stagit.c (36474B)
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 *repodir; 63 64 static char *name = ""; 65 static char *strippedname = ""; 66 static char description[255]; 67 static char cloneurl[1024]; 68 static char *submodules; 69 static char *licensefiles[] = { "HEAD:LICENSE", "HEAD:LICENSE.md", "HEAD:COPYING" }; 70 static char *license; 71 static char *readmefiles[] = { "HEAD:README", "HEAD:README.md" }; 72 static char *readme; 73 static long long nlogcommits = -1; /* -1 indicates not used */ 74 75 /* cache */ 76 static git_oid lastoid; 77 static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + NUL byte */ 78 static FILE *rcachefp, *wcachefp; 79 static const char *cachefile; 80 81 /* Handle read or write errors for a FILE * stream */ 82 void 83 checkfileerror(FILE *fp, const char *name, int mode) 84 { 85 if (mode == 'r' && ferror(fp)) 86 errx(1, "read error: %s", name); 87 else if (mode == 'w' && (fflush(fp) || ferror(fp))) 88 errx(1, "write error: %s", name); 89 } 90 91 void 92 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 93 { 94 int r; 95 96 r = snprintf(buf, bufsiz, "%s%s%s", 97 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 98 if (r < 0 || (size_t)r >= bufsiz) 99 errx(1, "path truncated: '%s%s%s'", 100 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 101 } 102 103 void 104 deltainfo_free(struct deltainfo *di) 105 { 106 if (!di) 107 return; 108 git_patch_free(di->patch); 109 memset(di, 0, sizeof(*di)); 110 free(di); 111 } 112 113 int 114 commitinfo_getstats(struct commitinfo *ci) 115 { 116 struct deltainfo *di; 117 git_diff_options opts; 118 git_diff_find_options fopts; 119 const git_diff_delta *delta; 120 const git_diff_hunk *hunk; 121 const git_diff_line *line; 122 git_patch *patch = NULL; 123 size_t ndeltas, nhunks, nhunklines; 124 size_t i, j, k; 125 126 if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) 127 goto err; 128 if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { 129 if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { 130 ci->parent = NULL; 131 ci->parent_tree = NULL; 132 } 133 } 134 135 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); 136 opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH | 137 GIT_DIFF_IGNORE_SUBMODULES | 138 GIT_DIFF_INCLUDE_TYPECHANGE; 139 if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) 140 goto err; 141 142 if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION)) 143 goto err; 144 /* find renames and copies, exact matches (no heuristic) for renames. */ 145 fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES | 146 GIT_DIFF_FIND_EXACT_MATCH_ONLY; 147 if (git_diff_find_similar(ci->diff, &fopts)) 148 goto err; 149 150 ndeltas = git_diff_num_deltas(ci->diff); 151 if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *)))) 152 err(1, "calloc"); 153 154 for (i = 0; i < ndeltas; i++) { 155 if (git_patch_from_diff(&patch, ci->diff, i)) 156 goto err; 157 158 if (!(di = calloc(1, sizeof(struct deltainfo)))) 159 err(1, "calloc"); 160 di->patch = patch; 161 ci->deltas[i] = di; 162 163 delta = git_patch_get_delta(patch); 164 165 /* skip stats for binary data */ 166 if (delta->flags & GIT_DIFF_FLAG_BINARY) 167 continue; 168 169 nhunks = git_patch_num_hunks(patch); 170 for (j = 0; j < nhunks; j++) { 171 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 172 break; 173 for (k = 0; ; k++) { 174 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 175 break; 176 if (line->old_lineno == -1) { 177 di->addcount++; 178 ci->addcount++; 179 } else if (line->new_lineno == -1) { 180 di->delcount++; 181 ci->delcount++; 182 } 183 } 184 } 185 } 186 ci->ndeltas = i; 187 ci->filecount = i; 188 189 return 0; 190 191 err: 192 git_diff_free(ci->diff); 193 ci->diff = NULL; 194 git_tree_free(ci->commit_tree); 195 ci->commit_tree = NULL; 196 git_tree_free(ci->parent_tree); 197 ci->parent_tree = NULL; 198 git_commit_free(ci->parent); 199 ci->parent = NULL; 200 201 if (ci->deltas) 202 for (i = 0; i < ci->ndeltas; i++) 203 deltainfo_free(ci->deltas[i]); 204 free(ci->deltas); 205 ci->deltas = NULL; 206 ci->ndeltas = 0; 207 ci->addcount = 0; 208 ci->delcount = 0; 209 ci->filecount = 0; 210 211 return -1; 212 } 213 214 void 215 commitinfo_free(struct commitinfo *ci) 216 { 217 size_t i; 218 219 if (!ci) 220 return; 221 if (ci->deltas) 222 for (i = 0; i < ci->ndeltas; i++) 223 deltainfo_free(ci->deltas[i]); 224 225 free(ci->deltas); 226 git_diff_free(ci->diff); 227 git_tree_free(ci->commit_tree); 228 git_tree_free(ci->parent_tree); 229 git_commit_free(ci->commit); 230 git_commit_free(ci->parent); 231 memset(ci, 0, sizeof(*ci)); 232 free(ci); 233 } 234 235 struct commitinfo * 236 commitinfo_getbyoid(const git_oid *id) 237 { 238 struct commitinfo *ci; 239 240 if (!