stagit.c (raw) (38394B)
1 #include <sys/stat.h> 2 #include <sys/types.h> 3 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> 14 15 #include <git2.h> 16 17 #include "compat.h" 18 19 #define LEN(s) (sizeof(s)/sizeof(*s)) 20 21 struct deltainfo { 22 git_patch *patch; 23 24 size_t addcount; 25 size_t delcount; 26 }; 27 28 struct commitinfo { 29 const git_oid *id; 30 31 char oid[GIT_OID_HEXSZ + 1]; 32 char parentoid[GIT_OID_HEXSZ + 1]; 33 34 const git_signature *author; 35 const git_signature *committer; 36 const char *summary; 37 const char *msg; 38 39 git_diff *diff; 40 git_commit *commit; 41 git_commit *parent; 42 git_tree *commit_tree; 43 git_tree *parent_tree; 44 45 size_t addcount; 46 size_t delcount; 47 size_t filecount; 48 49 struct deltainfo **deltas; 50 size_t ndeltas; 51 }; 52 53 /* reference and associated data for sorting */ 54 struct referenceinfo { 55 struct git_reference *ref; 56 struct commitinfo *ci; 57 }; 58 59 static git_repository *repo; 60 61 static const char *rootpath = "/"; 62 static const char *baseurl = ""; /* base URL to make absolute RSS/Atom URI */ 63 static const char *relpath = ""; 64 static const char *repodir; 65 66 static char *name = ""; 67 static char *strippedname = ""; 68 static char description[255]; 69 static char forked[255]; 70 static char cloneurl[1024]; 71 static char *submodules; 72 static char *licensefiles[] = { "HEAD:LICENSE", "HEAD:LICENSE.md", "HEAD:COPYING" }; 73 static char *license; 74 static char *readmefiles[] = { "HEAD:README", "HEAD:README.md" }; 75 static char *readme; 76 static long long nlogcommits = -1; /* -1 indicates not used */ 77 static int zipped = 0; 78 79 /* cache */ 80 static git_oid lastoid; 81 static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + NUL byte */ 82 static FILE *rcachefp, *wcachefp; 83 static const char *cachefile; 84 85 /* Handle read or write errors for a FILE * stream */ 86 void 87 checkfileerror(FILE *fp, const char *name, int mode) 88 { 89 if (mode == 'r' && ferror(fp)) 90 errx(1, "read error: %s", name); 91 else if (mode == 'w' && (fflush(fp) || ferror(fp))) 92 errx(1, "write error: %s", name); 93 } 94 95 void 96 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 97 { 98 int r; 99 100 r = snprintf(buf, bufsiz, "%s%s%s", 101 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 102 if (r < 0 || (size_t)r >= bufsiz) 103 errx(1, "path truncated: '%s%s%s'", 104 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 105 } 106 107 void 108 deltainfo_free(struct deltainfo *di) 109 { 110 if (!di) 111 return; 112 git_patch_free(di->patch); 113 memset(di, 0, sizeof(*di)); 114 free(di); 115 } 116 117 int 118 commitinfo_getstats(struct commitinfo *ci) 119 { 120 struct deltainfo *di; 121 git_diff_options opts; 122 git_diff_find_options fopts; 123 const git_diff_delta *delta; 124 const git_diff_hunk *hunk; 125 const git_diff_line *line; 126 git_patch *patch = NULL; 127 size_t ndeltas, nhunks, nhunklines; 128 size_t i, j, k; 129 130 if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) 131 goto err; 132 if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { 133 if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { 134 ci->parent = NULL; 135 ci->parent_tree = NULL; 136 } 137 } 138 139 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); 140 opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH | 141 GIT_DIFF_IGNORE_SUBMODULES | 142 GIT_DIFF_INCLUDE_TYPECHANGE; 143 if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) 144 goto err; 145 146 if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION)) 147 goto err; 148 /* find renames and copies, exact matches (no heuristic) for renames. */ 149 fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES | 150 GIT_DIFF_FIND_EXACT_MATCH_ONLY; 151 if (git_diff_find_similar(ci->diff, &fopts)) 152 goto err; 153 154 ndeltas = git_diff_num_deltas(ci->diff); 155 if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *)))) 156 err(1, "calloc"); 157 158 for (i = 0; i < ndeltas; i++) { 159 if (git_patch_from_diff(&patch, ci->diff, i)) 160 goto err; 161 162 if (!(di = calloc(1, sizeof(struct deltainfo)))) 163 err(1, "calloc"); 164 di->patch = patch; 165 ci->deltas[i] = di; 166 167 delta = git_patch_get_delta(patch); 168 169 /* skip stats for binary data */ 170 if (delta->flags & GIT_DIFF_FLAG_BINARY) 171 continue; 172 173 nhunks = git_patch_num_hunks(patch); 174 for (j = 0; j < nhunks; j++) { 175 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 176 break; 177 for (k = 0; ; k++) { 178 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 179 break; 180 if (line->old_lineno == -1) { 181 di->addcount++; 182 ci->addcount++; 183 } else if (line->new_lineno == -1) { 184 di->delcount++; 185 ci->delcount++; 186 } 187 } 188 } 189 } 190 ci->ndeltas = i; 191 ci->filecount = i; 192 193 return 0; 194 195 err: 196 git_diff_free(ci->diff); 197 ci->diff = NULL; 198 git_tree_free(ci->commit_tree); 199 ci->commit_tree = NULL; 200 git_tree_free(ci->parent_tree); 201 ci->parent_tree = NULL; 202 git_commit_free(ci->parent); 203 ci->parent = NULL; 204 205 if (ci->deltas) 206 for (i = 0; i < ci->ndeltas; i++) 207 deltainfo_free(ci->deltas[i]); 208 free(ci->deltas); 209 ci->deltas = NULL; 210 ci->ndeltas = 0; 211 ci->addcount = 0; 212 ci->delcount = 0; 213 ci->filecount = 0; 214 215 return -1; 216 } 217 218 void 219 commitinfo_free(struct commitinfo *ci) 220 { 221 size_t i; 222 223 if (!ci) 224 return; 225 if (ci->deltas) 226 for (i = 0; i < ci->ndeltas; i++) 227 deltainfo_free(ci->deltas[i]); 228 229 free(ci->deltas); 230 git_diff_free(ci->diff); 231 git_tree_free(ci->commit_tree); 232 git_tree_free(ci->parent_tree); 233 git_commit_free(ci->commit); 234 git_commit_free(ci->parent); 235 memset(ci, 0, sizeof(*ci)); 236 free(ci); 237 } 238 239 struct commitinfo * 240 commitinfo_getbyoid(const git_oid *id) 241 { 242 struct commitinfo *ci; 243 244 if (!