stagit.c (37055B)
1 #include <sys/stat.h> 2 #include <sys/types.h> 3 4 #include <err.h> 5 #include <errno.h> 6 #include <libgen.h> 7 #include <limits.h> 8 #include <stdint.h> 9 #include <stdio.h> 10 #include <stdlib.h> 11 #include <string.h> 12 #include <time.h> 13 #include <unistd.h> 14 15 #include <git2.h> 16 17 #include "compat.h" 18 19 #define LEN(s) (sizeof(s)/sizeof(*s)) 20 21 struct deltainfo { 22 git_patch *patch; 23 24 size_t addcount; 25 size_t delcount; 26 }; 27 28 struct commitinfo { 29 const git_oid *id; 30 31 char oid[GIT_OID_HEXSZ + 1]; 32 char parentoid[GIT_OID_HEXSZ + 1]; 33 34 const git_signature *author; 35 const git_signature *committer; 36 const char *summary; 37 const char *msg; 38 39 git_diff *diff; 40 git_commit *commit; 41 git_commit *parent; 42 git_tree *commit_tree; 43 git_tree *parent_tree; 44 45 size_t addcount; 46 size_t delcount; 47 size_t filecount; 48 49 struct deltainfo **deltas; 50 size_t ndeltas; 51 }; 52 53 /* reference and associated data for sorting */ 54 struct referenceinfo { 55 struct git_reference *ref; 56 struct commitinfo *ci; 57 }; 58 59 static git_repository *repo; 60 61 static const char *rootpath = "/"; 62 static const char *baseurl = ""; /* base URL to make absolute RSS/Atom URI */ 63 static const char *relpath = ""; 64 static const char *repodir; 65 66 static char *name = ""; 67 static char *strippedname = ""; 68 static char description[255]; 69 static char forked[255]; 70 static char cloneurl[1024]; 71 static char *submodules; 72 static char *licensefiles[] = { "HEAD:LICENSE", "HEAD:LICENSE.md", "HEAD:COPYING" }; 73 static char *license; 74 static char *readmefiles[] = { "HEAD:README", "HEAD:README.md" }; 75 static char *readme; 76 static long long nlogcommits = -1; /* -1 indicates not used */ 77 78 /* cache */ 79 static git_oid lastoid; 80 static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + NUL byte */ 81 static FILE *rcachefp, *wcachefp; 82 static const char *cachefile; 83 84 /* Handle read or write errors for a FILE * stream */ 85 void 86 checkfileerror(FILE *fp, const char *name, int mode) 87 { 88 if (mode == 'r' && ferror(fp)) 89 errx(1, "read error: %s", name); 90 else if (mode == 'w' && (fflush(fp) || ferror(fp))) 91 errx(1, "write error: %s", name); 92 } 93 94 void 95 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 96 { 97 int r; 98 99 r = snprintf(buf, bufsiz, "%s%s%s", 100 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 101 if (r < 0 || (size_t)r >= bufsiz) 102 errx(1, "path truncated: '%s%s%s'", 103 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 104 } 105 106 void 107 deltainfo_free(struct deltainfo *di) 108 { 109 if (!di) 110 return; 111 git_patch_free(di->patch); 112 memset(di, 0, sizeof(*di)); 113 free(di); 114 } 115 116 int 117 commitinfo_getstats(struct commitinfo *ci) 118 { 119 struct deltainfo *di; 120 git_diff_options opts; 121 git_diff_find_options fopts; 122 const git_diff_delta *delta; 123 const git_diff_hunk *hunk; 124 const git_diff_line *line; 125 git_patch *patch = NULL; 126 size_t ndeltas, nhunks, nhunklines; 127 size_t i, j, k; 128 129 if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) 130 goto err; 131 if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { 132 if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { 133 ci->parent = NULL; 134 ci->parent_tree = NULL; 135 } 136 } 137 138 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); 139 opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH | 140 GIT_DIFF_IGNORE_SUBMODULES | 141 GIT_DIFF_INCLUDE_TYPECHANGE; 142 if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) 143 goto err; 144 145 if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION)) 146 goto err; 147 /* find renames and copies, exact matches (no heuristic) for renames. */ 148 fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES | 149 GIT_DIFF_FIND_EXACT_MATCH_ONLY; 150 if (git_diff_find_similar(ci->diff, &fopts)) 151 goto err; 152 153 ndeltas = git_diff_num_deltas(ci->diff); 154 if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *)))) 155 err(1, "calloc"); 156 157 for (i = 0; i < ndeltas; i++) { 158 if (git_patch_from_diff(&patch, ci->diff, i)) 159 goto err; 160 161 if (!