stagit

personal fork of static git page generator
git clone https://a3nm.net/git/stagit/
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stagit.c (30215B)


      1 #include <sys/stat.h>
      2 #include <sys/types.h>
      3 
      4 #include <err.h>
      5 #include <errno.h>
      6 #include <inttypes.h>
      7 #include <libgen.h>
      8 #include <limits.h>
      9 #include <stdio.h>
     10 #include <stdlib.h>
     11 #include <string.h>
     12 #include <unistd.h>
     13 
     14 #include <git2.h>
     15 
     16 #include "compat.h"
     17 
     18 struct deltainfo {
     19 	git_patch *patch;
     20 
     21 	size_t addcount;
     22 	size_t delcount;
     23 };
     24 
     25 struct commitinfo {
     26 	const git_oid *id;
     27 
     28 	char oid[GIT_OID_HEXSZ + 1];
     29 	char parentoid[GIT_OID_HEXSZ + 1];
     30 
     31 	const git_signature *author;
     32 	const git_signature *committer;
     33 	const char          *summary;
     34 	const char          *msg;
     35 
     36 	git_diff   *diff;
     37 	git_commit *commit;
     38 	git_commit *parent;
     39 	git_tree   *commit_tree;
     40 	git_tree   *parent_tree;
     41 
     42 	size_t addcount;
     43 	size_t delcount;
     44 	size_t filecount;
     45 
     46 	struct deltainfo **deltas;
     47 	size_t ndeltas;
     48 };
     49 
     50 static git_repository *repo;
     51 
     52 static const char *relpath = "";
     53 static const char *repodir;
     54 
     55 static char *name = "";
     56 static char *strippedname = "";
     57 static char description[255];
     58 static char cloneurl[1024];
     59 static int haslicense, hasreadme, hassubmodules;
     60 static long long nlogcommits = -1; /* < 0 indicates not used */
     61 
     62 /* cache */
     63 static git_oid lastoid;
     64 static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + nul byte */
     65 static FILE *rcachefp, *wcachefp;
     66 static const char *cachefile;
     67 
     68 #ifndef USE_PLEDGE
     69 #define pledge(p1,p2) 0
     70 #endif
     71 
     72 void
     73 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2)
     74 {
     75 	int r;
     76 
     77 	r = snprintf(buf, bufsiz, "%s%s%s",
     78 		path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
     79 	if (r == -1 || (size_t)r >= bufsiz)
     80 		errx(1, "path truncated: '%s%s%s'",
     81 			path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
     82 }
     83 
     84 void
     85 deltainfo_free(struct deltainfo *di)
     86 {
     87 	if (!di)
     88 		return;
     89 	git_patch_free(di->patch);
     90 	memset(di, 0, sizeof(*di));
     91 	free(di);
     92 }
     93 
     94 int
     95 commitinfo_getstats(struct commitinfo *ci)
     96 {
     97 	struct deltainfo *di;
     98 	git_diff_options opts;
     99 	const git_diff_delta *delta;
    100 	const git_diff_hunk *hunk;
    101 	const git_diff_line *line;
    102 	git_patch *patch = NULL;
    103 	size_t ndeltas, nhunks, nhunklines;
    104 	size_t i, j, k;
    105 
    106 	if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit)))
    107 		goto err;
    108 	if (!git_commit_parent(&(ci->parent), ci->commit, 0)) {
    109 		if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) {
    110 			ci->parent = NULL;
    111 			ci->parent_tree = NULL;
    112 		}
    113 	}
    114 
    115 	git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION);
    116 	opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH;
    117 	if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts))
    118 		goto err;
    119 
    120 	ndeltas = git_diff_num_deltas(ci->diff);
    121 	if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *))))
    122 		err(1, "calloc");
    123 
    124 	for (i = 0; i < ndeltas; i++) {
    125 		if (git_patch_from_diff(&patch, ci->diff, i))
    126 			goto err;
    127 		if (!(di = calloc(1, sizeof(struct deltainfo))))
    128 			err(1, "calloc");
    129 		di->patch = patch;
    130 		ci->deltas[i] = di;
    131 
    132 		delta = git_patch_get_delta(patch);
    133 
    134 		/* skip stats for binary data */
    135 		if (delta->flags & GIT_DIFF_FLAG_BINARY)
    136 			continue;
    137 
    138 		nhunks = git_patch_num_hunks(patch);
    139 		for (j = 0; j < nhunks; j++) {
    140 			if (git_patch_get_hunk(&hunk, &nhunklines, patch, j))
    141 				break;
    142 			for (k = 0; ; k++) {
    143 				if (git_patch_get_line_in_hunk(&line, patch, j, k))
    144 					break;
    145 				if (line->old_lineno == -1) {
    146 					di->addcount++;
    147 					ci->addcount++;
    148 				} else if (line->new_lineno == -1) {
    149 					di->delcount++;
    150 					ci->delcount++;
    151 				}
    152 			}
    153 		}
    154 	}
    155 	ci->ndeltas = i;
    156 	ci->filecount = i;
    157 
    158 	return 0;
    159 
    160 err:
    161 	git_diff_free(ci->diff);
    162 	ci->diff = NULL;
    163 	git_tree_free(ci->commit_tree);
    164 	ci->commit_tree = NULL;
    165 	git_tree_free(ci->parent_tree);
