stagit.c (36242B)
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 65 static char *name = ""; 66 static char *strippedname = ""; 67 static char description[255]; 68 static char cloneurl[1024]; 69 static char *submodules; 70 static char *licensefiles[] = { "HEAD:LICENSE", "HEAD:LICENSE.md", "HEAD:COPYING" }; 71 static char *license; 72 static char *readmefiles[] = { "HEAD:README", "HEAD:README.md" }; 73 static char *readme; 74 static long long nlogcommits = -1; /* -1 indicates not used */ 75 76 /* cache */ 77 static git_oid lastoid; 78 static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + NUL byte */ 79 static FILE *rcachefp, *wcachefp; 80 static const char *cachefile; 81 82 /* Handle read or write errors for a FILE * stream */ 83 void 84 checkfileerror(FILE *fp, const char *name, int mode) 85 { 86 if (mode == 'r' && ferror(fp)) 87 errx(1, "read error: %s", name); 88 else if (mode == 'w' && (fflush(fp) || ferror(fp))) 89 errx(1, "write error: %s", name); 90 } 91 92 void 93 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 94 { 95 int r; 96 97 r = snprintf(buf, bufsiz, "%s%s%s", 98 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 99 if (r < 0 || (size_t)r >= bufsiz) 100 errx(1, "path truncated: '%s%s%s'", 101 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 102 } 103 104 void 105 deltainfo_free(struct deltainfo *di) 106 { 107 if (!di) 108 return; 109 git_patch_free(di->patch); 110 memset(di, 0, sizeof(*di)); 111 free(di); 112 } 113 114 int 115 commitinfo_getstats(struct commitinfo *ci) 116 { 117 struct deltainfo *di; 118 git_diff_options opts; 119 git_diff_find_options fopts; 120 const git_diff_delta *delta; 121 const git_diff_hunk *hunk; 122 const git_diff_line *line; 123 git_patch *patch = NULL; 124 size_t ndeltas, nhunks, nhunklines; 125 size_t i, j, k; 126 127 if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) 128 goto err; 129 if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { 130 if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { 131 ci->parent = NULL; 132 ci->parent_tree = NULL; 133 } 134 } 135 136 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); 137 opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH | 138 GIT_DIFF_IGNORE_SUBMODULES | 139 GIT_DIFF_INCLUDE_TYPECHANGE; 140 if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) 141 goto err; 142 143 if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION)) 144 goto err; 145 /* find renames and copies, exact matches (no heuristic) for renames. */ 146 fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES | 147 GIT_DIFF_FIND_EXACT_MATCH_ONLY; 148 if (git_diff_find_similar(ci->diff, &fopts)) 149 goto err; 150 151 ndeltas = git_diff_num_deltas(ci->diff); 152 if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *)))) 153 err(1, "calloc"); 154 155 for (i = 0; i < ndeltas; i++) { 156 if (git_patch_from_diff(&patch, ci->diff, i)) 157 goto err; 158 159 if (!(di = calloc(1, sizeof(struct deltainfo)))) 160 err(1, "calloc"); 161 di->patch = patch; 162 ci->deltas[i] = di; 163 164 delta = git_patch_get_delta(patch); 165 166 /* skip stats for binary data */ 167 if (delta->flags & GIT_DIFF_FLAG_BINARY) 168 continue; 169 170 nhunks = git_patch_num_hunks(patch); 171 for (j = 0; j < nhunks; j++) { 172 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 173 break; 174 for (k = 0; ; k++) { 175 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 176 break; 177 if (line->old_lineno == -1) { 178 di->addcount++; 179 ci->addcount++; 180 } else if (line->new_lineno == -1) { 181 di->delcount++; 182 ci->delcount++; 183 } 184 } 185 } 186 } 187 ci->ndeltas = i; 188 ci->filecount = i; 189 190 return 0; 191 192 err: 193 git_diff_free(ci->diff); 194 ci->diff = NULL; 195 git_tree_free(ci->commit_tree); 196 ci->commit_tree = NULL; 197 git_tree_free(ci->parent_tree); 198 ci->parent_tree = NULL; 199 git_commit_free(ci->parent); 200 ci->parent = NULL; 201 202 if (ci->deltas) 203 for (i = 0; i < ci->ndeltas; i++) 204 deltainfo_free(ci->deltas[i]); 205 free(ci->deltas); 206 ci->deltas = NULL; 207 ci->ndeltas = 0; 208 ci->addcount = 0; 209 ci->delcount = 0; 210 ci->filecount = 0; 211 212 return -1; 213 } 214 215 void 216 commitinfo_free(struct commitinfo *ci) 217 { 218 size_t i; 219 220 if (!ci) 221 return; 222 if (ci->deltas) 223 for (i = 0; i < ci->ndeltas; i++) 224 deltainfo_free(ci->deltas[i]); 225 226 free(ci->deltas); 227 git_diff_free(ci->diff); 228 git_tree_free(ci->commit_tree); 229 git_tree_free(ci->parent_tree); 230 git_commit_free(ci->commit); 231 git_commit_free(ci->parent); 232 memset(ci, 0, sizeof(*ci)); 233 free(ci); 234 } 235 236 struct commitinfo * 237 commitinfo_getbyoid(const git_oid *id) 238 { 239 struct commitinfo *ci; 240 241 if (!