(di = calloc(1, sizeof(struct deltainfo)))) 162 err(1, "calloc"); 163 di->patch = patch; 164 ci->deltas[i] = di; 165 166 delta = git_patch_get_delta(patch); 167 168 /* skip stats for binary data */ 169 if (delta->flags & GIT_DIFF_FLAG_BINARY) 170 continue; 171 172 nhunks = git_patch_num_hunks(patch); 173 for (j = 0; j < nhunks; j++) { 174 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 175 break; 176 for (k = 0; ; k++) { 177 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 178 break; 179 if (line->old_lineno == -1) { 180 di->addcount++; 181 ci->addcount++; 182 } else if (line->new_lineno == -1) { 183 di->delcount++; 184 ci->delcount++; 185 } 186 } 187 } 188 } 189 ci->ndeltas = i; 190 ci->filecount = i; 191 192 return 0; 193 194 err: 195 git_diff_free(ci->diff); 196 ci->diff = NULL; 197 git_tree_free(ci->commit_tree); 198 ci->commit_tree = NULL; 199 git_tree_free(ci->parent_tree); 200 ci->parent_tree = NULL; 201 git_commit_free(ci->parent); 202 ci->parent = NULL; 203 204 if (ci->deltas) 205 for (i = 0; i < ci->ndeltas; i++) 206 deltainfo_free(ci->deltas[i]); 207 free(ci->deltas); 208 ci->deltas = NULL; 209 ci->ndeltas = 0; 210 ci->addcount = 0; 211 ci->delcount = 0; 212 ci->filecount = 0; 213 214 return -1; 215 } 216 217 void 218 commitinfo_free(struct commitinfo *ci) 219 { 220 size_t i; 221 222 if (!ci) 223 return; 224 if (ci->deltas) 225 for (i = 0; i < ci->ndeltas; i++) 226 deltainfo_free(ci->deltas[i]); 227 228 free(ci->deltas); 229 git_diff_free(ci->diff); 230 git_tree_free(ci->commit_tree); 231 git_tree_free(ci->parent_tree); 232 git_commit_free(ci->commit); 233 git_commit_free(ci->parent); 234 memset(ci, 0, sizeof(*ci)); 235 free(ci); 236 } 237 238 struct commitinfo * 239 commitinfo_getbyoid(const git_oid *id) 240 { 241 struct commitinfo *ci; 242 243 if (!(ci = calloc(1, sizeof(struct commitinfo)))) 244 err(1, "calloc"); 245 246 if (git_commit_lookup(&(ci->commit), repo, id)) 247 goto err; 248 ci->id = id; 249 250 git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit)); 251 git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0)); 252 253 ci->author = git_commit_author(ci->commit); 254 ci->committer = git_commit_committer(ci->commit); 255 ci->summary = git_commit_summary(ci->commit); 256 ci->msg = git_commit_message(ci->commit); 257 258 return ci; 259 260 err: 261 commitinfo_free(ci); 262 263 return NULL; 264 } 265 266 int 267 refs_cmp(const void *v1, const void *v2) 268 { 269 const struct referenceinfo *r1 = v1, *r2 = v2; 270 time_t t1, t2; 271 int r; 272 273 if ((r = git_reference_is_tag(r1->ref) - git_reference_is_tag(r2->ref))) 274 return r; 275 276 t1 = r1->ci->author ? r1->ci->author->when.time : 0; 277 t2 = r2->ci->author ? r2->ci->author->when.time : 0; 278 if ((r = t1 > t2 ? -1 : (t1 == t2 ? 0 : 1))) 279 return r; 280 281 return strcmp(git_reference_shorthand(r1->ref), 282 git_reference_shorthand(r2->ref)); 283 } 284 285 int 286 getrefs(struct referenceinfo **pris, size_t *prefcount) 287 { 288 struct referenceinfo *ris = NULL; 289 struct commitinfo *ci = NULL; 290 git_reference_iterator *it = NULL; 291 const git_oid *id = NULL; 292 git_object *obj = NULL; 293 git_reference *dref = NULL, *r, *ref = NULL; 294 size_t i, refcount; 295 296 *pris = NULL; 297 *prefcount = 0; 298 299 if (git_reference_iterator_new(&it, repo)) 300 return -1; 301 302 for (refcount = 0; !git_reference_next(&ref, it); ) { 303 if (!git_reference_is_branch(ref) && !git_reference_is_tag(ref)) { 304 git_reference_free(ref); 305 ref = NULL; 306 continue; 307 } 308 309 switch (git_reference_type(ref)) { 310 case GIT_REF_SYMBOLIC: 311 if (git_reference_resolve(&dref, ref)) 312 goto err; 313 r = dref; 314 break; 315 case GIT_REF_OID: 316 r = ref; 317 break; 318 default: 319 continue; 320 } 321 if (!git_reference_target(r) || 322 git_reference_peel(&obj, r, GIT_OBJ_ANY)) 323 goto err; 324 if (!