    166 	ci->parent_tree = NULL;
    167 	git_commit_free(ci->parent);
    168 	ci->parent = NULL;
    169 
    170 	if (ci->deltas)
    171 		for (i = 0; i < ci->ndeltas; i++)
    172 			deltainfo_free(ci->deltas[i]);
    173 	free(ci->deltas);
    174 	ci->deltas = NULL;
    175 	ci->ndeltas = 0;
    176 	ci->addcount = 0;
    177 	ci->delcount = 0;
    178 	ci->filecount = 0;
    179 
    180 	return -1;
    181 }
    182 
    183 void
    184 commitinfo_free(struct commitinfo *ci)
    185 {
    186 	size_t i;
    187 
    188 	if (!ci)
    189 		return;
    190 	if (ci->deltas)
    191 		for (i = 0; i < ci->ndeltas; i++)
    192 			deltainfo_free(ci->deltas[i]);
    193 
    194 	free(ci->deltas);
    195 	git_diff_free(ci->diff);
    196 	git_tree_free(ci->commit_tree);
    197 	git_tree_free(ci->parent_tree);
    198 	git_commit_free(ci->commit);
    199 	git_commit_free(ci->parent);
    200 	memset(ci, 0, sizeof(*ci));
    201 	free(ci);
    202 }
    203 
    204 struct commitinfo *
    205 commitinfo_getbyoid(const git_oid *id)
    206 {
    207 	struct commitinfo *ci;
    208 
    209 	if (!(ci = calloc(1, sizeof(struct commitinfo))))
    210 		err(1, "calloc");
    211 
    212 	if (git_commit_lookup(&(ci->commit), repo, id))
    213 		goto err;
    214 	ci->id = id;
    215 
    216 	git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit));
    217 	git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0));
    218 
    219 	ci->author = git_commit_author(ci->commit);
    220 	ci->committer = git_commit_committer(ci->commit);
    221 	ci->summary = git_commit_summary(ci->commit);
    222 	ci->msg = git_commit_message(ci->commit);
    223 
    224 	return ci;
    225 
    226 err:
    227 	commitinfo_free(ci);
    228 
    229 	return NULL;
    230 }
    231 
    232 FILE *
    233 efopen(const char *name, const char *flags)
    234 {
    235 	FILE *fp;
    236 
    237 	if (!(fp = fopen(name, flags)))
    238 		err(1, "fopen: '%s'", name);
    239 
    240 	return fp;
    241 }
    242 
    243 /* Escape characters below as HTML 2.0 / XML 1.0. */
    244 void
    245 xmlencode(FILE *fp, const char *s, size_t len)
    246 {
    247 	size_t i;
    248 
    249 	for (i = 0; *s && i < len; s++, i++) {
    250 		switch(*s) {
    251 		case '<':  fputs("&lt;",   fp); break;
    252 		case '>':  fputs("&gt;",   fp); break;
    253 		case '\'': fputs("&#39;",  fp); break;
    254 		case '&':  fputs("&amp;",  fp); break;
    255 		case '"':  fputs("&quot;", fp); break;
    256 		default:   fputc(*s, fp);
    257 		}
    258 	}
    259 }
    260 
    261 int
    262 mkdirp(const char *path)
    263 {
    264 	char tmp[PATH_MAX], *p;
    265 
    266 	if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp))
    267 		errx(1, "path truncated: '%s'", path);
    268 	for (p = tmp + (tmp[0] == '/'); *p; p++) {
    269 		if (*p != '/')
    270 			continue;
    271 		*p = '\0';
    272 		if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST)
    273 			return -1;
    274 		*p = '/';
    275 	}
    276 	if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST)
    277 		return -1;
    278 	return 0;
    279 }
    280 
    281 void
    282 printtimez(FILE *fp, const git_time *intime)
    283 {
    284 	struct tm *intm;
    285 	time_t t;
    286 	char out[32];
    287 
    288 	t = (time_t)intime->time;
    289 	if (!(intm = gmtime(&t)))
    290 		return;
    291 	strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm);
    292 	fputs(out, fp);
    293 }
    294 
    295 void
    296 printtime(FILE *fp, const git_time *intime)
    297 {
    298 	struct tm *intm;
    299 	time_t t;
    300 	char out[32];
    301 
    302 	t = (time_t)intime->time + (intime->offset * 60);
    303 	if (!(intm = gmtime(&t)))
    304 		return;
    305 	strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm);
    306 	if (intime->offset < 0)
    307 		fprintf(fp, "%s -%02d%02d", out,
    308 		            -(intime->offset) / 60, -(intime->offset) % 60);
    309 	else
    310 		fprintf(fp, "%s +%02d%02d", out,
    311 		            intime->offset / 60, intime->offset % 60);
    312 }
    313 
    314 void
    315 printtimeshort(FILE *fp, const git_time *intime)
    316 {
    317 	struct tm *intm;
    318 	time_t t;
    319 	char out[32];
    320 
    321 	t = (time_t)intime->time;
    322 	if (!(intm = gmtime(&t)))
    323 		return;
    324 	strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm);
    325 	fputs(out, fp);
    326 }
    327 
    328 void
    329 writeheader(FILE *fp, const char *title)
    330 {
    331 	fputs("<!DOCTYPE html>\n"
    332 		"<html>\n<head>\n"
    333 		"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"
    334 		"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n"
    335 		"<title>", fp);
    336 	xmlencode(fp, title, strlen(title));
    337 	if (title[0] && strippedname[0])
    338 		fputs(" - ", fp);
    339 	xmlencode(fp, strippedname, strlen(strippedname));
    340 	if (description[0])
    341 		fputs(" - ", fp);