(ci = calloc(1, sizeof(struct commitinfo)))) 241 err(1, "calloc"); 242 243 if (git_commit_lookup(&(ci->commit), repo, id)) 244 goto err; 245 ci->id = id; 246 247 git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit)); 248 git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0)); 249 250 ci->author = git_commit_author(ci->commit); 251 ci->committer = git_commit_committer(ci->commit); 252 ci->summary = git_commit_summary(ci->commit); 253 ci->msg = git_commit_message(ci->commit); 254 255 return ci; 256 257 err: 258 commitinfo_free(ci); 259 260 return NULL; 261 } 262 263 int 264 refs_cmp(const void *v1, const void *v2) 265 { 266 const struct referenceinfo *r1 = v1, *r2 = v2; 267 time_t t1, t2; 268 int r; 269 270 if ((r = git_reference_is_tag(r1->ref) - git_reference_is_tag(r2->ref))) 271 return r; 272 273 t1 = r1->ci->author ? r1->ci->author->when.time : 0; 274 t2 = r2->ci->author ? r2->ci->author->when.time : 0; 275 if ((r = t1 > t2 ? -1 : (t1 == t2 ? 0 : 1))) 276 return r; 277 278 return strcmp(git_reference_shorthand(r1->ref), 279 git_reference_shorthand(r2->ref)); 280 } 281 282 int 283 getrefs(struct referenceinfo **pris, size_t *prefcount) 284 { 285 struct referenceinfo *ris = NULL; 286 struct commitinfo *ci = NULL; 287 git_reference_iterator *it = NULL; 288 const git_oid *id = NULL; 289 git_object *obj = NULL; 290 git_reference *dref = NULL, *r, *ref = NULL; 291 size_t i, refcount; 292 293 *pris = NULL; 294 *prefcount = 0; 295 296 if (git_reference_iterator_new(&it, repo)) 297 return -1; 298 299 for (refcount = 0; !git_reference_next(&ref, it); ) { 300 if (!git_reference_is_branch(ref) && !git_reference_is_tag(ref)) { 301 git_reference_free(ref); 302 ref = NULL; 303 continue; 304 } 305 306 switch (git_reference_type(ref)) { 307 case GIT_REF_SYMBOLIC: 308 if (git_reference_resolve(&dref, ref)) 309 goto err; 310 r = dref; 311 break; 312 case GIT_REF_OID: 313 r = ref; 314 break; 315 default: 316 continue; 317 } 318 if (!git_reference_target(r) || 319 git_reference_peel(&obj, r, GIT_OBJ_ANY)) 320 goto err; 321 if (!(id = git_object_id(obj))) 322 goto err; 323 if (!(ci = commitinfo_getbyoid(id))) 324 break; 325 326 if (!(ris = reallocarray(ris, refcount + 1, sizeof(*ris)))) 327 err(1, "realloc"); 328 ris[refcount].ci = ci; 329 ris[refcount].ref = r; 330 refcount++; 331 332 git_object_free(obj); 333 obj = NULL; 334 git_reference_free(dref); 335 dref = NULL; 336 } 337 git_reference_iterator_free(it); 338 339 /* sort by type, date then shorthand name */ 340 qsort(ris, refcount, sizeof(*ris), refs_cmp); 341 342 *pris = ris; 343 *prefcount = refcount; 344 345 return 0; 346 347 err: 348 git_object_free(obj); 349 git_reference_free(dref); 350 commitinfo_free(ci); 351 for (i = 0; i < refcount; i++) { 352 commitinfo_free(ris[i].ci); 353 git_reference_free(ris[i].ref); 354 } 355 free(ris); 356 357 return -1; 358 } 359 360 FILE * 361 efopen(const char *filename, const char *flags) 362 { 363 FILE *fp; 364 365 if (!(fp = fopen(filename, flags))) 366 err(1, "fopen: '%s'", filename); 367 368 return fp; 369 } 370 371 /* Percent-encode, see RFC3986 section 2.1. */ 372 void 373 percentencode(FILE *fp, const char *s, size_t len) 374 { 375 static char tab[] = "0123456789ABCDEF"; 376 unsigned char uc; 377 size_t i; 378 379 for (i = 0; *s && i < len; s++, i++) { 380 uc = *s; 381 /* NOTE: do not encode '/' for paths or ",-." */ 382 if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || 383 uc == '[' || uc == ']') { 384 putc('%', fp); 385 putc(tab[(uc >> 4) & 0x0f], fp); 386 putc(tab[uc & 0x0f], fp); 387 } else { 388 putc(uc, fp); 389 } 390 } 391 } 392 393 /* Escape characters below as HTML 2.0 / XML 1.0. */ 394 void 395 xmlencode(FILE *fp, const char *s, size_t len) 396 { 397 size_t i; 398 399 for (i = 0; *s && i < len; s++, i++) { 400 switch(*s) { 401 case '<': fputs("<", fp); break; 402 case '>': fputs(">", fp); break; 403 case '\'': fputs("'", fp); break; 404 case '&': fputs("&", fp); break; 405 case '"': fputs(""", fp); break; 406 default: putc(*s, fp); 407 } 408 } 409 } 410 411 /* Escape characters below as HTML 2.0 / XML 1.0, ignore printing '\r', '\n' */ 412 void 413 xmlencodeline(FILE *fp, const char *s, size_t len) 414 { 415 size_t i; 416 417 for (i = 0; *s && i < len; s++, i++) { 418 switch(*s) { 419 case '<': fputs("<", fp); break; 420 case '>': fputs(">", fp); break; 421 case '\'': fputs("'", fp); break; 422 case '&': fputs("&", fp); break; 423 case '"': fputs(""", fp); break; 424 case '\r': break; /* ignore CR */ 