(ci = calloc(1, sizeof(struct commitinfo)))) 245 err(1, "calloc"); 246 247 if (git_commit_lookup(&(ci->commit), repo, id)) 248 goto err; 249 ci->id = id; 250 251 git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit)); 252 git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0)); 253 254 ci->author = git_commit_author(ci->commit); 255 ci->committer = git_commit_committer(ci->commit); 256 ci->summary = git_commit_summary(ci->commit); 257 ci->msg = git_commit_message(ci->commit); 258 259 return ci; 260 261 err: 262 commitinfo_free(ci); 263 264 return NULL; 265 } 266 267 int 268 refs_cmp(const void *v1, const void *v2) 269 { 270 const struct referenceinfo *r1 = v1, *r2 = v2; 271 time_t t1, t2; 272 int r; 273 274 if ((r = git_reference_is_tag(r1->ref) - git_reference_is_tag(r2->ref))) 275 return r; 276 277 t1 = r1->ci->author ? r1->ci->author->when.time : 0; 278 t2 = r2->ci->author ? r2->ci->author->when.time : 0; 279 if ((r = t1 > t2 ? -1 : (t1 == t2 ? 0 : 1))) 280 return r; 281 282 return strcmp(git_reference_shorthand(r1->ref), 283 git_reference_shorthand(r2->ref)); 284 } 285 286 int 287 getrefs(struct referenceinfo **pris, size_t *prefcount) 288 { 289 struct referenceinfo *ris = NULL; 290 struct commitinfo *ci = NULL; 291 git_reference_iterator *it = NULL; 292 const git_oid *id = NULL; 293 git_object *obj = NULL; 294 git_reference *dref = NULL, *r, *ref = NULL; 295 size_t i, refcount; 296 297 *pris = NULL; 298 *prefcount = 0; 299 300 if (git_reference_iterator_new(&it, repo)) 301 return -1; 302 303 for (refcount = 0; !git_reference_next(&ref, it); ) { 304 if (!git_reference_is_branch(ref) && !git_reference_is_tag(ref)) { 305 git_reference_free(ref); 306 ref = NULL; 307 continue; 308 } 309 310 switch (git_reference_type(ref)) { 311 case GIT_REF_SYMBOLIC: 312 if (git_reference_resolve(&dref, ref)) 313 goto err; 314 r = dref; 315 break; 316 case GIT_REF_OID: 317 r = ref; 318 break; 319 default: 320 continue; 321 } 322 if (!git_reference_target(r) || 323 git_reference_peel(&obj, r, GIT_OBJ_ANY)) 324 goto err; 325 if (!(id = git_object_id(obj))) 326 goto err; 327 if (!(ci = commitinfo_getbyoid(id))) 328 break; 329 330 if (!(ris = reallocarray(ris, refcount + 1, sizeof(*ris)))) 331 err(1, "realloc"); 332 ris[refcount].ci = ci; 333 ris[refcount].ref = r; 334 refcount++; 335 336 git_object_free(obj); 337 obj = NULL; 338 git_reference_free(dref); 339 dref = NULL; 340 } 341 git_reference_iterator_free(it); 342 343 /* sort by type, date then shorthand name */ 344 qsort(ris, refcount, sizeof(*ris), refs_cmp); 345 346 *pris = ris; 347 *prefcount = refcount; 348 349 return 0; 350 351 err: 352 git_object_free(obj); 353 git_reference_free(dref); 354 commitinfo_free(ci); 355 for (i = 0; i < refcount; i++) { 356 commitinfo_free(ris[i].ci); 357 git_reference_free(ris[i].ref); 358 } 359 free(ris); 360 361 return -1; 362 } 363 364 FILE * 365 efopen(const char *filename, const char *flags) 366 { 367 FILE *fp; 368 369 if (!(fp = fopen(filename, flags))) 370 err(1, "fopen: '%s'", filename); 371 372 return fp; 373 } 374 375 /* Percent-encode, see RFC3986 section 2.1. */ 376 void 377 percentencode(FILE *fp, const char *s, size_t len) 378 { 379 static char tab[] = "0123456789ABCDEF"; 380 unsigned char uc; 381 size_t i; 382 383 for (i = 0; *s && i < len; s++, i++) { 384 uc = *s; 385 /* NOTE: do not encode '/' for paths or ",-." */ 386 if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || 387 uc == '[' || uc == ']') { 388 putc('%', fp); 389 putc(tab[(uc >> 4) & 0x0f], fp); 390 putc(tab[uc & 0x0f], fp); 391 } else { 392 putc(uc, fp); 393 } 394 } 395 } 396 397 /* Escape characters below as HTML 2.0 / XML 1.0. */ 398 void 399 xmlencode(FILE *fp, const char *s, size_t len) 400 { 401 size_t i; 402 403 for (i = 0; *s && i < len; s++, i++) { 404 switch(*s) { 405 case '<': fputs("<", fp); break; 406 case '>': fputs(">", fp); break; 407 case '\'': fputs("'", fp); break; 408 case '&': fputs("&", fp); break; 409 case '"': fputs(""", fp); break; 410 default: putc(*s, fp); 411 } 412 } 413 } 414 415 /* Escape characters below as HTML 2.0 / XML 1.0, ignore printing '\r', '\n' */ 416 void 417 xmlencodeline(FILE *fp, const char *s, size_t len) 418 { 419 size_t i; 420 421 for (i = 0; *s && i < len; s++, i++) { 422 switch(*s) { 423 case '<': fputs("<", fp); break; 424 case '>': fputs(">", fp); break; 425 case '\'': fputs("'", fp); break; 426 case '&': fputs("&", fp); break; 427 case '"': fputs(""", fp); break; 428 case '\r': break; /* ignore CR */ 429 case '\n': break; /* ignore LF */ 430 default: putc(*s, fp); 431 } 432 } 433 } 434 435 int 436 mkdirp(const char *path) 437 { 438 char tmp[PATH_MAX], *p; 439 440 if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp)) 441 errx(1, "path truncated: '%s'", path); 442 for (p = tmp + (tmp[0] == '/'); *p; p++) { 443 if (*p != '/') 444 continue; 445 *p = '\0'; 446 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 447 return -1; 448 *p = '/'; 449 } 450 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 451 return -1; 452 return 0; 453 } 454 455 void 456 printtimez(FILE *fp, const git_time *intime) 457 { 458 struct tm *intm; 459 time_t t; 460 char out[32]; 461 462 t = (time_t)intime->time; 463 if (!