stagit.c (36613B)
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 *baseurl = ""; /* base URL to make absolute RSS/Atom URI */ 62 static const char *relpath = ""; 63 static const char *repodir; 64 static char index_link[255] = "<a href=\"..\">Back to index</a>"; 65 66 static char *name = ""; 67 static char *strippedname = ""; 68 static char description[255]; 69 static char cloneurl[1024]; 70 static char altcloneurl[1024]; 71 static char *submodules; 72 static char *releasedir = "../releases"; 73 static char *licensefiles[] = { "HEAD:LICENSE", "HEAD:LICENSE.md", "HEAD:LICENSE.txt", "HEAD:LICENSE.rst", "HEAD:COPYING" }; 74 static char *license; 75 static char *readmefiles[] = { "HEAD:README", "HEAD:README.md", "HEAD:README.rst", "HEAD:README.txt" }; 76 static char *readme; 77 static long long nlogcommits = -1; /* -1 indicates not used */ 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 void 86 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 87 { 88 int r; 89 90 r = snprintf(buf, bufsiz, "%s%s%s", 91 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 92 if (r < 0 || (size_t)r >= bufsiz) 93 errx(1, "path truncated: '%s%s%s'", 94 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 95 } 96 97 void 98 deltainfo_free(struct deltainfo *di) 99 { 100 if (!di) 101 return; 102 git_patch_free(di->patch); 103 memset(di, 0, sizeof(*di)); 104 free(di); 105 } 106 107 int 108 commitinfo_getstats(struct commitinfo *ci) 109 { 110 struct deltainfo *di; 111 git_diff_options opts; 112 git_diff_find_options fopts; 113 const git_diff_delta *delta; 114 const git_diff_hunk *hunk; 115 const git_diff_line *line; 116 git_patch *patch = NULL; 117 size_t ndeltas, nhunks, nhunklines; 118 size_t i, j, k; 119 120 if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) 121 goto err; 122 if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { 123 if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { 124 ci->parent = NULL; 125 ci->parent_tree = NULL; 126 } 127 } 128 129 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); 130 opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH | 131 GIT_DIFF_IGNORE_SUBMODULES | 132 GIT_DIFF_INCLUDE_TYPECHANGE; 133 if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) 134 goto err; 135 136 if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION)) 137 goto err; 138 /* find renames and copies, exact matches (no heuristic) for renames. */ 139 fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES | 140 GIT_DIFF_FIND_EXACT_MATCH_ONLY; 141 if (git_diff_find_similar(ci->diff, &fopts)) 142 goto err; 143 144 ndeltas = git_diff_num_deltas(ci->diff); 145 if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *)))) 146 err(1, "calloc"); 147 148 for (i = 0; i < ndeltas; i++) { 149 if (git_patch_from_diff(&patch, ci->diff, i)) 150 goto err; 151 152 if (!(di = calloc(1, sizeof(struct deltainfo)))) 153 err(1, "calloc"); 154 di->patch = patch; 155 ci->deltas[i] = di; 156 157 delta = git_patch_get_delta(patch); 158 159 /* skip stats for binary data */ 160 if (delta->flags & GIT_DIFF_FLAG_BINARY) 161 continue; 162 163 nhunks = git_patch_num_hunks(patch); 164 for (j = 0; j < nhunks; j++) { 165 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 166 break; 167 for (k = 0; ; k++) { 168 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 169 break; 170 if (line->old_lineno == -1) { 171 di->addcount++; 172 ci->addcount++; 173 } else if (line->new_lineno == -1) { 174 di->delcount++; 175 ci->delcount++; 176 } 177 } 178 } 179 } 180 ci->ndeltas = i; 181 ci->filecount = i; 182 183 return 0; 184 185 err: 186 git_diff_free(ci->diff); 187 ci->diff = NULL; 188 git_tree_free(ci->commit_tree); 189 ci->commit_tree = NULL; 190 git_tree_free(ci->parent_tree); 191 ci->parent_tree = NULL; 192 git_commit_free(ci->parent); 193 ci->parent = NULL; 194 195 if (ci->deltas) 196 for (i = 0; i < ci->ndeltas; i++) 197 deltainfo_free(ci->deltas[i]); 198 free(ci->deltas); 199 ci->deltas = NULL; 200 ci->ndeltas = 0; 201 ci->addcount = 0; 202 ci->delcount = 0; 203 ci->filecount = 0; 204 205 return -1; 206 } 207 208 void 209 commitinfo_free(struct commitinfo *ci) 210 { 211 size_t i; 212 213 if (!ci) 214 return; 215 if (ci->deltas) 216 for (i = 0; i < ci->ndeltas; i++) 217 deltainfo_free(ci->deltas[i]); 218 219 free(ci->deltas); 220 git_diff_free(ci->diff); 221 git_tree_free(ci->commit_tree); 222 git_tree_free(ci->parent_tree); 223 git_commit_free(ci->commit); 224 git_commit_free(ci->parent); 225 memset(ci, 0, sizeof(*ci)); 226 free(ci); 227 } 228 229 struct commitinfo * 230 commitinfo_getbyoid(const git_oid *id) 231 { 232 struct commitinfo *ci; 233 234 if (!