    342 	xmlencode(fp, description, strlen(description));
    343 	fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"/favicon.png\" />\n", relpath);
    344 	fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\"%s Atom Feed\" href=\"%satom.xml\" />\n",
    345 		name, relpath);
    346 	fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"/stagit_style.css\" />\n", relpath);
    347 	fputs("</head>\n<body>\n<table><tr><td>", fp);
    348 	fprintf(fp, "<a href=\"../%s\"><img src=\"/stagit_logo.png\" alt=\"\" width=\"32\" height=\"32\" /></a>",
    349 	        relpath, relpath);
    350 	fputs("</td><td><h1>", fp);
    351 	xmlencode(fp, strippedname, strlen(strippedname));
    352 	fputs("</h1><span class=\"desc\">", fp);
    353 	xmlencode(fp, description, strlen(description));
    354 	fputs("</span></td></tr>", fp);
    355 	if (cloneurl[0]) {
    356 		fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp);
    357 		xmlencode(fp, cloneurl, strlen(cloneurl));
    358 		fputs("\">", fp);
    359 		xmlencode(fp, cloneurl, strlen(cloneurl));
    360 		fputs("</a></td></tr>", fp);
    361 	}
    362 	fputs("<tr><td></td><td>\n", fp);
    363 	fprintf(fp, "<a href=\"%sindex.html\">Log</a> | ", relpath);
    364 	fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath);
    365 	fprintf(fp, "<a href=\"%srefs.html\">Refs</a>", relpath);
    366 	if (hassubmodules)
    367 		fprintf(fp, " | <a href=\"%sfile/.gitmodules.html\">Submodules</a>", relpath);
    368 	if (hasreadme)
    369 		fprintf(fp, " | <a href=\"%sfile/README.html\">README</a>", relpath);
    370 	if (haslicense)
    371 		fprintf(fp, " | <a href=\"%sfile/LICENSE.html\">LICENSE</a>", relpath);
    372 	fputs("</td></tr></table>\n<hr/>\n<div id=\"content\">\n", fp);
    373 }
    374 
    375 void
    376 writefooter(FILE *fp)
    377 {
    378 	fputs("</div>\n</body>\n</html>\n", fp);
    379 }
    380 
    381 int
    382 writeblobhtml(FILE *fp, const git_blob *blob)
    383 {
    384 	size_t n = 0, i, prev;
    385 	const char *nfmt = "<a href=\"#l%d\" class=\"line\" id=\"l%d\">%7d</a> ";
    386 	const char *s = git_blob_rawcontent(blob);
    387 	git_off_t len = git_blob_rawsize(blob);
    388 
    389 	fputs("<pre id=\"blob\">\n", fp);
    390 
    391 	if (len > 0) {
    392 		for (i = 0, prev = 0; i < (size_t)len; i++) {
    393 			if (s[i] != '\n')
    394 				continue;
    395 			n++;
    396 			fprintf(fp, nfmt, n, n, n);
    397 			xmlencode(fp, &s[prev], i - prev + 1);
    398 			prev = i + 1;
    399 		}
    400 		/* trailing data */
    401 		if ((len - prev) > 0) {
    402 			n++;
    403 			fprintf(fp, nfmt, n, n, n);
    404 			xmlencode(fp, &s[prev], len - prev);
    405 		}
    406 	}
    407 
    408 	fputs("</pre>\n", fp);
    409 
    410 	return n;
    411 }
    412 
    413 void
    414 printcommit(FILE *fp, struct commitinfo *ci)
    415 {
    416 	fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n",
    417 		relpath, ci->oid, ci->oid);
    418 
    419 	if (ci->parentoid[0])
    420 		fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n",
    421 			relpath, ci->parentoid, ci->parentoid);
    422 
    423 	if (ci->author) {
    424 		fputs("<b>Author:</b> ", fp);
    425 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
    426 		fputs(" &lt;<a href=\"mailto:", fp);
    427 		xmlencode(fp, ci->author->email, strlen(ci->author->email));
    428 		fputs("\">", fp);
    429 		xmlencode(fp, ci->author->email, strlen(ci->author->email));
    430 		fputs("</a>&gt;\n<b>Date:</b>   ", fp);
    431 		printtime(fp, &(ci->author->when));
    432 		fputc('\n', fp);
    433 	}
    434 	if (ci->msg) {
    435 		fputc('\n', fp);
    436 		xmlencode(fp, ci->msg, strlen(ci->msg));
    437 		fputc('\n', fp);
    438 	}
    439 }
    440 
    441 void
    442 printshowfile(FILE *fp, struct commitinfo *ci)
    443 {
    444 	const git_diff_delta *delta;
    445 	const git_diff_hunk *hunk;
    446 	const git_diff_line *line;
    447 	git_patch *patch;
    448 	size_t nhunks, nhunklines, changed, add, del, total, i, j, k;
    449 	char linestr[80];
    450 
    451 	printcommit(fp, ci);
    452 
    453 	if (!ci->deltas)
    454 		return;
    455 
    456 	if (ci->filecount > 1000   ||
    457 	    ci->ndeltas   > 1000   ||
    458 	    ci->addcount  > 100000 ||
    459 	    ci->delcount  > 100000) {
    460 		fputs("Diff is too large, output suppressed.\n", fp);
    461 		return;
    462 	}
    463 
    464 	/* diff stat */
    465 	fputs("<b>Diffstat:</b>\n<table>", fp);
    466 	for (i = 0; i < ci->ndeltas; i++) {
    467 		delta = git_patch_get_delta(ci->deltas[i]->patch);
    468 		fprintf(fp, "<tr><td><a href=\"#h%zu\">", i);
    469 		xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path));
    470 		if (strcmp(delta->old_file.path, delta->new_file.path)) {
    471 			fputs(" -&gt; ", fp);
    472 			xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path));
    473 		}
    474 
    475 		add = ci->deltas[i]->addcount;
    476 		del = ci->deltas[i]->delcount;
