stagit.c (39977B)
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 static char * const default_style = 77 "body {\n" 78 " color: #000;\n" 79 " background-color: #fff;\n" 80 " font-family: monospace;\n" 81 "}\n" 82 "\n" 83 "h1, h2, h3, h4, h5, h6 {\n" 84 " font-size: 1em;\n" 85 " margin: 0;\n" 86 "}\n" 87 "\n" 88 "img, svg, h1, h2 {\n" 89 " vertical-align: middle;\n" 90 "}\n" 91 "\n" 92 "img {\n" 93 " border: 0;\n" 94 "}\n" 95 "\n" 96 "a:target {\n" 97 " background-color: #ccc;\n" 98 "}\n" 99 "\n" 100 "a.d,\n" 101 "a.h,\n" 102 "a.i,\n" 103 "a.line {\n" 104 " text-decoration: none;\n" 105 "}\n" 106 "\n" 107 "#blob a {\n" 108 " color: #555;\n" 109 "}\n" 110 " \n" 111 "#blob a:hover {\n" 112 " color: blue;\n" 113 " text-decoration: none;\n" 114 "}\n" 115 " \n" 116 "table thead td {\n" 117 " font-weight: bold;\n" 118 "}\n" 119 "\n" 120 "table td {\n" 121 " padding: 0 0.4em;\n" 122 "}\n" 123 "\n" 124 "#content table td {\n" 125 " vertical-align: top;\n" 126 " white-space: nowrap;\n" 127 "}\n" 128 " \n" 129 "#branches tr:hover td,\n" 130 "#tags tr:hover td,\n" 131 "#index tr:hover td,\n" 132 "#log tr:hover td,\n" 133 "#files tr:hover td {\n" 134 " background-color: #eee;\n" 135 "}\n" 136 " \n" 137 "#index tr td:nth-child(2),\n" 138 "#tags tr td:nth-child(3),\n" 139 "#branches tr td:nth-child(3),\n" 140 "#log tr td:nth-child(2) {\n" 141 " white-space: normal;\n" 142 "}\n" 143 " \n" 144 "td.num {\n" 145 " text-align: right;\n" 146 "}\n" 147 " \n" 148 ".desc {\n" 149 " color: #555;\n" 150 "}\n" 151 "\n" 152 "hr {\n" 153 " border: 0;\n" 154 " border-top: 1px solid #555;\n" 155 " height: 1px;\n" 156 "}\n" 157 "\n" 158 "pre {\n" 159 " font-family: monospace;\n" 160 "}\n" 161 "\n" 162 "pre a.h {\n" 163 " color: #00a;\n" 164 "}\n" 165 "\n" 166 ".A,\n" 167 "span.i,\n" 168 "pre a.i {\n" 169 " color: #070;\n" 170 "}\n" 171 "\n" 172 ".D,\n" 173 "span.d,\n" 174 "pre a.d {\n" 175 " color: #e00;\n" 176 "}\n" 177 "\n" 178 "pre a.h:hover,\n" 179 "pre a.i:hover,\n" 180 "pre a.d:hover {\n" 181 " text-decoration: none;\n" 182 "}\n" 183 "\n" 184 "@media (prefers-color-scheme: dark) {\n" 185 " body {\n" 186 " background-color: #000;\n" 187 " color: #bdbdbd;\n" 188 " }\n" 189 " hr {\n" 190 " border-color: #222;\n" 191 " }\n" 192 " a {\n" 193 " color: #56c8ff;\n" 194 " }\n" 195 " a:target {\n" 196 " background-color: #222;\n" 197 " }\n" 198 " .desc {\n" 199 " color: #aaa;\n" 200 " }\n" 201 " #blob a {\n" 202 " color: #555;\n" 203 " }\n" 204 " #blob a:target {\n" 205 " color: #eee;\n" 206 " }\n" 207 " #blob a:hover {\n" 208 " color: #56c8ff;\n" 209 " }\n" 210 " pre a.h {\n" 211 " color: #00cdcd;\n" 212 " }\n" 213 " .A,\n" 214 " span.i,\n" 215 " pre a.i {\n" 216 " color: #00cd00;\n" 217 " }\n" 218 " .D,\n" 219 " span.d,\n" 220 " pre a.d {\n" 221 " color: #cd0000;\n" 222 " }\n" 223 " #branches tr:hover td,\n" 224 " #tags tr:hover td,\n" 225 " #index tr:hover td,\n" 226 " #log tr:hover td,\n" 227 " #files tr:hover td {\n" 228 " background-color: #111;\n" 229 " }\n" 230 "}\n"; 231 static char *stylefile; 232 static char *style = default_style; 233 234 /* cache */ 235 static git_oid lastoid; 236 static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + NUL byte */ 237 static FILE *rcachefp, *wcachefp; 238 static const char *cachefile; 239 240 /* Handle read or write errors for a FILE * stream */ 241 void 242 checkfileerror(FILE *fp, const char *name, int mode) 243 { 244 if (mode == 'r' && ferror(fp)) 245 errx(1, "read error: %s", name); 246 else if (mode == 'w' && (fflush(fp) || ferror(fp))) 247 errx(1, "write error: %s", name); 248 } 249 250 void 251 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 252 { 253 int r; 254 255 r = snprintf(buf, bufsiz, "%s%s%s", 256 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 257 if (r < 0 || (size_t)r >= bufsiz) 258 errx(1, "path truncated: '%s%s%s'", 259 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 260 } 261 262 void 263 deltainfo_free(struct deltainfo *di) 264 { 265 if (!di) 266 return; 267 git_patch_free(di->patch); 268 memset(di, 0, sizeof(*di)); 269 free(di); 270 } 271 272 int 273 commitinfo_getstats(struct commitinfo *ci) 274 { 275 struct deltainfo *di; 276 git_diff_options opts; 277 git_diff_find_options fopts; 278 const git_diff_delta *delta; 279 const git_diff_hunk *hunk; 280 const git_diff_line *line; 281 git_patch *patch = NULL; 282 size_t ndeltas, nhunks, nhunklines; 283 