1 {!
2 /*
3  * Copyright (c) 2022 Omar Polo <op@openbsd.org>
4  * Copyright (c) 2016, 2019, 2020-2022 Tracey Emery <tracey@traceyemery.net>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 #include <sys/queue.h>
21 #include <sys/stat.h>
22 
23 #include <ctype.h>
24 #include <event.h>
25 #include <stdint.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <sha1.h>
30 #include <sha2.h>
31 #include <imsg.h>
32 
33 #include "got_error.h"
34 #include "got_object.h"
35 #include "got_reference.h"
36 
37 #include "gotwebd.h"
38 #include "tmpl.h"
39 
40 enum gotweb_ref_tm {
41 	TM_DIFF,
42 	TM_LONG,
43 };
44 
45 static int breadcumbs(struct template *);
46 static int datetime(struct template *, time_t, int);
47 static int gotweb_render_blob_line(struct template *, const char *, size_t);
48 static int gotweb_render_tree_item(struct template *, struct got_tree_entry *);
49 static int blame_line(struct template *, const char *, struct blame_line *,
50     int, int);
51 
52 static inline int gotweb_render_more(struct template *, int);
53 
54 static inline int diff_line(struct template *, char *);
55 static inline int tag_item(struct template *, struct repo_tag *);
56 static inline int branch(struct template *, struct got_reflist_entry *);
57 static inline int rss_tag_item(struct template *, struct repo_tag *);
58 static inline int rss_author(struct template *, char *);
59 
60 static inline char *
61 nextsep(char *s, char **t)
62 {
63 	char *q;
64 
65 	while (*s == '/')
66 		s++;
67 	*t = s;
68 	if (*s == '\0')
69 		return NULL;
70 
71 	q = strchr(s, '/');
72 	if (q == NULL)
73 		q = strchr(s, '\0');
74 	return q;
75 }
76 
77 !}
78 
79 {{ define datetime(struct template *tp, time_t t, int fmt) }}
80 {!
81 	struct tm	 tm;
82 	char		 rfc3339[64];
83 	char		 datebuf[64];
84 
85 	if (gmtime_r(&t, &tm) == NULL)
86 		return -1;
87 
88 	if (strftime(rfc3339, sizeof(rfc3339), "%FT%TZ", &tm) == 0)
89 		return -1;
90 
91 	if (fmt != TM_DIFF && asctime_r(&tm, datebuf) == NULL)
92 		return -1;
93 !}
94 <time datetime="{{ rfc3339 }}">
95   {{ if fmt == TM_DIFF }}
96     {{ render gotweb_render_age(tp, t) }}
97   {{ else }}
98     {{ datebuf }} {{ " UTC" }}
99   {{ end }}
100 </time>
101 {{ end }}
102 
103 {{ define breadcumbs(struct template *tp) }}
104 {!
105 	struct request		*c = tp->tp_arg;
106 	struct querystring	*qs = c->t->qs;
107 	struct gotweb_url	 url;
108 	const char		*folder = qs->folder;
109 	char			*t, *s = NULL, *dir = NULL;
110 	char			 ch;
111 
112 	memset(&url, 0, sizeof(url));
113 	url.index_page = -1;
114 	url.page = -1;
115 	url.action = TREE;
116 	url.path = qs->path;
117 	url.commit = qs->commit;
118 
119 	if (folder && *folder != '\0') {
120 		while (*folder == '/')
121 			folder++;
122 		dir = strdup(folder);
123 		if (dir == NULL)
124 			return (-1);
125 		s = dir;
126 	}
127 !}
128   {{ " / " }}
129   <a href="{{ render gotweb_render_url(c, &url) }}">tree</a>
130   {{ " / " }}
131   {{ if dir }}
132     {{ while (s = nextsep(s, &t)) != NULL }}
133       {!
134 	ch = *s;
135 	*s = '\0';
136 	url.folder = dir;
137       !}
138 
139       <a href="{{ render gotweb_render_url(c, &url) }}">
140         {{ t }}
141       </a>
142       {{ " / " }}
143 
144       {! *s = ch; !}
145     {{ end }}
146   {{ end }}
147 
148   {{ if qs->file }}
149     {{ qs->file }}
150   {{ end}}
151 
152   {{ finally }}
153   {! free(dir); !}
154 {{ end }}
155 
156 {{ define gotweb_render_page(struct template *tp,
157     int (*body)(struct template *)) }}
158 {!