(intm = gmtime(&t))) 464 return; 465 strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm); 466 fputs(out, fp); 467 } 468 469 void 470 printtime(FILE *fp, const git_time *intime) 471 { 472 struct tm *intm; 473 time_t t; 474 char out[32]; 475 476 t = (time_t)intime->time + (intime->offset * 60); 477 if (!(intm = gmtime(&t))) 478 return; 479 strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm); 480 if (intime->offset < 0) 481 fprintf(fp, "%s -%02d%02d", out, 482 -(intime->offset) / 60, -(intime->offset) % 60); 483 else 484 fprintf(fp, "%s +%02d%02d", out, 485 intime->offset / 60, intime->offset % 60); 486 } 487 488 void 489 printtimeshort(FILE *fp, const git_time *intime) 490 { 491 struct tm *intm; 492 time_t t; 493 char out[32]; 494 495 t = (time_t)intime->time; 496 if (!(intm = gmtime(&t))) 497 return; 498 strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm); 499 fputs(out, fp); 500 } 501 502 void 503 writeheader(FILE *fp, const char *title) 504 { 505 fputs("<!DOCTYPE html>\n" 506 "<html>\n<head>\n" 507 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 508 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" 509 "<title>", fp); 510 xmlencode(fp, title, strlen(title)); 511 if (title[0] && strippedname[0]) 512 fputs(" - ", fp); 513 xmlencode(fp, strippedname, strlen(strippedname)); 514 if (description[0]) 515 fputs(" - ", fp); 516 xmlencode(fp, description, strlen(description)); 517 fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", rootpath); 518 fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\""); 519 xmlencode(fp, name, strlen(name)); 520 fprintf(fp, " Atom Feed\" href=\"%satom.xml\" />\n", relpath); 521 fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\""); 522 xmlencode(fp, name, strlen(name)); 523 fprintf(fp, " Atom Feed (tags)\" href=\"%stags.xml\" />\n", relpath); 524 fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", rootpath); 525 fputs("</head>\n<body>\n<table><tr><td id=\"logo\" rowspan=\"3\">", fp); 526 fprintf(fp, "<a href=\"../%s\"><img src=\"%slogo.png\" alt=\"\" width=\"75px\" height=\"75px\" /></a>", 527 relpath, rootpath); 528 fputs("</td><td colspan=\"2\"><h1>", fp); 529 xmlencode(fp, strippedname, strlen(strippedname)); 530 fputs("</h1><span class=\"desc\">", fp); 531 xmlencode(fp, description, strlen(description)); 532 fputs(forked, fp); 533 fputs("</span></td></tr>", fp); 534 fputs("<tr class=\"url\">", fp); 535 if (cloneurl[0]) { 536 fputs("<td>git clone <a href=\"", fp); 537 xmlencode(fp, cloneurl, strlen(cloneurl)); /* not percent-encoded */ 538 fputs("\">", fp); 539 xmlencode(fp, cloneurl, strlen(cloneurl)); 540 fputs("</a></td>", fp); 541 } 542 if (zipped) { 543 fputs("<td><a href=\"", fp); 544 xmlencode(fp, strippedname, strlen(strippedname)); 545 fputs(".zip\">", fp); 546 xmlencode(fp, strippedname, strlen(strippedname)); 547 fputs(".zip</a></td>", fp); 548 } 549 fputs("</td></tr>", fp); 550 fputs("<tr><td colspan=\"2\">\n", fp); 551 fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", relpath); 552 fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath); 553 fprintf(fp, "<a href=\"%srefs.html\">Refs</a> | ", relpath); 554 fprintf(fp, "<a href=\"%satom.xml\">Atom</a>", relpath); 555 if (submodules) 556 fprintf(fp, " | <a href=\"%sfile/%s.html\">Submodules</a>", 557 relpath, submodules); 558 if (readme) 559 fprintf(fp, " | <a href=\"%sfile/%s.html\">README</a>", 560 relpath, readme); 561 if (license) 562 fprintf(fp, " | <a href=\"%sfile/%s.html\">LICENSE</a>", 563 relpath, license); 564 fputs("</td></tr></table>\n<hr/>\n<div id=\"content\">\n", fp); 565 } 566 567 void 568 writefooter(FILE *fp) 569 { 570 fputs("</div>\n</body>\n</html>\n", fp); 571 } 572 573 size_t 574 writeblobhtml(FILE *fp, const char *filename, size_t filesize, const git_blob *blob) 575 { 576 size_t n = 0, i, len, prev; 577 const char *nfmt = "<a href=\"#l%zu\" class=\"line\" id=\"l%zu\">%7zu</a> "; 578 const char *s = git_blob_rawcontent(blob); 579 580 writeheader(fp, filename); 581 fputs("<p>", fp); 582 xmlencode(fp, filename, strlen(filename)); 583 fputs(" (<a href=\"./", fp); 584 xmlencode(fp, filename, strlen(filename)); 585 fputs("\">raw</a>)", fp); 586 fprintf(fp, " (%zuB)", filesize); 587 fputs("</p><hr/>", fp); 588 589 if (git_blob_is_binary(blob)) 590 fputs("<p>Binary file.