size_t i, j, k; 284 285 if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) 286 goto err; 287 if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { 288 if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { 289 ci->parent = NULL; 290 ci->parent_tree = NULL; 291 } 292 } 293 294 git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); 295 opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH | 296 GIT_DIFF_IGNORE_SUBMODULES | 297 GIT_DIFF_INCLUDE_TYPECHANGE; 298 if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) 299 goto err; 300 301 if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION)) 302 goto err; 303 /* find renames and copies, exact matches (no heuristic) for renames. */ 304 fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES | 305 GIT_DIFF_FIND_EXACT_MATCH_ONLY; 306 if (git_diff_find_similar(ci->diff, &fopts)) 307 goto err; 308 309 ndeltas = git_diff_num_deltas(ci->diff); 310 if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *)))) 311 err(1, "calloc"); 312 313 for (i = 0; i < ndeltas; i++) { 314 if (git_patch_from_diff(&patch, ci->diff, i)) 315 goto err; 316 317 if (!(di = calloc(1, sizeof(struct deltainfo)))) 318 err(1, "calloc"); 319 di->patch = patch; 320 ci->deltas[i] = di; 321 322 delta = git_patch_get_delta(patch); 323 324 /* skip stats for binary data */ 325 if (delta->flags & GIT_DIFF_FLAG_BINARY) 326 continue; 327 328 nhunks = git_patch_num_hunks(patch); 329 for (j = 0; j < nhunks; j++) { 330 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 331 break; 332 for (k = 0; ; k++) { 333 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 334 break; 335 if (line->old_lineno == -1) { 336 di->addcount++; 337 ci->addcount++; 338 } else if (line->new_lineno == -1) { 339 di->delcount++; 340 ci->delcount++; 341 } 342 } 343 } 344 } 345 ci->ndeltas = i; 346 ci->filecount = i; 347 348 return 0; 349 350 err: 351 git_diff_free(ci->diff); 352 ci->diff = NULL; 353 git_tree_free(ci->commit_tree); 354 ci->commit_tree = NULL; 355 git_tree_free(ci->parent_tree); 356 ci->parent_tree = NULL; 357 git_commit_free(ci->parent); 358 ci->parent = NULL; 359 360 if (ci->deltas) 361 for (i = 0; i < ci->ndeltas; i++) 362 deltainfo_free(ci->deltas[i]); 363 free(ci->deltas); 364 ci->deltas = NULL; 365 ci->ndeltas = 0; 366 ci->addcount = 0; 367 ci->delcount = 0; 368 ci->filecount = 0; 369 370 return -1; 371 } 372 373 void 374 commitinfo_free(struct commitinfo *ci) 375 { 376 size_t i; 377 378 if (!ci) 379 return; 380 if (ci->deltas) 381 for (i = 0; i < ci->ndeltas; i++) 382 deltainfo_free(ci->deltas[i]); 383 384 free(ci->deltas); 385 git_diff_free(ci->diff); 386 git_tree_free(ci->commit_tree); 387 git_tree_free(ci->parent_tree); 388 git_commit_free(ci->commit); 389 git_commit_free(ci->parent); 390 memset(ci, 0, sizeof(*ci)); 391 free(ci); 392 } 393 394 struct commitinfo * 395 commitinfo_getbyoid(const git_oid *id) 396 { 397 struct commitinfo *ci; 398 399 if (!(ci = calloc(1, sizeof(struct commitinfo)))) 400 err(1, "calloc"); 401 402 if (git_commit_lookup(&(ci->commit), repo, id)) 403 goto err; 404 ci->id = id; 405 406 git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit)); 407 git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0)); 408 409 ci->author = git_commit_author(ci->commit); 410 ci->committer = git_commit_committer(ci->commit); 411 ci->summary = git_commit_summary(ci->commit); 412 ci->msg = git_commit_message(ci->commit); 413 414 return ci; 415 416 err: 417 commitinfo_free(ci); 418 419 return NULL; 420 } 421 422 int 423 refs_cmp(const void *v1, const void *v2) 424 { 425 const struct referenceinfo *r1 = v1, *r2 = v2; 426 time_t t1, t2; 427 int r; 428 429 if ((r = git_reference_is_tag(r1->ref) - git_reference_is_tag(r2->ref))) 430 return r; 431 432 t1 = r1->ci->author ? r1->ci->author->when.time : 0; 433 t2 = r2->ci->author ? r2->ci->author->when.time : 0; 434 if ((r = t1 > t2 ? -1 : (t1 == t2 ? 