(id = git_object_id(obj))) 325 goto err; 326 if (!(ci = commitinfo_getbyoid(id))) 327 break; 328 329 if (!(ris = reallocarray(ris, refcount + 1, sizeof(*ris)))) 330 err(1, "realloc"); 331 ris[refcount].ci = ci; 332 ris[refcount].ref = r; 333 refcount++; 334 335 git_object_free(obj); 336 obj = NULL; 337 git_reference_free(dref); 338 dref = NULL; 339 } 340 git_reference_iterator_free(it); 341 342 /* sort by type, date then shorthand name */ 343 qsort(ris, refcount, sizeof(*ris), refs_cmp); 344 345 *pris = ris; 346 *prefcount = refcount; 347 348 return 0; 349 350 err: 351 git_object_free(obj); 352 git_reference_free(dref); 353 commitinfo_free(ci); 354 for (i = 0; i < refcount; i++) { 355 commitinfo_free(ris[i].ci); 356 git_reference_free(ris[i].ref); 357 } 358 free(ris); 359 360 return -1; 361 } 362 363 FILE * 364 efopen(const char *filename, const char *flags) 365 { 366 FILE *fp; 367 368 if (!(fp = fopen(filename, flags))) 369 err(1, "fopen: '%s'", filename); 370 371 return fp; 372 } 373 374 /* Percent-encode, see RFC3986 section 2.1. */ 375 void 376 percentencode(FILE *fp, const char *s, size_t len) 377 { 378 static char tab[] = "0123456789ABCDEF"; 379 unsigned char uc; 380 size_t i; 381 382 for (i = 0; *s && i < len; s++, i++) { 383 uc = *s; 384 /* NOTE: do not encode '/' for paths or ",-." */ 385 if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || 386 uc == '[' || uc == ']') { 387 putc('%', fp); 388 putc(tab[(uc >> 4) & 0x0f], fp); 389 putc(tab[uc & 0x0f], fp); 390 } else { 391 putc(uc, fp); 392 } 393 } 394 } 395 396 /* Escape characters below as HTML 2.0 / XML 1.0. */ 397 void 398 xmlencode(FILE *fp, const char *s, size_t len) 399 { 400 size_t i; 401 402 for (i = 0; *s && i < len; s++, i++) { 403 switch(*s) { 404 case '<': fputs("<", fp); break; 405 case '>': fputs(">", fp); break; 406 case '\'': fputs("'", fp); break; 407 case '&': fputs("&", fp); break; 408 case '"': fputs(""", fp); break; 409 default: putc(*s, fp); 410 } 411 } 412 } 413 414 /* Escape characters below as HTML 2.0 / XML 1.0, ignore printing '\r', '\n' */ 415 void 416 xmlencodeline(FILE *fp, const char *s, size_t len) 417 { 418 size_t i; 419 420 for (i = 0; *s && i < len; s++, i++) { 421 switch(*s) { 422 case '<': fputs("<", fp); break; 423 case '>': fputs(">", fp); break; 424 case '\'': fputs("'", fp); break; 425 case '&': fputs("&", fp); break; 426 case '"': fputs(""", fp); break; 427 case '\r': break; /* ignore CR */ 428 case '\n': break; /* ignore LF */ 429 default: putc(*s, fp); 430 } 431 } 432 } 433 434 int 435 mkdirp(const char *path) 436 { 437 char tmp[PATH_MAX], *p; 438 439 if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp)) 440 errx(1, "path truncated: '%s'", path); 441 for (p = tmp + (tmp[0] == '/'); *p; p++) { 442 if (*p != '/') 443 continue; 444 *p = '\0'; 445 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 446 return -1; 447 *p = '/'; 448 } 449 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 450 return -1; 451 return 0; 452 } 453 454 void 455 printtimez(FILE *fp, const git_time *intime) 456 { 457 struct tm *intm; 458 time_t t; 459 char out[32]; 460 461 t = (time_t)intime->time; 462 if (!(intm = gmtime(&t))) 463 return; 464 strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm); 465 fputs(out, fp); 466 } 467 468 void 469 printtime(FILE *fp, const git_time *intime) 470 { 471 struct tm *intm; 472 time_t t; 473 char out[32]; 474 475 t = (time_t)intime->time + (intime->offset * 60); 476 if (!(intm = gmtime(&t))) 477 return; 478 strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm); 479 if (intime->offset < 0) 480 fprintf(fp, "%s -%02d%02d", out, 481 -(intime->offset) / 60, -(intime->offset) % 60); 482 else 483 fprintf(fp, "%s +%02d%02d", out, 484 intime->offset / 60, intime->offset % 60); 485 } 486 487 void 488 printtimeshort(FILE *fp, const git_time *intime) 489 { 490 struct tm *intm; 491 time_t t; 492 char out[32]; 493 494 t = (time_t)intime->time; 495 if (!