425 case '\n': break; /* ignore LF */ 426 default: putc(*s, fp); 427 } 428 } 429 } 430 431 int 432 mkdirp(const char *path) 433 { 434 char tmp[PATH_MAX], *p; 435 436 if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp)) 437 errx(1, "path truncated: '%s'", path); 438 for (p = tmp + (tmp[0] == '/'); *p; p++) { 439 if (*p != '/') 440 continue; 441 *p = '\0'; 442 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 443 return -1; 444 *p = '/'; 445 } 446 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 447 return -1; 448 return 0; 449 } 450 451 void 452 printtimez(FILE *fp, const git_time *intime) 453 { 454 struct tm *intm; 455 time_t t; 456 char out[32]; 457 458 t = (time_t)intime->time; 459 if (!(intm = gmtime(&t))) 460 return; 461 strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm); 462 fputs(out, fp); 463 } 464 465 void 466 printtime(FILE *fp, const git_time *intime) 467 { 468 struct tm *intm; 469 time_t t; 470 char out[32]; 471 472 t = (time_t)intime->time + (intime->offset * 60); 473 if (!(intm = gmtime(&t))) 474 return; 475 strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm); 476 if (intime->offset < 0) 477 fprintf(fp, "%s -%02d%02d", out, 478 -(intime->offset) / 60, -(intime->offset) % 60); 479 else 480 fprintf(fp, "%s +%02d%02d", out, 481 intime->offset / 60, intime->offset % 60); 482 } 483 484 void 485 printtimeshort(FILE *fp, const git_time *intime) 486 { 487 struct tm *intm; 488 time_t t; 489 char out[32]; 490 491 t = (time_t)intime->time; 492 if (!(intm = gmtime(&t))) 493 return; 494 strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm); 495 fputs(out, fp); 496 } 497 498 void 499 writeheader(FILE *fp, const char *title) 500 { 501 fputs("<!DOCTYPE html>\n" 502 "<html>\n<head>\n" 503 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 504 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" 505 "<title>", fp); 506 xmlencode(fp, title, strlen(title)); 507 if (title[0] && strippedname[0]) 508 fputs(" - ", fp); 509 xmlencode(fp, strippedname, strlen(strippedname)); 510 if (description[0]) 511 fputs(" - ", fp); 512 xmlencode(fp, description, strlen(description)); 513 fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%s../logo.png\" />\n", baseurl); 514 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 515 xmlencode(fp, name, strlen(name)); 516 fprintf(fp, " Atom Feed\" href=\"%satom.xml\" />\n", baseurl); 517 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 518 xmlencode(fp, name, strlen(name)); 519 fprintf(fp, " Atom Feed (tags)\" href=\"%stags.xml\" />\n", baseurl); 520 fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%s../style.css\" />\n", baseurl); 521 fputs("</head>\n<body>\n<table><tr><td>", fp); 522 fprintf(fp, "<a href=\"%s..\"><img src=\"%s../logo.png\" alt=\"\" width=\"32\" height=\"32\" /></a>", 523 baseurl, baseurl); 524 fprintf(fp, "</td><td><h1><a href=\"%s\">", baseurl); 525 xmlencode(fp, strippedname, strlen(strippedname)); 526 fputs("</a></h1><span class=\"desc\">", fp); 527 xmlencode(fp, description, strlen(description)); 528 fputs("</span></td></tr>", fp); 529 if (cloneurl[0]) { 530 fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp); 531 xmlencode(fp, cloneurl, strlen(cloneurl)); /* not percent-encoded */ 532 fputs("\">", fp); 533 xmlencode(fp, cloneurl, strlen(cloneurl)); 534 fputs("</a></td></tr>", fp); 535 } 536 fputs("<tr><td></td><td>\n", fp); 537 fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", baseurl); 538 fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", baseurl); 539 fprintf(fp, "<a href=\"%srefs.html\">Refs</a>", baseurl); 540 if (submodules) 541 fprintf(fp, " | <a href=\"%sfile/%s.html\">Submodules</a>", 542 baseurl, submodules); 543 if (license) 544 fprintf(fp, " | <a href=\"%sfile/%s.html\">LICENSE</a>", 545 baseurl, license); 546 fputs("</td></tr></table>\n<hr/>\n<div id=\"content\">\n", fp); 547 } 548 549 void 550 writefooter(FILE *fp) 551 { 552 fputs("</div>\n</body>\n</html>\n", fp); 553 } 554 555 size_t 556 writeblobhtml(FILE *fp, const git_blob *blob) 557 { 558 size_t n = 0, i, len, prev; 559 const char *nfmt = "<a href=\"#l%zu\" class=\"line\" id=\"l%zu\">%7zu</a> "; 560 const char *s = git_blob_rawcontent(blob); 561 562 len = git_blob_rawsize(blob); 563 fputs("<pre id=\"blob\">\n", fp); 564 565 if (len > 0) { 566 for (i = 0, prev = 0; i < len; i++) { 567 if (s[i] != '\n') 568 continue; 569 n++; 570 fprintf(fp, nfmt, n, n, n); 571 xmlencodeline(fp, &s[prev], i - prev + 1); 572 putc('\n', fp); 573 prev = i + 1; 574 } 575 /* trailing data */ 576 if ((len - prev) > 0) { 577 n++; 578 fprintf(fp, nfmt, n, n, n); 579 