0 : 1))) 435 return r; 436 437 return strcmp(git_reference_shorthand(r1->ref), 438 git_reference_shorthand(r2->ref)); 439 } 440 441 int 442 getrefs(struct referenceinfo **pris, size_t *prefcount) 443 { 444 struct referenceinfo *ris = NULL; 445 struct commitinfo *ci = NULL; 446 git_reference_iterator *it = NULL; 447 const git_oid *id = NULL; 448 git_object *obj = NULL; 449 git_reference *dref = NULL, *r, *ref = NULL; 450 size_t i, refcount; 451 452 *pris = NULL; 453 *prefcount = 0; 454 455 if (git_reference_iterator_new(&it, repo)) 456 return -1; 457 458 for (refcount = 0; !git_reference_next(&ref, it); ) { 459 if (!git_reference_is_branch(ref) && !git_reference_is_tag(ref)) { 460 git_reference_free(ref); 461 ref = NULL; 462 continue; 463 } 464 465 switch (git_reference_type(ref)) { 466 case GIT_REF_SYMBOLIC: 467 if (git_reference_resolve(&dref, ref)) 468 goto err; 469 r = dref; 470 break; 471 case GIT_REF_OID: 472 r = ref; 473 break; 474 default: 475 continue; 476 } 477 if (!git_reference_target(r) || 478 git_reference_peel(&obj, r, GIT_OBJ_ANY)) 479 goto err; 480 if (!(id = git_object_id(obj))) 481 goto err; 482 if (!(ci = commitinfo_getbyoid(id))) 483 break; 484 485 if (!(ris = reallocarray(ris, refcount + 1, sizeof(*ris)))) 486 err(1, "realloc"); 487 ris[refcount].ci = ci; 488 ris[refcount].ref = r; 489 refcount++; 490 491 git_object_free(obj); 492 obj = NULL; 493 git_reference_free(dref); 494 dref = NULL; 495 } 496 git_reference_iterator_free(it); 497 498 /* sort by type, date then shorthand name */ 499 qsort(ris, refcount, sizeof(*ris), refs_cmp); 500 501 *pris = ris; 502 *prefcount = refcount; 503 504 return 0; 505 506 err: 507 git_object_free(obj); 508 git_reference_free(dref); 509 commitinfo_free(ci); 510 for (i = 0; i < refcount; i++) { 511 commitinfo_free(ris[i].ci); 512 git_reference_free(ris[i].ref); 513 } 514 free(ris); 515 516 return -1; 517 } 518 519 FILE * 520 efopen(const char *filename, const char *flags) 521 { 522 FILE *fp; 523 524 if (!(fp = fopen(filename, flags))) 525 err(1, "fopen: '%s'", filename); 526 527 return fp; 528 } 529 530 /* Percent-encode, see RFC3986 section 2.1. */ 531 void 532 percentencode(FILE *fp, const char *s, size_t len) 533 { 534 static char tab[] = "0123456789ABCDEF"; 535 unsigned char uc; 536 size_t i; 537 538 for (i = 0; *s && i < len; s++, i++) { 539 uc = *s; 540 /* NOTE: do not encode '/' for paths or ",-." */ 541 if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || 542 uc == '[' || uc == ']') { 543 putc('%', fp); 544 putc(tab[(uc >> 4) & 0x0f], fp); 545 putc(tab[uc & 0x0f], fp); 546 } else { 547 putc(uc, fp); 548 } 549 } 550 } 551 552 /* Escape characters below as HTML 2.0 / XML 1.0. */ 553 void 554 xmlencode(FILE *fp, const char *s, size_t len) 555 { 556 size_t i; 557 558 for (i = 0; *s && i < len; s++, i++) { 559 switch(*s) { 560 case '<': fputs("<", fp); break; 561 case '>': fputs(">", fp); break; 562 case '\'': fputs("'", fp); break; 563 case '&': fputs("&", fp); break; 564 case '"': fputs(""", fp); break; 565 default: putc(*s, fp); 566 } 567 } 568 } 569 570 /* Escape characters below as HTML 2.0 / XML 1.0, ignore printing '\r', '\n' */ 571 void 572 xmlencodeline(FILE *fp, const char *s, size_t len) 573 { 574 size_t i; 575 576 for (i = 0; *s && i < len; s++, i++) { 577 switch(*s) { 578 case '<': fputs("<", fp); break; 579 case '>': fputs(">", fp); break; 580 case '\'': fputs("'", fp); break; 581 case '&': fputs("&", fp); break; 582 case '"': fputs(""", fp); break; 583 case '\r': break; /* ignore CR */ 584 case '\n': break; /* ignore LF */ 585 default: putc(*s, fp); 586 } 587 } 588 } 589 590 int 591 mkdirp(const char *path) 592 { 593 char tmp[PATH_MAX], *p; 594 595 if (strlcpy(tmp, path, sizeof(tmp)) >= sizeof(tmp)) 596 errx(1, "path truncated: '%s'", path); 597 for (p = tmp + (tmp[0] == '/'); *p; p++) { 598 if (*p != '/') 599 continue; 600 *p = '\0'; 601 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 602 return -1; 603 *p = '/'; 604 } 605 if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) 606 return -1; 607 return 0; 608 } 609 610 void 611 printtimez(FILE *fp, const git_time *intime) 612 { 613 struct tm *intm; 614 time_t t; 615 char out[32]; 616 617 t = (time_t)intime->time; 618 if (!(intm = gmtime(&t))) 619 return; 620 strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm); 621 fputs(out, fp); 622 } 623 624 void 625 printtime(FILE *fp, const git_time *intime) 626 { 627 struct tm *intm; 628 time_t t; 629 char out[32]; 630 631 t = (time_t)intime->time + (intime->offset * 60); 632 if (!(intm = gmtime(&t))) 633 return; 634 strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm); 635 if (intime->offset < 0) 636 fprintf(fp, "%s -%02d%02d", out, 637 -(intime->offset) / 60, -(intime->offset) % 60); 638 else 639 fprintf(fp, "%s +%02d%02d", out, 640 intime->offset / 60, intime->offset % 60); 641 } 642 643 void 644 printtimeshort(FILE *fp, const git_time *intime) 645 { 646 struct tm *intm; 647 time_t t; 648 char out[32]; 649 650 t = (time_t)intime->time; 651 if (!