logo

stagit

STAtic GIT web view generator (in C) git clone https://hacktivis.me/git/stagit.git

stagit.c (36849B)

    

  1. #include <sys/stat.h>
  2. #include <sys/types.h>
  4. #include <err.h>
  5. #include <errno.h>
  6. #include <libgen.h>
  7. #include <limits.h>
  8. #include <stdint.h>
  9. #include <stdio.h>
  10. #include <stdlib.h>
  11. #include <string.h>
  12. #include <time.h>
  13. #include <unistd.h>
  15. #include <git2.h>
  17. #include "compat.h"
  18. #include "config.h"
  20. #define LEN(s)    (sizeof(s)/sizeof(*s))
  22. struct deltainfo {
  23. 	git_patch *patch;
  25. 	size_t addcount;
  26. 	size_t delcount;
  27. };
  29. struct commitinfo {
  30. 	const git_oid *id;
  32. 	char oid[GIT_OID_HEXSZ + 1];
  33. 	char parentoid[GIT_OID_HEXSZ + 1];
  35. 	const git_signature *author;
  36. 	const git_signature *committer;
  37. 	const char          *summary;
  38. 	const char          *msg;
  40. 	git_diff   *diff;
  41. 	git_commit *commit;
  42. 	git_commit *parent;
  43. 	git_tree   *commit_tree;
  44. 	git_tree   *parent_tree;
  46. 	size_t addcount;
  47. 	size_t delcount;
  48. 	size_t filecount;
  50. 	struct deltainfo **deltas;
  51. 	size_t ndeltas;
  52. };
  54. /* reference and associated data for sorting */
  55. struct referenceinfo {
  56. 	struct git_reference *ref;
  57. 	struct commitinfo *ci;
  58. };
  60. static git_repository *repo;
  62. static const char *baseurl = ""; /* base URL to make absolute RSS/Atom URI */
  63. static const char *relpath = "";
  64. static const char *repodir;
  66. static char *name = "";
  67. static char *strippedname = "";
  68. static char description[255];
  69. static char cloneurl[1024];
  70. static char *submodules;
  71. static char *licensefiles[] = { "HEAD:LICENSE", "HEAD:LICENSE.md", "HEAD:COPYING" };
  72. static char *license;
  73. static char *readmefiles[] = { "HEAD:README", "HEAD:README.md" };
  74. static char *readme;
  75. static long long nlogcommits = -1; /* -1 indicates not used */
  77. /* cache */
  78. static git_oid lastoid;
  79. static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + NUL byte */
  80. static FILE *rcachefp, *wcachefp;
  81. static const char *cachefile;
  83. /* Handle read or write errors for a FILE * stream */
  84. void
  85. checkfileerror(FILE *fp, const char *name, int mode)
  86. {
  87. 	if (mode == 'r' && ferror(fp))
  88. 		errx(1, "read error: %s", name);
  89. 	else if (mode == 'w' && (fflush(fp) || ferror(fp)))
  90. 		errx(1, "write error: %s", name);
  91. }
  93. void
  94. joinpath(char *buf, size_t bufsiz, const char *path, const char *path2)
  95. {
  96. 	int r;
  98. 	r = snprintf(buf, bufsiz, "%s%s%s",
  99. 		path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
  100. 	if (r < 0 || (size_t)r >= bufsiz)
  101. 		errx(1, "path truncated: '%s%s%s'",
  102. 			path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
  103. }
  105. void
  106. deltainfo_free(struct deltainfo *di)
  107. {
  108. 	if (!di)
  109. 		return;
  110. 	git_patch_free(di->patch);
  111. 	memset(di, 0, sizeof(*di));
  112. 	free(di);
  113. }
  115. int
  116. commitinfo_getstats(struct commitinfo *ci)
  117. {
  118. 	struct deltainfo *di;
  119. 	git_diff_options opts;
  120. 	git_diff_find_options fopts;
  121. 	const git_diff_delta *delta;
  122. 	const git_diff_hunk *hunk;
  123. 	const git_diff_line *line;
  124. 	git_patch *patch = NULL;
  125. 	size_t ndeltas, nhunks, nhunklines;
  126. 	size_t i, j, k;
  128. 	if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit)))
  129. 		goto err;
  130. 	if (!git_commit_parent(&(ci->parent), ci->commit, 0)) {
  131. 		if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) {
  132. 			ci->parent = NULL;
  133. 			ci->parent_tree = NULL;
  134. 		}
  135. 	}
  137. 	git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION);
  138. 	opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH |
  139. 	              GIT_DIFF_IGNORE_SUBMODULES |
  140. 		      GIT_DIFF_INCLUDE_TYPECHANGE;
  141. 	if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts))
  142. 		goto err;
  144. 	if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION))
  145. 		goto err;
  146. 	/* find renames and copies, exact matches (no heuristic) for renames. */
  147. 	fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES |
  148. 	               GIT_DIFF_FIND_EXACT_MATCH_ONLY;
  149. 	if (git_diff_find_similar(ci->diff, &fopts))
  150. 		goto err;
  152. 	ndeltas = git_diff_num_deltas(ci->diff);
  153. 	if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *))))
  154. 		err(1, "calloc");
  156. 	for (i = 0; i < ndeltas; i++) {
  157. 		if (git_patch_from_diff(&patch, ci->diff, i))
  158. 			goto err;
  160. 		if (!(di = calloc(1, sizeof(struct deltainfo))))
  161. 			err(1, "calloc");
  162. 		di->patch = patch;
  163. 		ci->deltas[i] = di;
  165. 		delta = git_patch_get_delta(patch);
  167. 		/* skip stats for binary data */
  168. 		if (delta->flags & GIT_DIFF_FLAG_BINARY)
  169. 			continue;
  171. 		nhunks = git_patch_num_hunks(patch);
  172. 		for (j = 0; j < nhunks; j++) {
  173. 			if (git_patch_get_hunk(&hunk, &nhunklines, patch, j))
  174. 				break;
  175. 			for (k = 0; ; k++) {
  176. 				if (git_patch_get_line_in_hunk(&line, patch, j, k))
  177. 					break;
  178. 				if (line->old_lineno == -1) {
  179. 					di->addcount++;
  180. 					ci->addcount++;
  181. 				} else if (line->new_lineno == -1) {
  182. 					di->delcount++;
  183. 					ci->delcount++;
  184. 				}
  185. 			}
  186. 		}
  187. 	}
  188. 	ci->ndeltas = i;
  189. 	ci->filecount = i;
  191. 	return 0;
  193. err:
  194. 	git_diff_free(ci->diff);
  195. 	ci->diff = NULL;
  196. 	git_tree_free(ci->commit_tree);