(ci = calloc(1, sizeof(struct commitinfo)))) 235 err(1, "calloc"); 236 237 if (git_commit_lookup(&(ci->commit), repo, id)) 238 goto err; 239 ci->id = id; 240 241 git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit)); 242 git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0)); 243 244 ci->author = git_commit_author(ci->commit); 245 ci->committer = git_commit_committer(ci->commit); 246 ci->summary = git_commit_summary(ci->commit); 247 ci->msg = git_commit_message(ci->commit); 248 249 return ci; 250 251 err: 252 commitinfo_free(ci); 253 254 return NULL; 255 } 256 257 int 258 refs_cmp(const void *v1, const void *v2) 259 { 260 const struct referenceinfo *r1 = v1, *r2 = v2; 261 time_t t1, t2; 262 int r; 263 264 if ((r = git_reference_is_tag(r1->ref) - git_reference_is_tag(r2->ref))) 265 return r; 266 267 t1 = r1->ci->author ? r1->ci->author->when.time : 0; 268 t2 = r2->ci->author ? r2->ci->author->when.time : 0; 269 if ((r = t1 > t2 ? -1 : (t1 == t2 ? 0 : 1))) 270 return r; 271 272 return strcmp(git_reference_shorthand(r1->ref), 273 git_reference_shorthand(r2->ref)); 274 } 275 276 int 277 getrefs(struct referenceinfo **pris, size_t *prefcount) 278 { 279 struct referenceinfo *ris = NULL; 280 struct commitinfo *ci = NULL; 281 git_reference_iterator *it = NULL; 282 const git_oid *id = NULL; 283 git_object *obj = NULL; 284 git_reference *dref = NULL, *r, *ref = NULL; 285 size_t i, refcount; 286 287 *pris = NULL; 288 *prefcount = 0; 289 290 if (git_reference_iterator_new(&it, repo)) 291 return -1; 292 293 for (refcount = 0; !git_reference_next(&ref, it); ) { 294 if (!git_reference_is_branch(ref) && !git_reference_is_tag(ref)) { 295 git_reference_free(ref); 296 ref = NULL; 297 continue; 298 } 299 300 switch (git_reference_type(ref)) { 301 case GIT_REF_SYMBOLIC: 302 if (git_reference_resolve(&dref, ref)) 303 goto err; 304 r = dref; 305 break; 306 case GIT_REF_OID: 307 r = ref; 308 break; 309 default: 310 continue; 311 } 312 if (!git_reference_target(r) || 313 git_reference_peel(&obj, r, GIT_OBJ_ANY)) 314 goto err; 315 if (!(id = git_object_id(obj))) 316 goto err; 317 if (!(ci = commitinfo_getbyoid(id))) 318 break; 319 320 if (!(ris = reallocarray(ris, refcount + 1, sizeof(*ris)))) 321 err(1, "realloc"); 322 ris[refcount].ci = ci; 323 ris[refcount].ref = r; 324 refcount++; 325 326 git_object_free(obj); 327 obj = NULL; 328 git_reference_free(dref); 329 dref = NULL; 330 } 331 git_reference_iterator_free(it); 332 333 /* sort by type, date then shorthand name */ 334 qsort(ris, refcount, sizeof(*ris), refs_cmp); 335 336 *pris = ris; 337 *prefcount = refcount; 338 339 return 0; 340 341 err: 342 git_object_free(obj); 343 git_reference_free(dref); 344 commitinfo_free(ci); 345 for (i = 0; i < refcount; i++) { 346 commitinfo_free(ris[i].ci); 347 git_reference_free(ris[i].ref); 348 } 349 free(ris); 350 351 return -1; 352 } 353 354 FILE * 355 efopen(const char *filename, const char *flags) 356 { 357 FILE *fp; 358 359 if (!(fp = fopen(filename, flags))) 360 err(1, "fopen: '%s'", filename); 361 362 return fp; 363 } 364 365 /* Percent-encode, see RFC3986 section 2.1. */ 366 void 367 percentencode(FILE *fp, const char *s, size_t len) 368 { 369 static char tab[] = "0123456789ABCDEF"; 370 unsigned char uc; 371 size_t i; 372 373 for (i = 0; *s && i < len; s++, i++) { 374 uc = *s; 375 /* NOTE: do not encode '/' for paths */ 376 if (uc < '/' || uc >= 127 || (uc >= ':' && uc <= '@') || 377 uc == '[' || uc == ']') { 378 putc('%', fp); 379 putc(tab[(uc >> 4) & 0x0f], fp); 380 putc(tab[uc & 0x0f], fp); 381 } else { 382 putc(uc, fp); 383 } 384 } 385 } 386 387 /* Escape characters below as HTML 2.0 / XML 1.0. */ 388 void 389 xmlencode(FILE *fp, const char *s, size_t len) 390 { 391 size_t i; 392 393 for (i = 0; *s && i < len; s++, i++) { 394 switch(*s) { 395 case '<': fputs("<", fp); break; 396 case '>': fputs(">", fp); break; 397 case '\'': fputs("'", fp); break; 398 case '&': fputs("&", fp); break; 399 case '"': fputs(""", fp); break; 400 default: putc(*s, fp); 401 } 402 } 403 } 404 405 /* Escape characters below as HTML 2.0 / XML 1.0, ignore printing '\r', '\n' */ 406 void 407 xmlencodeline(FILE *fp, const char *s, size_t len) 408 { 409 size_t i; 410 411 for (i = 0; *s && i < len; s++, i++) { 412 switch(*s) { 413 case '<': fputs("<", fp); break; 414 case '>': fputs(">", fp); break; 415 case '\'': fputs("'", fp); break; 416 case '&': fputs("&", fp); break; 417 case '"': fputs(""", fp); break; 418 case '\r': break; /* ignore CR */ 419 case '\n': break; /* ignore LF */ 420 default: putc(*s, fp); 421 } 422 } 423 } 424 425 int 426 mkdirp(const char *path) 427 { 428 char tmp[PATH_MAX], *p; 429 430 if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp)) 431 errx(1, "path truncated: '%s'", path); 432 for (p = tmp + (tmp[0] == '/'); *p; p++) { 433 if (*p != '/') 434 continue; 435 *p = '\0'; 436 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 437 return -1; 438 *p = '/'; 439 } 440 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 441 return -1; 442 return 0; 443 } 444 445 void 446 printtimez(FILE *fp, const git_time *intime) 447 { 448 struct tm *intm; 449 time_t t; 450 char out[32]; 451 452 t = (time_t)intime->time; 453 if (!