xmlencodeline(fp, &s[prev], len - prev); 580 } 581 } 582 583 fputs("</pre>\n", fp); 584 585 return n; 586 } 587 588 void 589 printcommit(FILE *fp, struct commitinfo *ci) 590 { 591 fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n", 592 baseurl, ci->oid, ci->oid); 593 594 if (ci->parentoid[0]) 595 fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n", 596 baseurl, ci->parentoid, ci->parentoid); 597 598 if (ci->author) { 599 fputs("<b>Author:</b> ", fp); 600 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 601 fputs(" <<a href=\"mailto:", fp); 602 xmlencode(fp, ci->author->email, strlen(ci->author->email)); /* not percent-encoded */ 603 fputs("\">", fp); 604 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 605 fputs("</a>>\n<b>Date:</b> ", fp); 606 printtime(fp, &(ci->author->when)); 607 putc('\n', fp); 608 } 609 if (ci->msg) { 610 putc('\n', fp); 611 xmlencode(fp, ci->msg, strlen(ci->msg)); 612 putc('\n', fp); 613 } 614 } 615 616 void 617 printshowfile(FILE *fp, struct commitinfo *ci) 618 { 619 const git_diff_delta *delta; 620 const git_diff_hunk *hunk; 621 const git_diff_line *line; 622 git_patch *patch; 623 size_t nhunks, nhunklines, changed, add, del, total, i, j, k; 624 char linestr[80]; 625 int c; 626 627 printcommit(fp, ci); 628 629 if (!ci->deltas) 630 return; 631 632 if (ci->filecount > 1000 || 633 ci->ndeltas > 1000 || 634 ci->addcount > 100000 || 635 ci->delcount > 100000) { 636 fputs("Diff is too large, output suppressed.\n", fp); 637 return; 638 } 639 640 /* diff stat */ 641 fputs("<b>Diffstat:</b>\n<table>", fp); 642 for (i = 0; i < ci->ndeltas; i++) { 643 delta = git_patch_get_delta(ci->deltas[i]->patch); 644 645 switch (delta->status) { 646 case GIT_DELTA_ADDED: c = 'A'; break; 647 case GIT_DELTA_COPIED: c = 'C'; break; 648 case GIT_DELTA_DELETED: c = 'D'; break; 649 case GIT_DELTA_MODIFIED: c = 'M'; break; 650 case GIT_DELTA_RENAMED: c = 'R'; break; 651 case GIT_DELTA_TYPECHANGE: c = 'T'; break; 652 default: c = ' '; break; 653 } 654 if (c == ' ') 655 fprintf(fp, "<tr><td>%c", c); 656 else 657 fprintf(fp, "<tr><td class=\"%c\">%c", c, c); 658 659 fprintf(fp, "</td><td><a href=\"#h%zu\">", i); 660 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 661 if (strcmp(delta->old_file.path, delta->new_file.path)) { 662 fputs(" -> ", fp); 663 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 664 } 665 666 add = ci->deltas[i]->addcount; 667 del = ci->deltas[i]->delcount; 668 changed = add + del; 669 total = sizeof(linestr) - 2; 670 if (changed > total) { 671 if (add) 672 add = ((float)total / changed * add) + 1; 673 if (del) 674 del = ((float)total / changed * del) + 1; 675 } 676 memset(&linestr, '+', add); 677 memset(&linestr[add], '-', del); 678 679 fprintf(fp, "</a></td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">", 680 ci->deltas[i]->addcount + ci->deltas[i]->delcount); 681 fwrite(&linestr, 1, add, fp); 682 fputs("</span><span class=\"d\">", fp); 683 fwrite(&linestr[add], 1, del, fp); 684 fputs("</span></td></tr>\n", fp); 685 } 686 fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n", 687 ci->filecount, ci->filecount == 1 ? "" : "s", 688 ci->addcount, ci->addcount == 1 ? "" : "s", 689 ci->delcount, ci->delcount == 1 ? "" : "s"); 690 691 fputs("<hr/>", fp); 692 693 for (i = 0; i < ci->ndeltas; i++) { 694 patch = ci->deltas[i]->patch; 695 delta = git_patch_get_delta(patch); 696 fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/", i, baseurl); 697 percentencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 698 fputs(".html\">", fp); 699 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 700 fprintf(fp, "</a> b/<a href=\"%sfile/", baseurl); 701 percentencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 702 fprintf(fp, ".html\">"); 703 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 704 fprintf(fp, "</a></b>\n"); 705 706 /* check binary data */ 707 if (delta->flags & GIT_DIFF_FLAG_BINARY) { 708 fputs("Binary files differ.