  197. 	ci->commit_tree = NULL;
  198. 	git_tree_free(ci->parent_tree);
  199. 	ci->parent_tree = NULL;
  200. 	git_commit_free(ci->parent);
  201. 	ci->parent = NULL;
  203. 	if (ci->deltas)
  204. 		for (i = 0; i < ci->ndeltas; i++)
  205. 			deltainfo_free(ci->deltas[i]);
  206. 	free(ci->deltas);
  207. 	ci->deltas = NULL;
  208. 	ci->ndeltas = 0;
  209. 	ci->addcount = 0;
  210. 	ci->delcount = 0;
  211. 	ci->filecount = 0;
  213. 	return -1;
  214. }
  216. void
  217. commitinfo_free(struct commitinfo *ci)
  218. {
  219. 	size_t i;
  221. 	if (!ci)
  222. 		return;
  223. 	if (ci->deltas)
  224. 		for (i = 0; i < ci->ndeltas; i++)
  225. 			deltainfo_free(ci->deltas[i]);
  227. 	free(ci->deltas);
  228. 	git_diff_free(ci->diff);
  229. 	git_tree_free(ci->commit_tree);
  230. 	git_tree_free(ci->parent_tree);
  231. 	git_commit_free(ci->commit);
  232. 	git_commit_free(ci->parent);
  233. 	memset(ci, 0, sizeof(*ci));
  234. 	free(ci);
  235. }
  237. struct commitinfo *
  238. commitinfo_getbyoid(const git_oid *id)
  239. {
  240. 	struct commitinfo *ci;
  242. 	if (!(ci = calloc(1, sizeof(struct commitinfo))))
  243. 		err(1, "calloc");
  245. 	if (git_commit_lookup(&(ci->commit), repo, id))
  246. 		goto err;
  247. 	ci->id = id;
  249. 	git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit));
  250. 	git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0));
  252. 	ci->author = git_commit_author(ci->commit);
  253. 	ci->committer = git_commit_committer(ci->commit);
  254. 	ci->summary = git_commit_summary(ci->commit);
  255. 	ci->msg = git_commit_message(ci->commit);
  257. 	return ci;
  259. err:
  260. 	commitinfo_free(ci);
  262. 	return NULL;
  263. }
  265. int
  266. refs_cmp(const void *v1, const void *v2)
  267. {
  268. 	const struct referenceinfo *r1 = v1, *r2 = v2;
  269. 	time_t t1, t2;
  270. 	int r;
  272. 	if ((r = git_reference_is_tag(r1->ref) - git_reference_is_tag(r2->ref)))
  273. 		return r;
  275. 	t1 = r1->ci->author ? r1->ci->author->when.time : 0;
  276. 	t2 = r2->ci->author ? r2->ci->author->when.time : 0;
  277. 	if ((r = t1 > t2 ? -1 : (t1 == t2 ? 0 : 1)))
  278. 		return r;
  280. 	return strcmp(git_reference_shorthand(r1->ref),
  281. 	              git_reference_shorthand(r2->ref));
  282. }
  284. int
  285. getrefs(struct referenceinfo **pris, size_t *prefcount)
  286. {
  287. 	struct referenceinfo *ris = NULL;
  288. 	struct commitinfo *ci = NULL;
  289. 	git_reference_iterator *it = NULL;
  290. 	const git_oid *id = NULL;
  291. 	git_object *obj = NULL;
  292. 	git_reference *dref = NULL, *r, *ref = NULL;
  293. 	size_t i, refcount;
  295. 	*pris = NULL;
  296. 	*prefcount = 0;
  298. 	if (git_reference_iterator_new(&it, repo))
  299. 		return -1;
  301. 	for (refcount = 0; !git_reference_next(&ref, it); ) {
  302. 		if (!git_reference_is_branch(ref) && !git_reference_is_tag(ref)) {
  303. 			git_reference_free(ref);
  304. 			ref = NULL;
  305. 			continue;
  306. 		}
  308. 		switch (git_reference_type(ref)) {
  309. 		case GIT_REF_SYMBOLIC:
  310. 			if (git_reference_resolve(&dref, ref))
  311. 				goto err;
  312. 			r = dref;
  313. 			break;
  314. 		case GIT_REF_OID:
  315. 			r = ref;
  316. 			break;
  317. 		default:
  318. 			continue;
  319. 		}
  320. 		if (!git_reference_target(r) ||
  321. 		    git_reference_peel(&obj, r, GIT_OBJ_ANY))
  322. 			goto err;
  323. 		if (!(id = git_object_id(obj)))
  324. 			goto err;
  325. 		if (!(ci = commitinfo_getbyoid(id)))
  326. 			break;
  328. 		if (!(ris = reallocarray(ris, refcount + 1, sizeof(*ris))))
  329. 			err(1, "realloc");
  330. 		ris[refcount].ci = ci;
  331. 		ris[refcount].ref = r;
  332. 		refcount++;
  334. 		git_object_free(obj);
  335. 		obj = NULL;
  336. 		git_reference_free(dref);
  337. 		dref = NULL;
  338. 	}
  339. 	git_reference_iterator_free(it);
  341. 	/* sort by type, date then shorthand name */
  342. 	qsort(ris, refcount, sizeof(*ris), refs_cmp);
  344. 	*pris = ris;
  345. 	*prefcount = refcount;
  347. 	return 0;
  349. err:
  350. 	git_object_free(obj);
  351. 	git_reference_free(dref);
  352. 	commitinfo_free(ci);
  353. 	for (i = 0; i < refcount; i++) {
  354. 		commitinfo_free(ris[i].ci);
  355. 		git_reference_free(ris[i].ref);
  356. 	}
  357. 	free(ris);
  359. 	return -1;
  360. }
  362. FILE *
  363. efopen(const char *filename, const char *flags)
  364. {
  365. 	FILE *fp;
  367. 	if (!(fp = fopen(filename, flags)))
  368. 		err(1, "fopen: '%s'", filename);
  370. 	return fp;
  371. }
  373. /* Percent-encode, see RFC3986 section 2.1. */
  374. void
  375. percentencode(FILE *fp, const char *s, size_t len)
  376. {
  377. 	static char tab[] = "0123456789ABCDEF";
  378. 	unsigned char uc;
  379. 	size_t i;
  381. 	for (i = 0; *s && i < len; s++, i++) {
  382. 		uc = *s;
  383. 		/* NOTE: do not encode '/' for paths or ",-." */
  384. 		if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') ||
  385. 		    uc == '[' || uc == ']') {
  386. 			putc('%', fp);
  387. 			putc(tab[(uc >> 4) & 0x0f], fp);
  388. 			putc(tab[uc & 0x0f], fp);
  389. 		} else {
  390. 			putc(uc, fp);
  391. 		}
  392. 	}
  393. }
  395. /* Escape characters below as HTML 2.0 / XML 1.0. */
  396. void
  397. xmlencode(FILE *fp, const char *s, size_t len)
  398. {
  399. 	size_t i;
  401. 	for (i = 0; *s && i < len; s++, i++) {
  402. 		switch(*s) {
  403. 		case '<':  fputs("&lt;",   fp); break;
  404. 		case '>':  fputs("&gt;",   fp); break;
  405. 		case '\'': fputs("&#39;",  fp); break;
  406. 		case '&':  fputs("&amp;",  fp); break;
  407. 		case '"':  fputs("&quot;", fp); break;
  408. 		default:   putc(*s, fp);
  409. 		}
  410. 	}
  411. }
  413. /* Escape characters below as HTML 2.0 / XML 1.0, ignore printing '\r', '\n' */