(ci = calloc(1, sizeof(struct commitinfo)))) 242 err(1, "calloc"); 243 244 if (git_commit_lookup(&(ci->commit), repo, id)) 245 goto err; 246 ci->id = id; 247 248 git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit)); 249 git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0)); 250 251 ci->author = git_commit_author(ci->commit); 252 ci->committer = git_commit_committer(ci->commit); 253 ci->summary = git_commit_summary(ci->commit); 254 ci->msg = git_commit_message(ci->commit); 255 256 return ci; 257 258 err: 259 commitinfo_free(ci); 260 261 return NULL; 262 } 263 264 int 265 refs_cmp(const void *v1, const void *v2) 266 { 267 const struct referenceinfo *r1 = v1, *r2 = v2; 268 time_t t1, t2; 269 int r; 270 271 if ((r = git_reference_is_tag(r1->ref) - git_reference_is_tag(r2->ref))) 272 return r; 273 274 t1 = r1->ci->author ? r1->ci->author->when.time : 0; 275 t2 = r2->ci->author ? r2->ci->author->when.time : 0; 276 if ((r = t1 > t2 ? -1 : (t1 == t2 ? 0 : 1))) 277 return r; 278 279 return strcmp(git_reference_shorthand(r1->ref), 280 git_reference_shorthand(r2->ref)); 281 } 282 283 int 284 getrefs(struct referenceinfo **pris, size_t *prefcount) 285 { 286 struct referenceinfo *ris = NULL; 287 struct commitinfo *ci = NULL; 288 git_reference_iterator *it = NULL; 289 const git_oid *id = NULL; 290 git_object *obj = NULL; 291 git_reference *dref = NULL, *r, *ref = NULL; 292 size_t i, refcount; 293 294 *pris = NULL; 295 *prefcount = 0; 296 297 if (git_reference_iterator_new(&it, repo)) 298 return -1; 299 300 for (refcount = 0; !git_reference_next(&ref, it); ) { 301 if (!git_reference_is_branch(ref) && !git_reference_is_tag(ref)) { 302 git_reference_free(ref); 303 ref = NULL; 304 continue; 305 } 306 307 switch (git_reference_type(ref)) { 308 case GIT_REF_SYMBOLIC: 309 if (git_reference_resolve(&dref, ref)) 310 goto err; 311 r = dref; 312 break; 313 case GIT_REF_OID: 314 r = ref; 315 break; 316 default: 317 continue; 318 } 319 if (!git_reference_target(r) || 320 git_reference_peel(&obj, r, GIT_OBJ_ANY)) 321 goto err; 322 if (!(id = git_object_id(obj))) 323 goto err; 324 if (!(ci = commitinfo_getbyoid(id))) 325 break; 326 327 if (!(ris = reallocarray(ris, refcount + 1, sizeof(*ris)))) 328 err(1, "realloc"); 329 ris[refcount].ci = ci; 330 ris[refcount].ref = r; 331 refcount++; 332 333 git_object_free(obj); 334 obj = NULL; 335 git_reference_free(dref); 336 dref = NULL; 337 } 338 git_reference_iterator_free(it); 339 340 /* sort by type, date then shorthand name */ 341 qsort(ris, refcount, sizeof(*ris), refs_cmp); 342 343 *pris = ris; 344 *prefcount = refcount; 345 346 return 0; 347 348 err: 349 git_object_free(obj); 350 git_reference_free(dref); 351 commitinfo_free(ci); 352 for (i = 0; i < refcount; i++) { 353 commitinfo_free(ris[i].ci); 354 git_reference_free(ris[i].ref); 355 } 356 free(ris); 357 358 return -1; 359 } 360 361 FILE * 362 efopen(const char *filename, const char *flags) 363 { 364 FILE *fp; 365 366 if (!(fp = fopen(filename, flags))) 367 err(1, "fopen: '%s'", filename); 368 369 return fp; 370 } 371 372 /* Percent-encode, see RFC3986 section 2.1. */ 373 void 374 percentencode(FILE *fp, const char *s, size_t len) 375 { 376 static char tab[] = "0123456789ABCDEF"; 377 unsigned char uc; 378 size_t i; 379 380 for (i = 0; *s && i < len; s++, i++) { 381 uc = *s; 382 /* NOTE: do not encode '/' for paths or ",-." */ 383 if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || 384 uc == '[' || uc == ']') { 385 putc('%', fp); 386 putc(tab[(uc >> 4) & 0x0f], fp); 387 putc(tab[uc & 0x0f], fp); 388 } else { 389 putc(uc, fp); 390 } 391 } 392 } 393 394 /* Escape characters below as HTML 2.0 / XML 1.0. */ 395 void 396 xmlencode(FILE *fp, const char *s, size_t len) 397 { 398 size_t i; 399 400 for (i = 0; *s && i < len; s++, i++) { 401 switch(*s) { 402 case '<': fputs("<", fp); break; 403 case '>': fputs(">", fp); break; 404 case '\'': fputs("'", fp); break; 405 case '&': fputs("&", fp); break; 406 case '"': fputs(""", fp); break; 407 default: putc(*s, fp); 408 } 409 } 410 } 411 412 /* Escape characters below as HTML 2.0 / XML 1.0, ignore printing '\r', '\n' */ 413 void 414 xmlencodeline(FILE *fp, const char *s, size_t len) 415 { 416 size_t i; 417 418 for (i = 0; *s && i < len; s++, i++) { 419 switch(*s) { 420 case '<': fputs("<", fp); break; 421 case '>': fputs(">", fp); break; 422 case '\'': fputs("'", fp); break; 423 case '&': fputs("&", fp); break; 424 case '"': fputs(""", fp); break; 425 case '\r': break; /* ignore CR */ 426 case '\n': break; /* ignore LF */ 427 default: putc(*s, fp); 428 } 429 } 430 } 431 432 int 433 mkdirp(const char *path) 434 { 435 char tmp[PATH_MAX], *p; 436 437 if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp)) 438 errx(1, "path truncated: '%s'", path); 439 for (p = tmp + (tmp[0] == '/'); *p; p++) { 440 if (*p != '/') 441 continue; 442 *p = '\0'; 443 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 444 return -1; 445 *p = '/'; 446 } 447 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 448 return -1; 449 return 0; 450 } 451 452 void 453 printtimez(FILE *fp, const git_time *intime) 454 { 455 struct tm *intm; 456 time_t t; 457 char out[32]; 458 459 t = (time_t)intime->time; 460 if (!