    477 		changed = add + del;
    478 		total = sizeof(linestr) - 2;
    479 		if (changed > total) {
    480 			if (add)
    481 				add = ((float)total / changed * add) + 1;
    482 			if (del)
    483 				del = ((float)total / changed * del) + 1;
    484 		}
    485 		memset(&linestr, '+', add);
    486 		memset(&linestr[add], '-', del);
    487 
    488 		fprintf(fp, "</a></td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">",
    489 		        ci->deltas[i]->addcount + ci->deltas[i]->delcount);
    490 		fwrite(&linestr, 1, add, fp);
    491 		fputs("</span><span class=\"d\">", fp);
    492 		fwrite(&linestr[add], 1, del, fp);
    493 		fputs("</span></td></tr>\n", fp);
    494 	}
    495 	fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n",
    496 		ci->filecount, ci->filecount == 1 ? "" : "s",
    497 	        ci->addcount,  ci->addcount  == 1 ? "" : "s",
    498 	        ci->delcount,  ci->delcount  == 1 ? "" : "s");
    499 
    500 	fputs("<hr/>", fp);
    501 
    502 	for (i = 0; i < ci->ndeltas; i++) {
    503 		patch = ci->deltas[i]->patch;
    504 		delta = git_patch_get_delta(patch);
    505 		fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/%s.html\">%s</a> b/<a href=\"%sfile/%s.html\">%s</a></b>\n",
    506 			i, relpath, delta->old_file.path, delta->old_file.path,
    507 			relpath, delta->new_file.path, delta->new_file.path);
    508 
    509 		/* check binary data */
    510 		if (delta->flags & GIT_DIFF_FLAG_BINARY) {
    511 			fputs("Binary files differ.\n", fp);
    512 			continue;
    513 		}
    514 
    515 		nhunks = git_patch_num_hunks(patch);
    516 		for (j = 0; j < nhunks; j++) {
    517 			if (git_patch_get_hunk(&hunk, &nhunklines, patch, j))
    518 				break;
    519 
    520 			fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"h\">", i, j, i, j);
    521 			xmlencode(fp, hunk->header, hunk->header_len);
    522 			fputs("</a>", fp);
    523 
    524 			for (k = 0; ; k++) {
    525 				if (git_patch_get_line_in_hunk(&line, patch, j, k))
    526 					break;
    527 				if (line->old_lineno == -1)
    528 					fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"i\">+",
    529 						i, j, k, i, j, k);
    530 				else if (line->new_lineno == -1)
    531 					fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"d\">-",
    532 						i, j, k, i, j, k);
    533 				else
    534 					fputc(' ', fp);
    535 				xmlencode(fp, line->content, line->content_len);
    536 				if (line->old_lineno == -1 || line->new_lineno == -1)
    537 					fputs("</a>", fp);
    538 			}
    539 		}
    540 	}
    541 }
    542 
    543 void
    544 writelogline(FILE *fp, struct commitinfo *ci)
    545 {
    546 	fputs("<tr><td>", fp);
    547 	if (ci->author)
    548 		printtimeshort(fp, &(ci->author->when));
    549 	fputs("</td><td>", fp);
    550 	if (ci->summary) {
    551 		fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid);
    552 		xmlencode(fp, ci->summary, strlen(ci->summary));
    553 		fputs("</a>", fp);
    554 	}
    555 	fputs("</td><td>", fp);
    556 	if (ci->author)
    557 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
    558 	fputs("</td><td class=\"num\">", fp);
    559 	fprintf(fp, "%zu", ci->filecount);
    560 	fputs("</td><td class=\"num\">", fp);
    561 	fprintf(fp, "+%zu", ci->addcount);
    562 	fputs("</td><td class=\"num\">", fp);
    563 	fprintf(fp, "-%zu", ci->delcount);
    564 	fputs("</td></tr>\n", fp);
    565 }
    566 
    567 int
    568 writelog(FILE *fp, const git_oid *oid)
    569 {
    570 	struct commitinfo *ci;
    571 	git_revwalk *w = NULL;
    572 	git_oid id;
    573 	char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1];
    574 	FILE *fpfile;
    575 	int r;
    576 
    577 	git_revwalk_new(&w, repo);
    578 	git_revwalk_push(w, oid);
    579 	git_revwalk_sorting(w, GIT_SORT_TIME);
    580 	git_revwalk_simplify_first_parent(w);
    581 
    582 	while (!git_revwalk_next(&id, w)) {
    583 		relpath = "";
    584 
    585 		if (cachefile && !memcmp(&id, &lastoid, sizeof(id)))
    586 			break;
    587 
    588 		git_oid_tostr(oidstr, sizeof(oidstr), &id);
    589 		r = snprintf(path, sizeof(path), "commit/%s.html", oidstr);
    590 		if (r == -1 || (size_t)r >= sizeof(path))
    591 			errx(1, "path truncated: 'commit/%s.html'", oidstr);
    592 		r = access(path, F_OK);
    593 
    594 		/* optimization: if there are no log lines to write and
    595 		   the commit file already exists: skip the diffstat */
    596 		if (!nlogcommits && !r)
    597 			continue;
    598 
    599 		if (!(ci = commitinfo_getbyoid(&id)))
    600 			break;
    601 		/* diffstat: for stagit HTML required for the index.html line */
    602 		if (commitinfo_getstats(ci) == -1)
    603 			goto err;
    604 
    605 		if (nlogcommits < 0) {
    606 			writelogline(fp, ci);
    607 		} else if (nlogcommits > 0) {
    608 			writelogline(fp, ci);
    609 			nlogcommits--;
    610 		}
    611 
    612 		if (cachefile)
    613 			writelogline(wcachefp, ci);