(intm = gmtime(&t))) 454 return; 455 strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm); 456 fputs(out, fp); 457 } 458 459 void 460 printtime(FILE *fp, const git_time *intime) 461 { 462 struct tm *intm; 463 time_t t; 464 char out[32]; 465 466 t = (time_t)intime->time + (intime->offset * 60); 467 if (!(intm = gmtime(&t))) 468 return; 469 strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm); 470 if (intime->offset < 0) 471 fprintf(fp, "%s -%02d%02d", out, 472 -(intime->offset) / 60, -(intime->offset) % 60); 473 else 474 fprintf(fp, "%s +%02d%02d", out, 475 intime->offset / 60, intime->offset % 60); 476 } 477 478 void 479 printtimeshort(FILE *fp, const git_time *intime) 480 { 481 struct tm *intm; 482 time_t t; 483 char out[32]; 484 485 t = (time_t)intime->time; 486 if (!(intm = gmtime(&t))) 487 return; 488 strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm); 489 fputs(out, fp); 490 } 491 492 void 493 writeheader(FILE *fp, const char *title) 494 { 495 fputs("<!DOCTYPE html>\n" 496 "<html>\n<head>\n" 497 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 498 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" 499 "<title>", fp); 500 xmlencode(fp, title, strlen(title)); 501 if (title[0] && strippedname[0]) 502 fputs(" - ", fp); 503 xmlencode(fp, strippedname, strlen(strippedname)); 504 if (description[0]) 505 fputs(" - ", fp); 506 xmlencode(fp, description, strlen(description)); 507 fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", relpath); 508 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 509 xmlencode(fp, name, strlen(name)); 510 fprintf(fp, " Atom Feed\" href=\"%satom.xml\" />\n", relpath); 511 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 512 xmlencode(fp, name, strlen(name)); 513 fprintf(fp, " Atom Feed (tags)\" href=\"%stags.xml\" />\n", relpath); 514 fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", relpath); 515 fputs("</head>\n<body>\n<table style=\"width:100%\"><tr><td>", fp); 516 fprintf(fp, "<a href=\"../%s\"><img src=\"%slogo.png\" alt=\"\" width=\"32\" height=\"32\" /></a>", 517 relpath, relpath); 518 fputs("</td><td style=\"width:99%\"><h1>", fp); 519 xmlencode(fp, strippedname, strlen(strippedname)); 520 fputs("</h1><span class=\"desc\">", fp); 521 xmlencode(fp, description, strlen(description)); 522 fputs("</span></td></tr>", fp); 523 if (cloneurl[0]) { 524 fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp); 525 xmlencode(fp, cloneurl, strlen(cloneurl)); /* not percent-encoded */ 526 fputs("\">", fp); 527 xmlencode(fp, cloneurl, strlen(cloneurl)); 528 fputs("</a>", fp); 529 if (altcloneurl[0]) { 530 fputs(" # fast<br />\ngit clone <a href=\"", fp); 531 xmlencode(fp, altcloneurl, strlen(altcloneurl)); 532 fputs("\">", fp); 533 xmlencode(fp, altcloneurl, strlen(altcloneurl)); 534 fputs("</a> # slow", fp); 535 } 536 fputs("</td></tr>", fp); 537 } 538 fputs("<tr><td></td><td>\n", fp); 539 fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", relpath); 540 fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath); 541 fprintf(fp, "<a href=\"%srefs.html\">Refs</a>", relpath); 542 if (submodules) 543 fprintf(fp, " | <a href=\"%sfile/%s.html\">Submodules</a>", 544 relpath, submodules); 545 if (readme) 546 fprintf(fp, " | <a href=\"%sfile/%s.html\">README</a>", 547 relpath, readme); 548 if (license) 549 fprintf(fp, " | <a href=\"%sfile/%s.html\">LICENSE</a>", 550 relpath, license); 551 fputs("</td>\n", fp); 552 fprintf(fp, "<td style=\"text-align:right;white-space:nowrap\">%s</td>", index_link); 553 fputs("</tr></table>\n<hr/>\n<div id=\"content\">\n", fp); 554 } 555 556 void 557 writefooter(FILE *fp) 558 { 559 fputs("</div>\n</body>\n</html>\n", fp); 560 } 561 562 size_t 563 writeblobhtml(FILE *fp, const git_blob *blob) 564 { 565 size_t n = 0, i, len, prev; 566 const char *nfmt = "<a href=\"#l%zu\" class=\"line\" id=\"l%zu\">%7zu</a> "; 567 const char *s = git_blob_rawcontent(blob); 568 569 len = git_blob_rawsize(blob); 570 fputs("<pre id=\"blob\">\n", fp); 571 572 if (len > 0) { 573 for (i = 0, prev = 0; i < len; i++) { 574 if (s[i] != '\n') 575 continue; 576 n++; 577 fprintf(fp, nfmt, n, n, n); 578 xmlencodeline(fp, &s[prev], i - prev + 1); 579 putc('\n', fp); 580 prev = i + 1; 581 } 582 /* trailing data */ 583 if ((len - prev) > 0) { 584 n++; 585 fprintf(fp, nfmt, n, n, n); 586 xmlencodeline(fp, &s[prev], len - prev); 587 } 588 } 589 590 fputs("</pre>\n", fp); 591 592 return n; 593 } 594 595 void 596 printcommit(FILE *fp, struct