  414. void
  415. xmlencodeline(FILE *fp, const char *s, size_t len)
  416. {
  417. 	size_t i;
  419. 	for (i = 0; *s && i < len; s++, i++) {
  420. 		switch(*s) {
  421. 		case '<':  fputs("&lt;",   fp); break;
  422. 		case '>':  fputs("&gt;",   fp); break;
  423. 		case '\'': fputs("&#39;",  fp); break;
  424. 		case '&':  fputs("&amp;",  fp); break;
  425. 		case '"':  fputs("&quot;", fp); break;
  426. 		case '\r': break; /* ignore CR */
  427. 		case '\n': break; /* ignore LF */
  428. 		default:   putc(*s, fp);
  429. 		}
  430. 	}
  431. }
  433. int
  434. mkdirp(const char *path)
  435. {
  436. 	char tmp[PATH_MAX], *p;
  438. 	if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp))
  439. 		errx(1, "path truncated: '%s'", path);
  440. 	for (p = tmp + (tmp[0] == '/'); *p; p++) {
  441. 		if (*p != '/')
  442. 			continue;
  443. 		*p = '\0';
  444. 		if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST)
  445. 			return -1;
  446. 		*p = '/';
  447. 	}
  448. 	if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST)
  449. 		return -1;
  450. 	return 0;
  451. }
  453. void
  454. printtimez(FILE *fp, const git_time *intime)
  455. {
  456. 	struct tm *intm;
  457. 	time_t t;
  458. 	char out[32];
  460. 	t = (time_t)intime->time;
  461. 	if (!(intm = gmtime(&t)))
  462. 		return;
  463. 	strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm);
  464. 	fputs(out, fp);
  465. }
  467. void
  468. printtime(FILE *fp, const git_time *intime)
  469. {
  470. 	struct tm *intm;
  471. 	time_t t;
  472. 	char out[32];
  474. 	t = (time_t)intime->time + (intime->offset * 60);
  475. 	if (!(intm = gmtime(&t)))
  476. 		return;
  477. 	strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm);
  478. 	if (intime->offset < 0)
  479. 		fprintf(fp, "%s -%02d%02d", out,
  480. 		            -(intime->offset) / 60, -(intime->offset) % 60);
  481. 	else
  482. 		fprintf(fp, "%s +%02d%02d", out,
  483. 		            intime->offset / 60, intime->offset % 60);
  484. }
  486. void
  487. printtimeshort(FILE *fp, const git_time *intime)
  488. {
  489. 	struct tm *intm;
  490. 	time_t t;
  491. 	char out[32];
  493. 	t = (time_t)intime->time;
  494. 	if (!(intm = gmtime(&t)))
  495. 		return;
  496. 	strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm);
  497. 	fputs(out, fp);
  498. }
  500. void
  501. writeheader(FILE *fp, const char *title)
  502. {
  503. 	fputs("<!DOCTYPE html>\n"
  504. 		"<html>\n<head>\n"
  505. 		"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"
  506. 		"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n"
  507. 		"<title>", fp);
  508. 	xmlencode(fp, title, strlen(title));
  509. 	if (title[0] && strippedname[0])
  510. 		fputs(" - ", fp);
  511. 	xmlencode(fp, strippedname, strlen(strippedname));
  512. 	if (description[0])
  513. 		fputs(" - ", fp);
  514. 	xmlencode(fp, description, strlen(description));
  515. 	if(strlen(faviconurl) > 0) {
  516. 		fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%s\" />\n", faviconurl);
  517. 	}
  518. 	fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", assetpath);
  519. 	fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%ssorttable.css\" />\n", assetpath);
  520. 	fputs("</head>\n<body>\n<header>", fp);
  521. 	fprintf(fp, "<a href=\"..\"><img src=\"%slogo.png\" alt=\"logo\" width=\"32\" height=\"32\" /></a>",
  522. 	        assetpath);
  523. 	fputs("<h1>", fp);
  524. 	xmlencode(fp, strippedname, strlen(strippedname));
  525. 	fputs("</h1><span class=\"desc\">", fp);
  526. 	xmlencode(fp, description, strlen(description));
  527. 	fputs("</span>", fp);
  528. 	if (cloneurl[0]) {
  529. 		fputs("<code class=\"url\">git clone <a rel=\"vcs-git\" href=\"", fp);
  530. 		xmlencode(fp, cloneurl, strlen(cloneurl)); /* not percent-encoded */
  531. 		fputs("\">", fp);
  532. 		xmlencode(fp, cloneurl, strlen(cloneurl));
  533. 		fputs("</a></code>", fp);
  534. 	}
  535. 	fputs("</header><nav>\n", fp);
  537. 	fprintf(fp, " <a rel=\"version-history\" href=\"%slog.html\">Log</a>", relpath);
  538. 	fprintf(fp, " (<a rel=\"alternate\" type=\"application/atom+xml\" title=\"");
  539. 	xmlencode(fp, name, strlen(name));
  540. 	fprintf(fp, "Atom Feed\" href=\"%satom.xml\">RSS/Atom</a>)", relpath);
  542. 	fprintf(fp, " <a rel=\"index\" href=\"%sfiles.html\">Files</a>", relpath);
  544. 	fprintf(fp, " <a href=\"%srefs.html\">Refs</a>", relpath);
  545. 	fprintf(fp, " (<a rel=\"alternate\" type=\"application/atom+xml\" title=\"");
  546. 	xmlencode(fp, name, strlen(name));
  547. 	fprintf(fp, "Atom Feed (tags)\" href=\"%stags.xml\">RSS/Atom</a>)", relpath);
  549. 	if (submodules)
  550. 		fprintf(fp, " <a href=\"%sfile/%s.html\">Submodules</a>",
  551. 		        relpath, submodules);
  552. 	if (readme)
  553. 		fprintf(fp, " <a href=\"%sfile/%s.html\">README</a>",
  554. 		        relpath, readme);
  555. 	if (license)
  556. 		fprintf(fp, " <a href=\"%sfile/%s.html\">LICENSE</a>",
  557. 		        relpath, license);
  558. 	fputs("</nav>\n<main>\n", fp);
  559. }
  561. void
  562. writefooter(FILE *fp)
  563. {
  564. 	fputs("</main>\n", fp);
  565. 	fprintf(fp, "<script src=\"%ssorttable.js\"></script>\n", assetpath);
  566. 	fputs("\t<footer>Here's my <a href=\"https://hacktivis.me/about\">contacts</a> for <a href=\"https://git-send-email.io/\">patches</a>, issues (tracker will maybe be added oneday), …\n", fp);
  567. 	fputs("</body>\n</html>\n", fp);
  568. }
  570. size_t
  571. writeblobhtml(FILE *fp, const git_blob *blob)
  572. {
  573. 	size_t n = 0, i, len, prev;
  574. 	const char *s = git_blob_rawcontent(blob);
  576. 	len = git_blob_rawsize(blob);
  577. 	fputs("<pre id=\"blob\"><ol>\n", fp);
  579. 	if (len > 0) {