(intm = gmtime(&t))) 652 return; 653 strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm); 654 fputs(out, fp); 655 } 656 657 void 658 writeheader(FILE *fp, const char *title) 659 { 660 fputs("<!DOCTYPE html>\n" 661 "<html>\n<head>\n" 662 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 663 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" 664 "<title>", fp); 665 xmlencode(fp, title, strlen(title)); 666 if (title[0] && strippedname[0]) 667 fputs(" - ", fp); 668 xmlencode(fp, strippedname, strlen(strippedname)); 669 if (description[0]) 670 fputs(" - ", fp); 671 xmlencode(fp, description, strlen(description)); 672 fprintf(fp, 673 "</title>\n" 674 "<link rel=\"apple-touch-icon\" sizes=\"180x180\" href=\"/icons/apple-touch-icon.png\">\n" 675 "<link rel=\"icon\" type=\"image/png\" sizes=\"32x32\" href=\"/icons/favicon-32x32.png\">\n" 676 "<link rel=\"icon\" type=\"image/png\" sizes=\"16x16\" href=\"/icons/favicon-16x16.png\">\n" 677 "<link rel=\"manifest\" href=\"/icons/site.webmanifest\">\n" 678 "<link rel=\"mask-icon\" href=\"/icons/safari-pinned-tab.svg\" color=\"#ffb6c1\">\n" 679 "<link rel=\"shortcut icon\" href=\"/icons/favicon.ico\">\n" 680 "<meta name=\"msapplication-TileColor\" content=\"#603cba\">\n" 681 "<meta name=\"msapplication-config\" content=\"/icons/browserconfig.xml\">\n" 682 "<meta name=\"theme-color\" content=\"#ffffff\">\n"); 683 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 684 xmlencode(fp, name, strlen(name)); 685 fprintf(fp, " Atom Feed\" href=\"%satom.xml\" />\n", relpath); 686 fputs("<link rel=\"alternate\" type=\"application/atom+xml\" title=\"", fp); 687 xmlencode(fp, name, strlen(name)); 688 fprintf(fp, " Atom Feed (tags)\" href=\"%stags.xml\" />\n", relpath); 689 fputs("<style>\n", fp); 690 fputs(style, fp); 691 fputs("</style>\n", fp); 692 fputs("</head>\n<body>\n<table><tr><td>", fp); 693 fprintf(fp, "<a href=\"../%s\"><svg height=\"32px\" width=\"32px\" xmlns=\"http://www.w3.org/2000/svg\"><circle r=\"16\" cx=\"16\" cy=\"16\" fill=\"lightpink\"></circle></svg></a>", relpath); 694 fputs("</td><td><h1>", fp); 695 xmlencode(fp, strippedname, strlen(strippedname)); 696 fputs("</h1><span class=\"desc\">", fp); 697 xmlencode(fp, description, strlen(description)); 698 fputs("</span></td></tr>", fp); 699 if (cloneurl[0]) { 700 fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp); 701 xmlencode(fp, cloneurl, strlen(cloneurl)); /* not percent-encoded */ 702 fputs("\">", fp); 703 xmlencode(fp, cloneurl, strlen(cloneurl)); 704 fputs("</a></td></tr>", fp); 705 } 706 fputs("<tr><td></td><td>\n", fp); 707 fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", relpath); 708 fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath); 709 fprintf(fp, "<a href=\"%srefs.html\">Refs</a>", relpath); 710 if (submodules) 711 fprintf(fp, " | <a href=\"%sfile/%s.html\">Submodules</a>", 712 relpath, submodules); 713 if (readme) 714 fprintf(fp, " | <a href=\"%sfile/%s.html\">README</a>", 715 relpath, readme); 716 if (license) 717 fprintf(fp, " | <a href=\"%sfile/%s.html\">LICENSE</a>", 718 relpath, license); 719 fputs("</td></tr></table>\n<hr/>\n<div id=\"content\">\n", fp); 720 } 721 722 void 723 writefooter(FILE *fp) 724 { 725 fputs("</div>\n</body>\n</html>\n", fp); 726 } 727 728 size_t 729 writeblobhtml(FILE *fp, const git_blob *blob) 730 { 731 size_t n = 0, i, len, prev; 732 const char *nfmt = "<a href=\"#l%zu\" class=\"line\" id=\"l%zu\">%7zu</a> "; 733 const char *s = git_blob_rawcontent(blob); 734 735 len = git_blob_rawsize(blob); 736 fputs("<pre id=\"blob\">\n", fp); 737 738 if (len > 0) { 739 for (i = 0, prev = 0; i < len; i++) { 740 if (s[i] != '\n') 741 continue; 742 n++; 743 fprintf(fp, nfmt, n, n, n); 744 xmlencodeline(fp, &s[prev], i - prev + 1); 745 putc('\n', fp); 746 prev = i + 1; 747 } 748 /* trailing data */ 749 if ((len - prev) > 0) { 750 n++; 751 fprintf(fp, nfmt, n, n, n); 752 xmlencodeline(fp, &s[prev], len - prev); 753 } 754 } 755 756 fputs("</pre>\n", fp); 757 758 return n; 759 } 760 761 void 762 printcommit(FILE *fp, struct commitinfo *ci) 763 { 764 fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n", 765 relpath, ci->oid, ci->oid); 766 767 if (ci->parentoid[0]) 768 fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n", 