(intm = gmtime(&t))) 496 return; 497 strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm); 498 fputs(out, fp); 499 } 500 501 void 502 writeheader(FILE *fp, const char *title) 503 { 504 fputs("<!DOCTYPE html>\n" 505 "<html>\n<head>\n" 506 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 507 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" 508 "<title>", fp); 509 xmlencode(fp, title, strlen(title)); 510 if (title[0] && strippedname[0]) 511 fputs(" - ", fp); 512 xmlencode(fp, strippedname, strlen(strippedname)); 513 if (description[0]) 514 fputs(" - ", fp); 515 xmlencode(fp, description, strlen(description)); 516 fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", rootpath); 517 fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\"%s Atom Feed\" href=\"%satom.xml\" />\n", 518 name, relpath); 519 fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\"%s Atom Feed (tags)\" href=\"%stags.xml\" />\n", 520 name, relpath); 521 fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", rootpath); 522 fputs("</head>\n<body>\n<table><tr><td id=\"logo\">", fp); 523 fprintf(fp, "<a href=\"../%s\"><img src=\"%slogo.png\" alt=\"\" width=\"50\" height=\"50\" /></a>", 524 relpath, rootpath); 525 526 fputs("</td><td><h1>", fp); 527 xmlencode(fp, strippedname, strlen(strippedname)); 528 fputs("</h1><span class=\"desc\">", fp); 529 xmlencode(fp, description, strlen(description)); 530 fputs(forked, fp); 531 fputs("</span></td></tr>", fp); 532 if (cloneurl[0]) { 533 fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp); 534 xmlencode(fp, cloneurl, strlen(cloneurl)); /* not percent-encoded */ 535 fputs("\">", fp); 536 xmlencode(fp, cloneurl, strlen(cloneurl)); 537 fputs("</a></td></tr>", fp); 538 } 539 fputs("<tr><td></td><td>\n", fp); 540 fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", relpath); 541 fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath); 542 fprintf(fp, "<a href=\"%srefs.html\">Refs</a> | ", relpath); 543 fprintf(fp, "<a href=\"%satom.xml\">Atom</a>", relpath); 544 if (submodules) 545 fprintf(fp, " | <a href=\"%sfile/%s.html\">Submodules</a>", 546 relpath, submodules); 547 if (readme) 548 fprintf(fp, " | <a href=\"%sfile/%s.html\">README</a>", 549 relpath, readme); 550 if (license) 551 fprintf(fp, " | <a href=\"%sfile/%s.html\">LICENSE</a>", 552 relpath, license); 553 fputs("</td></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 checkfileerror(fpfile, path, 'w'); 831 fclose(fpfile); 832 } 833 err: 834 commitinfo_free(ci); 835 } 836 git_revwalk_free(w); 837 838 if (nlogcommits == 0 && remcommits != 0) { 839 fprintf(fp, "<tr><td></td><td colspan=\"5\">" 840 "%zu more commits remaining, fetch the repository" 841 "</td></tr>\n", remcommits); 842 } 843 844 relpath = ""; 845 846 return 0; 847 } 848 849 void 850 printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag) 851 { 852 fputs("<entry>\n", fp); 853 854 fprintf(fp, "<id>%s</id>\n", ci->oid); 855 if (ci->author) { 856 fputs("<published>", fp); 857 printtimez(fp, &(ci->author->when)); 858 fputs("</published>\n", fp); 859 } 860 if (ci->committer) { 861 fputs("<updated>", fp); 862 printtimez(fp, &(ci->committer->when)); 863 fputs("</updated>\n", fp); 864 } 865 if (ci->summary) { 866 fputs("<title>", fp); 867 if (tag && tag[0]) { 868 fputs("[", fp); 869 xmlencode(fp, tag, strlen(tag)); 870 fputs("] ", fp); 871 } 872 xmlencode(fp, ci->summary, strlen(ci->summary)); 873 fputs("</title>\n", fp); 874 } 875 fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n", 876 baseurl, ci->oid); 877 878 if (ci->author) { 879 fputs("<author>\n<name>", fp); 880 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 881 fputs("</name>\n<email>", fp); 882 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 883 fputs("</email>\n</author>\n", fp); 884 } 885 886 fputs("<content>", fp); 887 fprintf(fp, "commit %s\n", ci->oid); 888 if (ci->parentoid[0]) 889 fprintf(fp, "parent %s\n", ci->parentoid); 890 