\n", fp); 709 continue; 710 } 711 712 nhunks = git_patch_num_hunks(patch); 713 for (j = 0; j < nhunks; j++) { 714 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 715 break; 716 717 fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"h\">", i, j, i, j); 718 xmlencode(fp, hunk->header, hunk->header_len); 719 fputs("</a>", fp); 720 721 for (k = 0; ; k++) { 722 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 723 break; 724 if (line->old_lineno == -1) 725 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"i\">+", 726 i, j, k, i, j, k); 727 else if (line->new_lineno == -1) 728 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"d\">-", 729 i, j, k, i, j, k); 730 else 731 putc(' ', fp); 732 xmlencodeline(fp, line->content, line->content_len); 733 putc('\n', fp); 734 if (line->old_lineno == -1 || line->new_lineno == -1) 735 fputs("</a>", fp); 736 } 737 } 738 } 739 } 740 741 void 742 writelogline(FILE *fp, struct commitinfo *ci) 743 { 744 fputs("<tr><td>", fp); 745 if (ci->author) 746 printtimeshort(fp, &(ci->author->when)); 747 fputs("</td><td>", fp); 748 if (ci->summary) { 749 fprintf(fp, "<a href=\"%scommit/%s.html\">", baseurl, ci->oid); 750 xmlencode(fp, ci->summary, strlen(ci->summary)); 751 fputs("</a>", fp); 752 } 753 fputs("</td><td>", fp); 754 if (ci->author) 755 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 756 fputs("</td><td class=\"num\" align=\"right\">", fp); 757 fprintf(fp, "%zu", ci->filecount); 758 fputs("</td><td class=\"num\" align=\"right\">", fp); 759 fprintf(fp, "+%zu", ci->addcount); 760 fputs("</td><td class=\"num\" align=\"right\">", fp); 761 fprintf(fp, "-%zu", ci->delcount); 762 fputs("</td></tr>\n", fp); 763 } 764 765 int 766 writelog(FILE *fp, const git_oid *oid) 767 { 768 struct commitinfo *ci; 769 git_revwalk *w = NULL; 770 git_oid id; 771 char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1]; 772 FILE *fpfile; 773 size_t remcommits = 0; 774 int r; 775 776 git_revwalk_new(&w, repo); 777 git_revwalk_push(w, oid); 778 779 while (!git_revwalk_next(&id, w)) { 780 781 if (cachefile && !memcmp(&id, &lastoid, sizeof(id))) 782 break; 783 784 git_oid_tostr(oidstr, sizeof(oidstr), &id); 785 r = snprintf(path, sizeof(path), "commit/%s.html", oidstr); 786 if (r < 0 || (size_t)r >= sizeof(path)) 787 errx(1, "path truncated: 'commit/%s.html'", oidstr); 788 r = access(path, F_OK); 789 790 /* optimization: if there are no log lines to write and 791 the commit file already exists: skip the diffstat */ 792 if (!nlogcommits) { 793 remcommits++; 794 if (!r) 795 continue; 796 } 797 798 if (!(ci = commitinfo_getbyoid(&id))) 799 break; 800 /* diffstat: for stagit HTML required for the log.html line */ 801 if (commitinfo_getstats(ci) == -1) 802 goto err; 803 804 if (nlogcommits != 0) { 805 writelogline(fp, ci); 806 if (nlogcommits > 0) 807 nlogcommits--; 808 } 809 810 if (cachefile) 811 writelogline(wcachefp, ci); 812 813 /* check if file exists if so skip it */ 814 if (r) { 815 fpfile = efopen(path, "w"); 816 writeheader(fpfile, ci->summary); 817 fputs("<pre>", fpfile); 818 printshowfile(fpfile, ci); 819 fputs("</pre>\n", fpfile); 820 writefooter(fpfile); 821 checkfileerror(fpfile, path, 'w'); 822 fclose(fpfile); 823 } 824 err: 825 commitinfo_free(ci); 826 } 827 git_revwalk_free(w); 828 829 if (nlogcommits == 0 && remcommits != 0) { 830 fprintf(fp, "<tr><td></td><td colspan=\"5\">" 831 "%zu more commits remaining, fetch the repository" 832 "</td></tr>\n", remcommits); 833 } 834 835 return 0; 836 } 837 838 void 839 printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag) 840 { 841 fputs("<entry>\n", fp); 842 843 fprintf(fp, "<id>%s</id>\n", ci->oid); 844 if (ci->author) { 845 fputs("<published>", fp); 846 printtimez(fp, &(ci->author->when)); 847 fputs("</published>\n", fp); 848 } 849 if (ci->committer) { 850 fputs("<updated>", fp); 851 printtimez(fp, &(ci->committer->when)); 852 fputs("</updated>\n", fp); 853 } 854 if (ci->summary) { 855 fputs("<title>", fp); 856 if (tag && tag[0]) { 857 fputs("[", fp); 858 xmlencode(fp, tag, strlen(tag)); 859 fputs("] ", fp); 860 } 861 xmlencode(fp, ci->summary, strlen(ci->summary)); 862 fputs("</title>\n", fp); 863 } 864 fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n", 865 baseurl, ci->oid); 866 867 if (ci->author) { 868 fputs("<author>\n<name>", fp); 869 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 870 fputs("</name>\n<email>", fp); 871 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 872 fputs("</email>\n</author>\n", fp); 873 } 874 875 fputs("<content>", fp); 876 fprintf(fp, "commit %s\n", ci->oid); 877 if (ci->parentoid[0]) 878 fprintf(fp, "parent %s\n", ci->parentoid); 879 if (ci->author) { 880 fputs("Author: ", fp); 881 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 882 fputs(" <", fp); 883 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 884 fputs(">\nDate: ", fp); 885 printtime(fp, &(ci->author->when)); 886 putc('\n', fp); 887 } 888 if (ci->msg) { 889 putc('\n', fp); 890 xmlencode(fp, ci->msg, strlen(ci->msg)); 891 } 892 fputs("\n</content>\n</entry>\n", fp); 893 } 894 895 int 896 writeatom(FILE *fp, int all) 897 { 898 struct referenceinfo *ris = NULL; 899 size_t refcount = 0; 900 struct commitinfo *ci; 901 git_revwalk *w = NULL; 902 git_oid id; 903 size_t i, m = 100; /* last 'm' commits */ 904 905 fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" 906 "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp); 907 xmlencode(fp, strippedname, strlen(strippedname)); 908 fputs(", branch HEAD</title>\n<subtitle>", fp); 909 xmlencode(fp, description, strlen(description)); 910 fputs("</subtitle>\n", fp); 911 912 /* all commits or only tags? */ 913 if (all) { 914 git_revwalk_new(&w, repo); 915 git_revwalk_push_head(w); 916 for (i = 0; i < m && !git_revwalk_next(&id, w); i++) { 917 if (!