769 relpath, ci->parentoid, ci->parentoid); 770 771 if (ci->author) { 772 fputs("<b>Author:</b> ", fp); 773 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 774 fputs(" <<a href=\"mailto:", fp); 775 xmlencode(fp, ci->author->email, strlen(ci->author->email)); /* not percent-encoded */ 776 fputs("\">", fp); 777 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 778 fputs("</a>>\n<b>Date:</b> ", fp); 779 printtime(fp, &(ci->author->when)); 780 putc('\n', fp); 781 } 782 if (ci->msg) { 783 putc('\n', fp); 784 xmlencode(fp, ci->msg, strlen(ci->msg)); 785 putc('\n', fp); 786 } 787 } 788 789 void 790 printshowfile(FILE *fp, struct commitinfo *ci) 791 { 792 const git_diff_delta *delta; 793 const git_diff_hunk *hunk; 794 const git_diff_line *line; 795 git_patch *patch; 796 size_t nhunks, nhunklines, changed, add, del, total, i, j, k; 797 char linestr[80]; 798 int c; 799 800 printcommit(fp, ci); 801 802 if (!ci->deltas) 803 return; 804 805 if (ci->filecount > 1000 || 806 ci->ndeltas > 1000 || 807 ci->addcount > 100000 || 808 ci->delcount > 100000) { 809 fputs("Diff is too large, output suppressed.\n", fp); 810 return; 811 } 812 813 /* diff stat */ 814 fputs("<b>Diffstat:</b>\n<table>", fp); 815 for (i = 0; i < ci->ndeltas; i++) { 816 delta = git_patch_get_delta(ci->deltas[i]->patch); 817 818 switch (delta->status) { 819 case GIT_DELTA_ADDED: c = 'A'; break; 820 case GIT_DELTA_COPIED: c = 'C'; break; 821 case GIT_DELTA_DELETED: c = 'D'; break; 822 case GIT_DELTA_MODIFIED: c = 'M'; break; 823 case GIT_DELTA_RENAMED: c = 'R'; break; 824 case GIT_DELTA_TYPECHANGE: c = 'T'; break; 825 default: c = ' '; break; 826 } 827 if (c == ' ') 828 fprintf(fp, "<tr><td>%c", c); 829 else 830 fprintf(fp, "<tr><td class=\"%c\">%c", c, c); 831 832 fprintf(fp, "</td><td><a href=\"#h%zu\">", i); 833 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 834 if (strcmp(delta->old_file.path, delta->new_file.path)) { 835 fputs(" -> ", fp); 836 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 837 } 838 839 add = ci->deltas[i]->addcount; 840 del = ci->deltas[i]->delcount; 841 changed = add + del; 842 total = sizeof(linestr) - 2; 843 if (changed > total) { 844 if (add) 845 add = ((float)total / changed * add) + 1; 846 if (del) 847 del = ((float)total / changed * del) + 1; 848 } 849 memset(&linestr, '+', add); 850 memset(&linestr[add], '-', del); 851 852 fprintf(fp, "</a></td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">", 853 ci->deltas[i]->addcount + ci->deltas[i]->delcount); 854 fwrite(&linestr, 1, add, fp); 855 fputs("</span><span class=\"d\">", fp); 856 fwrite(&linestr[add], 1, del, fp); 857 fputs("</span></td></tr>\n", fp); 858 } 859 fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n", 860 ci->filecount, ci->filecount == 1 ? "" : "s", 861 ci->addcount, ci->addcount == 1 ? "" : "s", 862 ci->delcount, ci->delcount == 1 ? "" : "s"); 863 864 fputs("<hr/>", fp); 865 866 for (i = 0; i < ci->ndeltas; i++) { 867 patch = ci->deltas[i]->patch; 868 delta = git_patch_get_delta(patch); 869 fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/", i, relpath); 870 percentencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 871 fputs(".html\">", fp); 872 xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path)); 873 fprintf(fp, "</a> b/<a href=\"%sfile/", relpath); 874 percentencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 875 fprintf(fp, ".html\">"); 876 xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path)); 877 fprintf(fp, "</a></b>\n"); 878 879 /* check binary data */ 880 if (delta->flags & GIT_DIFF_FLAG_BINARY) { 881 fputs("Binary files differ.\n", fp); 882 continue; 883 } 884 885 nhunks = git_patch_num_hunks(patch); 886 for (j = 0; j < nhunks; j++) { 887 if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) 888 break; 889 890 fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"h\">", i, j, i, j); 891 xmlencode(fp, hunk->header, hunk->header_len); 892 fputs("</a>", fp); 893 894 for (k = 0; ; k++) { 895 if (git_patch_get_line_in_hunk(&line, patch, j, k)) 896 break; 897 if (line->old_lineno == -1) 898 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"i\">+", 899 i, j, k, i, j, k); 900 else if (line->new_lineno == -1) 901 fprintf(fp, "<a href=\"#h%zu-%zu-%zu\" id=\"h%zu-%zu-%zu\" class=\"d\">-", 902 i, j, k, i, j, k); 903 else 904 putc(' ', fp); 905 xmlencodeline(fp, line->content, line->content_len); 