commitinfo *ci) 597 { 598 fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n", 599 relpath, ci->oid, ci->oid); 600 601 if (ci->parentoid[0]) 602 fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n", 603 relpath, ci->parentoid, ci->parentoid); 604 605 if (ci->author) { 606 fputs("<b>Author:</b> ", fp); 607 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 608 fputs(" <<a href=\"mailto:", fp); 609 xmlencode(fp, ci->author->email, strlen(ci->author->email)); /* not percent-encoded */ 610 fputs("\">", fp); 611 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 612 fputs("</a>>\n<b>Date:</b> ", fp); 613 printtime(fp, &(ci->author->when)); 614 putc('\n', fp); 615 } 616 if (ci->msg) { 617 putc('\n', fp); 618 xmlencode(fp, ci->msg, strlen(ci->msg)); 619 putc('\n', fp); 620 } 621 } 622 623 void 624 printshowfile(FILE *fp, struct commitinfo *ci) 625 { 626 const git_diff_delta *delta; 627 const git_diff_hunk *hunk; 628 const git_diff_line *line; 629 git_patch *patch; 630 size_t nhunks, nhunklines, changed, add, del, total, i, j, k; 631 char linestr[80]; 632 int c; 633 634 printcommit(fp, ci); 635 636 if (!ci->deltas) 637 return; 638 639 if (ci->filecount > 1000 || 640 ci->ndeltas > 1000 || 641 ci->addcount > 100000 || 642 ci->delcount > 100000) { 643 fputs("Diff is too large, output suppressed.\n", fp); 644 return; 645 } 646 647 /* diff stat */ 648 fputs("<b>Diffstat:</b>\n<table>", fp); 649 for (i = 0; i < ci->ndeltas; i++) { 650 delta = git_patch_get_delta(ci->deltas[i]->patch); 651 652 switch (delta->status) { 653 case GIT_DELTA_ADDED: c = 'A'; break; 654 case GIT_DELTA_COPIED: c = 'C'; break; 655 case GIT_DELTA_DELETED: c = 'D'; break; 656 case GIT_DELTA_MODIFIED: c = 'M'; break; 657 case GIT_DELTA_RENAMED: c = 'R'; break; 658 case GIT_DELTA_TYPECHANGE: c = 'T'; break; 659 default: c = ' '; break; 660 } 661 if (c == ' ') 662 fprintf(fp, "<tr><td>%c", c); 663 else 664 fprintf(fp, "<tr><td class=\"%c\">%c", c, c); 665 666 fprintf(fp, "</td><td><a href=\"#h%zu\">", i); 667 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 668 if (strcmp(delta->old_file.path, delta->new_file.path)) { 669 fputs(" -> ", fp); 670 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 671 } 672 673 add = ci->deltas[i]->addcount; 674 del = ci->deltas[i]->delcount; 675 changed = add + del; 676 total = sizeof(linestr) - 2; 677 if (changed > total) { 678 if (add) 679 add = ((float)total / changed * add) + 1; 680 if (del) 681 del = ((float)total / changed * del) + 1; 682 } 683 memset(&linestr, '+', add); 684 memset(&linestr[add], '-', del); 685 686 fprintf(fp, "</a></td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">", 687 ci->deltas[i]->addcount + ci->deltas[i]->delcount); 688 fwrite(&linestr, 1, add, fp); 689 fputs("</span><span class=\"d\">", fp); 690 fwrite(&linestr[add], 1, del, fp); 691 fputs("</span></td></tr>\n", fp); 692 } 693 fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n", 694 ci->filecount, ci->filecount == 1 ? "" : "s", 695 ci->addcount, ci->addcount == 1 ? "" : "s", 696 ci->delcount, ci->delcount == 1 ? "" : "s"); 697 698 fputs("<hr/>", fp); 699 700 for (i = 0; i < ci->ndeltas; i++) { 701 patch = ci->deltas[i]->patch; 702 delta = git_patch_get_delta(patch); 703 fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/", i, relpath); 704 percentencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 705 fputs(".html\">", fp); 706 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 707 fprintf(fp, "</a> b/<a href=\"%sfile/", relpath); 708 percentencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 709 fprintf(fp, ".html\">"); 710 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 711 fprintf(fp, "</a></b>\n"); 712 713 /* check binary data */ 714 if (delta->flags & GIT_DIFF_FLAG_BINARY) { 715 fputs("Binary files differ.\n", fp); 716 continue; 717 } 718 719 nhunks = git_patch_num_hunks(patch); 720 for (j = 0; j < nhunks; j++) { 721 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 722 break; 723 724 fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"h\">", i, j, i, j); 725 xmlencode(fp, hunk->header, hunk->header_len); 726 fputs("</a>", fp); 727 728 for (k = 0; ; k++) { 729 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 730 break; 731 if (line->old_lineno == -1) 732 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"i\">+", 733 i, j, k, i, j, k); 734 else if (line->new_lineno == -1) 735 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"d\">-", 736 i, j, k, i, j, k); 737 else 738 putc(' ', fp); 739 xmlencodeline(fp, line->content, line->content_len); 740 putc('\n', fp); 741 if (line->old_lineno == -1 || line->new_lineno == -1) 742 fputs("</a>", fp); 743 } 744 } 745 } 746 } 747 748 void 749 writelogline(FILE *fp, struct commitinfo *ci) 750 { 751 