    614 
    615 		/* check if file exists if so skip it */
    616 		if (r) {
    617 			relpath = "../";
    618 			fpfile = efopen(path, "w");
    619 			writeheader(fpfile, ci->summary);
    620 			fputs("<pre>", fpfile);
    621 			printshowfile(fpfile, ci);
    622 			fputs("</pre>\n", fpfile);
    623 			writefooter(fpfile);
    624 			fclose(fpfile);
    625 		}
    626 err:
    627 		commitinfo_free(ci);
    628 	}
    629 	git_revwalk_free(w);
    630 
    631 	relpath = "";
    632 
    633 	return 0;
    634 }
    635 
    636 void
    637 printcommitatom(FILE *fp, struct commitinfo *ci)
    638 {
    639 	fputs("<entry>\n", fp);
    640 
    641 	fprintf(fp, "<id>%s</id>\n", ci->oid);
    642 	if (ci->author) {
    643 		fputs("<published>", fp);
    644 		printtimez(fp, &(ci->author->when));
    645 		fputs("</published>\n", fp);
    646 	}
    647 	if (ci->committer) {
    648 		fputs("<updated>", fp);
    649 		printtimez(fp, &(ci->committer->when));
    650 		fputs("</updated>\n", fp);
    651 	}
    652 	if (ci->summary) {
    653 		fputs("<title type=\"text\">", fp);
    654 		xmlencode(fp, ci->summary, strlen(ci->summary));
    655 		fputs("</title>\n", fp);
    656 	}
    657 	fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"commit/%s.html\" />",
    658 	        ci->oid);
    659 
    660 	if (ci->author) {
    661 		fputs("<author><name>", fp);
    662 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
    663 		fputs("</name>\n<email>", fp);
    664 		xmlencode(fp, ci->author->email, strlen(ci->author->email));
    665 		fputs("</email>\n</author>\n", fp);
    666 	}
    667 
    668 	fputs("<content type=\"text\">", fp);
    669 	fprintf(fp, "commit %s\n", ci->oid);
    670 	if (ci->parentoid[0])
    671 		fprintf(fp, "parent %s\n", ci->parentoid);
    672 	if (ci->author) {
    673 		fputs("Author: ", fp);
    674 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
    675 		fputs(" &lt;", fp);
    676 		xmlencode(fp, ci->author->email, strlen(ci->author->email));
    677 		fputs("&gt;\nDate:   ", fp);
    678 		printtime(fp, &(ci->author->when));
    679 		fputc('\n', fp);
    680 	}
    681 	if (ci->msg) {
    682 		fputc('\n', fp);
    683 		xmlencode(fp, ci->msg, strlen(ci->msg));
    684 	}
    685 	fputs("\n</content>\n</entry>\n", fp);
    686 }
    687 
    688 int
    689 writeatom(FILE *fp)
    690 {
    691 	struct commitinfo *ci;
    692 	git_revwalk *w = NULL;
    693 	git_oid id;
    694 	size_t i, m = 100; /* last 'm' commits */
    695 
    696 	fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
    697 	      "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp);
    698 	xmlencode(fp, strippedname, strlen(strippedname));
    699 	fputs(", branch HEAD</title>\n<subtitle>", fp);
    700 	xmlencode(fp, description, strlen(description));
    701 	fputs("</subtitle>\n", fp);
    702 
    703 	git_revwalk_new(&w, repo);
    704 	git_revwalk_push_head(w);
    705 	git_revwalk_sorting(w, GIT_SORT_TIME);
    706 	git_revwalk_simplify_first_parent(w);
    707 
    708 	for (i = 0; i < m && !git_revwalk_next(&id, w); i++) {
    709 		if (!(ci = commitinfo_getbyoid(&id)))
    710 			break;
    711 		printcommitatom(fp, ci);
    712 		commitinfo_free(ci);
    713 	}
    714 	git_revwalk_free(w);
    715 
    716 	fputs("</feed>\n", fp);
    717 
    718 	return 0;
    719 }
    720 
    721 int
    722 writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t filesize)
    723 {
    724 	char tmp[PATH_MAX] = "", *d;
    725 	const char *p;
    726 	int lc = 0;
    727 	FILE *fp;
    728 
    729 	if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp))
    730 		errx(1, "path truncated: '%s'", fpath);
    731 	if (!(d = dirname(tmp)))
    732 		err(1, "dirname");
    733 	if (mkdirp(d))
    734 		return -1;
    735 
    736 	for (p = fpath, tmp[0] = '\0'; *p; p++) {
    737 		if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp))
    738 			errx(1, "path truncated: '../%s'", tmp);
    739 	}
    740 	relpath = tmp;
    741 
    742 	fp = efopen(fpath, "w");
    743 	writeheader(fp, filename);
    744 	fputs("<p> ", fp);
    745 	xmlencode(fp, filename, strlen(filename));
    746 	fprintf(fp, " (%juB)", (uintmax_t)filesize);
    747 	fputs("</p><hr/>", fp);
    748 
    749 	if (git_blob_is_binary((git_blob *)obj)) {
    750 		fputs("<p>Binary file.</p>\n", fp);
    751 	} else {
    752 		lc = writeblobhtml(fp, (git_blob *)obj);
    753 		if (ferror(fp))
    754 			err(1, "fwrite");
    755 	}
    756 	writefooter(fp);
    757 	fclose(fp);
    758 
    759 	relpath = "";
    760 
    761 	return lc;
    762 }
    763 
    764 const char *
    765 filemode(git_filemode_t m)
    766 {
    767 	static char mode[11];
    768 
    769 	memset(mode, '-', sizeof(mode) - 1);
    770 	mode[10] = '\0';
    771 
    772 	if (S_ISREG(m))
    773 		mode[0] = '-';
    774 	else if (S_ISBLK(m))
    775 		mode[0] = 'b';
    776 	else if (S_ISCHR(m))
    777 		mode[0] = 'c';
    778 	else if (S_ISDIR(m))