(intm = gmtime(&t))) 461 return; 462 strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm); 463 fputs(out, fp); 464 } 465 466 void 467 printtime(FILE *fp, const git_time *intime) 468 { 469 struct tm *intm; 470 time_t t; 471 char out[32]; 472 473 t = (time_t)intime->time + (intime->offset * 60); 474 if (!(intm = gmtime(&t))) 475 return; 476 strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm); 477 if (intime->offset < 0) 478 fprintf(fp, "%s -%02d%02d", out, 479 -(intime->offset) / 60, -(intime->offset) % 60); 480 else 481 fprintf(fp, "%s +%02d%02d", out, 482 intime->offset / 60, intime->offset % 60); 483 } 484 485 void 486 printtimeshort(FILE *fp, const git_time *intime) 487 { 488 struct tm *intm; 489 time_t t; 490 char out[32]; 491 492 t = (time_t)intime->time; 493 if (!(intm = gmtime(&t))) 494 return; 495 strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm); 496 fputs(out, fp); 497 } 498 499 void 500 writeheader(FILE *fp, const char *title) 501 { 502 fputs("<!DOCTYPE html>\n" 503 "<html lang=\"en\">\n<head>\n" 504 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 505 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" 506 "<title>", fp); 507 xmlencode(fp, title, strlen(title)); 508 if (title[0] && strippedname[0]) 509 fputs(" - ", fp); 510 xmlencode(fp, strippedname, strlen(strippedname)); 511 fputs(" | Philomathic Life", fp); 512 fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/x-icon\" href=\"%s../favicon.ico\" />\n", relpath); 513 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 514 xmlencode(fp, name, strlen(name)); 515 fprintf(fp, " Atom Feed\" href=\"%satom.xml\" />\n", relpath); 516 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 517 xmlencode(fp, name, strlen(name)); 518 fprintf(fp, " Atom Feed (tags)\" href=\"%stags.xml\" />\n", relpath); 519 fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%s../style.css\" />\n", relpath); 520 fputs("</head>\n<body>\n<table><tr><td>", fp); 521 fprintf(fp, "<a href=\"../%s\"><img src=\"%s../logo.svg\" alt=\"\" width=\"73\" height=\"32\" /></a>", 522 relpath, relpath); 523 fputs("</td><td><h1>", fp); 524 xmlencode(fp, strippedname, strlen(strippedname)); 525 fputs("</h1><span class=\"desc\">", fp); 526 xmlencode(fp, description, strlen(description)); 527 fputs("</span></td></tr>", fp); 528 if (cloneurl[0]) { 529 fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp); 530 xmlencode(fp, cloneurl, strlen(cloneurl)); /* not percent-encoded */ 531 fputs("\">", fp); 532 xmlencode(fp, cloneurl, strlen(cloneurl)); 533 fputs("</a></td></tr>", fp); 534 } 535 fputs("<tr><td></td><td>\n", fp); 536 fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", relpath); 537 fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath); 538 fprintf(fp, "<a href=\"%srefs.html\">Refs</a>", relpath); 539 if (submodules) 540 fprintf(fp, " | <a href=\"%sfile/%s.html\">Submodules</a>", 541 relpath, submodules); 542 if (readme) 543 fprintf(fp, " | <a href=\"%sfile/%s.html\">README</a>", 544 relpath, readme); 545 if (license) 546 fprintf(fp, " | <a href=\"%sfile/%s.html\">LICENSE</a>", 547 relpath, license); 548 fputs("</td></tr></table>\n<hr/>\n<div id=\"content\">\n", fp); 549 } 550 551 void 552 writefooter(FILE *fp) 553 { 554 fputs("</div>\n</body>\n</html>\n", fp); 555 } 556 557 size_t 558 writeblobhtml(FILE *fp, const git_blob *blob) 559 { 560 size_t n = 0, i, len, prev; 561 const char *nfmt = "<a href=\"#l%zu\" class=\"line\" id=\"l%zu\">%7zu</a> "; 562 const char *s = git_blob_rawcontent(blob); 563 564 len = git_blob_rawsize(blob); 565 fputs("<pre id=\"blob\">\n", fp); 566 567 if (len > 0) { 568 for (i = 0, prev = 0; i < len; i++) { 569 if (s[i] != '\n') 570 continue; 571 n++; 572 fprintf(fp, nfmt, n, n, n); 573 xmlencodeline(fp, &s[prev], i - prev + 1); 574 putc('\n', fp); 575 prev = i + 1; 576 } 577 /* trailing data */ 578 if ((len - prev) > 0) { 579 n++; 580 fprintf(fp, nfmt, n, n, n); 581 xmlencodeline(fp, &s[prev], len - prev); 582 } 583 } 584 585 fputs("</pre>\n", fp); 586 587 return n; 588 } 589 590 void 591 printcommit(FILE *fp, struct commitinfo *ci) 592 { 593 fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n", 594 relpath, ci->oid, ci->oid); 595 596 if (ci->parentoid[0]) 597 fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n", 598 relpath, ci->parentoid, ci->parentoid); 