159 	struct request		*c = tp->tp_arg;
160 	struct server		*srv = c->srv;
161 	struct querystring	*qs = c->t->qs;
162 	struct gotweb_url	 u_path;
163 	const char		*prfx = c->document_uri;
164 	const char		*css = srv->custom_css;
165 
166 	memset(&u_path, 0, sizeof(u_path));
167 	u_path.index_page = -1;
168 	u_path.page = -1;
169 	u_path.action = SUMMARY;
170 !}
171 <!doctype html>
172 <html>
173   <head>
174     <meta charset="utf-8" />
175     <title>{{ srv->site_name }}</title>
176     <meta name="viewport" content="initial-scale=1.0" />
177     <meta name="msapplication-TileColor" content="#da532c" />
178     <meta name="theme-color" content="#ffffff"/>
179     <link rel="apple-touch-icon" sizes="180x180" href="{{ prfx }}apple-touch-icon.png" />
180     <link rel="icon" type="image/png" sizes="32x32" href="{{ prfx }}favicon-32x32.png" />
181     <link rel="icon" type="image/png" sizes="16x16" href="{{ prfx }}favicon-16x16.png" />
182     <link rel="manifest" href="{{ prfx }}site.webmanifest"/>
183     <link rel="mask-icon" href="{{ prfx }}safari-pinned-tab.svg" />
184     <link rel="stylesheet" type="text/css" href="{{ prfx }}{{ css }}" />
185   </head>
186   <body>
187     <header id="header">
188       <div id="got_link">
189         <a href="{{ srv->logo_url }}" target="_blank">
190           <img src="{{ prfx }}{{ srv->logo }}" />
191         </a>
192       </div>
193     </header>
194     <nav id="site_path">
195       <div id="site_link">
196         <a href="?index_page={{ printf "%d", qs->index_page }}">
197           {{ srv->site_link }}
198         </a>
199         {{ if qs->path }}
200           {! u_path.path = qs->path; !}
201           {{ " / " }}
202           <a href="{{ render gotweb_render_url(tp->tp_arg, &u_path)}}">
203             {{ qs->path }}
204           </a>
205         {{ end }}
206         {{ if qs->action == TREE || qs->action == BLOB }}
207           {{ render breadcumbs(tp) }}
208         {{ else if qs->action != INDEX }}
209           {{ " / " }}{{ gotweb_action_name(qs->action) }}
210         {{ end }}
211       </div>
212     </nav>
213     <main>
214       {{ render body(tp) }}
215     </main>
216     <footer id="site_owner_wrapper">
217       <p id="site_owner">
218         {{ if srv->show_site_owner }}
219           {{ srv->site_owner }}
220         {{ end }}
221       </p>
222     </footer>
223   </body>
224 </html>
225 {{ end }}
226 
227 {{ define gotweb_render_error(struct template *tp) }}
228 {!
229 	struct request		*c = tp->tp_arg;
230 	struct transport	*t = c->t;
231 !}
232 <div id="err_content">
233   {{ if t->error }}
234     {{ t->error->msg }}
235   {{ else }}
236     See daemon logs for details
237   {{ end }}
238 </div>
239 {{ end }}
240 
241 {{ define gotweb_render_repo_table_hdr(struct template *tp) }}
242 {!
243 	struct request *c = tp->tp_arg;
244 	struct server *srv = c->srv;
245 !}
246 <div id="index_header">
247   <div class="index_project">
248     Project
249   </div>
250   {{ if srv->show_repo_description }}
251     <div class="index_project_description">
252       Description
253     </div>
254   {{ end }}
255   {{ if srv->show_repo_owner }}
256     <div class="index_project_owner">
257       Owner
258     </div>
259   {{ end }}
260   {{ if srv->show_repo_age }}
261     <div class="index_project_age">
262       Last Change
263     </div>
264   {{ end }}
265 </div>
266 {{ end }}
267 
268 {{ define gotweb_render_repo_fragment(struct template *tp, struct repo_dir *repo_dir) }}
269 {!