fputs("<tr><td>", fp); 752 if (ci->author) 753 printtimeshort(fp, &(ci->author->when)); 754 fputs("</td><td>", fp); 755 if (ci->summary) { 756 fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid); 757 xmlencode(fp, ci->summary, strlen(ci->summary)); 758 fputs("</a>", fp); 759 } 760 fputs("</td><td>", fp); 761 if (ci->author) 762 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 763 fputs("</td><td class=\"num\" align=\"right\">", fp); 764 fprintf(fp, "%zu", ci->filecount); 765 fputs("</td><td class=\"num\" align=\"right\">", fp); 766 fprintf(fp, "+%zu", ci->addcount); 767 fputs("</td><td class=\"num\" align=\"right\">", fp); 768 fprintf(fp, "-%zu", ci->delcount); 769 fputs("</td></tr>\n", fp); 770 } 771 772 int 773 writelog(FILE *fp, const git_oid *oid) 774 { 775 struct commitinfo *ci; 776 git_revwalk *w = NULL; 777 git_oid id; 778 char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1]; 779 FILE *fpfile; 780 size_t remcommits = 0; 781 int r; 782 783 git_revwalk_new(&w, repo); 784 git_revwalk_push(w, oid); 785 786 while (!git_revwalk_next(&id, w)) { 787 relpath = ""; 788 789 if (cachefile && !memcmp(&id, &lastoid, sizeof(id))) 790 break; 791 792 git_oid_tostr(oidstr, sizeof(oidstr), &id); 793 r = snprintf(path, sizeof(path), "commit/%s.html", oidstr); 794 if (r < 0 || (size_t)r >= sizeof(path)) 795 errx(1, "path truncated: 'commit/%s.html'", oidstr); 796 r = access(path, F_OK); 797 798 /* optimization: if there are no log lines to write and 799 the commit file already exists: skip the diffstat */ 800 if (!nlogcommits) { 801 remcommits++; 802 if (!r) 803 continue; 804 } 805 806 if (!(ci = commitinfo_getbyoid(&id))) 807 break; 808 /* diffstat: for stagit HTML required for the log.html line */ 809 if (commitinfo_getstats(ci) == -1) 810 goto err; 811 812 if (nlogcommits != 0) { 813 writelogline(fp, ci); 814 if (nlogcommits > 0) 815 nlogcommits--; 816 } 817 818 if (cachefile) 819 writelogline(wcachefp, ci); 820 821 /* check if file exists if so skip it */ 822 if (r) { 823 relpath = "../"; 824 fpfile = efopen(path, "w"); 825 writeheader(fpfile, ci->summary); 826 fputs("<pre>", fpfile); 827 printshowfile(fpfile, ci); 828 fputs("</pre>\n", fpfile); 829 writefooter(fpfile); 830 fclose(fpfile); 831 } 832 err: 833 commitinfo_free(ci); 834 } 835 git_revwalk_free(w); 836 837 if (nlogcommits == 0 && remcommits != 0) { 838 fprintf(fp, "<tr><td></td><td colspan=\"5\">" 839 "%zu more commits remaining, fetch the repository" 840 "</td></tr>\n", remcommits); 841 } 842 843 relpath = ""; 844 845 return 0; 846 } 847 848 void 849 printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag) 850 { 851 fputs("<entry>\n", fp); 852 853 fprintf(fp, "<id>%s</id>\n", ci->oid); 854 if (ci->author) { 855 fputs("<published>", fp); 856 printtimez(fp, &(ci->author->when)); 857 fputs("</published>\n", fp); 858 } 859 if (ci->committer) { 860 fputs("<updated>", fp); 861 printtimez(fp, &(ci->committer->when)); 862 fputs("</updated>\n", fp); 863 } 864 if (ci->summary) { 865 fputs("<title type=\"text\">", fp); 866 if (tag && tag[0]) { 867 fputs("[", fp); 868 xmlencode(fp, tag, strlen(tag)); 869 fputs("] ", fp); 870 } 871 xmlencode(fp, ci->summary, strlen(ci->summary)); 872 fputs("</title>\n", fp); 873 } 874 fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n", 875 baseurl, ci->oid); 876 877 if (ci->author) { 878 fputs("<author>\n<name>", fp); 879 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 880 fputs("</name>\n<email>", fp); 881 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 882 fputs("</email>\n</author>\n", fp); 883 } 884 885 fputs("<content type=\"text\">", fp); 886 fprintf(fp, "commit %s\n", ci->oid); 887 if (ci->parentoid[0]) 888 fprintf(fp, "parent %s\n", ci->parentoid); 889 if (ci->author) { 890 fputs("Author: ", fp); 891 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 892 fputs(" <", fp); 893 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 894 fputs(">\nDate: ", fp); 895 printtime(fp, &(ci->author->when)); 896 putc('\n', fp); 897 } 898 if (ci->msg) { 899 putc('\n', fp); 900 xmlencode(fp, ci->msg, strlen(ci->msg)); 901 } 902 fputs("\n</content>\n</entry>\n", fp); 903 } 904 905 int 906 writeatom(FILE *fp, int all) 907 { 908 struct referenceinfo *ris = NULL; 909 size_t refcount = 0; 910 struct commitinfo *ci; 911 git_revwalk *w = NULL; 912 git_oid id; 913 size_t i, m = 100; /* last 'm' commits */ 914 915 fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" 916 "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp); 917 xmlencode(fp, strippedname, strlen(strippedname)); 918 fputs(", branch HEAD</title>\n<subtitle>", fp); 919 xmlencode(fp, description, strlen(description)); 920 fputs("</subtitle>\n", fp); 921 922 /* all commits or only tags? */ 923 if (all) { 924 git_revwalk_new(&w, repo); 925 git_revwalk_push_head(w); 926 for (i = 0; i < m && !git_revwalk_next(&id, w); i++) { 927 if (!