599 600 if (ci->author) { 601 fputs("<b>Author:</b> ", fp); 602 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 603 fputs(" <<a href=\"mailto:", fp); 604 xmlencode(fp, ci->author->email, strlen(ci->author->email)); /* not percent-encoded */ 605 fputs("\">", fp); 606 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 607 fputs("</a>>\n<b>Date:</b> ", fp); 608 printtime(fp, &(ci->author->when)); 609 putc('\n', fp); 610 } 611 if (ci->msg) { 612 putc('\n', fp); 613 xmlencode(fp, ci->msg, strlen(ci->msg)); 614 putc('\n', fp); 615 } 616 } 617 618 void 619 printshowfile(FILE *fp, struct commitinfo *ci) 620 { 621 const git_diff_delta *delta; 622 const git_diff_hunk *hunk; 623 const git_diff_line *line; 624 git_patch *patch; 625 size_t nhunks, nhunklines, changed, add, del, total, i, j, k; 626 char linestr[80]; 627 int c; 628 629 printcommit(fp, ci); 630 631 if (!ci->deltas) 632 return; 633 634 if (ci->filecount > 1000 || 635 ci->ndeltas > 1000 || 636 ci->addcount > 100000 || 637 ci->delcount > 100000) { 638 fputs("Diff is too large, output suppressed.\n", fp); 639 return; 640 } 641 642 /* diff stat */ 643 fputs("<b>Diffstat:</b>\n<table>", fp); 644 for (i = 0; i < ci->ndeltas; i++) { 645 delta = git_patch_get_delta(ci->deltas[i]->patch); 646 647 switch (delta->status) { 648 case GIT_DELTA_ADDED: c = 'A'; break; 649 case GIT_DELTA_COPIED: c = 'C'; break; 650 case GIT_DELTA_DELETED: c = 'D'; break; 651 case GIT_DELTA_MODIFIED: c = 'M'; break; 652 case GIT_DELTA_RENAMED: c = 'R'; break; 653 case GIT_DELTA_TYPECHANGE: c = 'T'; break; 654 default: c = ' '; break; 655 } 656 if (c == ' ') 657 fprintf(fp, "<tr><td>%c", c); 658 else 659 fprintf(fp, "<tr><td class=\"%c\">%c", c, c); 660 661 fprintf(fp, "</td><td><a href=\"#h%zu\">", i); 662 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 663 if (strcmp(delta->old_file.path, delta->new_file.path)) { 664 fputs(" -> ", fp); 665 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 666 } 667 668 add = ci->deltas[i]->addcount; 669 del = ci->deltas[i]->delcount; 670 changed = add + del; 671 total = sizeof(linestr) - 2; 672 if (changed > total) { 673 if (add) 674 add = ((float)total / changed * add) + 1; 675 if (del) 676 del = ((float)total / changed * del) + 1; 677 } 678 memset(&linestr, '+', add); 679 memset(&linestr[add], '-', del); 680 681 fprintf(fp, "</a></td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">", 682 ci->deltas[i]->addcount + ci->deltas[i]->delcount); 683 fwrite(&linestr, 1, add, fp); 684 fputs("</span><span class=\"d\">", fp); 685 fwrite(&linestr[add], 1, del, fp); 686 fputs("</span></td></tr>\n", fp); 687 } 688 fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n", 689 ci->filecount, ci->filecount == 1 ? "" : "s", 690 ci->addcount, ci->addcount == 1 ? "" : "s", 691 ci->delcount, ci->delcount == 1 ? "" : "s"); 692 693 fputs("<hr/>", fp); 694 695 for (i = 0; i < ci->ndeltas; i++) { 696 patch = ci->deltas[i]->patch; 697 delta = git_patch_get_delta(patch); 698 fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/", i, relpath); 699 percentencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 700 fputs(".html\">", fp); 701 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 702 fprintf(fp, "</a> b/<a href=\"%sfile/", relpath); 703 percentencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 704 fprintf(fp, ".html\">"); 705 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 706 fprintf(fp, "</a></b>\n"); 707 708 /* check binary data */ 709 if (delta->flags & GIT_DIFF_FLAG_BINARY) { 710 fputs("Binary files differ.\n", fp); 711 continue; 712 } 713 714 nhunks = git_patch_num_hunks(patch); 715 for (j = 0; j < nhunks; j++) { 716 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 717 break; 718 719 fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"h\">", i, j, i, j); 720 xmlencode(fp, hunk->header, hunk->header_len); 721 fputs("</a>", fp); 722 723 for (k = 0; ; k++) { 724 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 725 break; 726 if (line->old_lineno == -1) 727 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"i\">+", 728 i, j, k, i, j, k); 729 else if (line->new_lineno == -1) 730 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"d\">-", 731 i, j, k, i, j, k); 732 else 733 putc(' ', fp); 734 xmlencodeline(fp, line->content, line->content_len); 735 putc('\n', fp); 736 if (line->old_lineno == -1 || line->new_lineno == -1) 737 fputs("</a>", fp); 738 } 739 } 740 } 741 } 742 743 void 744 writelogline(FILE *fp, struct commitinfo *ci) 745 { 746 fputs("<tr><td>", fp); 747 if (ci->author) 748 printtimeshort(fp, &(ci->author->when)); 749 fputs("</td><td>", fp); 750 if (ci->summary) { 751 fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid); 752 