</p>\n", fp); 591 592 len = git_blob_rawsize(blob); 593 fputs("<pre id=\"blob\">\n", fp); 594 595 if (len > 0) { 596 for (i = 0, prev = 0; i < len; i++) { 597 if (s[i] != '\n') 598 continue; 599 n++; 600 fprintf(fp, nfmt, n, n, n); 601 xmlencodeline(fp, &s[prev], i - prev + 1); 602 putc('\n', fp); 603 prev = i + 1; 604 } 605 /* trailing data */ 606 if ((len - prev) > 0) { 607 n++; 608 fprintf(fp, nfmt, n, n, n); 609 xmlencodeline(fp, &s[prev], len - prev); 610 } 611 } 612 613 fputs("</pre>\n", fp); 614 writefooter(fp); 615 616 return n; 617 } 618 619 void 620 printcommit(FILE *fp, struct commitinfo *ci) 621 { 622 fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n", 623 relpath, ci->oid, ci->oid); 624 625 if (ci->parentoid[0]) 626 fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n", 627 relpath, ci->parentoid, ci->parentoid); 628 629 if (ci->author) { 630 fputs("<b>Author:</b> ", fp); 631 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 632 fputs(" <<a href=\"mailto:", fp); 633 xmlencode(fp, ci->author->email, strlen(ci->author->email)); /* not percent-encoded */ 634 fputs("\">", fp); 635 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 636 fputs("</a>>\n<b>Date:</b> ", fp); 637 printtime(fp, &(ci->author->when)); 638 putc('\n', fp); 639 } 640 if (ci->msg) { 641 putc('\n', fp); 642 xmlencode(fp, ci->msg, strlen(ci->msg)); 643 putc('\n', fp); 644 } 645 } 646 647 void 648 printshowfile(FILE *fp, struct commitinfo *ci) 649 { 650 const git_diff_delta *delta; 651 const git_diff_hunk *hunk; 652 const git_diff_line *line; 653 git_patch *patch; 654 size_t nhunks, nhunklines, changed, add, del, total, i, j, k; 655 char linestr[80]; 656 int c; 657 658 printcommit(fp, ci); 659 660 if (!ci->deltas) 661 return; 662 663 if (ci->filecount > 1000 || 664 ci->ndeltas > 1000 || 665 ci->addcount > 100000 || 666 ci->delcount > 100000) { 667 fputs("Diff is too large, output suppressed.\n", fp); 668 return; 669 } 670 671 /* diff stat */ 672 fputs("<b>Diffstat:</b>\n<table>", fp); 673 for (i = 0; i < ci->ndeltas; i++) { 674 delta = git_patch_get_delta(ci->deltas[i]->patch); 675 676 switch (delta->status) { 677 case GIT_DELTA_ADDED: c = 'A'; break; 678 case GIT_DELTA_COPIED: c = 'C'; break; 679 case GIT_DELTA_DELETED: c = 'D'; break; 680 case GIT_DELTA_MODIFIED: c = 'M'; break; 681 case GIT_DELTA_RENAMED: c = 'R'; break; 682 case GIT_DELTA_TYPECHANGE: c = 'T'; break; 683 default: c = ' '; break; 684 } 685 if (c == ' ') 686 fprintf(fp, "<tr><td>%c", c); 687 else 688 fprintf(fp, "<tr><td class=\"%c\">%c", c, c); 689 690 fprintf(fp, "</td><td><a href=\"#h%zu\">", i); 691 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 692 if (strcmp(delta->old_file.path, delta->new_file.path)) { 693 fputs(" -> ", fp); 694 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 695 } 696 697 add = ci->deltas[i]->addcount; 698 del = ci->deltas[i]->delcount; 699 changed = add + del; 700 total = sizeof(linestr) - 2; 701 if (changed > total) { 702 if (add) 703 add = ((float)total / changed * add) + 1; 704 if (del) 705 del = ((float)total / changed * del) + 1; 706 } 707 memset(&linestr, '+', add); 708 memset(&linestr[add], '-', del); 709 710 fprintf(fp, "</a></td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">", 711 ci->deltas[i]->addcount + ci->deltas[i]->delcount); 712 fwrite(&linestr, 1, add, fp); 713 fputs("</span><span class=\"d\">", fp); 714 fwrite(&linestr[add], 1, del, fp); 715 fputs("</span></td></tr>\n", fp); 716 } 717 fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n", 718 ci->filecount, ci->filecount == 1 ? "" : "s", 719 ci->addcount, ci->addcount == 1 ? "" : "s", 720 ci->delcount, ci->delcount == 1 ? "" : "s"); 721 722 fputs("<hr/>", fp); 723 724 for (i = 0; i < ci->ndeltas; i++) { 725 patch = ci->deltas[i]->patch; 726 delta = git_patch_get_delta(patch); 727 fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/", i, relpath); 728 percentencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 729 fputs(".html\">", fp); 730 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 731 fprintf(fp, "</a> b/<a href=\"%sfile/", relpath); 732 percentencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 733 fprintf(fp, ".html\">"); 734 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 735 fprintf(fp, "</a></b>\n"); 736 737 /* check binary data */ 738 if (delta->flags & GIT_DIFF_FLAG_BINARY) { 739 fputs("Binary files differ.\n", fp); 740 continue; 741 } 742 743 nhunks = git_patch_num_hunks(patch); 744 for (j = 0; j < nhunks; j++) { 745 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 746 break; 747 748 fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"h\">", i, j, i, j); 749 xmlencode(fp, hunk->header, hunk->header_len); 750 fputs("</a>", fp); 751 752 for (k = 0; ; k++) { 753 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 754 break; 755 if (line->old_lineno == -1) 756 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"i\">+", 757 i, j, k, i, j, k); 758 else if (line->new_lineno == -1) 759 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"d\">-", 760 i, j, k, i, j, k); 761 else 762 putc(' ', fp); 763 xmlencodeline(fp, line->content, line->content_len); 764 putc('\n', fp); 765 if (line->old_lineno == -1 || line->new_lineno == -1) 766 fputs("</a>", fp); 767 } 768 } 769 } 770 } 771 772 void 773 writelogline(FILE *fp, struct commitinfo *ci) 774 { 775 fputs("<tr><td>", fp); 776 if (ci->author) 777 printtimeshort(fp, &(ci->author->when)); 778 fputs("</td><td>", fp); 779 if (ci->summary) { 780 fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid); 781 xmlencode(fp, ci->summary, strlen(ci->summary)); 782 fputs("</a>", fp); 783 } 784 fputs("</td><td>", fp); 785 if (ci->author) 786 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 787 fputs("</td><td class=\"num\" align=\"right\">", fp); 788 fprintf(fp, "%zu", ci->filecount); 789 fputs("</td><td class=\"num\" align=\"right\">", fp); 790 fprintf(fp, "+%zu", ci->addcount); 791 fputs("</td><td class=\"num\" align=\"right\">", fp); 792 fprintf(fp, "-%zu", ci->delcount); 793 fputs("</td></tr>\n", fp); 794 } 795 796 int 797 writelog(FILE *fp, const git_oid *oid) 798 { 799 struct commitinfo *ci; 800 git_revwalk *w = NULL; 801 git_oid id; 802 char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1]; 803 FILE *fpfile; 804 size_t remcommits = 0; 805 int r; 806 807 git_revwalk_new(&w, repo); 808 git_revwalk_push(w, oid); 809 810 while (!git_revwalk_next(&id, w)) { 811 relpath = ""; 812 813 if (cachefile && !memcmp(&id, &lastoid, sizeof(id))) 814 break; 815 816 git_oid_tostr(oidstr, sizeof(oidstr), &id); 817 r = snprintf(path, sizeof(path), "commit/%s.html", oidstr); 818 if (r < 0 || (size_t)r >= sizeof(path)) 819 errx(1, "path truncated: 'commit/%s.html'", oidstr); 820 r = access(path, F_OK); 821 822 /* optimization: if there are no log lines to write and 823 the commit file already exists: skip the diffstat */ 824 if (!nlogcommits) { 825 remcommits++; 826 if (!r) 827 continue; 828 } 829 830 if (!(ci = commitinfo_getbyoid(&id))) 831 break; 832 /* diffstat: for stagit HTML required for the log.html line */ 833 if (commitinfo_getstats(ci) == -1) 834 goto err; 835 836 if (nlogcommits != 0) { 837 writelogline(fp, ci); 838 if (nlogcommits > 0) 839 nlogcommits--; 840 } 841 842 if (cachefile) 843 writelogline(wcachefp, ci); 844 845 /* check if file exists if so skip it */ 846 if (r) { 847 relpath = "../"; 848 fpfile = efopen(path, "w"); 849 writeheader(fpfile, ci->summary); 850 fputs("<pre>", fpfile); 851 printshowfile(fpfile, ci); 852 fputs("</pre>\n", fpfile); 853 writefooter(fpfile); 854 checkfileerror(fpfile, path, 'w'); 855 fclose(fpfile); 856 } 857 err: 858 commitinfo_free(ci); 859 } 860 git_revwalk_free(w); 861 862 if (nlogcommits == 0 && remcommits != 0) { 863 fprintf(fp, "<tr><td colspan=\"5\">" 864 "%zu more commits remaining, fetch the repository" 865 "</td></tr>\n", remcommits); 866 } 867 868 relpath = ""; 869 870 return 0; 871 } 872 873 void 874 printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag) 875 { 876 fputs("<entry>\n", fp); 877 878 fprintf(fp, "<id>%s</id>\n", ci->oid); 879 if (ci->author) { 880 fputs("<published>", fp); 881 printtimez(fp, &(ci->author->when)); 882 fputs("</published>\n", fp); 883 } 884 if (ci->committer) { 885 fputs("<updated>", fp); 886 printtimez(fp, &(ci->committer->when)); 887 fputs("</updated>\n", fp); 888 } 889 if (ci->summary) { 890 fputs("<title>", fp); 891 if (tag && tag[0]) { 892 fputs("[", fp); 893 xmlencode(fp, tag, strlen(tag)); 894 fputs("] ", fp); 895 } 896 xmlencode(fp, ci->summary, strlen(ci->summary)); 897 fputs("</title>\n", fp); 898 } 899 fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n", 900 baseurl, ci->oid); 901 902 if (ci->author) { 903 fputs("<author>\n<name>", fp); 904 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 905 fputs("</name>\n<email>", fp); 906 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 907 fputs("</email>\n</author>\n", fp); 908 } 909 910 fputs("<content>", fp); 911 fprintf(fp, "commit %s\n", ci->oid); 912 if (ci->parentoid[0]) 913 fprintf(fp, "parent %s\n", ci->parentoid); 914 if (ci->author) { 915 fputs("Author: ", fp); 916 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 917 fputs(" <", fp); 918 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 919 fputs(">\nDate: ", fp); 920 printtime(fp, &(ci->author->when)); 921 putc('\n', fp); 922 } 923 if (ci->msg) { 924 putc('\n', fp); 925 xmlencode(fp, ci->msg, strlen(ci->msg)); 926 } 927 fputs("\n</content>\n</entry>\n", fp); 928 } 929 930 int 931 writeatom(FILE *fp, int all) 932 { 933 struct referenceinfo *ris = NULL; 934 size_t refcount = 0; 935 struct commitinfo *ci; 936 git_revwalk *w = NULL; 937 git_oid id; 938 size_t i, m = 100; /* last 'm' commits */ 939 940 fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" 941 "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp); 942 xmlencode(fp, strippedname, strlen(strippedname)); 943 fputs(", branch HEAD</title>\n<subtitle>", fp); 944 xmlencode(fp, description, strlen(description)); 945 fputs(forked, fp); 946 fputs("</subtitle>\n", fp); 947 948 /* all commits or only tags? */ 949 if (all) { 950 git_revwalk_new(&w, repo); 951 git_revwalk_push_head(w); 952 for (i = 0; i < m && !git_revwalk_next(&id, w); i++) { 953 if (!