if (ci->author) { 891 fputs("Author: ", fp); 892 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 893 fputs(" <", fp); 894 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 895 fputs(">\nDate: ", fp); 896 printtime(fp, &(ci->author->when)); 897 putc('\n', fp); 898 } 899 if (ci->msg) { 900 putc('\n', fp); 901 xmlencode(fp, ci->msg, strlen(ci->msg)); 902 } 903 fputs("\n</content>\n</entry>\n", fp); 904 } 905 906 int 907 writeatom(FILE *fp, int all) 908 { 909 struct referenceinfo *ris = NULL; 910 size_t refcount = 0; 911 struct commitinfo *ci; 912 git_revwalk *w = NULL; 913 git_oid id; 914 size_t i, m = 100; /* last 'm' commits */ 915 916 fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" 917 "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp); 918 xmlencode(fp, strippedname, strlen(strippedname)); 919 fputs(", branch HEAD</title>\n<subtitle>", fp); 920 xmlencode(fp, description, strlen(description)); 921 fputs(forked, fp); 922 fputs("</subtitle>\n", fp); 923 924 /* all commits or only tags? */ 925 if (all) { 926 git_revwalk_new(&w, repo); 927 git_revwalk_push_head(w); 928 for (i = 0; i < m && !git_revwalk_next(&id, w); i++) { 929 if (!(ci = commitinfo_getbyoid(&id))) 930 break; 931 printcommitatom(fp, ci, ""); 932 commitinfo_free(ci); 933 } 934 git_revwalk_free(w); 935 } else if (getrefs(&ris, &refcount) != -1) { 936 /* references: tags */ 937 for (i = 0; i < refcount; i++) { 938 if (git_reference_is_tag(ris[i].ref)) 939 printcommitatom(fp, ris[i].ci, 940 git_reference_shorthand(ris[i].ref)); 941 942 commitinfo_free(ris[i].ci); 943 git_reference_free(ris[i].ref); 944 } 945 free(ris); 946 } 947 948 fputs("</feed>\n", fp); 949 950 return 0; 951 } 952 953 size_t 954 writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize) 955 { 956 char tmp[PATH_MAX] = "", *d; 957 const char *p; 958 size_t lc = 0; 959 FILE *fp; 960 961 if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp)) 962 errx(1, "path truncated: '%s'", fpath); 963 if (!(d = dirname(tmp))) 964 err(1, "dirname"); 965 if (mkdirp(d)) 966 return -1; 967 968 for (p = fpath, tmp[0] = '\0'; *p; p++) { 969 if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp)) 970 errx(1, "path truncated: '../%s'", tmp); 971 } 972 relpath = tmp; 973 974 fp = efopen(fpath, "w"); 975 writeheader(fp, filename); 976 fputs("<p> ", fp); 977 xmlencode(fp, filename, strlen(filename)); 978 fprintf(fp, " (%zuB)", filesize); 979 fputs("</p><hr/>", fp); 980 981 if (git_blob_is_binary((git_blob *)obj)) 982 fputs("<p>Binary file.</p>\n", fp); 983 else 984 lc = writeblobhtml(fp, (git_blob *)obj); 985 986 writefooter(fp); 987 checkfileerror(fp, fpath, 'w'); 988 fclose(fp); 989 990 relpath = ""; 991 992 return lc; 993 } 994 995 const char * 996 filemode(git_filemode_t m) 997 { 998 static char mode[11]; 999 1000 memset(mode, '-', sizeof(mode) - 1); 1001 mode[10] = '\0'; 1002 1003 if (S_ISREG(m)) 1004 mode[0] = '-'; 1005 else if (S_ISBLK(m)) 1006 mode[0] = 'b'; 1007 else if (S_ISCHR(m)) 1008 mode[0] = 'c'; 1009 else if (S_ISDIR(m)) 1010 mode[0] = 'd'; 1011 else if (S_ISFIFO(m)) 1012 mode[0] = 'p'; 1013 else if (S_ISLNK(m)) 1014 mode[0] = 'l'; 1015 else if (S_ISSOCK(m)) 1016 mode[0] = 's'; 1017 else 1018 mode[0] = '?'; 1019 1020 if (m & S_IRUSR) mode[1] = 'r'; 1021 if (m & S_IWUSR) mode[2] = 'w'; 1022 if (m & S_IXUSR) mode[3] = 'x'; 1023 if (m & S_IRGRP) mode[4] = 'r'; 1024 if (m & S_IWGRP) mode[5] = 'w'; 1025 if (m & S_IXGRP) mode[6] = 'x'; 1026 if (m & S_IROTH) mode[7] = 'r'; 1027 if (m & S_IWOTH) mode[8] = 'w'; 1028 if (m & S_IXOTH) mode[9] = 'x'; 1029 1030 if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S'; 1031 if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S'; 1032 if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T'; 1033 1034 return mode; 1035 } 1036 1037 int 1038 writefilestree(FILE *fp, git_tree *tree, const char *path) 1039 { 1040 const git_tree_entry *entry = NULL; 1041 git_object *obj = NULL; 1042 const char *entryname; 1043 char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8]; 1044 size_t count, i, lc, filesize; 1045 int r, ret; 1046 1047 count = git_tree_entrycount(tree); 1048 for (i = 0; i < count; i++) { 1049 if (!