270 	struct request *c = tp->tp_arg;
271 	struct server *srv = c->srv;
272 	struct gotweb_url summary = {
273 		.action = SUMMARY,
274 		.index_page = -1,
275 		.page = -1,
276 		.path = repo_dir->name,
277 	}, briefs = {
278 		.action = BRIEFS,
279 		.index_page = -1,
280 		.page = -1,
281 		.path = repo_dir->name,
282 	}, commits = {
283 		.action = COMMITS,
284 		.index_page = -1,
285 		.page = -1,
286 		.path = repo_dir->name,
287 	}, tags = {
288 		.action = TAGS,
289 		.index_page = -1,
290 		.page = -1,
291 		.path = repo_dir->name,
292 	}, tree = {
293 		.action = TREE,
294 		.index_page = -1,
295 		.page = -1,
296 		.path = repo_dir->name,
297 	}, rss = {
298 		.action = RSS,
299 		.index_page = -1,
300 		.page = -1,
301 		.path = repo_dir->name,
302 	};
303 !}
304 <div class="index_wrapper">
305   <div class="index_project">
306     <a href="{{ render gotweb_render_url(tp->tp_arg, &summary) }}">{{ repo_dir->name }}</a>
307   </div>
308   {{ if srv->show_repo_description }}
309     <div class="index_project_description">
310       {{ repo_dir->description }}
311     </div>
312   {{ end }}
313   {{ if srv->show_repo_owner }}
314     <div class="index_project_owner">
315       {{ repo_dir->owner }}
316     </div>
317   {{ end }}
318   {{ if srv->show_repo_age }}
319     <div class="index_project_age">
320       {{ render datetime(tp, repo_dir->age, TM_DIFF) }}
321     </div>
322   {{ end }}
323   <div class="navs_wrapper">
324     <div class="navs">
325       <a href="{{ render gotweb_render_url(tp->tp_arg, &summary) }}">summary</a>
326       {{ " | " }}
327       <a href="{{ render gotweb_render_url(tp->tp_arg, &briefs) }}">briefs</a>
328       {{ " | " }}
329       <a href="{{ render gotweb_render_url(tp->tp_arg, &commits) }}">commits</a>
330       {{ " | " }}
331       <a href="{{ render gotweb_render_url(tp->tp_arg, &tags) }}">tags</a>
332       {{ " | " }}
333       <a href="{{ render gotweb_render_url(tp->tp_arg, &tree) }}">tree</a>
334       {{ " | " }}
335       <a href="{{ render gotweb_render_url(tp->tp_arg, &rss) }}">rss</a>
336     </div>
337     <hr />
338   </div>
339 </div>
340 {{ end }}
341 
342 {{ define gotweb_render_briefs(struct template *tp) }}
343 {!
344 	struct request		*c = tp->tp_arg;
345 	struct transport	*t = c->t;
346 	struct querystring	*qs = c->t->qs;
347 	struct repo_commit	*rc;
348 	struct repo_dir		*repo_dir = t->repo_dir;
349 	struct gotweb_url	 diff_url, tree_url;
350 	char			*tmp;
351 
352 	diff_url = (struct gotweb_url){
353 		.action = DIFF,
354 		.index_page = -1,
355 		.page = -1,
356 		.path = repo_dir->name,
357 		.headref = qs->headref,
358 	};
359 	tree_url = (struct gotweb_url){
360 		.action = TREE,
361 		.index_page = -1,
362 		.page = -1,
363 		.path = repo_dir->name,
364 		.headref = qs->headref,
365 	};
366 !}
367 <header class='subtitle'>
368   <h2>Commit Briefs</h2>
369 </header>
370 <div id="briefs_content">
371   {{ tailq-foreach rc &t->repo_commits entry }}
372     {!
373 	diff_url.commit = rc->commit_id;
374 	tree_url.commit = rc->commit_id;
375 
376 	tmp = strchr(rc->committer, '<');
377 	if (tmp)
378 		*tmp = '\0';
379 
380 	tmp = strchr(rc->commit_msg, '\n');
381 	if (tmp)
382 		*tmp = '\0';
383     !}
384     <div class='brief'>
385       <p class='brief_meta'>
386         <span class='briefs_age'>
387           {{ render datetime(tp, rc->committer_time, TM_DIFF) }}
388         </span>
389         {{" "}}
390         <span class="briefs_author">
391           {{ rc->committer }}
392         </span>
393       </p>
394       <p class="briefs_log">
395         <a href="{{ render gotweb_render_url(tp->tp_arg, &diff_url) }}">
396           {{ rc->commit_msg }}
397         </a>
398         {{ if rc->refs_str }}
399           {{ " " }} <span class="refs_str">({{ rc->refs_str }})</span>
400         {{ end }}
401         </a>
402       </p>
403     </div>
404     <div class="navs_wrapper">
405       <div class="navs">
406         <a href="{{ render gotweb_render_url(tp->tp_arg, &diff_url) }}">diff</a>
407 	{{ " | " }}
408 	<a href="{{ render gotweb_render_url(tp->tp_arg, &tree_url) }}">tree</a>
409       </div>
410     </div>
411     <hr />
412   {{ end }}
413   {{ render gotweb_render_more(tp, BRIEFS) }}
414 </div>
415 {{ end }}
416 
417 {{ define gotweb_render_more(struct template *tp, int action) }}
418 {!
419 	struct request		*c = tp->tp_arg;
420 	struct transport	*t = c->t;
421 	struct querystring	*qs = t->qs;
422 	struct gotweb_url	 more = {
423 		.action = action,
424 		.index_page = -1,
425 		.path = qs->path,
426 		.commit = t->more_id,
427 		.headref = qs->headref,
428 		.file = qs->file,
429 	};
430 !}
431   {{ if t->more_id }}
432     <div id="np_wrapper">
433       <div id="nav_more">
434         <a href="{{ render gotweb_render_url(c, &more) }}">
435           More&nbsp;&darr;
436         </a>
437       </div>
438     </div>
439   {{ end }}
440 {{ end }}
441 
442 {{ define gotweb_render_navs(struct template *tp) }}
443 {!