(ci = commitinfo_getbyoid(&id))) 954 break; 955 printcommitatom(fp, ci, ""); 956 commitinfo_free(ci); 957 } 958 git_revwalk_free(w); 959 } else if (getrefs(&ris, &refcount) != -1) { 960 /* references: tags */ 961 for (i = 0; i < refcount; i++) { 962 if (git_reference_is_tag(ris[i].ref)) 963 printcommitatom(fp, ris[i].ci, 964 git_reference_shorthand(ris[i].ref)); 965 966 commitinfo_free(ris[i].ci); 967 git_reference_free(ris[i].ref); 968 } 969 free(ris); 970 } 971 972 fputs("</feed>\n", fp); 973 974 return 0; 975 } 976 977 size_t 978 writeblob(git_object *obj, const char *fpath, int ftype, const char *filename, size_t filesize) 979 { 980 char tmp[PATH_MAX] = "", *d; 981 const char *p; 982 size_t lc = 0; 983 FILE *fp; 984 985 if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp)) 986 errx(1, "path truncated: '%s'", fpath); 987 if (!(d = dirname(tmp))) 988 err(1, "dirname"); 989 if (mkdirp(d)) 990 return -1; 991 992 for (p = fpath, tmp[0] = '\0'; *p; p++) { 993 if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp)) 994 errx(1, "path truncated: '../%s'", tmp); 995 } 996 relpath = tmp; 997 998 fp = efopen(fpath, "w"); 999 switch (ftype) { 1000 case 0: lc = writeblobhtml(fp, filename, filesize, (git_blob *)obj); break; 1001 case 1: 1002 fputs(git_blob_rawcontent((git_blob *)obj), fp); 1003 lc = -1; 1004 break; 1005 default: errx(1, "invalid ftype passed to writeblob: %d", ftype); break; 1006 } 1007 checkfileerror(fp, fpath, 'w'); 1008 fclose(fp); 1009 1010 relpath = ""; 1011 1012 return lc; 1013 } 1014 1015 const char * 1016 filemode(git_filemode_t m) 1017 { 1018 static char mode[11]; 1019 1020 memset(mode, '-', sizeof(mode) - 1); 1021 mode[10] = '\0'; 1022 1023 if (S_ISREG(m)) 1024 mode[0] = '-'; 1025 else if (S_ISBLK(m)) 1026 mode[0] = 'b'; 1027 else if (S_ISCHR(m)) 1028 mode[0] = 'c'; 1029 else if (S_ISDIR(m)) 1030 mode[0] = 'd'; 1031 else if (S_ISFIFO(m)) 1032 mode[0] = 'p'; 1033 else if (S_ISLNK(m)) 1034 mode[0] = 'l'; 1035 else if (S_ISSOCK(m)) 1036 mode[0] = 's'; 1037 else 1038 mode[0] = '?'; 1039 1040 if (m & S_IRUSR) mode[1] = 'r'; 1041 if (m & S_IWUSR) mode[2] = 'w'; 1042 if (m & S_IXUSR) mode[3] = 'x'; 1043 if (m & S_IRGRP) mode[4] = 'r'; 1044 if (m & S_IWGRP) mode[5] = 'w'; 1045 if (m & S_IXGRP) mode[6] = 'x'; 1046 if (m & S_IROTH) mode[7] = 'r'; 1047 if (m & S_IWOTH) mode[8] = 'w'; 1048 if (m & S_IXOTH) mode[9] = 'x'; 1049 1050 if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S'; 1051 if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S'; 1052 if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T'; 1053 1054 return mode; 1055 } 1056 1057 int 1058 writefilestree(FILE *fp, git_tree *tree, const char *path) 1059 { 1060 const git_tree_entry *entry = NULL; 1061 git_object *obj = NULL; 1062 const char *entryname; 1063 char filepath[PATH_MAX], filepath_raw[PATH_MAX], entrypath[PATH_MAX], oid[8]; 1064 size_t count, i, lc, filesize; 1065 int r, ret; 1066 1067 count = git_tree_entrycount(tree); 1068 for (i = 0; i < count; i++) { 1069 if (!(entry = git_tree_entry_byindex(tree, i)) || 1070 !(entryname = git_tree_entry_name(entry))) 1071 return -1; 1072 joinpath(entrypath, sizeof(entrypath), path, entryname); 1073 1074 r = snprintf(filepath, sizeof(filepath), "file/%s.html", 1075 entrypath); 1076 if (r < 0 || (size_t)r >= sizeof(filepath)) 1077 errx(1, "path truncated: 'file/%s.html'", entrypath); 1078 1079 r = snprintf(filepath_raw, sizeof(filepath_raw), "file/%s", 1080 entrypath); 1081 if (r < 0 || (size_t)r >= sizeof(filepath_raw)) 1082 errx(1, "path truncated: 'file/%s'", entrypath); 1083 1084 if (!git_tree_entry_to_object(&obj, repo, entry)) { 1085 switch (git_object_type(obj)) { 1086 case GIT_OBJ_BLOB: 1087 break; 1088 case GIT_OBJ_TREE: 1089 /* NOTE: recurses */ 1090 ret = writefilestree(fp, (git_tree *)obj, 1091 entrypath); 1092 git_object_free(obj); 1093 if (ret) 1094 return ret; 1095 continue; 1096 default: 1097 git_object_free(obj); 1098 continue; 1099 } 1100 1101 filesize = git_blob_rawsize((git_blob *)obj); 1102 writeblob(obj, filepath_raw, 1, entryname, filesize); 1103 lc = writeblob(obj, filepath, 0, entryname, filesize); 1104 1105 fputs("<tr><td>", fp); 1106 fputs(filemode(git_tree_entry_filemode(entry)), fp); 1107 fprintf(fp, "</td><td><a href=\"%s", relpath); 1108 percentencode(fp, filepath, strlen(filepath)); 1109 fputs("\">", fp); 1110 xmlencode(fp, entrypath, strlen(entrypath)); 1111 fputs("</a></td><td class=\"num\" align=\"right\">", fp); 1112 if (lc > 0) 1113 fprintf(fp, "%zuL", lc); 1114 else 1115 fprintf(fp, "%zuB", filesize); 1116 fputs("</td></tr>\n", fp); 1117 git_object_free(obj); 1118 } else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) { 1119 /* commit object in tree is a submodule */ 1120 fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">", 1121 relpath); 1122 xmlencode(fp, entrypath, strlen(entrypath)); 1123 fputs("</a> @ ", fp); 1124 git_oid_tostr(oid, sizeof(oid), git_tree_entry_id(entry)); 1125 xmlencode(fp, oid, strlen(oid)); 1126 fputs("</td><td class=\"num\" align=\"right\"></td></tr>\n", fp); 1127 } 1128 } 1129 1130 return 0; 1131 } 1132 1133 int 1134 writefiles(FILE *fp, const git_oid *id) 1135 { 1136 git_tree *tree = NULL; 1137 git_commit *commit = NULL; 1138 int ret = -1; 1139 1140 fputs("<table id=\"files\"><thead>\n<tr>" 1141 "<td><b>Mode</b></td><td><b>Name</b></td>" 1142 "<td class=\"num\" align=\"right\"><b>Size</b></td>" 1143 "</tr>\n</thead><tbody>\n", fp); 1144 1145 if (!git_commit_lookup(&commit, repo, id) && 1146 !git_commit_tree(&tree, commit)) 1147 ret = writefilestree(fp, tree, ""); 1148 1149 fputs("</tbody></table>", fp); 1150 1151 git_commit_free(commit); 1152 git_tree_free(tree); 1153 1154 return ret; 1155 } 1156 1157 int 1158 writerefs(FILE *fp) 1159 { 1160 struct referenceinfo *ris = NULL; 1161 struct commitinfo *ci; 1162 size_t count, i, j, refcount; 1163 const char *titles[] = { "Branches", "Tags" }; 1164 const char *ids[] = { "branches", "tags" }; 1165 const char *s; 1166 1167 if (getrefs(&ris, &refcount) == -1) 1168 return -1; 1169 1170 for (i = 0, j = 0, count = 0; i < refcount; i++) { 1171 if (j == 0 && git_reference_is_tag(ris[i].ref)) { 1172 if (count) 1173 fputs("</tbody></table><br/>\n", fp); 1174 count = 0; 1175 j = 1; 1176 } 1177 1178 /* print header if it has an entry (first). */ 1179 if (++count == 1) { 1180 fprintf(fp, "<h2>%s</h2><table id=\"%s\">" 1181 "<thead>\n<tr><td><b>Name</b></td>" 1182 "<td><b>Last commit date</b></td>" 1183 "<td><b>Author</b></td>\n</tr>\n" 1184 "</thead><tbody>\n", 1185 titles[j], ids[j]); 1186 } 1187 1188 ci = ris[i].ci; 1189 s = git_reference_shorthand(ris[i].ref); 1190 1191 fputs("<tr><td>", fp); 1192 xmlencode(fp, s, strlen(s)); 1193 fputs("</td><td>", fp); 1194 if (ci->author) 1195 printtimeshort(fp, &(ci->author->when)); 1196 fputs("</td><td>", fp); 1197 if (ci->author) 1198 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1199 fputs("</td></tr>\n", fp); 1200 } 1201 /* table footer */ 1202 if (count) 1203 fputs("</tbody></table><br/>\n", fp); 1204 1205 for (i = 0; i < refcount; i++) { 1206 commitinfo_free(ris[i].ci); 1207 git_reference_free(ris[i].ref); 1208 } 1209 free(ris); 1210 1211 return 0; 1212 } 1213 1214 void 1215 writeindex(FILE *fp) 1216 { 1217 fprintf(fp, "<html><head><meta http-equiv=\"Refresh\" content=\"0; url='/%s/log.html'\" /></head><body><p>redirecting to log...</p></html>", name); 1218 } 1219 1220 void 1221 usage(char *argv0) 1222 { 1223 fprintf(stderr, "usage: %s [-c cachefile | -l commits] " 1224 "[-u baseurl] repodir\n", argv0); 1225 exit(1); 1226 } 1227 1228 int 1229 main(int argc, char *argv[]) 1230 { 1231 git_object *obj = NULL; 1232 const git_oid *head = NULL; 1233 mode_t mask; 1234 FILE *fp, *fpread; 1235 char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p; 1236 char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ]; 1237 char url[100]; 1238 size_t n; 1239 int i, fd; 1240 1241 for (i = 1; i < argc; i++) { 1242 if (argv[i][0] != '-') { 1243 if (repodir) 1244 usage(argv[0]); 1245 repodir = argv[i]; 1246 } else if (argv[i][1] == 'c') { 1247 if (nlogcommits > 0 || i + 1 >= argc) 1248 usage(argv[0]); 1249 cachefile = argv[++i]; 1250 } else if (argv[i][1] == 'l') { 1251 if (cachefile || i + 1 >= argc) 1252 usage(argv[0]); 1253 errno = 0; 1254 nlogcommits = strtoll(argv[++i], &p, 10); 1255 if (argv[i][0] == '\0' || *p != '\0' || 1256 nlogcommits <= 0 || errno) 1257 usage(argv[0]); 1258 } else if (argv[i][1] == 'u') { 1259 if (i + 1 >= argc) 1260 usage(argv[0]); 1261 baseurl = argv[++i]; 1262 } 1263 } 1264 if (!repodir) 1265 usage(argv[0]); 1266 1267 if (!realpath(repodir, repodirabs)) 1268 err(1, "realpath"); 1269 1270 /* do not search outside the git repository: 1271 GIT_CONFIG_LEVEL_APP is the highest level currently */ 1272 git_libgit2_init(); 1273 for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++) 1274 git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, ""); 1275 /* do not require the git repository to be owned by the current user */ 1276 git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0); 1277 1278 #ifdef __OpenBSD__ 1279 if (unveil(repodir, "r") == -1) 1280 err(1, "unveil: %s", repodir); 1281 if (unveil(".", "rwc") == -1) 1282 err(1, "unveil: ."); 1283 if (cachefile && unveil(cachefile, "rwc") == -1) 1284 err(1, "unveil: %s", cachefile); 1285 1286 if (cachefile) { 1287 if (pledge("stdio rpath wpath cpath fattr", NULL) == -1) 1288 err(1, "pledge"); 1289 } else { 1290 if (pledge("stdio rpath wpath cpath", NULL) == -1) 1291 err(1, "pledge"); 1292 } 1293 #endif 1294 1295 if (git_repository_open_ext(&repo, repodir, 1296 GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) { 1297 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 1298 return 1; 1299 } 1300 1301 /* find HEAD */ 1302 if (!git_revparse_single(&obj, repo, "HEAD")) 1303 head = git_object_id(obj); 1304 git_object_free(obj); 1305 1306 /* use directory name as name */ 1307 if ((name = strrchr(repodirabs, '/'))) 1308 name++; 1309 else 1310 name = ""; 1311 1312 /* strip .git suffix */ 1313 if (!(strippedname = strdup(name))) 1314 err(1, "strdup"); 1315 if ((p = strrchr(strippedname, '.'))) 1316 if (!strcmp(p, ".git")) 1317 *p = '\0'; 1318 1319 #ifdef ZIP 1320 snprintf(path, sizeof(path), "zip -q -r %s.zip %s", name, repodir); 1321 system(path); 1322 snprintf(path, sizeof(path), "%s.zip", name); 1323 if (!(fpread = efopen(path, "r"))) { 1324 checkfileerror(fpread, path, 'r'); 1325 fclose(fpread); 1326 } else { 1327 zipped = 1; 1328 } 1329 #endif 1330 1331 /* read description or .git/description */ 1332 joinpath(path, sizeof(path), repodir, "description"); 1333 if (!