(entry = git_tree_entry_byindex(tree, i)) || 1050 !(entryname = git_tree_entry_name(entry))) 1051 return -1; 1052 joinpath(entrypath, sizeof(entrypath), path, entryname); 1053 1054 r = snprintf(filepath, sizeof(filepath), "file/%s.html", 1055 entrypath); 1056 if (r < 0 || (size_t)r >= sizeof(filepath)) 1057 errx(1, "path truncated: 'file/%s.html'", entrypath); 1058 1059 if (!git_tree_entry_to_object(&obj, repo, entry)) { 1060 switch (git_object_type(obj)) { 1061 case GIT_OBJ_BLOB: 1062 break; 1063 case GIT_OBJ_TREE: 1064 /* NOTE: recurses */ 1065 ret = writefilestree(fp, (git_tree *)obj, 1066 entrypath); 1067 git_object_free(obj); 1068 if (ret) 1069 return ret; 1070 continue; 1071 default: 1072 git_object_free(obj); 1073 continue; 1074 } 1075 1076 filesize = git_blob_rawsize((git_blob *)obj); 1077 lc = writeblob(obj, filepath, entryname, filesize); 1078 1079 fputs("<tr><td>", fp); 1080 fputs(filemode(git_tree_entry_filemode(entry)), fp); 1081 fprintf(fp, "</td><td><a href=\"%s", relpath); 1082 percentencode(fp, filepath, strlen(filepath)); 1083 fputs("\">", fp); 1084 xmlencode(fp, entrypath, strlen(entrypath)); 1085 fputs("</a></td><td class=\"num\" align=\"right\">", fp); 1086 if (lc > 0) 1087 fprintf(fp, "%zuL", lc); 1088 else 1089 fprintf(fp, "%zuB", filesize); 1090 fputs("</td></tr>\n", fp); 1091 git_object_free(obj); 1092 } else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) { 1093 /* commit object in tree is a submodule */ 1094 fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">", 1095 relpath); 1096 xmlencode(fp, entrypath, strlen(entrypath)); 1097 fputs("</a> @ ", fp); 1098 git_oid_tostr(oid, sizeof(oid), git_tree_entry_id(entry)); 1099 xmlencode(fp, oid, strlen(oid)); 1100 fputs("</td><td class=\"num\" align=\"right\"></td></tr>\n", fp); 1101 } 1102 } 1103 1104 return 0; 1105 } 1106 1107 int 1108 writefiles(FILE *fp, const git_oid *id) 1109 { 1110 git_tree *tree = NULL; 1111 git_commit *commit = NULL; 1112 int ret = -1; 1113 1114 fputs("<table id=\"files\"><thead>\n<tr>" 1115 "<td><b>Mode</b></td><td><b>Name</b></td>" 1116 "<td class=\"num\" align=\"right\"><b>Size</b></td>" 1117 "</tr>\n</thead><tbody>\n", fp); 1118 1119 if (!git_commit_lookup(&commit, repo, id) && 1120 !git_commit_tree(&tree, commit)) 1121 ret = writefilestree(fp, tree, ""); 1122 1123 fputs("</tbody></table>", fp); 1124 1125 git_commit_free(commit); 1126 git_tree_free(tree); 1127 1128 return ret; 1129 } 1130 1131 int 1132 writerefs(FILE *fp) 1133 { 1134 struct referenceinfo *ris = NULL; 1135 struct commitinfo *ci; 1136 size_t count, i, j, refcount; 1137 const char *titles[] = { "Branches", "Tags" }; 1138 const char *ids[] = { "branches", "tags" }; 1139 const char *s; 1140 1141 if (getrefs(&ris, &refcount) == -1) 1142 return -1; 1143 1144 for (i = 0, j = 0, count = 0; i < refcount; i++) { 1145 if (j == 0 && git_reference_is_tag(ris[i].ref)) { 1146 if (count) 1147 fputs("</tbody></table><br/>\n", fp); 1148 count = 0; 1149 j = 1; 1150 } 1151 1152 /* print header if it has an entry (first). */ 1153 if (++count == 1) { 1154 fprintf(fp, "<h2>%s</h2><table id=\"%s\">" 1155 "<thead>\n<tr><td><b>Name</b></td>" 1156 "<td><b>Last commit date</b></td>" 1157 "<td><b>Author</b></td>\n</tr>\n" 1158 "</thead><tbody>\n", 1159 titles[j], ids[j]); 1160 } 1161 1162 ci = ris[i].ci; 1163 s = git_reference_shorthand(ris[i].ref); 1164 1165 fputs("<tr><td>", fp); 1166 xmlencode(fp, s, strlen(s)); 1167 fputs("</td><td>", fp); 1168 if (ci->author) 1169 printtimeshort(fp, &(ci->author->when)); 1170 fputs("</td><td>", fp); 1171 if (ci->author) 1172 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1173 fputs("</td></tr>\n", fp); 1174 } 1175 /* table footer */ 1176 if (count) 1177 fputs("</tbody></table><br/>\n", fp); 1178 1179 for (i = 0; i < refcount; i++) { 1180 commitinfo_free(ris[i].ci); 1181 git_reference_free(ris[i].ref); 1182 } 1183 free(ris); 1184 1185 return 0; 1186 } 1187 1188 void 1189 writeindex(FILE *fp) 1190 { 1191 fprintf(fp, "<html><head><meta http-equiv=\"Refresh\" content=\"0; url='/%s/log.html'\" /></head><body><p>redirecting to log...