444 	struct request		*c = tp->tp_arg;
445 	struct transport	*t = c->t;
446 	struct gotweb_url	 prev, next;
447 	int			 have_prev, have_next;
448 
449 	gotweb_get_navs(c, &prev, &have_prev, &next, &have_next);
450 !}
451 <div id="np_wrapper">
452   <div id="nav_prev">
453     {{ if have_prev }}
454       <a href="{{ render gotweb_render_url(c, &prev) }}">
455         Previous
456       </a>
457     {{ end }}
458   </div>
459   <div id="nav_next">
460     {{ if have_next }}
461       <a href="{{ render gotweb_render_url(c, &next) }}">
462         Next
463       </a>
464     {{ end }}
465   </div>
466 </div>
467 {{ finally }}
468 {!
469 	free(t->next_id);
470 	t->next_id = NULL;
471 	free(t->prev_id);
472 	t->prev_id = NULL;
473 !}
474 {{ end }}
475 
476 {{ define gotweb_render_commits(struct template *tp) }}
477 {!
478 	struct request		*c = tp->tp_arg;
479 	struct transport	*t = c->t;
480 	struct repo_dir		*repo_dir = t->repo_dir;
481 	struct repo_commit	*rc;
482 	struct gotweb_url	 diff, tree;
483 
484 	diff = (struct gotweb_url){
485 		.action = DIFF,
486 		.index_page = -1,
487 		.page = -1,
488 		.path = repo_dir->name,
489 	};
490 	tree = (struct gotweb_url){
491 		.action = TREE,
492 		.index_page = -1,
493 		.page = -1,
494 		.path = repo_dir->name,
495 	};
496 !}
497 <header class="subtitle">
498   <h2>Commits</h2>
499 </header>
500 <div class="commits_content">
501   {{ tailq-foreach rc &t->repo_commits entry }}
502     {!
503 	diff.commit = rc->commit_id;
504 	tree.commit = rc->commit_id;
505     !}
506     <div class="page_header_wrapper">
507       <dl>
508         <dt>Commit:</dt>
509         <dd><code class="commit-id">{{ rc->commit_id }}</code></dd>
510         <dt>From:</dt>
511         <dd>{{ rc->author }}</dd>
512 	{{ if strcmp(rc->committer, rc->author) != 0 }}
513           <dt>Via:</dt>
514           <dd>{{ rc->committer }}</dd>
515 	{{ end }}
516         <dt>Date:</dt>
517         <dd>
518           {{ render datetime(tp, rc->committer_time, TM_LONG) }}
519         </dd>
520       </dl>
521     </div>
522     <hr />
523     <div class="commit">
524       {{ "\n" }}
525       {{ rc->commit_msg }}
526     </div>
527     <div class="navs_wrapper">
528       <div class="navs">
529         <a href="{{ render gotweb_render_url(c, &diff) }}">diff</a>
530 	{{ " | " }}
531         <a href="{{ render gotweb_render_url(c, &tree) }}">tree</a>
532       </div>
533     </div>
534     <hr />
535   {{ end }}
536   {{ render gotweb_render_more(tp, COMMITS) }}
537 </div>
538 {{ end }}
539 
540 {{ define gotweb_render_blob(struct template *tp) }}
541 {!
542 	struct request		*c = tp->tp_arg;
543 	struct transport	*t = c->t;
544 	struct got_blob_object	*blob = t->blob;
545 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
546 !}
547 <header class="subtitle">
548   <h2>Blob</h2>
549 </header>
550 <div id="blob_content">
551   <div class="page_header_wrapper">
552     <dl>
553       <dt>Date:</dt>
554       <dd>
555         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
556       </dd>
557       <dt>Message:</dt>
558       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
559     </dl>
560   </div>
561   <hr />
562   <div id="blob">
563     <pre>
564       {{ render got_output_blob_by_lines(tp, blob, gotweb_render_blob_line) }}
565     </pre>
566   </div>
567 </div>
568 {{ end }}
569 
570 {{ define gotweb_render_blob_line(struct template *tp, const char *line,
571     size_t no) }}
572 {!
573 	char		 lineno[16];
574 	int		 r;
575 
576 	r = snprintf(lineno, sizeof(lineno), "%zu", no);
577 	if (r < 0 || (size_t)r >= sizeof(lineno))
578 		return -1;
579 !}
580 <div class="blob_line" id="line{{ lineno }}">
581   <a href="#line{{ lineno }}">{{ lineno }}</a>
582   {{" "}}
583   <span class="blob_code">{{ line }}</span>
584 </div>
585 {{ end }}
586 
587 {{ define gotweb_render_tree(struct template *tp) }}
588 {!