xmlencode(fp, ci->summary, strlen(ci->summary)); 753 fputs("</a>", fp); 754 } 755 fputs("</td><td>", fp); 756 if (ci->author) 757 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 758 fputs("</td><td class=\"num\" align=\"right\">", fp); 759 fprintf(fp, "%zu", ci->filecount); 760 fputs("</td><td class=\"num\" align=\"right\">", fp); 761 fprintf(fp, "+%zu", ci->addcount); 762 fputs("</td><td class=\"num\" align=\"right\">", fp); 763 fprintf(fp, "-%zu", ci->delcount); 764 fputs("</td></tr>\n", fp); 765 } 766 767 int 768 writelog(FILE *fp, const git_oid *oid) 769 { 770 struct commitinfo *ci; 771 git_revwalk *w = NULL; 772 git_oid id; 773 char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1]; 774 FILE *fpfile; 775 size_t remcommits = 0; 776 int r; 777 778 git_revwalk_new(&w, repo); 779 git_revwalk_push(w, oid); 780 781 while (!git_revwalk_next(&id, w)) { 782 relpath = ""; 783 784 if (cachefile && !memcmp(&id, &lastoid, sizeof(id))) 785 break; 786 787 git_oid_tostr(oidstr, sizeof(oidstr), &id); 788 r = snprintf(path, sizeof(path), "commit/%s.html", oidstr); 789 if (r < 0 || (size_t)r >= sizeof(path)) 790 errx(1, "path truncated: 'commit/%s.html'", oidstr); 791 r = access(path, F_OK); 792 793 /* optimization: if there are no log lines to write and 794 the commit file already exists: skip the diffstat */ 795 if (!nlogcommits) { 796 remcommits++; 797 if (!r) 798 continue; 799 } 800 801 if (!(ci = commitinfo_getbyoid(&id))) 802 break; 803 /* diffstat: for stagit HTML required for the log.html line */ 804 if (commitinfo_getstats(ci) == -1) 805 goto err; 806 807 if (nlogcommits != 0) { 808 writelogline(fp, ci); 809 if (nlogcommits > 0) 810 nlogcommits--; 811 } 812 813 if (cachefile) 814 writelogline(wcachefp, ci); 815 816 /* check if file exists if so skip it */ 817 if (r) { 818 relpath = "../"; 819 fpfile = efopen(path, "w"); 820 writeheader(fpfile, ci->summary); 821 fputs("<pre>", fpfile); 822 printshowfile(fpfile, ci); 823 fputs("</pre>\n", fpfile); 824 writefooter(fpfile); 825 checkfileerror(fpfile, path, 'w'); 826 fclose(fpfile); 827 } 828 err: 829 commitinfo_free(ci); 830 } 831 git_revwalk_free(w); 832 833 if (nlogcommits == 0 && remcommits != 0) { 834 fprintf(fp, "<tr><td></td><td colspan=\"5\">" 835 "%zu more commits remaining, fetch the repository" 836 "</td></tr>\n", remcommits); 837 } 838 839 relpath = ""; 840 841 return 0; 842 } 843 844 void 845 printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag) 846 { 847 fputs("<entry>\n", fp); 848 849 fprintf(fp, "<id>%s</id>\n", ci->oid); 850 if (ci->author) { 851 fputs("<published>", fp); 852 printtimez(fp, &(ci->author->when)); 853 fputs("</published>\n", fp); 854 } 855 if (ci->committer) { 856 fputs("<updated>", fp); 857 printtimez(fp, &(ci->committer->when)); 858 fputs("</updated>\n", fp); 859 } 860 if (ci->summary) { 861 fputs("<title type=\"text\">", fp); 862 if (tag && tag[0]) { 863 fputs("[", fp); 864 xmlencode(fp, tag, strlen(tag)); 865 fputs("] ", fp); 866 } 867 xmlencode(fp, ci->summary, strlen(ci->summary)); 868 fputs("</title>\n", fp); 869 } 870 fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n", 871 baseurl, ci->oid); 872 873 if (ci->author) { 874 fputs("<author>\n<name>", fp); 875 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 876 fputs("</name>\n<email>", fp); 877 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 878 fputs("</email>\n</author>\n", fp); 879 } 880 881 fputs("<content type=\"text\">", fp); 882 fprintf(fp, "commit %s\n", ci->oid); 883 if (ci->parentoid[0]) 884 fprintf(fp, "parent %s\n", ci->parentoid); 885 if (ci->author) { 886 fputs("Author: ", fp); 887 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 888 fputs(" <", fp); 889 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 890 fputs(">\nDate: ", fp); 891 printtime(fp, &(ci->author->when)); 892 putc('\n', fp); 893 } 894 if (ci->msg) { 895 putc('\n', fp); 896 xmlencode(fp, ci->msg, strlen(ci->msg)); 897 } 898 fputs("\n</content>\n</entry>\n", fp); 899 } 900 901 int 902 writeatom(FILE *fp, int all) 903 { 904 struct referenceinfo *ris = NULL; 905 size_t refcount = 0; 906 struct commitinfo *ci; 907 git_revwalk *w = NULL; 908 git_oid id; 909 size_t i, m = 100; /* last 'm' commits */ 910 911 fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" 912 "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp); 913 xmlencode(fp, strippedname, strlen(strippedname)); 914 fputs(", branch HEAD</title>\n<subtitle>", fp); 915 xmlencode(fp, description, strlen(description)); 916 fputs("</subtitle>\n", fp); 917 918 /* all commits or only tags? */ 919 if (all) { 920 git_revwalk_new(&w, repo); 921 git_revwalk_push_head(w); 922 for (i = 0; i < m && !git_revwalk_next(&id, w); i++) { 923 if (!