(ci = commitinfo_getbyoid(&id))) 928 break; 929 printcommitatom(fp, ci, ""); 930 commitinfo_free(ci); 931 } 932 git_revwalk_free(w); 933 } else if (getrefs(&ris, &refcount) != -1) { 934 /* references: tags */ 935 for (i = 0; i < refcount; i++) { 936 if (git_reference_is_tag(ris[i].ref)) 937 printcommitatom(fp, ris[i].ci, 938 git_reference_shorthand(ris[i].ref)); 939 940 commitinfo_free(ris[i].ci); 941 git_reference_free(ris[i].ref); 942 } 943 free(ris); 944 } 945 946 fputs("</feed>\n", fp); 947 948 return 0; 949 } 950 951 size_t 952 writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize) 953 { 954 char tmp[PATH_MAX] = "", *d; 955 const char *p; 956 size_t lc = 0; 957 FILE *fp; 958 959 if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp)) 960 errx(1, "path truncated: '%s'", fpath); 961 if (!(d = dirname(tmp))) 962 err(1, "dirname"); 963 if (mkdirp(d)) 964 return -1; 965 966 for (p = fpath, tmp[0] = '\0'; *p; p++) { 967 if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp)) 968 errx(1, "path truncated: '../%s'", tmp); 969 } 970 relpath = tmp; 971 972 fp = efopen(fpath, "w"); 973 writeheader(fp, filename); 974 fputs("<p> ", fp); 975 xmlencode(fp, filename, strlen(filename)); 976 fprintf(fp, " (%zuB)", filesize); 977 fputs("</p><hr/>", fp); 978 979 if (git_blob_is_binary((git_blob *)obj)) { 980 fputs("<p>Binary file.</p>\n", fp); 981 } else { 982 lc = writeblobhtml(fp, (git_blob *)obj); 983 if (ferror(fp)) 984 err(1, "fwrite"); 985 } 986 writefooter(fp); 987 fclose(fp); 988 989 relpath = ""; 990 991 return lc; 992 } 993 994 const char * 995 filemode(git_filemode_t m) 996 { 997 static char mode[11]; 998 999 memset(mode, '-', sizeof(mode) - 1); 1000 mode[10] = '\0'; 1001 1002 if (S_ISREG(m)) 1003 mode[0] = '-'; 1004 else if (S_ISBLK(m)) 1005 mode[0] = 'b'; 1006 else if (S_ISCHR(m)) 1007 mode[0] = 'c'; 1008 else if (S_ISDIR(m)) 1009 mode[0] = 'd'; 1010 else if (S_ISFIFO(m)) 1011 mode[0] = 'p'; 1012 else if (S_ISLNK(m)) 1013 mode[0] = 'l'; 1014 else if (S_ISSOCK(m)) 1015 mode[0] = 's'; 1016 else 1017 mode[0] = '?'; 1018 1019 if (m & S_IRUSR) mode[1] = 'r'; 1020 if (m & S_IWUSR) mode[2] = 'w'; 1021 if (m & S_IXUSR) mode[3] = 'x'; 1022 if (m & S_IRGRP) mode[4] = 'r'; 1023 if (m & S_IWGRP) mode[5] = 'w'; 1024 if (m & S_IXGRP) mode[6] = 'x'; 1025 if (m & S_IROTH) mode[7] = 'r'; 1026 if (m & S_IWOTH) mode[8] = 'w'; 1027 if (m & S_IXOTH) mode[9] = 'x'; 1028 1029 if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S'; 1030 if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S'; 1031 if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T'; 1032 1033 return mode; 1034 } 1035 1036 int 1037 writefilestree(FILE *fp, git_tree *tree, const char *path) 1038 { 1039 const git_tree_entry *entry = NULL; 1040 git_object *obj = NULL; 1041 const char *entryname; 1042 char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8]; 1043 size_t count, i, lc, filesize; 1044 int r, ret; 1045 1046 count = git_tree_entrycount(tree); 1047 for (i = 0; i < count; i++) { 1048 if (!(entry = git_tree_entry_byindex(tree, i)) || 1049 !(entryname = git_tree_entry_name(entry))) 1050 return -1; 1051 joinpath(entrypath, sizeof(entrypath), path, entryname); 1052 1053 r = snprintf(filepath, sizeof(filepath), "file/%s.html", 1054 entrypath); 1055 if (r < 0 || (size_t)r >= sizeof(filepath)) 1056 errx(1, "path truncated: 'file/%s.html'", entrypath); 1057 1058 if (!git_tree_entry_to_object(&obj, repo, entry)) { 1059 switch (git_object_type(obj)) { 1060 case GIT_OBJ_BLOB: 1061 break; 1062 case GIT_OBJ_TREE: 1063 /* NOTE: recurses */ 1064 ret = writefilestree(fp, (git_tree *)obj, 1065 entrypath); 1066 git_object_free(obj); 1067 if (ret) 1068 return ret; 1069 continue; 1070 default: 1071 git_object_free(obj); 1072 continue; 1073 } 1074 1075 filesize = git_blob_rawsize((git_blob *)obj); 1076 lc = writeblob(obj, filepath, entryname, filesize); 1077 1078 fputs("<tr><td>", fp); 1079 fputs(filemode(git_tree_entry_filemode(entry)), fp); 1080 fprintf(fp, "</td><td><a href=\"%s", relpath); 1081 percentencode(fp, filepath, strlen(filepath)); 1082 fputs("\">", fp); 1083 xmlencode(fp, entrypath, strlen(entrypath)); 1084 fputs("</a></td><td class=\"num\" align=\"right\">", fp); 1085 if (lc > 0) 1086 fprintf(fp, "%zuL", lc); 1087 else 1088 fprintf(fp, "%zuB", filesize); 1089 fputs("</td></tr>\n", fp); 1090 git_object_free(obj); 1091 } else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) { 1092 /* commit object in tree is a submodule */ 1093 fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">", 1094 relpath); 1095 xmlencode(fp, entrypath, strlen(entrypath)); 1096 fputs("</a> @ ", fp); 1097 