  580. 		for (i = 0, prev = 0; i < len; i++) {
  581. 			if (s[i] != '\n')
  582. 				continue;
  583. 			n++;
  584. 			fprintf(fp, "<li class=\"line\" id=\"l%zu\">", n);
  585. 			xmlencodeline(fp, &s[prev], i - prev + 1);
  586. 			fprintf(fp, "</li>");
  587. 			prev = i + 1;
  588. 		}
  589. 		/* trailing data */
  590. 		if ((len - prev) > 0) {
  591. 			n++;
  592. 			fprintf(fp, "<li class=\"line\" id=\"l%zu\">", n);
  593. 			xmlencodeline(fp, &s[prev], len - prev);
  594. 			fprintf(fp, "</li>");
  595. 		}
  596. 	}
  598. 	fputs("</ol></pre>\n", fp);
  600. 	return n;
  601. }
  603. void
  604. printcommit(FILE *fp, struct commitinfo *ci)
  605. {
  606. 	fprintf(fp, "<strong>commit:</strong> <a href=\"%scommit/%s.html\">%s</a>\n",
  607. 		relpath, ci->oid, ci->oid);
  609. 	if (ci->parentoid[0])
  610. 		fprintf(fp, "<strong>parent</strong> <a href=\"%scommit/%s.html\">%s</a>\n",
  611. 			relpath, ci->parentoid, ci->parentoid);
  613. 	if (ci->author) {
  614. 		fputs("<strong>Author: </strong>", fp);
  615. 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
  616. 		fputs(" &lt;<a href=\"mailto:", fp);
  617. 		xmlencode(fp, ci->author->email, strlen(ci->author->email)); /* not percent-encoded */
  618. 		fputs("\">", fp);
  619. 		xmlencode(fp, ci->author->email, strlen(ci->author->email));
  620. 		fputs("</a>&gt;\n<strong>Date:</strong>   ", fp);
  621. 		printtime(fp, &(ci->author->when));
  622. 		putc('\n', fp);
  623. 	}
  624. 	if (ci->msg) {
  625. 		putc('\n', fp);
  626. 		xmlencode(fp, ci->msg, strlen(ci->msg));
  627. 		putc('\n', fp);
  628. 	}
  629. }
  631. void
  632. printshowfile(FILE *fp, struct commitinfo *ci)
  633. {
  634. 	const git_diff_delta *delta;
  635. 	const git_diff_hunk *hunk;
  636. 	const git_diff_line *line;
  637. 	git_patch *patch;
  638. 	size_t nhunks, nhunklines, changed, add, del, total, i, j, k;
  639. 	char linestr[80];
  640. 	int c;
  642. 	printcommit(fp, ci);
  644. 	if (!ci->deltas)
  645. 		return;
  647. 	if (ci->filecount > 1000   ||
  648. 	    ci->ndeltas   > 1000   ||
  649. 	    ci->addcount  > 100000 ||
  650. 	    ci->delcount  > 100000) {
  651. 		fputs("Diff is too large, output suppressed.\n", fp);
  652. 		return;
  653. 	}
  655. 	/* diff stat */
  656. 	fputs("<h2>Diffstat:</h2>\n<table>", fp);
  657. 	for (i = 0; i < ci->ndeltas; i++) {
  658. 		delta = git_patch_get_delta(ci->deltas[i]->patch);
  660. 		switch (delta->status) {
  661. 		case GIT_DELTA_ADDED:      c = 'A'; break;
  662. 		case GIT_DELTA_COPIED:     c = 'C'; break;
  663. 		case GIT_DELTA_DELETED:    c = 'D'; break;
  664. 		case GIT_DELTA_MODIFIED:   c = 'M'; break;
  665. 		case GIT_DELTA_RENAMED:    c = 'R'; break;
  666. 		case GIT_DELTA_TYPECHANGE: c = 'T'; break;
  667. 		default:                   c = ' '; break;
  668. 		}
  669. 		if (c == ' ')
  670. 			fprintf(fp, "<tr><td>%c", c);
  671. 		else
  672. 			fprintf(fp, "<tr><td class=\"%c\">%c", c, c);
  674. 		fprintf(fp, "</td><td><a href=\"#h%zu\">", i);
  675. 		xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path));
  676. 		if (strcmp(delta->old_file.path, delta->new_file.path)) {
  677. 			fputs(" -&gt; ", fp);
  678. 			xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path));
  679. 		}
  681. 		add = ci->deltas[i]->addcount;
  682. 		del = ci->deltas[i]->delcount;
  683. 		changed = add + del;
  684. 		total = sizeof(linestr) - 2;
  685. 		if (changed > total) {
  686. 			if (add)
  687. 				add = ((float)total / changed * add) + 1;
  688. 			if (del)
  689. 				del = ((float)total / changed * del) + 1;
  690. 		}
  691. 		memset(&linestr, '+', add);
  692. 		memset(&linestr[add], '-', del);
  694. 		fprintf(fp, "</a></td><td class=\"num\">%zu</td><td><span class=\"i\">",
  695. 		        ci->deltas[i]->addcount + ci->deltas[i]->delcount);
  696. 		fwrite(&linestr, 1, add, fp);
  697. 		fputs("</span><span class=\"d\">", fp);
  698. 		fwrite(&linestr[add], 1, del, fp);
  699. 		fputs("</span></td></tr>\n", fp);
  700. 	}
  701. 	fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n",
  702. 		ci->filecount, ci->filecount == 1 ? "" : "s",
  703. 	        ci->addcount,  ci->addcount  == 1 ? "" : "s",
  704. 	        ci->delcount,  ci->delcount  == 1 ? "" : "s");
  706. 	fputs("<hr/>", fp);
  708. 	for (i = 0; i < ci->ndeltas; i++) {
  709. 		patch = ci->deltas[i]->patch;
  710. 		delta = git_patch_get_delta(patch);
  711. 		fprintf(fp, "<code class=\"diff-note\">diff --git a/<a id=\"h%zu\" href=\"%sfile/", i, relpath);
  712. 		percentencode(fp, delta->old_file.path, strlen(delta->old_file.path));
  713. 		fputs(".html\">", fp);
  714. 		xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path));
  715. 		fprintf(fp, "</a> b/<a href=\"%sfile/", relpath);
  716. 		percentencode(fp, delta->new_file.path, strlen(delta->new_file.path));
  717. 		fprintf(fp, ".html\">");
  718. 		xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path));
  719. 		fprintf(fp, "</a></code>\n");
  721. 		/* check binary data */
  722. 		if (delta->flags & GIT_DIFF_FLAG_BINARY) {
  723. 			fputs("Binary files differ.\n", fp);
  724. 			continue;
  725. 		}
  727. 		nhunks = git_patch_num_hunks(patch);
  728. 		for (j = 0; j < nhunks; j++) {
  729. 			if (git_patch_get_hunk(&hunk, &nhunklines, patch, j))
  730. 				break;
  732. 			fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"h\">", i, j, i, j);
  733. 			xmlencode(fp, hunk->header, hunk->header_len);
  734. 			fputs("</a>", fp);
  736. 			for (k = 0; ; k++) {
  737. 				if (git_patch_get_line_in_hunk(&line, patch, j, k))
  738. 					break;
  739. 				if (line->old_lineno == -1)
  740. 					fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"i\">+",
  741. 						i, j, k, i, j, k);