(fpread = fopen(path, "r"))) { 1334 joinpath(path, sizeof(path), repodir, ".git/description"); 1335 fpread = fopen(path, "r"); 1336 } 1337 if (fpread) { 1338 if (!fgets(description, sizeof(description), fpread)) 1339 description[0] = '\0'; 1340 checkfileerror(fpread, path, 'r'); 1341 fclose(fpread); 1342 } 1343 1344 /* read .git/fork */ 1345 joinpath(path, sizeof(path), repodir, ".git/fork"); 1346 if (fpread = fopen(path, "r")) { 1347 if (fgets(url, sizeof(url), fpread)) { 1348 if (strlen(url) > 0 && strlen(description) == 0) 1349 snprintf(forked, 127, "forked from <a href=\"%s\">%s</a>", url, url); 1350 else if (strlen(url) > 0) 1351 snprintf(forked, 127, "- forked from <a href=\"%s\">%s</a>", url, url); 1352 } 1353 } 1354 if (fpread) { 1355 checkfileerror(fpread, path, 'r'); 1356 fclose(fpread); 1357 } 1358 1359 /* read url or .git/url */ 1360 joinpath(path, sizeof(path), repodir, "url"); 1361 if (!(fpread = fopen(path, "r"))) { 1362 joinpath(path, sizeof(path), repodir, ".git/url"); 1363 fpread = fopen(path, "r"); 1364 } 1365 if (fpread) { 1366 if (!fgets(cloneurl, sizeof(cloneurl), fpread)) 1367 cloneurl[0] = '\0'; 1368 checkfileerror(fpread, path, 'r'); 1369 fclose(fpread); 1370 cloneurl[strcspn(cloneurl, "\n")] = '\0'; 1371 } 1372 1373 /* check LICENSE */ 1374 for (i = 0; i < LEN(licensefiles) && !license; i++) { 1375 if (!git_revparse_single(&obj, repo, licensefiles[i]) && 1376 git_object_type(obj) == GIT_OBJ_BLOB) 1377 license = licensefiles[i] + strlen("HEAD:"); 1378 git_object_free(obj); 1379 } 1380 1381 /* check README */ 1382 for (i = 0; i < LEN(readmefiles) && !readme; i++) { 1383 if (!git_revparse_single(&obj, repo, readmefiles[i]) && 1384 git_object_type(obj) == GIT_OBJ_BLOB) 1385 readme = readmefiles[i] + strlen("HEAD:"); 1386 git_object_free(obj); 1387 } 1388 1389 if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") && 1390 git_object_type(obj) == GIT_OBJ_BLOB) 1391 submodules = ".gitmodules"; 1392 git_object_free(obj); 1393 1394 /* log for HEAD */ 1395 fp = efopen("log.html", "w"); 1396 relpath = ""; 1397 mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO); 1398 writeheader(fp, "Log"); 1399 fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>" 1400 "<td><b>Commit message</b></td>" 1401 "<td><b>Author</b></td><td class=\"num\" align=\"right\"><b>Files</b></td>" 1402 "<td class=\"num\" align=\"right\"><b>+</b></td>" 1403 "<td class=\"num\" align=\"right\"><b>-</b></td></tr>\n</thead><tbody>\n", fp); 1404 1405 if (cachefile && head) { 1406 /* read from cache file (does not need to exist) */ 1407 if ((rcachefp = fopen(cachefile, "r"))) { 1408 if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp)) 1409 errx(1, "%s: no object id", cachefile); 1410 if (git_oid_fromstr(&lastoid, lastoidstr)) 1411 errx(1, "%s: invalid object id", cachefile); 1412 } 1413 1414 /* write log to (temporary) cache */ 1415 if ((fd = mkstemp(tmppath)) == -1) 1416 err(1, "mkstemp"); 1417 if (!(wcachefp = fdopen(fd, "w"))) 1418 err(1, "fdopen: '%s'", tmppath); 1419 /* write last commit id (HEAD) */ 1420 git_oid_tostr(buf, sizeof(buf), head); 1421 fprintf(wcachefp, "%s\n", buf); 1422 1423 writelog(fp, head); 1424 1425 if (rcachefp) { 1426 /* append previous log to log.html and the new cache */ 1427 while (!feof(rcachefp)) { 1428 n = fread(buf, 1, sizeof(buf), rcachefp); 1429 if (ferror(rcachefp)) 1430 break; 1431 if (fwrite(buf, 1, n, fp) != n || 1432 fwrite(buf, 1, n, wcachefp) != n) 1433 break; 1434 } 1435 checkfileerror(rcachefp, cachefile, 'r'); 1436 fclose(rcachefp); 1437 } 1438 checkfileerror(wcachefp, tmppath, 'w'); 1439 fclose(wcachefp); 1440 } else { 1441 if (head) 1442 writelog(fp, head); 1443 } 1444 1445 fputs("</tbody></table>", fp); 1446 writefooter(fp); 1447 checkfileerror(fp, "log.html", 'w'); 1448 fclose(fp); 1449 1450 /* files for HEAD */ 1451 fp = efopen("files.html", "w"); 1452 writeheader(fp, "Files"); 1453 if (head) writefiles(fp, head); 1454 writefooter(fp); 1455 checkfileerror(fp, "files.html", 'w'); 1456 fclose(fp); 1457 1458 /* summary page with branches and tags */ 1459 fp = efopen("refs.html", "w"); 1460 writeheader(fp, "Refs"); 1461 writerefs(fp); 1462 writefooter(fp); 1463 checkfileerror(fp, "refs.html", 'w'); 1464 fclose(fp); 1465 1466 /* Atom feed */ 1467 fp = efopen("atom.xml", "w"); 1468 writeatom(fp, 1); 1469 checkfileerror(fp, "atom.xml", 'w'); 1470 fclose(fp); 1471 1472 /* Atom feed for tags / releases */ 1473 fp = efopen("tags.xml", "w"); 1474 writeatom(fp, 0); 1475 checkfileerror(fp, "tags.xml", 'w'); 1476 fclose(fp); 1477 1478 /* index redirect page */ 1479 fp = efopen("index.html", "w"); 1480 writeindex(fp); 1481 checkfileerror(fp, "index.html", 'w'); 1482 fclose(fp); 1483 1484 /* rename new cache file on success */ 1485 if (cachefile && head) { 1486 if (rename(tmppath, cachefile)) 1487 err(1, "rename: '%s' to '%s'", tmppath, cachefile); 1488 umask((mask = umask(0))); 1489 if (chmod(cachefile, 1490 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask)) 1491 err(1, "chmod: '%s'", cachefile); 1492 } 1493 1494 /* cleanup */ 1495 git_repository_free(repo); 1496 git_libgit2_shutdown(); 1497 1498 return 0; 1499 }