(ci = commitinfo_getbyoid(&id))) 924 break; 925 printcommitatom(fp, ci, ""); 926 commitinfo_free(ci); 927 } 928 git_revwalk_free(w); 929 } else if (getrefs(&ris, &refcount) != -1) { 930 /* references: tags */ 931 for (i = 0; i < refcount; i++) { 932 if (git_reference_is_tag(ris[i].ref)) 933 printcommitatom(fp, ris[i].ci, 934 git_reference_shorthand(ris[i].ref)); 935 936 commitinfo_free(ris[i].ci); 937 git_reference_free(ris[i].ref); 938 } 939 free(ris); 940 } 941 942 fputs("</feed>\n", fp); 943 944 return 0; 945 } 946 947 size_t 948 writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize) 949 { 950 char tmp[PATH_MAX] = "", *d; 951 const char *p; 952 size_t lc = 0; 953 FILE *fp; 954 955 if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp)) 956 errx(1, "path truncated: '%s'", fpath); 957 if (!(d = dirname(tmp))) 958 err(1, "dirname"); 959 if (mkdirp(d)) 960 return -1; 961 962 for (p = fpath, tmp[0] = '\0'; *p; p++) { 963 if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp)) 964 errx(1, "path truncated: '../%s'", tmp); 965 } 966 relpath = tmp; 967 968 fp = efopen(fpath, "w"); 969 writeheader(fp, filename); 970 fputs("<p> ", fp); 971 xmlencode(fp, filename, strlen(filename)); 972 fprintf(fp, " (%zuB)", filesize); 973 fputs("</p><hr/>", fp); 974 975 if (git_blob_is_binary((git_blob *)obj)) 976 fputs("<p>Binary file.</p>\n", fp); 977 else 978 lc = writeblobhtml(fp, (git_blob *)obj); 979 980 writefooter(fp); 981 checkfileerror(fp, fpath, 'w'); 982 fclose(fp); 983 984 relpath = ""; 985 986 return lc; 987 } 988 989 const char * 990 filemode(git_filemode_t m) 991 { 992 static char mode[11]; 993 994 memset(mode, '-', sizeof(mode) - 1); 995 mode[10] = '\0'; 996 997 if (S_ISREG(m)) 998 mode[0] = '-'; 999 else if (S_ISBLK(m)) 1000 mode[0] = 'b'; 1001 else if (S_ISCHR(m)) 1002 mode[0] = 'c'; 1003 else if (S_ISDIR(m)) 1004 mode[0] = 'd'; 1005 else if (S_ISFIFO(m)) 1006 mode[0] = 'p'; 1007 else if (S_ISLNK(m)) 1008 mode[0] = 'l'; 1009 else if (S_ISSOCK(m)) 1010 mode[0] = 's'; 1011 else 1012 mode[0] = '?'; 1013 1014 if (m & S_IRUSR) mode[1] = 'r'; 1015 if (m & S_IWUSR) mode[2] = 'w'; 1016 if (m & S_IXUSR) mode[3] = 'x'; 1017 if (m & S_IRGRP) mode[4] = 'r'; 1018 if (m & S_IWGRP) mode[5] = 'w'; 1019 if (m & S_IXGRP) mode[6] = 'x'; 1020 if (m & S_IROTH) mode[7] = 'r'; 1021 if (m & S_IWOTH) mode[8] = 'w'; 1022 if (m & S_IXOTH) mode[9] = 'x'; 1023 1024 if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S'; 1025 if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S'; 1026 if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T'; 1027 1028 return mode; 1029 } 1030 1031 int 1032 writefilestree(FILE *fp, git_tree *tree, const char *path) 1033 { 1034 const git_tree_entry *entry = NULL; 1035 git_object *obj = NULL; 1036 const char *entryname; 1037 char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8]; 1038 size_t count, i, lc, filesize; 1039 int r, ret; 1040 1041 count = git_tree_entrycount(tree); 1042 for (i = 0; i < count; i++) { 1043 if (!(entry = git_tree_entry_byindex(tree, i)) || 1044 !(entryname = git_tree_entry_name(entry))) 1045 return -1; 1046 joinpath(entrypath, sizeof(entrypath), path, entryname); 1047 1048 r = snprintf(filepath, sizeof(filepath), "file/%s.html", 1049 entrypath); 1050 if (r < 0 || (size_t)r >= sizeof(filepath)) 1051 errx(1, "path truncated: 'file/%s.html'", entrypath); 1052 1053 if (!git_tree_entry_to_object(&obj, repo, entry)) { 1054 switch (git_object_type(obj)) { 1055 case GIT_OBJ_BLOB: 1056 break; 1057 case GIT_OBJ_TREE: 1058 /* NOTE: recurses */ 1059 ret = writefilestree(fp, (git_tree *)obj, 1060 entrypath); 1061 git_object_free(obj); 1062 if (ret) 1063 return ret; 1064 continue; 1065 default: 1066 git_object_free(obj); 1067 continue; 1068 } 1069 1070 filesize = git_blob_rawsize((git_blob *)obj); 1071 lc = writeblob(obj, filepath, entryname, filesize); 1072 1073 fputs("<tr><td>", fp); 1074 fputs(filemode(git_tree_entry_filemode(entry)), fp); 1075 fprintf(fp, "</td><td><a href=\"%s", relpath); 1076 percentencode(fp, filepath, strlen(filepath)); 1077 fputs("\">", fp); 1078 xmlencode(fp, entrypath, strlen(entrypath)); 1079 fputs("</a></td><td class=\"num\" align=\"right\">", fp); 1080 if (lc > 0) 1081 fprintf(fp, "%zuL", lc); 1082 else 1083 fprintf(fp, "%zuB", filesize); 1084 fputs("</td></tr>\n", fp); 1085 git_object_free(obj); 1086 } else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) { 1087 /* commit object in tree is a submodule */ 1088 fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">", 1089 relpath); 1090 xmlencode(fp, entrypath, strlen(entrypath)); 1091 fputs("</a> @ ", fp); 1092 git_oid_tostr(oid, sizeof(oid), git_tree_entry_id(entry)); 1093 xmlencode(fp, oid, strlen(oid)); 1094 fputs("</td><td class=\"num\" align=\"right\"></td></tr>\n", fp); 1095 } 