</p></html>", name); 1192 } 1193 1194 void 1195 usage(char *argv0) 1196 { 1197 fprintf(stderr, "usage: %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 char url[100]; 1212 size_t n; 1213 int i, fd; 1214 1215 for (i = 1; i < argc; i++) { 1216 if (argv[i][0] != '-') { 1217 if (repodir) 1218 usage(argv[0]); 1219 repodir = argv[i]; 1220 } else if (argv[i][1] == 'c') { 1221 if (nlogcommits > 0 || i + 1 >= argc) 1222 usage(argv[0]); 1223 cachefile = argv[++i]; 1224 } else if (argv[i][1] == 'l') { 1225 if (cachefile || i + 1 >= argc) 1226 usage(argv[0]); 1227 errno = 0; 1228 nlogcommits = strtoll(argv[++i], &p, 10); 1229 if (argv[i][0] == '\0' || *p != '\0' || 1230 nlogcommits <= 0 || errno) 1231 usage(argv[0]); 1232 } else if (argv[i][1] == 'u') { 1233 if (i + 1 >= argc) 1234 usage(argv[0]); 1235 baseurl = argv[++i]; 1236 } 1237 } 1238 if (!repodir) 1239 usage(argv[0]); 1240 1241 if (!realpath(repodir, repodirabs)) 1242 err(1, "realpath"); 1243 1244 /* do not search outside the git repository: 1245 GIT_CONFIG_LEVEL_APP is the highest level currently */ 1246 git_libgit2_init(); 1247 for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++) 1248 git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, ""); 1249 /* do not require the git repository to be owned by the current user */ 1250 git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0); 1251 1252 #ifdef __OpenBSD__ 1253 if (unveil(repodir, "r") == -1) 1254 err(1, "unveil: %s", repodir); 1255 if (unveil(".", "rwc") == -1) 1256 err(1, "unveil: ."); 1257 if (cachefile && unveil(cachefile, "rwc") == -1) 1258 err(1, "unveil: %s", cachefile); 1259 1260 if (cachefile) { 1261 if (pledge("stdio rpath wpath cpath fattr", NULL) == -1) 1262 err(1, "pledge"); 1263 } else { 1264 if (pledge("stdio rpath wpath cpath", NULL) == -1) 1265 err(1, "pledge"); 1266 } 1267 #endif 1268 1269 if (git_repository_open_ext(&repo, repodir, 1270 GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) { 1271 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 1272 return 1; 1273 } 1274 1275 /* find HEAD */ 1276 if (!git_revparse_single(&obj, repo, "HEAD")) 1277 head = git_object_id(obj); 1278 git_object_free(obj); 1279 1280 /* use directory name as name */ 1281 if ((name = strrchr(repodirabs, '/'))) 1282 name++; 1283 else 1284 name = ""; 1285 1286 /* strip .git suffix */ 1287 if (!(strippedname = strdup(name))) 1288 err(1, "strdup"); 1289 if ((p = strrchr(strippedname, '.'))) 1290 if (!strcmp(p, ".git")) 1291 *p = '\0'; 1292 1293 /* read description or .git/description */ 1294 joinpath(path, sizeof(path), repodir, "description"); 1295 if (!(fpread = fopen(path, "r"))) { 1296 joinpath(path, sizeof(path), repodir, ".git/description"); 1297 fpread = fopen(path, "r"); 1298 } 1299 if (fpread) { 1300 if (!fgets(description, sizeof(description), fpread)) 1301 description[0] = '\0'; 1302 checkfileerror(fpread, path, 'r'); 1303 fclose(fpread); 1304 } 1305 1306 /* read .git/fork */ 1307 joinpath(path, sizeof(path), repodir, ".git/fork"); 1308 if (fpread = fopen(path, "r")) { 1309 if (fgets(url, sizeof(url), fpread)) { 1310 if (strlen(url) > 0 && strlen(description) == 0) 1311 snprintf(forked, 127, "forked from <a href=\"%s\">%s</a>", url, url); 1312 else if (strlen(url) > 0) 1313 snprintf(forked, 127, "- forked from <a href=\"%s\">%s</a>", url, url); 1314 } 1315 } 1316 1317 /* read url or .git/url */ 1318 joinpath(path, sizeof(path), repodir, "url"); 1319 if (!