906 putc('\n', fp); 907 if (line->old_lineno == -1 || line->new_lineno == -1) 908 fputs("</a>", fp); 909 } 910 } 911 } 912 } 913 914 void 915 writelogline(FILE *fp, struct commitinfo *ci) 916 { 917 fputs("<tr><td>", fp); 918 if (ci->author) 919 printtimeshort(fp, &(ci->author->when)); 920 fputs("</td><td>", fp); 921 if (ci->summary) { 922 fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid); 923 xmlencode(fp, ci->summary, strlen(ci->summary)); 924 fputs("</a>", fp); 925 } 926 fputs("</td><td>", fp); 927 if (ci->author) 928 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 929 fputs("</td><td class=\"num\" align=\"right\">", fp); 930 fprintf(fp, "%zu", ci->filecount); 931 fputs("</td><td class=\"num\" align=\"right\">", fp); 932 fprintf(fp, "+%zu", ci->addcount); 933 fputs("</td><td class=\"num\" align=\"right\">", fp); 934 fprintf(fp, "-%zu", ci->delcount); 935 fputs("</td></tr>\n", fp); 936 } 937 938 int 939 writelog(FILE *fp, const git_oid *oid) 940 { 941 struct commitinfo *ci; 942 git_revwalk *w = NULL; 943 git_oid id; 944 char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1]; 945 FILE *fpfile; 946 size_t remcommits = 0; 947 int r; 948 949 git_revwalk_new(&w, repo); 950 git_revwalk_push(w, oid); 951 952 while (!git_revwalk_next(&id, w)) { 953 relpath = ""; 954 955 if (cachefile && !memcmp(&id, &lastoid, sizeof(id))) 956 break; 957 958 git_oid_tostr(oidstr, sizeof(oidstr), &id); 959 r = snprintf(path, sizeof(path), "commit/%s.html", oidstr); 960 if (r < 0 || (size_t)r >= sizeof(path)) 961 errx(1, "path truncated: 'commit/%s.html'", oidstr); 962 r = access(path, F_OK); 963 964 /* optimization: if there are no log lines to write and 965 the commit file already exists: skip the diffstat */ 966 if (!nlogcommits) { 967 remcommits++; 968 if (!r) 969 continue; 970 } 971 972 if (!(ci = commitinfo_getbyoid(&id))) 973 break; 974 /* diffstat: for stagit HTML required for the log.html line */ 975 if (commitinfo_getstats(ci) == -1) 976 goto err; 977 978 if (nlogcommits != 0) { 979 writelogline(fp, ci); 980 if (nlogcommits > 0) 981 nlogcommits--; 982 } 983 984 if (cachefile) 985 writelogline(wcachefp, ci); 986 987 /* check if file exists if so skip it */ 988 if (r) { 989 relpath = "../"; 990 fpfile = efopen(path, "w"); 991 writeheader(fpfile, ci->summary); 992 fputs("<pre>", fpfile); 993 printshowfile(fpfile, ci); 994 fputs("</pre>\n", fpfile); 995 writefooter(fpfile); 996 checkfileerror(fpfile, path, 'w'); 997 fclose(fpfile); 998 } 999 err: 1000 commitinfo_free(ci); 1001 } 1002 git_revwalk_free(w); 1003 1004 if (nlogcommits == 0 && remcommits != 0) { 1005 fprintf(fp, "<tr><td></td><td colspan=\"5\">" 1006 "%zu more commits remaining, fetch the repository" 1007 "</td></tr>\n", remcommits); 1008 } 1009 1010 relpath = ""; 1011 1012 return 0; 1013 } 1014 1015 void 1016 printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag) 1017 { 1018 fputs("<entry>\n", fp); 1019 1020 fprintf(fp, "<id>%s</id>\n", ci->oid); 1021 if (ci->author) { 1022 fputs("<published>", fp); 1023 printtimez(fp, &(ci->author->when)); 1024 fputs("</published>\n", fp); 1025 } 1026 if (ci->committer) { 1027 fputs("<updated>", fp); 1028 printtimez(fp, &(ci->committer->when)); 1029 fputs("</updated>\n", fp); 1030 } 1031 if (ci->summary) { 1032 fputs("<title>", fp); 1033 if (tag && tag[0]) { 1034 fputs("[", fp); 1035 xmlencode(fp, tag, strlen(tag)); 1036 fputs("] ", fp); 1037 } 1038 xmlencode(fp, ci->summary, strlen(ci->summary)); 1039 fputs("</title>\n", fp); 1040 } 1041 fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n", 1042 baseurl, ci->oid); 1043 1044 if (ci->author) { 1045 fputs("<author>\n<name>", fp); 1046 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1047 fputs("</name>\n<email>", fp); 1048 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 1049 fputs("</email>\n</author>\n", fp); 1050 } 1051 1052 fputs("<content>", fp); 1053 fprintf(fp, "commit %s\n", ci->oid); 1054 if (ci->parentoid[0]) 1055 fprintf(fp, "parent %s\n", ci->parentoid); 1056 if (ci->author) { 1057 fputs("Author: ", fp); 1058 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1059 fputs(" <", fp); 1060 xmlencode(fp, ci->author->email, strlen(ci->author->email)); 1061 fputs(">\nDate: ", fp); 1062 printtime(fp, &(ci->author->when)); 1063 putc('\n', fp); 1064 } 1065 if (ci->msg) { 1066 putc('\n', fp); 1067 xmlencode(fp, ci->msg, strlen(ci->msg)); 