589 	struct request		*c = tp->tp_arg;
590 	struct transport	*t = c->t;
591 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
592 !}
593 <header class='subtitle'>
594   <h2>Tree</h2>
595 </header>
596 <div id="tree_content">
597   <div class="page_header_wrapper">
598     <dl>
599       <dt>Tree:</dt>
600       <dd><code class="commit-id">{{ rc->tree_id }}</code></dd>
601       <dt>Date:</dt>
602       <dd>
603         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
604       </dd>
605       <dt>Message:</dt>
606       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
607     </dl>
608   </div>
609   <hr />
610   <table id="tree">
611     {{ render got_output_repo_tree(c, gotweb_render_tree_item) }}
612   </table>
613 </div>
614 {{ end }}
615 
616 {{ define gotweb_render_tree_item(struct template *tp,
617     struct got_tree_entry *te) }}
618 {!
619 	struct request		*c = tp->tp_arg;
620 	struct transport	*t = c->t;
621 	struct querystring	*qs = t->qs;
622 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
623 	const char		*modestr = "";
624 	const char		*name;
625 	const char		*folder;
626 	char			*dir = NULL;
627 	mode_t			 mode;
628 	struct gotweb_url	 url = {
629 	       .index_page = -1,
630 	       .page = -1,
631 	       .commit = rc->commit_id,
632 	       .path = qs->path,
633 	};
634 
635 	name = got_tree_entry_get_name(te);
636 	mode = got_tree_entry_get_mode(te);
637 
638 	folder = qs->folder ? qs->folder : "";
639 	if (S_ISDIR(mode)) {
640 		if (asprintf(&dir, "%s/%s", folder, name) == -1)
641 			return (-1);
642 
643 		url.action = TREE;
644 		url.folder = dir;
645 	} else {
646 		url.action = BLOB;
647 		url.folder = folder;
648 		url.file = name;
649 	}
650 
651 	if (got_object_tree_entry_is_submodule(te))
652 		modestr = "$";
653 	else if (S_ISLNK(mode))
654 		modestr = "@";
655 	else if (S_ISDIR(mode))
656 		modestr = "/";
657 	else if (mode & S_IXUSR)
658 		modestr = "*";
659 !}
660 <tr class="tree_wrapper">
661   {{ if S_ISDIR(mode) }}
662     <td class="tree_line" colspan=2>
663       <a href="{{ render gotweb_render_url(c, &url) }}">
664         {{ name }}{{ modestr }}
665       </a>
666     </td>
667   {{ else }}
668     <td class="tree_line">
669       <a href="{{ render gotweb_render_url(c, &url) }}">
670         {{ name }}{{ modestr }}
671       </a>
672     </td>
673     <td class="tree_line_blank">
674       {! url.action = COMMITS; !}
675       <a href="{{ render gotweb_render_url(c, &url) }}">
676         commits
677       </a>
678       {{ " | " }}
679       {! url.action = BLAME; !}
680       <a href="{{ render gotweb_render_url(c, &url) }}">
681         blame
682       </a>
683     </td>
684   {{ end }}
685 </tr>
686 {{ finally }}
687 {!
688 	free(dir);
689 !}
690 {{ end }}
691 
692 {{ define gotweb_render_tags(struct template *tp) }}
693 {!
694 	struct request		*c = tp->tp_arg;
695 	struct transport	*t = c->t;
696 	struct querystring	*qs = t->qs;
697 	struct repo_tag		*rt;
698 	int			 commit_found;
699 
700 	commit_found = qs->commit == NULL;
701 !}
702 <header class='subtitle'>
703   <h2>Tags</h2>
704 </header>
705 <div id="tags_content">
706   {{ if t->tag_count == 0 }}
707     <div id="err_content">
708       This repository contains no tags
709     </div>
710   {{ else }}
711     {{ tailq-foreach rt &t->repo_tags entry }}
712       {{ if commit_found || !strcmp(qs->commit, rt->commit_id) }}
713         {! commit_found = 1; !}
714         {{ render tag_item(tp, rt) }}
715       {{ end }}
716     {{ end }}
717     {{ if t->next_id || t->prev_id }}
718       {! qs->action = TAGS; !}
719       {{ render gotweb_render_navs(tp) }}
720     {{ end }}
721   {{ end }}
722 </div>
723 {{ end }}
724 
725 {{ define tag_item(struct template *tp, struct repo_tag *rt) }}
726 {!