  742. 				else if (line->new_lineno == -1)
  743. 					fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"d\">-",
  744. 						i, j, k, i, j, k);
  745. 				else
  746. 					putc(' ', fp);
  747. 				xmlencodeline(fp, line->content, line->content_len);
  748. 				putc('\n', fp);
  749. 				if (line->old_lineno == -1 || line->new_lineno == -1)
  750. 					fputs("</a>", fp);
  751. 			}
  752. 		}
  753. 	}
  754. }
  756. void
  757. writelogline(FILE *fp, struct commitinfo *ci)
  758. {
  759. 	fputs("<tr><td class=\"date log-author-date\">", fp);
  760. 	if (ci->author)
  761. 		printtimeshort(fp, &(ci->author->when));
  762. 	fputs("</td><td class=\"text log-summary\">", fp);
  763. 	if (ci->summary) {
  764. 		fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid);
  765. 		xmlencode(fp, ci->summary, strlen(ci->summary));
  766. 		fputs("</a>", fp);
  767. 	}
  768. 	fputs("</td><td class=\"text log-author\">", fp);
  769. 	if (ci->author)
  770. 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
  771. 	fputs("</td><td class=\"num log-filecount\">", fp);
  772. 	fprintf(fp, "%zu", ci->filecount);
  773. 	fputs("</td><td class=\"num log-addcount\">", fp);
  774. 	fprintf(fp, "+%zu", ci->addcount);
  775. 	fputs("</td><td class=\"num log-delcount\">", fp);
  776. 	fprintf(fp, "-%zu", ci->delcount);
  777. 	fputs("</td></tr>\n", fp);
  778. }
  780. int
  781. writelog(FILE *fp, const git_oid *oid)
  782. {
  783. 	struct commitinfo *ci;
  784. 	git_revwalk *w = NULL;
  785. 	git_oid id;
  786. 	char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1];
  787. 	FILE *fpfile;
  788. 	size_t remcommits = 0;
  789. 	int r;
  791. 	git_revwalk_new(&w, repo);
  792. 	git_revwalk_push(w, oid);
  794. 	while (!git_revwalk_next(&id, w)) {
  795. 		relpath = "";
  797. 		if (cachefile && !memcmp(&id, &lastoid, sizeof(id)))
  798. 			break;
  800. 		git_oid_tostr(oidstr, sizeof(oidstr), &id);
  801. 		r = snprintf(path, sizeof(path), "commit/%s.html", oidstr);
  802. 		if (r < 0 || (size_t)r >= sizeof(path))
  803. 			errx(1, "path truncated: 'commit/%s.html'", oidstr);
  804. 		r = access(path, F_OK);
  806. 		/* optimization: if there are no log lines to write and
  807. 		   the commit file already exists: skip the diffstat */
  808. 		if (!nlogcommits) {
  809. 			remcommits++;
  810. 			if (!r)
  811. 				continue;
  812. 		}
  814. 		if (!(ci = commitinfo_getbyoid(&id)))
  815. 			break;
  816. 		/* diffstat: for stagit HTML required for the log.html line */
  817. 		if (commitinfo_getstats(ci) == -1)
  818. 			goto err;
  820. 		if (nlogcommits != 0) {
  821. 			writelogline(fp, ci);
  822. 			if (nlogcommits > 0)
  823. 				nlogcommits--;
  824. 		}
  826. 		if (cachefile)
  827. 			writelogline(wcachefp, ci);
  829. 		/* check if file exists if so skip it */
  830. 		if (r) {
  831. 			relpath = "../";
  832. 			fpfile = efopen(path, "w");
  833. 			writeheader(fpfile, ci->summary);
  834. 			fputs("<pre>", fpfile);
  835. 			printshowfile(fpfile, ci);
  836. 			fputs("</pre>\n", fpfile);
  837. 			writefooter(fpfile);
  838. 			checkfileerror(fpfile, path, 'w');
  839. 			fclose(fpfile);
  840. 		}
  841. err:
  842. 		commitinfo_free(ci);
  843. 	}
  844. 	git_revwalk_free(w);
  846. 	if (nlogcommits == 0 && remcommits != 0) {
  847. 		fprintf(fp, "<tr><td></td><td colspan=\"5\">"
  848. 		        "%zu more commits remaining, fetch the repository"
  849. 		        "</td></tr>\n", remcommits);
  850. 	}
  852. 	relpath = "";
  854. 	return 0;
  855. }
  857. void
  858. printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag)
  859. {
  860. 	fputs("<entry>\n", fp);
  862. 	fprintf(fp, "<id>%s</id>\n", ci->oid);
  863. 	if (ci->author) {
  864. 		fputs("<published>", fp);
  865. 		printtimez(fp, &(ci->author->when));
  866. 		fputs("</published>\n", fp);
  867. 	}
  868. 	if (ci->committer) {
  869. 		fputs("<updated>", fp);
  870. 		printtimez(fp, &(ci->committer->when));
  871. 		fputs("</updated>\n", fp);
  872. 	}
  873. 	if (ci->summary) {
  874. 		fputs("<title>", fp);
  875. 		if (tag && tag[0]) {
  876. 			fputs("[", fp);
  877. 			xmlencode(fp, tag, strlen(tag));
  878. 			fputs("] ", fp);
  879. 		}
  880. 		xmlencode(fp, ci->summary, strlen(ci->summary));
  881. 		fputs("</title>\n", fp);
  882. 	}
  883. 	fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n",
  884. 	        baseurl, ci->oid);
  886. 	if (ci->author) {
  887. 		fputs("<author>\n<name>", fp);
  888. 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
  889. 		fputs("</name>\n<email>", fp);
  890. 		xmlencode(fp, ci->author->email, strlen(ci->author->email));
  891. 		fputs("</email>\n</author>\n", fp);
  892. 	}
  894. 	fputs("<content>", fp);
  895. 	fprintf(fp, "commit %s\n", ci->oid);
  896. 	if (ci->parentoid[0])
  897. 		fprintf(fp, "parent %s\n", ci->parentoid);
  898. 	if (ci->author) {
  899. 		fputs("Author: ", fp);
  900. 		xmlencode(fp, ci->author->name, strlen(ci->author->name));
  901. 		fputs(" &lt;", fp);
  902. 		xmlencode(fp, ci->author->email, strlen(ci->author->email));
  903. 		fputs("&gt;\nDate:   ", fp);
  904. 		printtime(fp, &(ci->author->when));
  905. 		putc('\n', fp);
  906. 	}
  907. 	if (ci->msg) {
  908. 		putc('\n', fp);
  909. 		xmlencode(fp, ci->msg, strlen(ci->msg));
  910. 	}
  911. 	fputs("\n</content>\n</entry>\n", fp);
  912. }
  914. int
  915. writeatom(FILE *fp, int all)
  916. {
  917. 	struct referenceinfo *ris = NULL;
  918. 	size_t refcount = 0;
  919. 	struct commitinfo *ci;
  920. 	git_revwalk *w = NULL;
  921. 	git_oid id;
  922. 	size_t i, m = 100; /* last 'm' commits */
  924. 	fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
  925. 	      "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp);