    779 		mode[0] = 'd';
    780 	else if (S_ISFIFO(m))
    781 		mode[0] = 'p';
    782 	else if (S_ISLNK(m))
    783 		mode[0] = 'l';
    784 	else if (S_ISSOCK(m))
    785 		mode[0] = 's';
    786 	else
    787 		mode[0] = '?';
    788 
    789 	if (m & S_IRUSR) mode[1] = 'r';
    790 	if (m & S_IWUSR) mode[2] = 'w';
    791 	if (m & S_IXUSR) mode[3] = 'x';
    792 	if (m & S_IRGRP) mode[4] = 'r';
    793 	if (m & S_IWGRP) mode[5] = 'w';
    794 	if (m & S_IXGRP) mode[6] = 'x';
    795 	if (m & S_IROTH) mode[7] = 'r';
    796 	if (m & S_IWOTH) mode[8] = 'w';
    797 	if (m & S_IXOTH) mode[9] = 'x';
    798 
    799 	if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S';
    800 	if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S';
    801 	if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T';
    802 
    803 	return mode;
    804 }
    805 
    806 int
    807 writefilestree(FILE *fp, git_tree *tree, const char *path)
    808 {
    809 	const git_tree_entry *entry = NULL;
    810 	git_submodule *module = NULL;
    811 	git_object *obj = NULL;
    812 	git_off_t filesize;
    813 	const char *entryname;
    814 	char filepath[PATH_MAX], entrypath[PATH_MAX];
    815 	size_t count, i;
    816 	int lc, r, ret;
    817 
    818 	count = git_tree_entrycount(tree);
    819 	for (i = 0; i < count; i++) {
    820 		if (!(entry = git_tree_entry_byindex(tree, i)) ||
    821 		    !(entryname = git_tree_entry_name(entry)))
    822 			return -1;
    823 		joinpath(entrypath, sizeof(entrypath), path, entryname);
    824 
    825 		r = snprintf(filepath, sizeof(filepath), "file/%s.html",
    826 		         entrypath);
    827 		if (r == -1 || (size_t)r >= sizeof(filepath))
    828 			errx(1, "path truncated: 'file/%s.html'", entrypath);
    829 
    830 		if (!git_tree_entry_to_object(&obj, repo, entry)) {
    831 			switch (git_object_type(obj)) {
    832 			case GIT_OBJ_BLOB:
    833 				break;
    834 			case GIT_OBJ_TREE:
    835 				/* NOTE: recurses */
    836 				ret = writefilestree(fp, (git_tree *)obj,
    837 				                     entrypath);
    838 				git_object_free(obj);
    839 				if (ret)
    840 					return ret;
    841 				continue;
    842 			default:
    843 				git_object_free(obj);
    844 				continue;
    845 			}
    846 
    847 			filesize = git_blob_rawsize((git_blob *)obj);
    848 			lc = writeblob(obj, filepath, entryname, filesize);
    849 
    850 			fputs("<tr><td>", fp);
    851 			fputs(filemode(git_tree_entry_filemode(entry)), fp);
    852 			fprintf(fp, "</td><td><a href=\"%s%s\">", relpath, filepath);
    853 			xmlencode(fp, entrypath, strlen(entrypath));
    854 			fputs("</a></td><td class=\"num\">", fp);
    855 			if (lc > 0)
    856 				fprintf(fp, "%dL", lc);
    857 			else
    858 				fprintf(fp, "%juB", (uintmax_t)filesize);
    859 			fputs("</td></tr>\n", fp);
    860 			git_object_free(obj);
    861 		} else if (!git_submodule_lookup(&module, repo, entryname)) {
    862 			fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">",
    863 				relpath);
    864 			xmlencode(fp, entrypath, strlen(entrypath));
    865 			git_submodule_free(module);
    866 			fputs("</a></td><td class=\"num\"></td></tr>\n", fp);
    867 		}
    868 	}
    869 
    870 	return 0;
    871 }
    872 
    873 int
    874 writefiles(FILE *fp, const git_oid *id)
    875 {
    876 	git_tree *tree = NULL;
    877 	git_commit *commit = NULL;
    878 	int ret = -1;
    879 
    880 	fputs("<table id=\"files\"><thead>\n<tr>"
    881 	      "<th>Mode</th><th>Name</th>"
    882 	      "<th class=\"num\">Size</th>"
    883 	      "</tr>\n</thead><tbody>\n", fp);
    884 
    885 	if (!git_commit_lookup(&commit, repo, id) &&
    886 	    !git_commit_tree(&tree, commit))
    887 		ret = writefilestree(fp, tree, "");
    888 
    889 	fputs("</tbody></table>", fp);
    890 
    891 	git_commit_free(commit);
    892 	git_tree_free(tree);
    893 
    894 	return ret;
    895 }
    896 
    897 int
    898 refs_cmp(const void *v1, const void *v2)
    899 {
    900 	git_reference *r1 = (*(git_reference **)v1);
    901 	git_reference *r2 = (*(git_reference **)v2);
    902 	int r;
    903 
    904 	if ((r = git_reference_is_branch(r1) - git_reference_is_branch(r2)))
    905 		return r;
    906 
    907 	return strcmp(git_reference_shorthand(r1),
    908 	              git_reference_shorthand(r2));
    909 }
    910 
    911 int
    912 writerefs(FILE *fp)
    913 {
    914 	struct commitinfo *ci;
    915 	const git_oid *id = NULL;
    916 	git_object *obj = NULL;
    917 	git_reference *dref = NULL, *r, *ref = NULL;
    918 	git_reference_iterator *it = NULL;
    919 	git_reference **refs = NULL;
    920 	size_t count, i, j, refcount;
    921 	const char *titles[] = { "Branches", "Tags" };
    922 	const char *ids[] = { "branches", "tags" };
    923 	const char *name;
    924 
    925 	if (git_reference_iterator_new(&it, repo))
    926 		return -1;
    927 
    928 	for (refcount = 0; !git_reference_next(&ref, it); refcount++) {