727 	struct request		*c = tp->tp_arg;
728 	struct transport	*t = c->t;
729 	struct repo_dir		*repo_dir = t->repo_dir;
730 	char			*tag_name = rt->tag_name;
731 	char			*msg = rt->tag_commit;
732 	char			*nl;
733 	struct gotweb_url	 url = {
734 		.action = TAG,
735 		.index_page = -1,
736 		.page = -1,
737 		.path = repo_dir->name,
738 		.commit = rt->commit_id,
739 	};
740 
741 	if (strncmp(tag_name, "refs/tags/", 10) == 0)
742 		tag_name += 10;
743 
744 	if (msg) {
745 		nl = strchr(msg, '\n');
746 		if (nl)
747 			*nl = '\0';
748 	}
749 !}
750 <div class="tag_age">
751   {{ render datetime(tp, rt->tagger_time, TM_DIFF) }}
752 </div>
753 <div class="tag_name">{{ tag_name }}</div>
754 <div class="tag_log">
755   <a href="{{ render gotweb_render_url(c, &url) }}">
756     {{ msg }}
757   </a>
758 </div>
759 <div class="navs_wrapper">
760   <div class="navs">
761     <a href="{{ render gotweb_render_url(c, &url) }}">tag</a>
762     {{ " | " }}
763     {! url.action = BRIEFS; !}
764     <a href="{{ render gotweb_render_url(c, &url) }}">commit briefs</a>
765     {{ " | " }}
766     {! url.action = COMMITS; !}
767     <a href="{{ render gotweb_render_url(c, &url) }}">commits</a>
768   </div>
769 </div>
770 <hr />
771 {{ end }}
772 
773 {{ define gotweb_render_tag(struct template *tp) }}
774 {!
775 	struct request		*c = tp->tp_arg;
776 	struct transport	*t = c->t;
777 	struct repo_tag		*rt;
778 	const char		*tag_name;
779 
780 	rt = TAILQ_LAST(&t->repo_tags, repo_tags_head);
781 	tag_name = rt->tag_name;
782 
783 	if (strncmp(tag_name, "refs/", 5) == 0)
784 		tag_name += 5;
785 !}
786 <header class="subtitle">
787   <h2>Tag</h2>
788 </header>
789 <div id="tags_content">
790   <div class="page_header_wrapper">
791     <dl>
792       <dt>Commit:</dt>
793       <dd>
794         <code class="commit-id">{{ rt->commit_id }}</code>
795         {{ " " }}
796         <span class="refs_str">({{ tag_name }})</span>
797       </dd>
798       <dt>Tagger:</dt>
799       <dd>{{ rt->tagger }}</dd>
800       <dt>Date:</dt>
801       <dd>
802         {{ render datetime(tp, rt->tagger_time, TM_LONG)}}
803       </dd>
804       <dt>Message:</dt>
805       <dd class="commit-msg">{{ rt->commit_msg }}</dd>
806     </dl>
807     <hr />
808     <pre id="tag_commit">
809       {{ rt->tag_commit }}
810     </pre>
811   </div>
812 </div>
813 {{ end }}
814 
815 {{ define gotweb_render_diff(struct template *tp) }}
816 {!
817 	struct request		*c = tp->tp_arg;
818 	struct transport	*t = c->t;
819 	FILE			*fp = t->fp;
820 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
821 	char			*line = NULL;
822 	size_t			 linesize = 0;
823 	ssize_t			 linelen;
824 !}
825 <header class="subtitle">
826   <h2>Commit Diff</h2>
827 </header>
828 <div id="diff_content">
829   <div class="page_header_wrapper">
830     <dl>
831       <dt>Commit:</dt>
832       <dd><code class="commit-id">{{ rc->commit_id }}</code></dd>
833       <dt>From:</dt>
834       <dd>{{ rc->author }}</dd>
835       {{ if strcmp(rc->committer, rc->author) != 0 }}
836         <dt>Via:</dt>
837         <dd>{{ rc->committer }}</dd>
838       {{ end }}
839       <dt>Date:</dt>
840       <dd>
841         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
842       </dd>
843       <dt>Message:</dt>
844       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
845     </dl>
846   </div>
847   <hr />
848   <pre id="diff">
849     {{ while (linelen = getline(&line, &linesize, fp)) != -1 }}
850       {{ render diff_line(tp, line) }}
851     {{ end }}
852   </pre>
853 </div>
854 {{ finally }}
855 {! free(line); !}
856 {{ end }}
857 
858 {{ define diff_line(struct template *tp, char *line )}}
859 {!
860 	const char		*color = NULL;
861 	char			*nl;
862 
863 	if (!strncmp(line, "-", 1))
864 		color = "diff_minus";
865 	else if (!strncmp(line, "+", 1))
866 		color = "diff_plus";
867 	else if (!strncmp(line, "@@", 2))
868 		color = "diff_chunk_header";
869 	else if (!strncmp(line, "commit +", 8) ||
870 	    !strncmp(line, "commit -", 8) ||
871 	    !strncmp(line, "blob +", 6) ||
872 	    !strncmp(line, "blob -", 6) ||
873 	    !strncmp(line, "file +", 6) ||
874 	    !strncmp(line, "file -", 6))
875 		color = "diff_meta";
876 	else if (!strncmp(line, "from:", 5) || !strncmp(line, "via:", 4))
877 		color = "diff_author";
878 	else if (!strncmp(line, "date:", 5))
879 		color = "diff_date";
880 
881 	nl = strchr(line, '\n');
882 	if (nl)
883 		*nl = '\0';
884 !}
885 <span class="diff_line {{ color }}">{{ line }}</span>{{"\n"}}
886 {{ end }}
887 
888 {{ define gotweb_render_branches(struct template *tp,
889     struct got_reflist_head *refs) }}
890 {!