1096 } 1097 1098 return 0; 1099 } 1100 1101 int 1102 writefiles(FILE *fp, const git_oid *id) 1103 { 1104 git_tree *tree = NULL; 1105 git_commit *commit = NULL; 1106 int ret = -1; 1107 1108 fputs("<table id=\"files\"><thead>\n<tr>" 1109 "<td><b>Mode</b></td><td><b>Name</b></td>" 1110 "<td class=\"num\" align=\"right\"><b>Size</b></td>" 1111 "</tr>\n</thead><tbody>\n", fp); 1112 1113 if (!git_commit_lookup(&commit, repo, id) && 1114 !git_commit_tree(&tree, commit)) 1115 ret = writefilestree(fp, tree, ""); 1116 1117 fputs("</tbody></table>", fp); 1118 1119 git_commit_free(commit); 1120 git_tree_free(tree); 1121 1122 return ret; 1123 } 1124 1125 int 1126 writerefs(FILE *fp) 1127 { 1128 struct referenceinfo *ris = NULL; 1129 struct commitinfo *ci; 1130 size_t count, i, j, refcount; 1131 const char *titles[] = { "Branches", "Tags" }; 1132 const char *ids[] = { "branches", "tags" }; 1133 const char *s; 1134 1135 if (getrefs(&ris, &refcount) == -1) 1136 return -1; 1137 1138 for (i = 0, j = 0, count = 0; i < refcount; i++) { 1139 if (j == 0 && git_reference_is_tag(ris[i].ref)) { 1140 if (count) 1141 fputs("</tbody></table><br/>\n", fp); 1142 count = 0; 1143 j = 1; 1144 } 1145 1146 /* print header if it has an entry (first). */ 1147 if (++count == 1) { 1148 fprintf(fp, "<h2>%s</h2><table id=\"%s\">" 1149 "<thead>\n<tr><td><b>Name</b></td>" 1150 "<td><b>Last commit date</b></td>" 1151 "<td><b>Author</b></td>\n</tr>\n" 1152 "</thead><tbody>\n", 1153 titles[j], ids[j]); 1154 } 1155 1156 ci = ris[i].ci; 1157 s = git_reference_shorthand(ris[i].ref); 1158 1159 fputs("<tr><td>", fp); 1160 xmlencode(fp, s, strlen(s)); 1161 fputs("</td><td>", fp); 1162 if (ci->author) 1163 printtimeshort(fp, &(ci->author->when)); 1164 fputs("</td><td>", fp); 1165 if (ci->author) 1166 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1167 fputs("</td></tr>\n", fp); 1168 } 1169 /* table footer */ 1170 if (count) 1171 fputs("</tbody></table><br/>\n", fp); 1172 1173 for (i = 0; i < refcount; i++) { 1174 commitinfo_free(ris[i].ci); 1175 git_reference_free(ris[i].ref); 1176 } 1177 free(ris); 1178 1179 return 0; 1180 } 1181 1182 void 1183 usage(char *argv0) 1184 { 1185 fprintf(stderr, "usage: %s [-c cachefile | -l commits] " 1186 "[-u baseurl] repodir\n", argv0); 1187 exit(1); 1188 } 1189 1190 int 1191 main(int argc, char *argv[]) 1192 { 1193 git_object *obj = NULL; 1194 const git_oid *head = NULL; 1195 mode_t mask; 1196 FILE *fp, *fpread; 1197 char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p; 1198 char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ]; 1199 size_t n; 1200 int i, fd; 1201 1202 for (i = 1; i < argc; i++) { 1203 if (argv[i][0] != '-') { 1204 if (repodir) 1205 usage(argv[0]); 1206 repodir = argv[i]; 1207 } else if (argv[i][1] == 'c') { 1208 if (nlogcommits > 0 || i + 1 >= argc) 1209 usage(argv[0]); 1210 cachefile = argv[++i]; 1211 } else if (argv[i][1] == 'l') { 1212 if (cachefile || i + 1 >= argc) 1213 usage(argv[0]); 1214 errno = 0; 1215 nlogcommits = strtoll(argv[++i], &p, 10); 1216 if (argv[i][0] == '\0' || *p != '\0' || 1217 nlogcommits <= 0 || errno) 1218 usage(argv[0]); 1219 } else if (argv[i][1] == 'u') { 1220 if (i + 1 >= argc) 1221 usage(argv[0]); 1222 baseurl = argv[++i]; 1223 } 1224 } 1225 if (!repodir) 1226 usage(argv[0]); 1227 1228 if (!realpath(repodir, repodirabs)) 1229 err(1, "realpath"); 1230 1231 /* do not search outside the git repository: 1232 GIT_CONFIG_LEVEL_APP is the highest level currently */ 1233 git_libgit2_init(); 1234 for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++) 1235 git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, ""); 1236 /* do not require the git repository to be owned by the current user */ 1237 git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0); 1238 1239 #ifdef __OpenBSD__ 1240 if (unveil(repodir, "r") == -1) 1241 err(1, "unveil: %s", repodir); 1242 if (unveil(".", "rwc") == -1) 1243 err(1, "unveil: ."); 1244 if (cachefile && unveil(cachefile, "rwc") == -1) 1245 err(1, "unveil: %s", cachefile); 1246 1247 if (cachefile) { 1248 if (pledge("stdio rpath wpath cpath fattr", NULL) == -1) 1249 err(1, "pledge"); 1250 } else { 1251 if (pledge("stdio rpath wpath cpath", NULL) == -1) 1252 err(1, "pledge"); 1253 } 1254 #endif 1255 1256 if (git_repository_open_ext(&repo, repodir, 1257 GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) { 1258 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 1259 return 1; 1260 } 1261 1262 /* find HEAD */ 1263 if (!git_revparse_single(&obj, repo, "HEAD")) 1264 head = git_object_id(obj); 1265 git_object_free(obj); 1266 1267 /* use directory name as name */ 1268 if ((name = strrchr(repodirabs, '/'))) 1269 name++; 1270 else 1271 name = ""; 1272 1273 /* strip .git suffix */ 1274 if (!