(ci = commitinfo_getbyoid(&id))) 918 break; 919 printcommitatom(fp, ci, ""); 920 commitinfo_free(ci); 921 } 922 git_revwalk_free(w); 923 } else if (getrefs(&ris, &refcount) != -1) { 924 /* references: tags */ 925 for (i = 0; i < refcount; i++) { 926 if (git_reference_is_tag(ris[i].ref)) 927 printcommitatom(fp, ris[i].ci, 928 git_reference_shorthand(ris[i].ref)); 929 930 commitinfo_free(ris[i].ci); 931 git_reference_free(ris[i].ref); 932 } 933 free(ris); 934 } 935 936 fputs("</feed>\n", fp); 937 938 return 0; 939 } 940 941 size_t 942 writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize) 943 { 944 char tmp[PATH_MAX] = "", *d; 945 const char *p; 946 size_t lc = 0; 947 FILE *fp; 948 949 if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp)) 950 errx(1, "path truncated: '%s'", fpath); 951 if (!(d = dirname(tmp))) 952 err(1, "dirname"); 953 if (mkdirp(d)) 954 return -1; 955 956 for (p = fpath, tmp[0] = '\0'; *p; p++) { 957 if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp)) 958 errx(1, "path truncated: '../%s'", tmp); 959 } 960 961 fp = efopen(fpath, "w"); 962 writeheader(fp, filename); 963 fputs("<p> ", fp); 964 xmlencode(fp, filename, strlen(filename)); 965 fprintf(fp, " (%zuB)", filesize); 966 fputs("</p><hr/>", fp); 967 968 if (git_blob_is_binary((git_blob *)obj)) 969 fputs("<p>Binary file.</p>\n", fp); 970 else 971 lc = writeblobhtml(fp, (git_blob *)obj); 972 973 writefooter(fp); 974 checkfileerror(fp, fpath, 'w'); 975 fclose(fp); 976 977 return lc; 978 } 979 980 const char * 981 filemode(git_filemode_t m) 982 { 983 static char mode[11]; 984 985 memset(mode, '-', sizeof(mode) - 1); 986 mode[10] = '\0'; 987 988 if (S_ISREG(m)) 989 mode[0] = '-'; 990 else if (S_ISBLK(m)) 991 mode[0] = 'b'; 992 else if (S_ISCHR(m)) 993 mode[0] = 'c'; 994 else if (S_ISDIR(m)) 995 mode[0] = 'd'; 996 else if (S_ISFIFO(m)) 997 mode[0] = 'p'; 998 else if (S_ISLNK(m)) 999 mode[0] = 'l'; 1000 else if (S_ISSOCK(m)) 1001 mode[0] = 's'; 1002 else 1003 mode[0] = '?'; 1004 1005 if (m & S_IRUSR) mode[1] = 'r'; 1006 if (m & S_IWUSR) mode[2] = 'w'; 1007 if (m & S_IXUSR) mode[3] = 'x'; 1008 if (m & S_IRGRP) mode[4] = 'r'; 1009 if (m & S_IWGRP) mode[5] = 'w'; 1010 if (m & S_IXGRP) mode[6] = 'x'; 1011 if (m & S_IROTH) mode[7] = 'r'; 1012 if (m & S_IWOTH) mode[8] = 'w'; 1013 if (m & S_IXOTH) mode[9] = 'x'; 1014 1015 if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S'; 1016 if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S'; 1017 if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T'; 1018 1019 return mode; 1020 } 1021 1022 int 1023 writefilestree(FILE *fp, git_tree *tree, const char *path) 1024 { 1025 const git_tree_entry *entry = NULL; 1026 git_object *obj = NULL; 1027 const char *entryname; 1028 char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8]; 1029 size_t count, i, lc, filesize; 1030 int r, ret; 1031 1032 count = git_tree_entrycount(tree); 1033 for (i = 0; i < count; i++) { 1034 if (!(entry = git_tree_entry_byindex(tree, i)) || 1035 !(entryname = git_tree_entry_name(entry))) 1036 return -1; 1037 joinpath(entrypath, sizeof(entrypath), path, entryname); 1038 1039 r = snprintf(filepath, sizeof(filepath), "file/%s.html", 1040 entrypath); 1041 if (r < 0 || (size_t)r >= sizeof(filepath)) 1042 errx(1, "path truncated: 'file/%s.html'", entrypath); 1043 1044 if (!git_tree_entry_to_object(&obj, repo, entry)) { 1045 switch (git_object_type(obj)) { 1046 case GIT_OBJ_BLOB: 1047 break; 1048 case GIT_OBJ_TREE: 1049 /* NOTE: recurses */ 1050 ret = writefilestree(fp, (git_tree *)obj, 1051 entrypath); 1052 git_object_free(obj); 1053 if (ret) 1054 return ret; 1055 continue; 1056 default: 1057 git_object_free(obj); 1058 continue; 1059 } 1060 1061 filesize = git_blob_rawsize((git_blob *)obj); 1062 lc = writeblob(obj, filepath, entryname, filesize); 1063 1064 fputs("<tr><td>", fp); 1065 fputs(filemode(git_tree_entry_filemode(entry)), fp); 1066 fprintf(fp, "</td><td><a href=\"%s", baseurl); 1067 percentencode(fp, filepath, strlen(filepath)); 1068 fputs("\">", fp); 1069 xmlencode(fp, entrypath, strlen(entrypath)); 