891 	struct got_reflist_entry	*re;
892 !}
893 <header class='subtitle'>
894   <h2>Branches</h2>
895 </header>
896 <div id="branches_content">
897   {{ tailq-foreach re refs entry }}
898     {{ if !got_ref_is_symbolic(re->ref) }}
899       {{ render branch(tp, re) }}
900     {{ end }}
901   {{ end }}
902 </div>
903 {{ end }}
904 
905 {{ define branch(struct template *tp, struct got_reflist_entry *re) }}
906 {!
907 	const struct got_error	*err;
908 	struct request		*c = tp->tp_arg;
909 	struct querystring	*qs = c->t->qs;
910 	const char		*refname;
911 	time_t			 age;
912 	struct gotweb_url	 url = {
913 		.action = SUMMARY,
914 		.index_page = -1,
915 		.page = -1,
916 		.path = qs->path,
917 	};
918 
919 	refname = got_ref_get_name(re->ref);
920 
921 	err = got_get_repo_age(&age, c, refname);
922 	if (err) {
923 		log_warnx("%s: %s", __func__, err->msg);
924 		return -1;
925 	}
926 
927 	if (strncmp(refname, "refs/heads/", 11) == 0)
928 		refname += 11;
929 
930 	url.headref = refname;
931 !}
932 <section class="branches_wrapper">
933   <div class="branches_age">
934     {{ render datetime(tp, age, TM_DIFF) }}
935   </div>
936   <div class="branch">
937     <a href="{{ render gotweb_render_url(c, &url) }}">{{ refname }}</a>
938   </div>
939   <div class="navs_wrapper">
940     <div class="navs">
941       <a href="{{ render gotweb_render_url(c, &url) }}">summary</a>
942       {{" | "}}
943       {! url.action = BRIEFS; !}
944       <a href="{{ render gotweb_render_url(c, &url) }}">commit briefs</a>
945       {{" | "}}
946       {! url.action = COMMITS; !}
947       <a href="{{ render gotweb_render_url(c, &url) }}">commits</a>
948     </div>
949   </div>
950   <hr />
951 </section>
952 {{ end }}
953 
954 {{ define gotweb_render_summary(struct template *tp) }}
955 {!
956 	struct request		*c = tp->tp_arg;
957 	struct server		*srv = c->srv;
958 	struct transport	*t = c->t;
959 	struct got_reflist_head	*refs = &t->refs;
960 !}
961 <dl id="summary_wrapper">
962   {{ if srv->show_repo_description }}
963     <dt>Description:</dt>
964     <dd>{{ t->repo_dir->description }}</dd>
965   {{ end }}
966   {{ if srv->show_repo_owner }}
967     <dt>Owner:</dt>
968     <dd>{{ t->repo_dir->owner }}</dd>
969   {{ end }}
970   {{ if srv->show_repo_age }}
971     <dt>Last Change:</dt>
972     <dd>
973       {{ render datetime(tp, t->repo_dir->age, TM_DIFF) }}
974     </dd>
975   {{ end }}
976   {{ if srv->show_repo_cloneurl }}
977     <dt>Clone URL:</dt>
978     <dd><pre class="clone-url">{{ t->repo_dir->url }}</pre></dd>
979   {{ end }}
980 </dl>
981 {{ render gotweb_render_briefs(tp) }}
982 {{ render gotweb_render_tags(tp) }}
983 {{ render gotweb_render_branches(tp, refs) }}
984 {{ end }}
985 
986 {{ define gotweb_render_blame(struct template *tp) }}
987 {!
988 	const struct got_error	*err;
989 	struct request		*c = tp->tp_arg;
990 	struct transport	*t = c->t;
991 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
992 !}
993 <header class="subtitle">
994   <h2>Blame</h2>
995 </header>
996 <div id="blame_content">
997   <div class="page_header_wrapper">
998     <dl>
999       <dt>Date:</dt>
1000       <dd>
1001         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
1002       </dd>
1003       <dt>Message:</dt>
1004       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
1005     </dl>
1006   </div>
1007   <hr />
1008   <pre id="blame">
1009     {!
1010 	err = got_output_file_blame(c, &blame_line);
1011 	if (err && err->code != GOT_ERR_CANCELLED)
1012 		log_warnx("%s: got_output_file_blame: %s", __func__,
1013 		    err->msg);
1014 	if (err)
1015 		return (-1);
1016     !}
1017   </pre>
1018 </div>
1019 {{ end }}
1020 
1021 {{ define blame_line(struct template *tp, const char *line,
1022     struct blame_line *bline, int lprec, int lcur) }}
1023 {!