    929 		if (!(refs = reallocarray(refs, refcount + 1, sizeof(git_reference *))))
    930 			err(1, "realloc");
    931 		refs[refcount] = ref;
    932 	}
    933 	git_reference_iterator_free(it);
    934 
    935 	/* sort by type then shorthand name */
    936 	qsort(refs, refcount, sizeof(git_reference *), refs_cmp);
    937 
    938 	for (j = 0; j < 2; j++) {
    939 		for (i = 0, count = 0; i < refcount; i++) {
    940 			if (!(git_reference_is_branch(refs[i]) && j == 0) &&
    941 			    !(git_reference_is_tag(refs[i]) && j == 1))
    942 				continue;
    943 
    944 			switch (git_reference_type(refs[i])) {
    945 			case GIT_REF_SYMBOLIC:
    946 				if (git_reference_resolve(&dref, refs[i]))
    947 					goto err;
    948 				r = dref;
    949 				break;
    950 			case GIT_REF_OID:
    951 				r = refs[i];
    952 				break;
    953 			default:
    954 				continue;
    955 			}
    956 			if (!git_reference_target(r) ||
    957 			    git_reference_peel(&obj, r, GIT_OBJ_ANY))
    958 				goto err;
    959 			if (!(id = git_object_id(obj)))
    960 				goto err;
    961 			if (!(ci = commitinfo_getbyoid(id)))
    962 				break;
    963 
    964 			/* print header if it has an entry (first). */
    965 			if (++count == 1) {
    966 				fprintf(fp, "<h2>%s</h2><table id=\"%s\">"
    967 			                "<thead>\n<tr><th>Name</th>"
    968 				        "<th>Last commit date</th>"
    969 				        "<th>Author</th>\n</tr>\n"
    970 				        "</thead><tbody>\n",
    971 				         titles[j], ids[j]);
    972 			}
    973 
    974 			relpath = "";
    975 			name = git_reference_shorthand(r);
    976 
    977 			fputs("<tr><td>", fp);
    978 			xmlencode(fp, name, strlen(name));
    979 			fputs("</td><td>", fp);
    980 			if (ci->author)
    981 				printtimeshort(fp, &(ci->author->when));
    982 			fputs("</td><td>", fp);
    983 			if (ci->author)
    984 				xmlencode(fp, ci->author->name, strlen(ci->author->name));
    985 			fputs("</td></tr>\n", fp);
    986 
    987 			relpath = "../";
    988 
    989 			commitinfo_free(ci);
    990 			git_object_free(obj);
    991 			obj = NULL;
    992 			git_reference_free(dref);
    993 			dref = NULL;
    994 		}
    995 		/* table footer */
    996 		if (count)
    997 			fputs("</tbody></table><br/>", fp);
    998 	}
    999 
   1000 err:
   1001 	git_object_free(obj);
   1002 	git_reference_free(dref);
   1003 
   1004 	for (i = 0; i < refcount; i++)
   1005 		git_reference_free(refs[i]);
   1006 	free(refs);
   1007 
   1008 	return 0;
   1009 }
   1010 
   1011 void
   1012 usage(char *argv0)
   1013 {
   1014 	fprintf(stderr, "%s [-c cachefile | -l commits] repodir\n", argv0);
   1015 	exit(1);
   1016 }
   1017 
   1018 int
   1019 main(int argc, char *argv[])
   1020 {
   1021 	git_object *obj = NULL;
   1022 	const git_oid *head = NULL;
   1023 	const git_error *e = NULL;
   1024 	mode_t mask;
   1025 	FILE *fp, *fpread;
   1026 	char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p;
   1027 	char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ];
   1028 	size_t n;
   1029 	int i, fd;
   1030 
   1031 	for (i = 1; i < argc; i++) {
   1032 		if (argv[i][0] != '-') {
   1033 			if (repodir)
   1034 				usage(argv[0]);
   1035 			repodir = argv[i];
   1036 		} else if (argv[i][1] == 'c') {
   1037 			if (nlogcommits > 0 || i + 1 >= argc)
   1038 				usage(argv[0]);
   1039 			cachefile = argv[++i];
   1040 		} else if (argv[i][1] == 'l') {
   1041 			if (cachefile || i + 1 >= argc)
   1042 				usage(argv[0]);
   1043 			errno = 0;
   1044 			nlogcommits = strtoll(argv[++i], &p, 10);
   1045 			if (argv[i][0] == '\0' || *p != '\0' ||
   1046 			    nlogcommits <= 0)
   1047 				usage(argv[0]);
   1048 			if (errno == ERANGE && (nlogcommits == LLONG_MAX ||
   1049 			    nlogcommits == LLONG_MIN))
   1050 				usage(argv[0]);
   1051 		}
   1052 	}
   1053 	if (!repodir)
   1054 		usage(argv[0]);
   1055 
   1056 	if (!realpath(repodir, repodirabs))
   1057 		err(1, "realpath");
   1058 
   1059 	git_libgit2_init();
   1060 
   1061 	if (cachefile) {
   1062 		if (pledge("stdio rpath wpath cpath fattr", NULL) == -1)
   1063 			err(1, "pledge");
   1064 	} else {
   1065 		if (pledge("stdio rpath wpath cpath", NULL) == -1)
   1066 			err(1, "pledge");
   1067 	}
   1068 
   1069 	if (git_repository_open_ext(&repo, repodir,
   1070 		GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) {
   1071 		e = giterr_last();
   1072 		fprintf(stderr, "%s: %s\n", argv[0], e->message);
   1073 		return 1;
   1074 	}
   1075 
   1076 	/* find HEAD */
   1077 	if (!git_revparse_single(&obj, repo, "HEAD"))
   1078 		head = git_object_id(obj);
   1079 	git_object_free(obj);
   1080 
   1081 	/* use directory name as name */
   1082 	if ((name = strrchr(repodirabs, '/')))
   1083 		name++;
   1084 	else
   1085 		name = "";
   1086 
   1087 	/* strip .git suffix */
   1088 	if (!(strippedname = strdup(name)))
   1089 		err(1, "strdup");
   1090 	if ((p = strrchr(strippedname, '.')))