  926. 	xmlencode(fp, strippedname, strlen(strippedname));
  927. 	fputs(", branch HEAD</title>\n<subtitle>", fp);
  928. 	xmlencode(fp, description, strlen(description));
  929. 	fputs("</subtitle>\n", fp);
  931. 	/* all commits or only tags? */
  932. 	if (all) {
  933. 		git_revwalk_new(&w, repo);
  934. 		git_revwalk_push_head(w);
  935. 		for (i = 0; i < m && !git_revwalk_next(&id, w); i++) {
  936. 			if (!(ci = commitinfo_getbyoid(&id)))
  937. 				break;
  938. 			printcommitatom(fp, ci, "");
  939. 			commitinfo_free(ci);
  940. 		}
  941. 		git_revwalk_free(w);
  942. 	} else if (getrefs(&ris, &refcount) != -1) {
  943. 		/* references: tags */
  944. 		for (i = 0; i < refcount; i++) {
  945. 			if (git_reference_is_tag(ris[i].ref))
  946. 				printcommitatom(fp, ris[i].ci,
  947. 				                git_reference_shorthand(ris[i].ref));
  949. 			commitinfo_free(ris[i].ci);
  950. 			git_reference_free(ris[i].ref);
  951. 		}
  952. 		free(ris);
  953. 	}
  955. 	fputs("</feed>\n", fp);
  957. 	return 0;
  958. }
  960. size_t
  961. writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize)
  962. {
  963. 	char tmp[PATH_MAX] = "", *d;
  964. 	const char *p;
  965. 	size_t lc = 0;
  966. 	FILE *fp;
  968. 	if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp))
  969. 		errx(1, "path truncated: '%s'", fpath);
  970. 	if (!(d = dirname(tmp)))
  971. 		err(1, "dirname");
  972. 	if (mkdirp(d))
  973. 		return -1;
  975. 	for (p = fpath, tmp[0] = '\0'; *p; p++) {
  976. 		if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp))
  977. 			errx(1, "path truncated: '../%s'", tmp);
  978. 	}
  979. 	relpath = tmp;
  981. 	fp = efopen(fpath, "w");
  982. 	writeheader(fp, filename);
  983. 	fputs("<p> ", fp);
  984. 	xmlencode(fp, filename, strlen(filename));
  985. 	fprintf(fp, " (%zuB)", filesize);
  986. 	fputs("</p><hr/>", fp);
  988. 	if (git_blob_is_binary((git_blob *)obj))
  989. 		fputs("<p>Binary file.</p>\n", fp);
  990. 	else
  991. 		lc = writeblobhtml(fp, (git_blob *)obj);
  993. 	writefooter(fp);
  994. 	checkfileerror(fp, fpath, 'w');
  995. 	fclose(fp);
  997. 	relpath = "";
  999. 	return lc;
  1000. }
  1002. const char *
  1003. filemode(git_filemode_t m)
  1004. {
  1005. 	static char mode[11];
  1007. 	memset(mode, '-', sizeof(mode) - 1);
  1008. 	mode[10] = '\0';
  1010. 	if (S_ISREG(m))
  1011. 		mode[0] = '-';
  1012. 	else if (S_ISBLK(m))
  1013. 		mode[0] = 'b';
  1014. 	else if (S_ISCHR(m))
  1015. 		mode[0] = 'c';
  1016. 	else if (S_ISDIR(m))
  1017. 		mode[0] = 'd';
  1018. 	else if (S_ISFIFO(m))
  1019. 		mode[0] = 'p';
  1020. 	else if (S_ISLNK(m))
  1021. 		mode[0] = 'l';
  1022. 	else if (S_ISSOCK(m))
  1023. 		mode[0] = 's';
  1024. 	else
  1025. 		mode[0] = '?';
  1027. 	if (m & S_IRUSR) mode[1] = 'r';
  1028. 	if (m & S_IWUSR) mode[2] = 'w';
  1029. 	if (m & S_IXUSR) mode[3] = 'x';
  1030. 	if (m & S_IRGRP) mode[4] = 'r';
  1031. 	if (m & S_IWGRP) mode[5] = 'w';
  1032. 	if (m & S_IXGRP) mode[6] = 'x';
  1033. 	if (m & S_IROTH) mode[7] = 'r';
  1034. 	if (m & S_IWOTH) mode[8] = 'w';
  1035. 	if (m & S_IXOTH) mode[9] = 'x';
  1037. 	if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S';
  1038. 	if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S';
  1039. 	if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T';
  1041. 	return mode;
  1042. }
  1044. int
  1045. writefilestree(FILE *fp, git_tree *tree, const char *path)
  1046. {
  1047. 	const git_tree_entry *entry = NULL;
  1048. 	git_object *obj = NULL;
  1049. 	const char *entryname;
  1050. 	char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8];
  1051. 	size_t count, i, lc, filesize;
  1052. 	int r, ret;
  1054. 	count = git_tree_entrycount(tree);
  1055. 	for (i = 0; i < count; i++) {
  1056. 		if (!(entry = git_tree_entry_byindex(tree, i)) ||
  1057. 		    !(entryname = git_tree_entry_name(entry)))
  1058. 			return -1;
  1059. 		joinpath(entrypath, sizeof(entrypath), path, entryname);
  1061. 		r = snprintf(filepath, sizeof(filepath), "file/%s.html",
  1062. 		         entrypath);
  1063. 		if (r < 0 || (size_t)r >= sizeof(filepath))
  1064. 			errx(1, "path truncated: 'file/%s.html'", entrypath);
  1066. 		if (!git_tree_entry_to_object(&obj, repo, entry)) {
  1067. 			switch (git_object_type(obj)) {
  1068. 			case GIT_OBJ_BLOB:
  1069. 				break;
  1070. 			case GIT_OBJ_TREE:
  1071. 				/* NOTE: recurses */
  1072. 				ret = writefilestree(fp, (git_tree *)obj,
  1073. 				                     entrypath);
  1074. 				git_object_free(obj);
  1075. 				if (ret)
  1076. 					return ret;
  1077. 				continue;
  1078. 			default:
  1079. 				git_object_free(obj);
  1080. 				continue;
  1081. 			}
  1083. 			filesize = git_blob_rawsize((git_blob *)obj);
  1084. 			lc = writeblob(obj, filepath, entryname, filesize);
  1086. 			fputs("<tr><td>", fp);
  1087. 			fputs(filemode(git_tree_entry_filemode(entry)), fp);
  1088. 			fprintf(fp, "</td><td><a href=\"%s", relpath);
  1089. 			percentencode(fp, filepath, strlen(filepath));
  1090. 			fputs("\">", fp);
  1091. 			xmlencode(fp, entrypath, strlen(entrypath));
  1092. 			fputs("</a></td>", fp);
  1093. 			fprintf(fp, "<td class=\"num\" align=\"right\" data-value=\"%zu\" data-type=\"int\"", filesize);
  1094. 			if (lc > 0)
  1095. 				fprintf(fp, "title=\"%zuB\">%zuL", filesize, lc);
  1096. 			else
  1097. 				fprintf(fp, ">%zuB", filesize);
  1098. 			fputs("</td></tr>\n", fp);
  1099. 			git_object_free(obj);
  1100. 		} else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) {
  1101. 			/* commit object in tree is a submodule */
  1102. 			fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">",
  1103. 				relpath);
  1104. 			xmlencode(fp, entrypath, strlen(entrypath));