(strippedname = strdup(name))) 1275 err(1, "strdup"); 1276 if ((p = strrchr(strippedname, '.'))) 1277 if (!strcmp(p, ".git")) 1278 *p = '\0'; 1279 1280 /* read description or .git/description */ 1281 joinpath(path, sizeof(path), repodir, "description"); 1282 if (!(fpread = fopen(path, "r"))) { 1283 joinpath(path, sizeof(path), repodir, ".git/description"); 1284 fpread = fopen(path, "r"); 1285 } 1286 if (fpread) { 1287 if (!fgets(description, sizeof(description), fpread)) 1288 description[0] = '\0'; 1289 checkfileerror(fpread, path, 'r'); 1290 fclose(fpread); 1291 } 1292 1293 /* read url or .git/url */ 1294 joinpath(path, sizeof(path), repodir, "url"); 1295 if (!(fpread = fopen(path, "r"))) { 1296 joinpath(path, sizeof(path), repodir, ".git/url"); 1297 fpread = fopen(path, "r"); 1298 } 1299 if (fpread) { 1300 if (!fgets(cloneurl, sizeof(cloneurl), fpread)) 1301 cloneurl[0] = '\0'; 1302 checkfileerror(fpread, path, 'r'); 1303 fclose(fpread); 1304 cloneurl[strcspn(cloneurl, "\n")] = '\0'; 1305 } 1306 1307 /* check LICENSE */ 1308 for (i = 0; i < LEN(licensefiles) && !license; i++) { 1309 if (!git_revparse_single(&obj, repo, licensefiles[i]) && 1310 git_object_type(obj) == GIT_OBJ_BLOB) 1311 license = licensefiles[i] + strlen("HEAD:"); 1312 git_object_free(obj); 1313 } 1314 1315 /* check README */ 1316 for (i = 0; i < LEN(readmefiles) && !readme; i++) { 1317 if (!git_revparse_single(&obj, repo, readmefiles[i]) && 1318 git_object_type(obj) == GIT_OBJ_BLOB) 1319 readme = readmefiles[i] + strlen("HEAD:"); 1320 git_object_free(obj); 1321 } 1322 1323 if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") && 1324 git_object_type(obj) == GIT_OBJ_BLOB) 1325 submodules = ".gitmodules"; 1326 git_object_free(obj); 1327 1328 /* log for HEAD */ 1329 fp = efopen("log.html", "w"); 1330 relpath = ""; 1331 mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO); 1332 writeheader(fp, "Log"); 1333 fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>" 1334 "<td><b>Commit message</b></td>" 1335 "<td><b>Author</b></td><td class=\"num\" align=\"right\"><b>Files</b></td>" 1336 "<td class=\"num\" align=\"right\"><b>+</b></td>" 1337 "<td class=\"num\" align=\"right\"><b>-</b></td></tr>\n</thead><tbody>\n", fp); 1338 1339 if (cachefile && head) { 1340 /* read from cache file (does not need to exist) */ 1341 if ((rcachefp = fopen(cachefile, "r"))) { 1342 if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp)) 1343 errx(1, "%s: no object id", cachefile); 1344 if (git_oid_fromstr(&lastoid, lastoidstr)) 1345 errx(1, "%s: invalid object id", cachefile); 1346 } 1347 1348 /* write log to (temporary) cache */ 1349 if ((fd = mkstemp(tmppath)) == -1) 1350 err(1, "mkstemp"); 1351 if (!(wcachefp = fdopen(fd, "w"))) 1352 err(1, "fdopen: '%s'", tmppath); 1353 /* write last commit id (HEAD) */ 1354 git_oid_tostr(buf, sizeof(buf), head); 1355 fprintf(wcachefp, "%s\n", buf); 1356 1357 writelog(fp, head); 1358 1359 if (rcachefp) { 1360 /* append previous log to log.html and the new cache */ 1361 while (!feof(rcachefp)) { 1362 n = fread(buf, 1, sizeof(buf), rcachefp); 1363 if (ferror(rcachefp)) 1364 break; 1365 if (fwrite(buf, 1, n, fp) != n || 1366 fwrite(buf, 1, n, wcachefp) != n) 1367 break; 1368 } 1369 checkfileerror(rcachefp, cachefile, 'r'); 1370 fclose(rcachefp); 1371 } 1372 checkfileerror(wcachefp, tmppath, 'w'); 1373 fclose(wcachefp); 1374 } else { 1375 if (head) 1376 writelog(fp, head); 1377 } 1378 1379 fputs("</tbody></table>", fp); 1380 writefooter(fp); 1381 checkfileerror(fp, "log.html", 'w'); 1382 fclose(fp); 1383 1384 /* files for HEAD */ 1385 fp = efopen("files.html", "w"); 1386 writeheader(fp, "Files"); 1387 if (head) 1388 writefiles(fp, head); 1389 writefooter(fp); 1390 checkfileerror(fp, "files.html", 'w'); 1391 fclose(fp); 1392 1393 /* summary page with branches and tags */ 1394 fp = efopen("refs.html", "w"); 1395 writeheader(fp, "Refs"); 1396 writerefs(fp); 1397 writefooter(fp); 1398 checkfileerror(fp, "refs.html", 'w'); 1399 fclose(fp); 1400 1401 /* Atom feed */ 1402 fp = efopen("atom.xml", "w"); 1403 writeatom(fp, 1); 1404 checkfileerror(fp, "atom.xml", 'w'); 1405 fclose(fp); 1406 1407 /* Atom feed for tags / releases */ 1408 fp = efopen("tags.xml", "w"); 1409 writeatom(fp, 0); 1410 checkfileerror(fp, "tags.xml", 'w'); 1411 fclose(fp); 1412 1413 /* rename new cache file on success */ 1414 if (cachefile && head) { 1415 if (rename(tmppath, cachefile)) 1416 err(1, "rename: '%s' to '%s'", tmppath, cachefile); 1417 umask((mask = umask(0))); 1418 if (chmod(cachefile, 1419 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask)) 1420 err(1, "chmod: '%s'", cachefile); 1421 } 1422 1423 /* cleanup */ 1424 git_repository_free(repo); 1425 git_libgit2_shutdown(); 1426 1427 return 0; 1428 }