1024 	struct request		*c = tp->tp_arg;
1025 	struct transport	*t = c->t;
1026 	struct repo_dir		*repo_dir = t->repo_dir;
1027 	char			*committer, *s;
1028 	struct gotweb_url	 url = {
1029 		.action = DIFF,
1030 		.index_page = -1,
1031 		.page = -1,
1032 		.path = repo_dir->name,
1033 		.commit = bline->id_str,
1034 	};
1035 
1036 	s = strchr(bline->committer, '<');
1037 	committer = s ? s + 1 : bline->committer;
1038 
1039 	s = strchr(committer, '@');
1040 	if (s)
1041 		*s = '\0';
1042 !}
1043 <div class="blame_wrapper">
1044   <div class="blame_number">{{ printf "%.*d", lprec, lcur }}</div>
1045   <div class="blame_hash">
1046     <a href="{{ render gotweb_render_url(c, &url) }}">
1047       {{ printf "%.8s", bline->id_str }}
1048     </a>
1049   </div>
1050   <div class="blame_date">{{ bline->datebuf }}</div>
1051   <div class="blame_author">{{ printf "%.9s", committer }}</div>
1052   <div class="blame_code">{{ line }}</div>
1053 </div>
1054 {{ end }}
1055 
1056 {{ define gotweb_render_rss(struct template *tp) }}
1057 {!
1058 	struct request		*c = tp->tp_arg;
1059 	struct server		*srv = c->srv;
1060 	struct transport	*t = c->t;
1061 	struct repo_dir		*repo_dir = t->repo_dir;
1062 	struct repo_tag		*rt;
1063 	struct gotweb_url	 summary = {
1064 		.action = SUMMARY,
1065 		.index_page = -1,
1066 		.page = -1,
1067 		.path = repo_dir->name,
1068 	};
1069 !}
1070 <?xml version="1.0" encoding="UTF-8"?>
1071 <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
1072   <channel>
1073     <title>Tags of {{ repo_dir->name }}</title>
1074     <link>
1075       <![CDATA[
1076         {{ render gotweb_render_absolute_url(c, &summary) }}
1077       ]]>
1078     </link>
1079     {{ if srv->show_repo_description }}
1080       <description>{{ repo_dir->description }}</description>
1081     {{ end }}
1082     {{ tailq-foreach rt &t->repo_tags entry }}
1083       {{ render rss_tag_item(tp, rt) }}
1084     {{ end }}
1085   </channel>
1086 </rss>
1087 {{ end }}
1088 
1089 {{ define rss_tag_item(struct template *tp, struct repo_tag *rt) }}
1090 {!
1091 	struct request		*c = tp->tp_arg;
1092 	struct transport	*t = c->t;
1093 	struct repo_dir		*repo_dir = t->repo_dir;
1094 	struct tm		 tm;
1095 	char			 rfc822[128];
1096 	int			 r;
1097 	char			*tag_name = rt->tag_name;
1098 	struct gotweb_url	 tag = {
1099 		.action = TAG,
1100 		.index_page = -1,
1101 		.page = -1,
1102 		.path = repo_dir->name,
1103 		.commit = rt->commit_id,
1104 	};
1105 
1106 	if (strncmp(tag_name, "refs/tags/", 10) == 0)
1107 		tag_name += 10;
1108 
1109 	if (gmtime_r(&rt->tagger_time, &tm) == NULL)
1110 		return -1;
1111 	r = strftime(rfc822, sizeof(rfc822), "%a, %d %b %Y %H:%M:%S GMT", &tm);
1112 	if (r == 0)
1113 		return 0;
1114 !}
1115 <item>
1116   <title>{{ repo_dir->name }} {{" "}} {{ tag_name }}</title>
1117   <link>
1118     <![CDATA[
1119       {{ render gotweb_render_absolute_url(c, &tag) }}
1120     ]]>
1121   </link>
1122   <description>
1123     <![CDATA[<pre>{{ rt->tag_commit }}</pre>]]>
1124   </description>
1125   {{ render rss_author(tp, rt->tagger) }}
1126   <guid isPermaLink="false">{{ rt->commit_id }}</guid>
1127   <pubDate>
1128     {{ rfc822 }}
1129   </pubDate>
1130 </item>
1131 {{ end }}
1132 
1133 {{ define rss_author(struct template *tp, char *author) }}
1134 {!
1135 	char	*t, *mail;
1136 
1137 	/* what to do if the author name contains a paren? */
1138 	if (strchr(author, '(') != NULL || strchr(author, ')') != NULL)
1139 		return 0;
1140 
1141 	t = strchr(author, '<');
1142 	if (t == NULL)
1143 		return 0;
1144 	*t = '\0';
1145 	mail = t+1;
1146 
1147 	while (isspace((unsigned char)*--t))
1148 		*t = '\0';
1149 
1150 	t = strchr(mail, '>');
1151 	if (t == NULL)
1152 		return 0;
1153 	*t = '\0';
1154 !}
1155 <author>
1156   {{ mail }} {{" "}} ({{ author }})
1157 </author>
1158 {{ end }}