  1105. 			fputs("</a> @ ", fp);
  1106. 			git_oid_tostr(oid, sizeof(oid), git_tree_entry_id(entry));
  1107. 			xmlencode(fp, oid, strlen(oid));
  1108. 			fputs("</td><td class=\"num\" align=\"right\"></td></tr>\n", fp);
  1109. 		}
  1110. 	}
  1112. 	return 0;
  1113. }
  1115. int
  1116. writefiles(FILE *fp, const git_oid *id)
  1117. {
  1118. 	git_tree *tree = NULL;
  1119. 	git_commit *commit = NULL;
  1120. 	int ret = -1;
  1122. 	fputs("<table class=\"sortable\" id=\"files\"><thead>\n<tr>"
  1123. 	      "<th>Mode</th><th>Name</th>"
  1124. 	      "<th class=\"num\" align=\"right\">Size</th>"
  1125. 	      "</tr>\n</thead><tbody>\n", fp);
  1127. 	if (!git_commit_lookup(&commit, repo, id) &&
  1128. 	    !git_commit_tree(&tree, commit))
  1129. 		ret = writefilestree(fp, tree, "");
  1131. 	fputs("</tbody></table>", fp);
  1133. 	git_commit_free(commit);
  1134. 	git_tree_free(tree);
  1136. 	return ret;
  1137. }
  1139. int
  1140. writerefs(FILE *fp)
  1141. {
  1142. 	struct referenceinfo *ris = NULL;
  1143. 	struct commitinfo *ci;
  1144. 	size_t count, i, j, refcount;
  1145. 	const char *titles[] = { "Branches", "Tags" };
  1146. 	const char *ids[] = { "branches", "tags" };
  1147. 	const char *s;
  1149. 	if (getrefs(&ris, &refcount) == -1)
  1150. 		return -1;
  1152. 	for (i = 0, j = 0, count = 0; i < refcount; i++) {
  1153. 		if (j == 0 && git_reference_is_tag(ris[i].ref)) {
  1154. 			if (count)
  1155. 				fputs("</tbody></table><br/>\n", fp);
  1156. 			count = 0;
  1157. 			j = 1;
  1158. 		}
  1160. 		/* print header if it has an entry (first). */
  1161. 		if (++count == 1) {
  1162. 			fprintf(fp, "<h2>%s</h2><table class=\"sortable\" id=\"%s\">"
  1163. 		                "<thead>\n<tr><th>Name</th>"
  1164. 			        "<th>Last commit date</th>"
  1165. 			        "<th>Author</th>\n</tr>\n"
  1166. 			        "</thead><tbody>\n",
  1167. 			         titles[j], ids[j]);
  1168. 		}
  1170. 		ci = ris[i].ci;
  1171. 		s = git_reference_shorthand(ris[i].ref);
  1173. 		fputs("<tr><td>", fp);
  1174. 		xmlencode(fp, s, strlen(s));
  1175. 		fputs("</td><td>", fp);
  1176. 		if (ci->author)
  1177. 			printtimeshort(fp, &(ci->author->when));
  1178. 		fputs("</td><td>", fp);
  1179. 		if (ci->author)
  1180. 			xmlencode(fp, ci->author->name, strlen(ci->author->name));
  1181. 		fputs("</td></tr>\n", fp);
  1182. 	}
  1183. 	/* table footer */
  1184. 	if (count)
  1185. 		fputs("</tbody></table><br/>\n", fp);
  1187. 	for (i = 0; i < refcount; i++) {
  1188. 		commitinfo_free(ris[i].ci);
  1189. 		git_reference_free(ris[i].ref);
  1190. 	}
  1191. 	free(ris);
  1193. 	return 0;
  1194. }
  1196. void
  1197. usage(char *argv0)
  1198. {
  1199. 	fprintf(stderr, "usage: %s [-c cachefile | -l commits] "
  1200. 	        "[-u baseurl] repodir\n", argv0);
  1201. 	exit(1);
  1202. }
  1204. int
  1205. main(int argc, char *argv[])
  1206. {
  1207. 	git_object *obj = NULL;
  1208. 	const git_oid *head = NULL;
  1209. 	mode_t mask;
  1210. 	FILE *fp, *fpread;
  1211. 	char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p;
  1212. 	char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ];
  1213. 	size_t n;
  1214. 	int i, fd;
  1216. 	for (i = 1; i < argc; i++) {
  1217. 		if (argv[i][0] != '-') {
  1218. 			if (repodir)
  1219. 				usage(argv[0]);
  1220. 			repodir = argv[i];
  1221. 		} else if (argv[i][1] == 'c') {
  1222. 			if (nlogcommits > 0 || i + 1 >= argc)
  1223. 				usage(argv[0]);
  1224. 			cachefile = argv[++i];
  1225. 		} else if (argv[i][1] == 'l') {
  1226. 			if (cachefile || i + 1 >= argc)
  1227. 				usage(argv[0]);
  1228. 			errno = 0;
  1229. 			nlogcommits = strtoll(argv[++i], &p, 10);
  1230. 			if (argv[i][0] == '\0' || *p != '\0' ||
  1231. 			    nlogcommits <= 0 || errno)
  1232. 				usage(argv[0]);
  1233. 		} else if (argv[i][1] == 'u') {
  1234. 			if (i + 1 >= argc)
  1235. 				usage(argv[0]);
  1236. 			baseurl = argv[++i];
  1237. 		}
  1238. 	}
  1239. 	if (!repodir)
  1240. 		usage(argv[0]);
  1242. 	if (!realpath(repodir, repodirabs))
  1243. 		err(1, "realpath");
  1245. 	/* do not search outside the git repository:
  1246. 	   GIT_CONFIG_LEVEL_APP is the highest level currently */
  1247. 	git_libgit2_init();
  1248. 	for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++)
  1249. 		git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, "");
  1250. 	/* do not require the git repository to be owned by the current user */
  1251. 	git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0);
  1253. #ifdef __OpenBSD__
  1254. 	if (unveil(repodir, "r") == -1)
  1255. 		err(1, "unveil: %s", repodir);
  1256. 	if (unveil(".", "rwc") == -1)
  1257. 		err(1, "unveil: .");
  1258. 	if (cachefile && unveil(cachefile, "rwc") == -1)
  1259. 		err(1, "unveil: %s", cachefile);
  1261. 	if (cachefile) {
  1262. 		if (pledge("stdio rpath wpath cpath fattr", NULL) == -1)
  1263. 			err(1, "pledge");
  1264. 	} else {
  1265. 		if (pledge("stdio rpath wpath cpath", NULL) == -1)
  1266. 			err(1, "pledge");
  1267. 	}
  1268. #endif
  1270. 	if (git_repository_open_ext(&repo, repodir,
  1271. 		GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) {
  1272. 		fprintf(stderr, "%s: cannot open repository\n", argv[0]);
  1273. 		return 1;
  1274. 	}
  1276. 	/* find HEAD */
  1277. 	if (!git_revparse_single(&obj, repo, "HEAD"))
  1278. 		head = git_object_id(obj);
  1279. 	git_object_free(obj);
  1281. 	/* use directory name as name */
  1282. 	if ((name = strrchr(repodirabs, '/')))
  1283. 		name++;
  1284. 	else
  1285. 		name = "";
  1287. 	/* strip .git suffix */
  1288. 	if (!(strippedname = strdup(name)))
  1289. 		err(1, "strdup");
  1290. 	if ((p = strrchr(strippedname, '.')))