1068 } 1069 fputs("\n</content>\n</entry>\n", fp); 1070 } 1071 1072 int 1073 writeatom(FILE *fp, int all) 1074 { 1075 struct referenceinfo *ris = NULL; 1076 size_t refcount = 0; 1077 struct commitinfo *ci; 1078 git_revwalk *w = NULL; 1079 git_oid id; 1080 size_t i, m = 100; /* last 'm' commits */ 1081 1082 fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" 1083 "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp); 1084 xmlencode(fp, strippedname, strlen(strippedname)); 1085 fputs(", branch HEAD</title>\n<subtitle>", fp); 1086 xmlencode(fp, description, strlen(description)); 1087 fputs("</subtitle>\n", fp); 1088 1089 /* all commits or only tags? */ 1090 if (all) { 1091 git_revwalk_new(&w, repo); 1092 git_revwalk_push_head(w); 1093 for (i = 0; i < m && !git_revwalk_next(&id, w); i++) { 1094 if (!(ci = commitinfo_getbyoid(&id))) 1095 break; 1096 printcommitatom(fp, ci, ""); 1097 commitinfo_free(ci); 1098 } 1099 git_revwalk_free(w); 1100 } else if (getrefs(&ris, &refcount) != -1) { 1101 /* references: tags */ 1102 for (i = 0; i < refcount; i++) { 1103 if (git_reference_is_tag(ris[i].ref)) 1104 printcommitatom(fp, ris[i].ci, 1105 git_reference_shorthand(ris[i].ref)); 1106 1107 commitinfo_free(ris[i].ci); 1108 git_reference_free(ris[i].ref); 1109 } 1110 free(ris); 1111 } 1112 1113 fputs("</feed>\n", fp); 1114 1115 return 0; 1116 } 1117 1118 size_t 1119 writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize) 1120 { 1121 char tmp[PATH_MAX] = "", *d; 1122 const char *p; 1123 size_t lc = 0; 1124 FILE *fp; 1125 1126 if (strlcpy(tmp, fpath, sizeof(tmp)) >= sizeof(tmp)) 1127 errx(1, "path truncated: '%s'", fpath); 1128 if (!(d = dirname(tmp))) 1129 err(1, "dirname"); 1130 if (mkdirp(d)) 1131 return -1; 1132 1133 for (p = fpath, tmp[0] = '\0'; *p; p++) { 1134 if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp)) 1135 errx(1, "path truncated: '../%s'", tmp); 1136 } 1137 relpath = tmp; 1138 1139 fp = efopen(fpath, "w"); 1140 writeheader(fp, filename); 1141 fputs("<p> ", fp); 1142 xmlencode(fp, filename, strlen(filename)); 1143 fprintf(fp, " (%zuB)", filesize); 1144 fputs("</p><hr/>", fp); 1145 1146 if (git_blob_is_binary((git_blob *)obj)) 1147 fputs("<p>Binary file.</p>\n", fp); 1148 else 1149 lc = writeblobhtml(fp, (git_blob *)obj); 1150 1151 writefooter(fp); 1152 checkfileerror(fp, fpath, 'w'); 1153 fclose(fp); 1154 1155 relpath = ""; 1156 1157 return lc; 1158 } 1159 1160 const char * 1161 filemode(git_filemode_t m) 1162 { 1163 static char mode[11]; 1164 1165 memset(mode, '-', sizeof(mode) - 1); 1166 mode[10] = '\0'; 1167 1168 if (S_ISREG(m)) 1169 mode[0] = '-'; 1170 else if (S_ISBLK(m)) 1171 mode[0] = 'b'; 1172 else if (S_ISCHR(m)) 1173 mode[0] = 'c'; 1174 else if (S_ISDIR(m)) 1175 mode[0] = 'd'; 1176 else if (S_ISFIFO(m)) 1177 mode[0] = 'p'; 1178 else if (S_ISLNK(m)) 1179 mode[0] = 'l'; 1180 else if (S_ISSOCK(m)) 1181 mode[0] = 's'; 1182 else 1183 mode[0] = '?'; 1184 1185 if (m & S_IRUSR) mode[1] = 'r'; 1186 if (m & S_IWUSR) mode[2] = 'w'; 1187 if (m & S_IXUSR) mode[3] = 'x'; 1188 if (m & S_IRGRP) mode[4] = 'r'; 1189 if (m & S_IWGRP) mode[5] = 'w'; 1190 if (m & S_IXGRP) mode[6] = 'x'; 1191 if (m & S_IROTH) mode[7] = 'r'; 1192 if (m & S_IWOTH) mode[8] = 'w'; 1193 if (m & S_IXOTH) mode[9] = 'x'; 1194 1195 if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S'; 1196 if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S'; 1197 if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T'; 1198 1199 return mode; 1200 } 1201 1202 int 1203 writefilestree(FILE *fp, git_tree *tree, const char *path) 1204 { 1205 const git_tree_entry *entry = NULL; 1206 git_object *obj = NULL; 1207 const char *entryname; 1208 char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8]; 1209 size_t count, i, lc, filesize; 1210 int r, ret; 1211 1212 count = git_tree_entrycount(tree); 1213 for (i = 0; i < count; i++) { 1214 if (!(entry = git_tree_entry_byindex(tree, i)) || 1215 !