git_oid_tostr(oid, sizeof(oid), git_tree_entry_id(entry)); 1098 xmlencode(fp, oid, strlen(oid)); 1099 fputs("</td><td class=\"num\" align=\"right\"></td></tr>\n", fp); 1100 } 1101 } 1102 1103 return 0; 1104 } 1105 1106 int 1107 writefiles(FILE *fp, const git_oid *id) 1108 { 1109 git_tree *tree = NULL; 1110 git_commit *commit = NULL; 1111 int ret = -1; 1112 1113 fputs("<table id=\"files\"><thead>\n<tr>" 1114 "<td><b>Mode</b></td><td><b>Name</b></td>" 1115 "<td class=\"num\" align=\"right\"><b>Size</b></td>" 1116 "</tr>\n</thead><tbody>\n", fp); 1117 1118 if (!git_commit_lookup(&commit, repo, id) && 1119 !git_commit_tree(&tree, commit)) 1120 ret = writefilestree(fp, tree, ""); 1121 1122 fputs("</tbody></table>", fp); 1123 1124 git_commit_free(commit); 1125 git_tree_free(tree); 1126 1127 return ret; 1128 } 1129 1130 int 1131 writerefs(FILE *fp) 1132 { 1133 struct referenceinfo *ris = NULL; 1134 struct commitinfo *ci; 1135 size_t count, i, j, refcount; 1136 const char *titles[] = { "Branches", "Tags" }; 1137 const char *ids[] = { "branches", "tags" }; 1138 const char *s; 1139 1140 if (getrefs(&ris, &refcount) == -1) 1141 return -1; 1142 1143 for (i = 0, j = 0, count = 0; i < refcount; i++) { 1144 if (j == 0 && git_reference_is_tag(ris[i].ref)) { 1145 if (count) 1146 fputs("</tbody></table><br/>\n", fp); 1147 count = 0; 1148 j = 1; 1149 } 1150 1151 /* print header if it has an entry (first). */ 1152 if (++count == 1) { 1153 fprintf(fp, "<h2>%s</h2><table id=\"%s\">" 1154 "<thead>\n<tr><td><b>Name</b></td>" 1155 "<td><b>Last commit date (UTC)</b></td>" 1156 "<td><b>Author</b></td>\n</tr>\n" 1157 "</thead><tbody>\n", 1158 titles[j], ids[j]); 1159 } 1160 1161 ci = ris[i].ci; 1162 s = git_reference_shorthand(ris[i].ref); 1163 1164 fputs("<tr><td>", fp); 1165 if (strncmp(s, "master", strlen(s)) == 0 || 1166 strncmp(ids[j], "tags", strlen(ids[j])) == 0) 1167 fprintf(fp, "<a href=\"%s/%s/%s-%s.tar.gz\">", 1168 releasedir, strippedname, strippedname, s); 1169 xmlencode(fp, s, strlen(s)); 1170 if (strncmp(s, "master", strlen(s)) == 0 || 1171 strncmp(ids[j], "tags", strlen(ids[j])) == 0) 1172 fputs("</a>", fp); 1173 fputs("</td><td>", fp); 1174 if (ci->author) 1175 printtimeshort(fp, &(ci->author->when)); 1176 fputs("</td><td>", fp); 1177 if (ci->author) 1178 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1179 fputs("</td></tr>\n", fp); 1180 } 1181 /* table footer */ 1182 if (count) 1183 fputs("</tbody></table><br/>\n", fp); 1184 1185 for (i = 0; i < refcount; i++) { 1186 commitinfo_free(ris[i].ci); 1187 git_reference_free(ris[i].ref); 1188 } 1189 free(ris); 1190 1191 return 0; 1192 } 1193 1194 void 1195 usage(char *argv0) 1196 { 1197 fprintf(stderr, "%s [-c cachefile | -l commits] " 1198 "[-u baseurl] repodir\n", argv0); 1199 exit(1); 1200 } 1201 1202 int 1203 main(int argc, char *argv[]) 1204 { 1205 git_object *obj = NULL; 1206 const git_oid *head = NULL; 1207 mode_t mask; 1208 FILE *fp, *fpread; 1209 char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p; 1210 char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ]; 1211 size_t n; 1212 int i, fd; 1213 1214 for (i = 1; i < argc; i++) { 1215 if (argv[i][0] != '-') { 1216 if (repodir) 1217 usage(argv[0]); 1218 repodir = argv[i]; 1219 } else if (argv[i][1] == 'c') { 1220 if (nlogcommits > 0 || i + 1 >= argc) 1221 usage(argv[0]); 1222 cachefile = argv[++i]; 1223 } else if (argv[i][1] == 'l') { 1224 if (cachefile || i + 1 >= argc) 1225 usage(argv[0]); 1226 errno = 0; 1227 nlogcommits = strtoll(argv[++i], &p, 10); 1228 if (argv[i][0] == '\0' || *p != '\0' || 1229 nlogcommits <= 0 || errno) 1230 usage(argv[0]); 1231 } else if (argv[i][1] == 'u') { 1232 if (i + 1 >= argc) 1233 usage(argv[0]); 1234 baseurl = argv[++i]; 1235 } 1236 } 1237 if (!repodir) 1238 usage(argv[0]); 1239 1240 if (!realpath(repodir, repodirabs)) 1241 err(1, "realpath"); 1242 1243 git_libgit2_init(); 1244 1245 #ifdef __OpenBSD__ 1246 if (unveil(repodir, "r") == -1) 1247 err(1, "unveil: %s", repodir); 1248 if (unveil(".", "rwc") == -1) 1249 err(1, "unveil: ."); 1250 if (cachefile && unveil(cachefile, "rwc") == -1) 1251 err(1, "unveil: %s", cachefile); 1252 1253 if (cachefile) { 1254 if (pledge("stdio rpath wpath cpath fattr", NULL) == -1) 1255 err(1, "pledge"); 1256 } else { 1257 if (pledge("stdio rpath wpath cpath", NULL) == -1) 1258 err(1, "pledge"); 1259 } 1260 #endif 1261 1262 if (git_repository_open_ext(&repo, repodir, 1263 GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) { 1264 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 1265 return 1; 1266 } 1267 1268 /* find HEAD */ 1269 if (!git_revparse_single(&obj, repo, "HEAD")) 1270 head = git_object_id(obj); 1271 git_object_free(obj); 1272 1273 /* use directory name as name */ 1274 if ((name = strrchr(repodirabs, '/'))) 1275 name++; 1276 else 1277 name = ""; 1278 1279 /* strip .git suffix */ 1280 if (!