmp(cmd->name, page) ? NULL : "active");
 583 }
 584
 585 void cgit_print_pageheader(struct cgit_context *ctx)
 586 {
 587         struct cgit_cmd *cmd = cgit_get_cmd(ctx);
 588
 589         html("<table id='header'>\n");
 590         html("<tr>\n");
 591         html("<td class='logo' rowspan='2'><a href='");
 592         if (ctx->cfg.logo_link)
 593                 html_attr(ctx->cfg.logo_link);
 594         else
 595                 html_attr(cgit_rooturl());
 596         html("'><img src='");
 597         html_attr(ctx->cfg.logo);
 598         html("' alt='cgit logo'/></a></td>\n");
 599
 600         html("<td class='main'>");
 601         if (ctx->repo) {
 602                 cgit_index_link("index", NULL, NULL, NULL, 0);
 603                 html(" : ");
 604                 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
 605                 html("</td><td class='form'>");
 606                 html("<form method='get' action=''>\n");
 607                 add_hidden_formfields(0, 1, ctx->qry.page);
 608                 html("<select name='h' onchange='this.form.submit();'>\n");
 609                 for_each_branch_ref(print_branch_option, ctx->qry.head);
 610                 html("</select> ");
 611                 html("<input type='submit' name='' value='switch'/>");
 612                 html("</form>");
 613         } else
 614                 html_txt(ctx->cfg.root_title);
 615         html("</td></tr>\n");
 616
 617         html("<tr><td class='sub'>");
 618         if (ctx->repo) {
 619                 html_txt(ctx->repo->desc);
 620                 html("</td><td class='sub right'>");
 621                 html_txt(ctx->repo->owner);
 622         } else {
 623                 if (ctx->cfg.root_desc)
 624                         html_txt(ctx->cfg.root_desc);
 625                 else if (ctx->cfg.index_info)
 626                         html_include(ctx->cfg.index_info);
 627         }
 628         html("</td></tr></table>\n");
 629
 630         html("<table class='tabs'><tr><td>\n");
 631         if (ctx->repo) {
 632                 cgit_summary_link("summary", NULL, NULL, ctx->qry.head);
 633                 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
 634                                ctx->qry.sha1, NULL);
 635                 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
 636                               NULL, NULL, 0, NULL, NULL);
 637                 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
 638                                ctx->qry.sha1, NULL);
 639                 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
 640                                  ctx->qry.head, ctx->qry.sha1);
 641                 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
 642                                ctx->qry.sha1, ctx->qry.sha2, NULL);
 643                 if (ctx->repo->readme)
 644                         reporevlink("about", "about", NULL,
 645                                     hc(cmd, "about"), ctx->qry.head, NULL,
 646                                     NULL);
 647                 html("</td><td class='form'>");
 648                 html("<form class='right' method='get' action='");
 649                 if (ctx->cfg.virtual_root)
 650                         html_url_path(cgit_fileurl(ctx->qry.repo, "log",
 651                                                    ctx->qry.path, NULL));
 652                 html("'>\n");
 653                 add_hidden_formfields(1, 0, "log");
 654                 html("<select name='qt'>\n");
 655                 html_option("grep", "log msg", ctx->qry.grep);
 656                 html_option("author", "author", ctx->qry.grep);
 657                 html_option("committer", "committer", ctx->qry.grep);
 658                 html("</select>\n");
 659                 html("<input class='txt' type='text' size='10' name='q' value='");
 660                 html_attr(ctx->qry.search);
 661                 html("'/>\n");
 662                 html("<input type='submit' value='search'/>\n");
 663                 html("</form>\n");
 664         } else {
 665                 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
 666                 if (ctx->cfg.root_readme)
 667                         site_link("about", "about", NULL, hc(cmd, "about"),
 668                                   NULL, 0);
 669                 html("</td><td class='form'>");
 670                 html("<form method='get' action='");
 671                 html_attr(cgit_rooturl());
 672                 html("'>\n");
 673                 html("<input type='text' name='q' size='10' value='");
 674                 html_attr(ctx->qry.search);
 675                 html("'/>\n");
 676                 html("<input type='submit' value='search'/>\n");
 677                 html("</form>");
 678         }
 679         html("</td></tr></table>\n");
 680         html("<div class='content'>");
 681 }
 682
 683 void cgit_print_filemode(unsigned short mode)
 684 {
 685         if (S_ISDIR(mode))
 686                 html("d");
 687         else if (S_ISLNK(mode))
 688                 html("l");
 689         else if (S_ISGITLINK(mode))
 690                 html("m");
 691         else
 692                 html("-");
 693         html_fileperm(mode >> 6);
 694         html_fileperm(mode >> 3);
 695         html_fileperm(mode);
 696 }
 697
 698 void cgit_print_snapshot_links(const char *repo, const char *head,
 699                                const char *hex, int snapshots)
 700 {
 701         const struct cgit_snapshot_format* f;
 702         char *filename;
 703
 704         for (f = cgit_snapshot_formats; f->suffix; f++) {
 705                 if (!(snapshots & f->bit))
 706                         continue;
 707                 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
 708                                f->suffix);
 709                 cgit_snapshot_link(filename, NULL, NULL, (char *)head,
 710                                    (char *)hex, filename);
 711                 html("<br/>");
 712         }
 713 }