(fpread = fopen(path, "r"))) { 1320 joinpath(path, sizeof(path), repodir, ".git/url"); 1321 fpread = fopen(path, "r"); 1322 } 1323 if (fpread) { 1324 if (!fgets(cloneurl, sizeof(cloneurl), fpread)) 1325 cloneurl[0] = '\0'; 1326 checkfileerror(fpread, path, 'r'); 1327 fclose(fpread); 1328 cloneurl[strcspn(cloneurl, "\n")] = '\0'; 1329 } 1330 1331 /* check LICENSE */ 1332 for (i = 0; i < LEN(licensefiles) && !license; i++) { 1333 if (!git_revparse_single(&obj, repo, licensefiles[i]) && 1334 git_object_type(obj) == GIT_OBJ_BLOB) 1335 license = licensefiles[i] + strlen("HEAD:"); 1336 git_object_free(obj); 1337 } 1338 1339 /* check README */ 1340 for (i = 0; i < LEN(readmefiles) && !readme; i++) { 1341 if (!git_revparse_single(&obj, repo, readmefiles[i]) && 1342 git_object_type(obj) == GIT_OBJ_BLOB) 1343 readme = readmefiles[i] + strlen("HEAD:"); 1344 git_object_free(obj); 1345 } 1346 1347 if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") && 1348 git_object_type(obj) == GIT_OBJ_BLOB) 1349 submodules = ".gitmodules"; 1350 git_object_free(obj); 1351 1352 /* log for HEAD */ 1353 fp = efopen("log.html", "w"); 1354 relpath = ""; 1355 mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO); 1356 writeheader(fp, "Log"); 1357 fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>" 1358 "<td><b>Commit message</b></td>" 1359 "<td><b>Author</b></td><td class=\"num\" align=\"right\"><b>Files</b></td>" 1360 "<td class=\"num\" align=\"right\"><b>+</b></td>" 1361 "<td class=\"num\" align=\"right\"><b>-</b></td></tr>\n</thead><tbody>\n", fp); 1362 1363 if (cachefile && head) { 1364 /* read from cache file (does not need to exist) */ 1365 if ((rcachefp = fopen(cachefile, "r"))) { 1366 if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp)) 1367 errx(1, "%s: no object id", cachefile); 1368 if (git_oid_fromstr(&lastoid, lastoidstr)) 1369 errx(1, "%s: invalid object id", cachefile); 1370 } 1371 1372 /* write log to (temporary) cache */ 1373 if ((fd = mkstemp(tmppath)) == -1) 1374 err(1, "mkstemp"); 1375 if (!(wcachefp = fdopen(fd, "w"))) 1376 err(1, "fdopen: '%s'", tmppath); 1377 /* write last commit id (HEAD) */ 1378 git_oid_tostr(buf, sizeof(buf), head); 1379 fprintf(wcachefp, "%s\n", buf); 1380 1381 writelog(fp, head); 1382 1383 if (rcachefp) { 1384 /* append previous log to log.html and the new cache */ 1385 while (!feof(rcachefp)) { 1386 n = fread(buf, 1, sizeof(buf), rcachefp); 1387 if (ferror(rcachefp)) 1388 break; 1389 if (fwrite(buf, 1, n, fp) != n || 1390 fwrite(buf, 1, n, wcachefp) != n) 1391 break; 1392 } 1393 checkfileerror(rcachefp, cachefile, 'r'); 1394 fclose(rcachefp); 1395 } 1396 checkfileerror(wcachefp, tmppath, 'w'); 1397 fclose(wcachefp); 1398 } else { 1399 if (head) 1400 writelog(fp, head); 1401 } 1402 1403 fputs("</tbody></table>", fp); 1404 writefooter(fp); 1405 checkfileerror(fp, "log.html", 'w'); 1406 fclose(fp); 1407 1408 /* files for HEAD */ 1409 fp = efopen("files.html", "w"); 1410 writeheader(fp, "Files"); 1411 if (head) 1412 writefiles(fp, head); 1413 writefooter(fp); 1414 checkfileerror(fp, "files.html", 'w'); 1415 fclose(fp); 1416 1417 /* summary page with branches and tags */ 1418 fp = efopen("refs.html", "w"); 1419 writeheader(fp, "Refs"); 1420 writerefs(fp); 1421 writefooter(fp); 1422 checkfileerror(fp, "refs.html", 'w'); 1423 fclose(fp); 1424 1425 /* Atom feed */ 1426 fp = efopen("atom.xml", "w"); 1427 writeatom(fp, 1); 1428 checkfileerror(fp, "atom.xml", 'w'); 1429 fclose(fp); 1430 1431 /* Atom feed for tags / releases */ 1432 fp = efopen("tags.xml", "w"); 1433 writeatom(fp, 0); 1434 checkfileerror(fp, "tags.xml", 'w'); 1435 fclose(fp); 1436 1437 /* index redirect page */ 1438 fp = efopen("index.html", "w"); 1439 writeindex(fp); 1440 checkfileerror(fp, "index.html", 'w'); 1441 fclose(fp); 1442 1443 /* rename new cache file on success */ 1444 if (cachefile && head) { 1445 if (rename(tmppath, cachefile)) 1446 err(1, "rename: '%s' to '%s'", tmppath, cachefile); 1447 umask((mask = umask(0))); 1448 if (chmod(cachefile, 1449 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask)) 1450 err(1, "chmod: '%s'", cachefile); 1451 } 1452 1453 /* cleanup */ 1454 git_repository_free(repo); 1455 git_libgit2_shutdown(); 1456 1457 return 0; 1458 }