(strippedname = strdup(name))) 1281 err(1, "strdup"); 1282 if ((p = strrchr(strippedname, '.'))) 1283 if (!strcmp(p, ".git")) 1284 *p = '\0'; 1285 1286 /* read description or .git/description */ 1287 joinpath(path, sizeof(path), repodir, "description"); 1288 if (!(fpread = fopen(path, "r"))) { 1289 joinpath(path, sizeof(path), repodir, ".git/description"); 1290 fpread = fopen(path, "r"); 1291 } 1292 if (fpread) { 1293 if (!fgets(description, sizeof(description), fpread)) 1294 description[0] = '\0'; 1295 fclose(fpread); 1296 } 1297 1298 /* read url or .git/url */ 1299 joinpath(path, sizeof(path), repodir, "url"); 1300 if (!(fpread = fopen(path, "r"))) { 1301 joinpath(path, sizeof(path), repodir, ".git/url"); 1302 fpread = fopen(path, "r"); 1303 } 1304 if (fpread) { 1305 if (!fgets(cloneurl, sizeof(cloneurl), fpread)) 1306 cloneurl[0] = '\0'; 1307 cloneurl[strcspn(cloneurl, "\n")] = '\0'; 1308 fclose(fpread); 1309 } 1310 1311 /* read alturl or .git/alturl */ 1312 joinpath(path, sizeof(path), repodir, "alturl"); 1313 if (!(fpread = fopen(path, "r"))) { 1314 joinpath(path, sizeof(path), repodir, ".git/alturl"); 1315 fpread = fopen(path, "r"); 1316 } 1317 if (fpread) { 1318 if (!fgets(altcloneurl, sizeof(altcloneurl), fpread)) 1319 altcloneurl[0] = '\0'; 1320 altcloneurl[strcspn(altcloneurl, "\n")] = '\0'; 1321 fclose(fpread); 1322 } 1323 1324 /* check LICENSE */ 1325 for (i = 0; i < LEN(licensefiles) && !license; i++) { 1326 if (!git_revparse_single(&obj, repo, licensefiles[i]) && 1327 git_object_type(obj) == GIT_OBJ_BLOB) 1328 license = licensefiles[i] + strlen("HEAD:"); 1329 git_object_free(obj); 1330 } 1331 1332 /* check README */ 1333 for (i = 0; i < LEN(readmefiles) && !readme; i++) { 1334 if (!git_revparse_single(&obj, repo, readmefiles[i]) && 1335 git_object_type(obj) == GIT_OBJ_BLOB) 1336 readme = readmefiles[i] + strlen("HEAD:"); 1337 git_object_free(obj); 1338 } 1339 1340 if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") && 1341 git_object_type(obj) == GIT_OBJ_BLOB) 1342 submodules = ".gitmodules"; 1343 git_object_free(obj); 1344 1345 /* log for HEAD */ 1346 fp = efopen("log.html", "w"); 1347 relpath = ""; 1348 mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO); 1349 writeheader(fp, "Log"); 1350 fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>" 1351 "<td><b>Commit message</b></td>" 1352 "<td><b>Author</b></td><td class=\"num\" align=\"right\"><b>Files</b></td>" 1353 "<td class=\"num\" align=\"right\"><b>+</b></td>" 1354 "<td class=\"num\" align=\"right\"><b>-</b></td></tr>\n</thead><tbody>\n", fp); 1355 1356 if (cachefile && head) { 1357 /* read from cache file (does not need to exist) */ 1358 if ((rcachefp = fopen(cachefile, "r"))) { 1359 if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp)) 1360 errx(1, "%s: no object id", cachefile); 1361 if (git_oid_fromstr(&lastoid, lastoidstr)) 1362 errx(1, "%s: invalid object id", cachefile); 1363 } 1364 1365 /* write log to (temporary) cache */ 1366 if ((fd = mkstemp(tmppath)) == -1) 1367 err(1, "mkstemp"); 1368 if (!(wcachefp = fdopen(fd, "w"))) 1369 err(1, "fdopen: '%s'", tmppath); 1370 /* write last commit id (HEAD) */ 1371 git_oid_tostr(buf, sizeof(buf), head); 1372 fprintf(wcachefp, "%s\n", buf); 1373 1374 writelog(fp, head); 1375 1376 if (rcachefp) { 1377 /* append previous log to log.html and the new cache */ 1378 while (!feof(rcachefp)) { 1379 n = fread(buf, 1, sizeof(buf), rcachefp); 1380 if (ferror(rcachefp)) 1381 err(1, "fread"); 1382 if (fwrite(buf, 1, n, fp) != n || 1383 fwrite(buf, 1, n, wcachefp) != n) 1384 err(1, "fwrite"); 1385 } 1386 fclose(rcachefp); 1387 } 1388 fclose(wcachefp); 1389 } else { 1390 if (head) 1391 writelog(fp, head); 1392 } 1393 1394 fputs("</tbody></table>", fp); 1395 writefooter(fp); 1396 fclose(fp); 1397 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 fclose(fp); 1405 1406 /* summary page with branches and tags */ 1407 fp = efopen("refs.html", "w"); 1408 writeheader(fp, "Refs"); 1409 writerefs(fp); 1410 writefooter(fp); 1411 fclose(fp); 1412 1413 /* Atom feed */ 1414 fp = efopen("atom.xml", "w"); 1415 writeatom(fp, 1); 1416 fclose(fp); 1417 1418 /* Atom feed for tags / releases */ 1419 fp = efopen("tags.xml", "w"); 1420 writeatom(fp, 0); 1421 fclose(fp); 1422 1423 /* rename new cache file on success */ 1424 if (cachefile && head) { 1425 if (rename(tmppath, cachefile)) 1426 err(1, "rename: '%s' to '%s'", tmppath, cachefile); 1427 umask((mask = umask(0))); 1428 if (chmod(cachefile, 1429 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask)) 1430 err(1, "chmod: '%s'", cachefile); 1431 } 1432 1433 /* cleanup */ 1434 git_repository_free(repo); 1435 git_libgit2_shutdown(); 1436 1437 return 0; 1438 }