1070 fputs("</a></td><td class=\"num\" align=\"right\">", fp); 1071 if (lc > 0) 1072 fprintf(fp, "%zuL", lc); 1073 else 1074 fprintf(fp, "%zuB", filesize); 1075 fputs("</td></tr>\n", fp); 1076 git_object_free(obj); 1077 } else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) { 1078 /* commit object in tree is a submodule */ 1079 fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">", 1080 baseurl); 1081 xmlencode(fp, entrypath, strlen(entrypath)); 1082 fputs("</a> @ ", fp); 1083 git_oid_tostr(oid, sizeof(oid), git_tree_entry_id(entry)); 1084 xmlencode(fp, oid, strlen(oid)); 1085 fputs("</td><td class=\"num\" align=\"right\"></td></tr>\n", fp); 1086 } 1087 } 1088 1089 return 0; 1090 } 1091 1092 int 1093 writefiles(FILE *fp, const git_oid *id) 1094 { 1095 git_tree *tree = NULL; 1096 git_commit *commit = NULL; 1097 int ret = -1; 1098 1099 fputs("<table id=\"files\"><thead>\n<tr>" 1100 "<td><b>Mode</b></td><td><b>Name</b></td>" 1101 "<td class=\"num\" align=\"right\"><b>Size</b></td>" 1102 "</tr>\n</thead><tbody>\n", fp); 1103 1104 if (!git_commit_lookup(&commit, repo, id) && 1105 !git_commit_tree(&tree, commit)) 1106 ret = writefilestree(fp, tree, ""); 1107 1108 fputs("</tbody></table>", fp); 1109 1110 git_commit_free(commit); 1111 git_tree_free(tree); 1112 1113 return ret; 1114 } 1115 1116 int 1117 writerefs(FILE *fp) 1118 { 1119 struct referenceinfo *ris = NULL; 1120 struct commitinfo *ci; 1121 size_t count, i, j, refcount; 1122 const char *titles[] = { "Branches", "Tags" }; 1123 const char *ids[] = { "branches", "tags" }; 1124 const char *s; 1125 1126 if (getrefs(&ris, &refcount) == -1) 1127 return -1; 1128 1129 for (i = 0, j = 0, count = 0; i < refcount; i++) { 1130 if (j == 0 && git_reference_is_tag(ris[i].ref)) { 1131 if (count) 1132 fputs("</tbody></table><br/>\n", fp); 1133 count = 0; 1134 j = 1; 1135 } 1136 1137 /* print header if it has an entry (first). */ 1138 if (++count == 1) { 1139 fprintf(fp, "<h2>%s</h2><table id=\"%s\">" 1140 "<thead>\n<tr><td><b>Name</b></td>" 1141 "<td><b>Last commit date</b></td>" 1142 "<td><b>Author</b></td>\n</tr>\n" 1143 "</thead><tbody>\n", 1144 titles[j], ids[j]); 1145 } 1146 1147 ci = ris[i].ci; 1148 s = git_reference_shorthand(ris[i].ref); 1149 1150 fputs("<tr><td>", fp); 1151 xmlencode(fp, s, strlen(s)); 1152 fputs("</td><td>", fp); 1153 if (ci->author) 1154 printtimeshort(fp, &(ci->author->when)); 1155 fputs("</td><td>", fp); 1156 if (ci->author) 1157 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1158 fputs("</td></tr>\n", fp); 1159 } 1160 /* table footer */ 1161 if (count) 1162 fputs("</tbody></table><br/>\n", fp); 1163 1164 for (i = 0; i < refcount; i++) { 1165 commitinfo_free(ris[i].ci); 1166 git_reference_free(ris[i].ref); 1167 } 1168 free(ris); 1169 1170 return 0; 1171 } 1172 1173 int 1174 writeindex(git_object *obj) 1175 { 1176 const char *entryname; 1177 char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8]; 1178 size_t filesize; 1179 filesize = git_blob_rawsize((git_blob *)obj); 1180 writeblob(obj, "index.html", "", filesize); 1181 return 0; 1182 } 1183 1184 1185 void 1186 usage(char *argv0) 1187 { 1188 fprintf(stderr, "usage: %s [-c cachefile | -l commits] " 1189 "-u baseurl repodir\n", argv0); 1190 exit(1); 1191 } 1192 1193 int 1194 main(int argc, char *argv[]) 1195 { 1196 git_object *obj = NULL; 1197 git_object *readme_obj = NULL; 1198 const git_oid *head = NULL; 1199 mode_t mask; 1200 FILE *fp, *fpread; 1201 char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p; 1202 char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ]; 1203 size_t n; 1204 int i, fd; 1205 1206 for (i = 1; i < argc; i++) { 1207 if (argv[i][0] != '-') { 1208 if (repodir) 1209 usage(argv[0]); 1210 repodir = argv[i]; 1211 } else if (argv[i][1] == 'c') { 1212 if (nlogcommits > 0 || i + 1 >= argc) 1213 usage(argv[0]); 1214 cachefile = argv[++i]; 1215 } else if (argv[i][1] == 'l') { 1216 if (cachefile || i + 1 >= argc) 1217 usage(argv[0]); 1218 errno = 0; 1219 nlogcommits = strtoll(argv[++i], &p, 10); 1220 if (argv[i][0] == '\0' || *p != '\0' || 1221 nlogcommits <= 0 || errno) 1222 usage(argv[0]); 1223 } else if (argv[i][1] == 'u') { 1224 if (i + 1 >= argc) 1225 usage(argv[0]); 1226 baseurl = argv[++i]; 1227 } 1228 } 1229 if (!repodir) 1230 usage(argv[0]); 1231 if (!baseurl) 1232 usage(argv[0]); 1233 1234 if (!realpath(repodir, repodirabs)) 1235 err(1, "realpath"); 1236 1237 /* do not search outside the git repository: 1238 GIT_CONFIG_LEVEL_APP is the highest level currently */ 1239 git_libgit2_init(); 1240 for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++) 1241 git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, ""); 1242 /* do not require the git repository to be owned by the current user */ 1243 git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0); 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 checkfileerror(fpread, path, 'r'); 1296 fclose(fpread); 1297 } 1298 1299 /* read url or .git/url */ 1300 joinpath(path, sizeof(path), repodir, "url"); 1301 if (!