  1291. 		if (!strcmp(p, ".git"))
  1292. 			*p = '\0';
  1294. 	/* read description or .git/description */
  1295. 	joinpath(path, sizeof(path), repodir, "description");
  1296. 	if (!(fpread = fopen(path, "r"))) {
  1297. 		joinpath(path, sizeof(path), repodir, ".git/description");
  1298. 		fpread = fopen(path, "r");
  1299. 	}
  1300. 	if (fpread) {
  1301. 		if (!fgets(description, sizeof(description), fpread))
  1302. 			description[0] = '\0';
  1303. 		checkfileerror(fpread, path, 'r');
  1304. 		fclose(fpread);
  1305. 	}
  1307. 	/* read url or .git/url */
  1308. 	joinpath(path, sizeof(path), repodir, "url");
  1309. 	if (!(fpread = fopen(path, "r"))) {
  1310. 		joinpath(path, sizeof(path), repodir, ".git/url");
  1311. 		fpread = fopen(path, "r");
  1312. 	}
  1313. 	if (fpread) {
  1314. 		if (!fgets(cloneurl, sizeof(cloneurl), fpread))
  1315. 			cloneurl[0] = '\0';
  1316. 		checkfileerror(fpread, path, 'r');
  1317. 		fclose(fpread);
  1318. 		cloneurl[strcspn(cloneurl, "\n")] = '\0';
  1319. 	}
  1321. 	/* check LICENSE */
  1322. 	for (i = 0; i < LEN(licensefiles) && !license; i++) {
  1323. 		if (!git_revparse_single(&obj, repo, licensefiles[i]) &&
  1324. 		    git_object_type(obj) == GIT_OBJ_BLOB)
  1325. 			license = licensefiles[i] + strlen("HEAD:");
  1326. 		git_object_free(obj);
  1327. 	}
  1329. 	/* check README */
  1330. 	for (i = 0; i < LEN(readmefiles) && !readme; i++) {
  1331. 		if (!git_revparse_single(&obj, repo, readmefiles[i]) &&
  1332. 		    git_object_type(obj) == GIT_OBJ_BLOB)
  1333. 			readme = readmefiles[i] + strlen("HEAD:");
  1334. 		git_object_free(obj);
  1335. 	}
  1337. 	if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") &&
  1338. 	    git_object_type(obj) == GIT_OBJ_BLOB)
  1339. 		submodules = ".gitmodules";
  1340. 	git_object_free(obj);
  1342. 	/* log for HEAD */
  1343. 	fp = efopen("log.html", "w");
  1344. 	relpath = "";
  1345. 	mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO);
  1346. 	writeheader(fp, "Log");
  1347. 	fputs("<table id=\"log\"><thead>\n<tr><td>Date</td>"
  1348. 	      "<td>Commit message</td>"
  1349. 	      "<td>Author</td><td class=\"num\" align=\"right\">Files</td>"
  1350. 	      "<td class=\"num\" align=\"right\">+</td>"
  1351. 	      "<td class=\"num\" align=\"right\">-</td></tr>\n</thead><tbody>\n", fp);
  1353. 	if (cachefile && head) {
  1354. 		/* read from cache file (does not need to exist) */
  1355. 		if ((rcachefp = fopen(cachefile, "r"))) {
  1356. 			if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp))
  1357. 				errx(1, "%s: no object id", cachefile);
  1358. 			if (git_oid_fromstr(&lastoid, lastoidstr))
  1359. 				errx(1, "%s: invalid object id", cachefile);
  1360. 		}
  1362. 		/* write log to (temporary) cache */
  1363. 		if ((fd = mkstemp(tmppath)) == -1)
  1364. 			err(1, "mkstemp");
  1365. 		if (!(wcachefp = fdopen(fd, "w")))
  1366. 			err(1, "fdopen: '%s'", tmppath);
  1367. 		/* write last commit id (HEAD) */
  1368. 		git_oid_tostr(buf, sizeof(buf), head);
  1369. 		fprintf(wcachefp, "%s\n", buf);
  1371. 		writelog(fp, head);
  1373. 		if (rcachefp) {
  1374. 			/* append previous log to log.html and the new cache */
  1375. 			while (!feof(rcachefp)) {
  1376. 				n = fread(buf, 1, sizeof(buf), rcachefp);
  1377. 				if (ferror(rcachefp))
  1378. 					break;
  1379. 				if (fwrite(buf, 1, n, fp) != n ||
  1380. 				    fwrite(buf, 1, n, wcachefp) != n)
  1381. 					    break;
  1382. 			}
  1383. 			checkfileerror(rcachefp, cachefile, 'r');
  1384. 			fclose(rcachefp);
  1385. 		}
  1386. 		checkfileerror(wcachefp, tmppath, 'w');
  1387. 		fclose(wcachefp);
  1388. 	} else {
  1389. 		if (head)
  1390. 			writelog(fp, head);
  1391. 	}
  1393. 	fputs("</tbody></table>", fp);
  1394. 	writefooter(fp);
  1395. 	checkfileerror(fp, "log.html", 'w');
  1396. 	fclose(fp);
  1398. 	/* files for HEAD */
  1399. 	fp = efopen("files.html", "w");
  1400. 	writeheader(fp, "Files");
  1401. 	if (head)
  1402. 		writefiles(fp, head);
  1403. 	writefooter(fp);
  1404. 	checkfileerror(fp, "files.html", 'w');
  1405. 	fclose(fp);
  1407. 	/* summary page with branches and tags */
  1408. 	fp = efopen("refs.html", "w");
  1409. 	writeheader(fp, "Refs");
  1410. 	writerefs(fp);
  1411. 	writefooter(fp);
  1412. 	checkfileerror(fp, "refs.html", 'w');
  1413. 	fclose(fp);
  1415. 	/* Atom feed */
  1416. 	fp = efopen("atom.xml", "w");
  1417. 	writeatom(fp, 1);
  1418. 	checkfileerror(fp, "atom.xml", 'w');
  1419. 	fclose(fp);
  1421. 	/* Atom feed for tags / releases */
  1422. 	fp = efopen("tags.xml", "w");
  1423. 	writeatom(fp, 0);
  1424. 	checkfileerror(fp, "tags.xml", 'w');
  1425. 	fclose(fp);
  1427. 	/* rename new cache file on success */
  1428. 	if (cachefile && head) {
  1429. 		if (rename(tmppath, cachefile))
  1430. 			err(1, "rename: '%s' to '%s'", tmppath, cachefile);
  1431. 		umask((mask = umask(0)));
  1432. 		if (chmod(cachefile,
  1433. 		    (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask))
  1434. 			err(1, "chmod: '%s'", cachefile);
  1435. 	}
  1437. 	/* cleanup */
  1438. 	git_repository_free(repo);
  1439. 	git_libgit2_shutdown();
  1441. 	return 0;
  1442. }