   1091 		if (!strcmp(p, ".git"))
   1092 			*p = '\0';
   1093 
   1094 	/* read description or .git/description */
   1095 	joinpath(path, sizeof(path), repodir, "description");
   1096 	if (!(fpread = fopen(path, "r"))) {
   1097 		joinpath(path, sizeof(path), repodir, ".git/description");
   1098 		fpread = fopen(path, "r");
   1099 	}
   1100 	if (fpread) {
   1101 		if (!fgets(description, sizeof(description), fpread))
   1102 			description[0] = '\0';
   1103 		fclose(fpread);
   1104 	}
   1105 
   1106 	/* read url or .git/url */
   1107 	joinpath(path, sizeof(path), repodir, "url");
   1108 	if (!(fpread = fopen(path, "r"))) {
   1109 		joinpath(path, sizeof(path), repodir, ".git/url");
   1110 		fpread = fopen(path, "r");
   1111 	}
   1112 	if (fpread) {
   1113 		if (!fgets(cloneurl, sizeof(cloneurl), fpread))
   1114 			cloneurl[0] = '\0';
   1115 		cloneurl[strcspn(cloneurl, "\n")] = '\0';
   1116 		fclose(fpread);
   1117 	}
   1118 
   1119 	/* check LICENSE */
   1120 	haslicense = (!git_revparse_single(&obj, repo, "HEAD:LICENSE") &&
   1121 		git_object_type(obj) == GIT_OBJ_BLOB);
   1122 	git_object_free(obj);
   1123 
   1124 	/* check README */
   1125 	hasreadme = (!git_revparse_single(&obj, repo, "HEAD:README") &&
   1126 		git_object_type(obj) == GIT_OBJ_BLOB);
   1127 	git_object_free(obj);
   1128 
   1129 	hassubmodules = (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") &&
   1130 		git_object_type(obj) == GIT_OBJ_BLOB);
   1131 	git_object_free(obj);
   1132 
   1133 	/* log for HEAD */
   1134 	fp = efopen("index.html", "w");
   1135 	relpath = "";
   1136 	mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO);
   1137 	writeheader(fp, "Log");
   1138 	fputs("<table id=\"log\"><thead>\n<tr><th>Date</th>"
   1139 	      "<th>Commit message</th>"
   1140 	      "<th>Author</th><th class=\"num\">Files</th>"
   1141 	      "<th class=\"num\">+</th>"
   1142 	      "<th class=\"num\">-</th></tr>\n</thead><tbody>\n", fp);
   1143 
   1144 	if (cachefile && head) {
   1145 		/* read from cache file (does not need to exist) */
   1146 		if ((rcachefp = fopen(cachefile, "r"))) {
   1147 			if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp))
   1148 				errx(1, "%s: no object id", cachefile);
   1149 			if (git_oid_fromstr(&lastoid, lastoidstr))
   1150 				errx(1, "%s: invalid object id", cachefile);
   1151 		}
   1152 
   1153 		/* write log to (temporary) cache */
   1154 		if ((fd = mkstemp(tmppath)) == -1)
   1155 			err(1, "mkstemp");
   1156 		if (!(wcachefp = fdopen(fd, "w")))
   1157 			err(1, "fdopen: '%s'", tmppath);
   1158 		/* write last commit id (HEAD) */
   1159 		git_oid_tostr(buf, sizeof(buf), head);
   1160 		fprintf(wcachefp, "%s\n", buf);
   1161 
   1162 		writelog(fp, head);
   1163 
   1164 		if (rcachefp) {
   1165 			/* append previous log to index.html and the new cache */
   1166 			while (!feof(rcachefp)) {
   1167 				n = fread(buf, 1, sizeof(buf), rcachefp);
   1168 				if (ferror(rcachefp))
   1169 					err(1, "fread");
   1170 				if (fwrite(buf, 1, n, fp) != n ||
   1171 				    fwrite(buf, 1, n, wcachefp) != n)
   1172 					err(1, "fwrite");
   1173 			}
   1174 			fclose(rcachefp);
   1175 		}
   1176 		fclose(wcachefp);
   1177 	} else {
   1178 		if (head)
   1179 			writelog(fp, head);
   1180 	}
   1181 
   1182 	fputs("</tbody></table>", fp);
   1183 	writefooter(fp);
   1184 	fclose(fp);
   1185 
   1186 	/* files for HEAD */
   1187 	fp = efopen("files.html", "w");
   1188 	writeheader(fp, "Files");
   1189 	if (head)
   1190 		writefiles(fp, head);
   1191 	writefooter(fp);
   1192 	fclose(fp);
   1193 
   1194 	/* summary page with branches and tags */
   1195 	fp = efopen("refs.html", "w");
   1196 	writeheader(fp, "Refs");
   1197 	writerefs(fp);
   1198 	writefooter(fp);
   1199 	fclose(fp);
   1200 
   1201 	/* Atom feed */
   1202 	fp = efopen("atom.xml", "w");
   1203 	writeatom(fp);
   1204 	fclose(fp);
   1205 
   1206 	/* rename new cache file on success */
   1207 	if (cachefile && head) {
   1208 		if (rename(tmppath, cachefile))
   1209 			err(1, "rename: '%s' to '%s'", tmppath, cachefile);
   1210 		umask((mask = umask(0)));
   1211 		if (chmod(cachefile,
   1212 		    (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask))
   1213 			err(1, "chmod: '%s'", cachefile);
   1214 	}
   1215 
   1216 	/* cleanup */
   1217 	git_repository_free(repo);
   1218 	git_libgit2_shutdown();
   1219 
   1220 	return 0;
   1221 }