(fpread = fopen(path, "r"))) { 1302 joinpath(path, sizeof(path), repodir, ".git/url"); 1303 fpread = fopen(path, "r"); 1304 } 1305 if (fpread) { 1306 if (!fgets(cloneurl, sizeof(cloneurl), fpread)) 1307 cloneurl[0] = '\0'; 1308 checkfileerror(fpread, path, 'r'); 1309 fclose(fpread); 1310 cloneurl[strcspn(cloneurl, "\n")] = '\0'; 1311 } 1312 1313 /* check LICENSE */ 1314 for (i = 0; i < LEN(licensefiles) && !license; i++) { 1315 if (!git_revparse_single(&obj, repo, licensefiles[i]) && 1316 git_object_type(obj) == GIT_OBJ_BLOB) 1317 license = licensefiles[i] + strlen("HEAD:"); 1318 git_object_free(obj); 1319 } 1320 1321 /* check README */ 1322 for (i = 0; i < LEN(readmefiles) && !readme; i++) { 1323 if (!git_revparse_single(&readme_obj, repo, readmefiles[i]) && 1324 git_object_type(readme_obj) == GIT_OBJ_BLOB) 1325 readme = readmefiles[i] + strlen("HEAD:"); 1326 } 1327 1328 if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") && 1329 git_object_type(obj) == GIT_OBJ_BLOB) 1330 submodules = ".gitmodules"; 1331 git_object_free(obj); 1332 1333 /* log for HEAD */ 1334 fp = efopen("log.html", "w"); 1335 mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO); 1336 writeheader(fp, "Log"); 1337 fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>" 1338 "<td><b>Commit message</b></td>" 1339 "<td><b>Author</b></td><td class=\"num\" align=\"right\"><b>Files</b></td>" 1340 "<td class=\"num\" align=\"right\"><b>+</b></td>" 1341 "<td class=\"num\" align=\"right\"><b>-</b></td></tr>\n</thead><tbody>\n", fp); 1342 1343 if (cachefile && head) { 1344 /* read from cache file (does not need to exist) */ 1345 if ((rcachefp = fopen(cachefile, "r"))) { 1346 if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp)) 1347 errx(1, "%s: no object id", cachefile); 1348 if (git_oid_fromstr(&lastoid, lastoidstr)) 1349 errx(1, "%s: invalid object id", cachefile); 1350 } 1351 1352 /* write log to (temporary) cache */ 1353 if ((fd = mkstemp(tmppath)) == -1) 1354 err(1, "mkstemp"); 1355 if (!(wcachefp = fdopen(fd, "w"))) 1356 err(1, "fdopen: '%s'", tmppath); 1357 /* write last commit id (HEAD) */ 1358 git_oid_tostr(buf, sizeof(buf), head); 1359 fprintf(wcachefp, "%s\n", buf); 1360 1361 writelog(fp, head); 1362 1363 if (rcachefp) { 1364 /* append previous log to log.html and the new cache */ 1365 while (!feof(rcachefp)) { 1366 n = fread(buf, 1, sizeof(buf), rcachefp); 1367 if (ferror(rcachefp)) 1368 break; 1369 if (fwrite(buf, 1, n, fp) != n || 1370 fwrite(buf, 1, n, wcachefp) != n) 1371 break; 1372 } 1373 checkfileerror(rcachefp, cachefile, 'r'); 1374 fclose(rcachefp); 1375 } 1376 checkfileerror(wcachefp, tmppath, 'w'); 1377 fclose(wcachefp); 1378 } else { 1379 if (head) 1380 writelog(fp, head); 1381 } 1382 1383 fputs("</tbody></table>", fp); 1384 writefooter(fp); 1385 checkfileerror(fp, "log.html", 'w'); 1386 fclose(fp); 1387 1388 /* files for HEAD */ 1389 fp = efopen("files.html", "w"); 1390 writeheader(fp, "Files"); 1391 if (head) 1392 writefiles(fp, head); 1393 writefooter(fp); 1394 checkfileerror(fp, "files.html", 'w'); 1395 fclose(fp); 1396 1397 /* summary page with branches and tags */ 1398 fp = efopen("refs.html", "w"); 1399 writeheader(fp, "Refs"); 1400 writerefs(fp); 1401 writefooter(fp); 1402 checkfileerror(fp, "refs.html", 'w'); 1403 fclose(fp); 1404 1405 /* Atom feed */ 1406 fp = efopen("atom.xml", "w"); 1407 writeatom(fp, 1); 1408 checkfileerror(fp, "atom.xml", 'w'); 1409 fclose(fp); 1410 1411 /* Atom feed for tags / releases */ 1412 fp = efopen("tags.xml", "w"); 1413 writeatom(fp, 0); 1414 checkfileerror(fp, "tags.xml", 'w'); 1415 fclose(fp); 1416 1417 /* index */ 1418 if (!readme) { 1419 err(1, "no readme, can't write index"); 1420 } 1421 writeindex(readme_obj); 1422 git_object_free(readme_obj); 1423 1424 /* rename new cache file on success */ 1425 if (cachefile && head) { 1426 if (rename(tmppath, cachefile)) 1427 err(1, "rename: '%s' to '%s'", tmppath, cachefile); 1428 umask((mask = umask(0))); 1429 if (chmod(cachefile, 1430 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask)) 1431 err(1, "chmod: '%s'", cachefile); 1432 } 1433 1434 /* cleanup */ 1435 git_repository_free(repo); 1436 git_libgit2_shutdown(); 1437 1438 return 0; 1439 }