(entryname = git_tree_entry_name(entry))) 1216 return -1; 1217 joinpath(entrypath, sizeof(entrypath), path, entryname); 1218 1219 r = snprintf(filepath, sizeof(filepath), "file/%s.html", 1220 entrypath); 1221 if (r < 0 || (size_t)r >= sizeof(filepath)) 1222 errx(1, "path truncated: 'file/%s.html'", entrypath); 1223 1224 if (!git_tree_entry_to_object(&obj, repo, entry)) { 1225 switch (git_object_type(obj)) { 1226 case GIT_OBJ_BLOB: 1227 break; 1228 case GIT_OBJ_TREE: 1229 /* NOTE: recurses */ 1230 ret = writefilestree(fp, (git_tree *)obj, 1231 entrypath); 1232 git_object_free(obj); 1233 if (ret) 1234 return ret; 1235 continue; 1236 default: 1237 git_object_free(obj); 1238 continue; 1239 } 1240 1241 filesize = git_blob_rawsize((git_blob *)obj); 1242 lc = writeblob(obj, filepath, entryname, filesize); 1243 1244 fputs("<tr><td>", fp); 1245 fputs(filemode(git_tree_entry_filemode(entry)), fp); 1246 fprintf(fp, "</td><td><a href=\"%s", relpath); 1247 percentencode(fp, filepath, strlen(filepath)); 1248 fputs("\">", fp); 1249 xmlencode(fp, entrypath, strlen(entrypath)); 1250 fputs("</a></td><td class=\"num\" align=\"right\">", fp); 1251 if (lc > 0) 1252 fprintf(fp, "%zuL", lc); 1253 else 1254 fprintf(fp, "%zuB", filesize); 1255 fputs("</td></tr>\n", fp); 1256 git_object_free(obj); 1257 } else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) { 1258 /* commit object in tree is a submodule */ 1259 fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">", 1260 relpath); 1261 xmlencode(fp, entrypath, strlen(entrypath)); 1262 fputs("</a> @ ", fp); 1263 git_oid_tostr(oid, sizeof(oid), git_tree_entry_id(entry)); 1264 xmlencode(fp, oid, strlen(oid)); 1265 fputs("</td><td class=\"num\" align=\"right\"></td></tr>\n", fp); 1266 } 1267 } 1268 1269 return 0; 1270 } 1271 1272 int 1273 writefiles(FILE *fp, const git_oid *id) 1274 { 1275 git_tree *tree = NULL; 1276 git_commit *commit = NULL; 1277 int ret = -1; 1278 1279 fputs("<table id=\"files\"><thead>\n<tr>" 1280 "<td><b>Mode</b></td><td><b>Name</b></td>" 1281 "<td class=\"num\" align=\"right\"><b>Size</b></td>" 1282 "</tr>\n</thead><tbody>\n", fp); 1283 1284 if (!git_commit_lookup(&commit, repo, id) && 1285 !git_commit_tree(&tree, commit)) 1286 ret = writefilestree(fp, tree, ""); 1287 1288 fputs("</tbody></table>", fp); 1289 1290 git_commit_free(commit); 1291 git_tree_free(tree); 1292 1293 return ret; 1294 } 1295 1296 int 1297 writerefs(FILE *fp) 1298 { 1299 struct referenceinfo *ris = NULL; 1300 struct commitinfo *ci; 1301 size_t count, i, j, refcount; 1302 const char *titles[] = { "Branches", "Tags" }; 1303 const char *ids[] = { "branches", "tags" }; 1304 const char *s; 1305 1306 if (getrefs(&ris, &refcount) == -1) 1307 return -1; 1308 1309 for (i = 0, j = 0, count = 0; i < refcount; i++) { 1310 if (j == 0 && git_reference_is_tag(ris[i].ref)) { 1311 if (count) 1312 fputs("</tbody></table><br/>\n", fp); 1313 count = 0; 1314 j = 1; 1315 } 1316 1317 /* print header if it has an entry (first). */ 1318 if (++count == 1) { 1319 fprintf(fp, "<h2>%s</h2><table id=\"%s\">" 1320 "<thead>\n<tr><td><b>Name</b></td>" 1321 "<td><b>Last commit date</b></td>" 1322 "<td><b>Author</b></td>\n</tr>\n" 1323 "</thead><tbody>\n", 1324 titles[j], ids[j]); 1325 } 1326 1327 ci = ris[i].ci; 1328 s = git_reference_shorthand(ris[i].ref); 1329 1330 fputs("<tr><td>", fp); 1331 xmlencode(fp, s, strlen(s)); 1332 fputs("</td><td>", fp); 1333 if (ci->author) 1334 printtimeshort(fp, &(ci->author->when)); 1335 fputs("</td><td>", fp); 1336 if (ci->author) 1337 xmlencode(fp, ci->author->name, strlen(ci->author->name)); 1338 fputs("</td></tr>\n", fp); 1339 } 1340 /* table footer */ 1341 if (count) 1342 fputs("</tbody></table><br/>\n", fp); 1343 1344 for (i = 0; i < refcount; i++) { 1345 commitinfo_free(ris[i].ci); 1346 git_reference_free(ris[i].ref); 1347 } 1348 free(ris); 1349 1350 return 0; 1351 } 1352 1353 void 1354 usage(char *argv0) 1355 { 1356 fprintf(stderr, "usage: %s [-c cachefile | -l commits] " 1357 "[-u baseurl] [-s stylefile] repodir\n", argv0); 1358 exit(1); 1359 } 1360 1361 int 1362 main(int argc, char *argv[]) 1363 { 1364 git_object *obj = NULL; 1365 const git_oid *head = NULL; 1366 mode_t mask; 1367 FILE *fp, *fpread; 1368 char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p; 1369 char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ]; 1370 size_t n; 1371 int i, fd; 1372 1373 for (i = 1; i < argc; i++) { 1374 if (argv[i][0] != '-') { 1375 if (repodir) 1376 usage(argv[0]); 1377 repodir = argv[i]; 1378 } else if (argv[i][1] == 'c') { 1379 if (nlogcommits > 0 || i + 1 >= argc) 1380 usage(argv[0]); 1381 cachefile = argv[++i]; 1382 } else if (argv[i][1] == 'l') { 1383 if (cachefile || i + 1 >= argc) 1384 usage(argv[0]); 1385 errno = 0; 1386 nlogcommits = strtoll(argv[++i], &p, 10); 1387 if (argv[i][0] == '\0' || *p != '\0' || 1388 nlogcommits <= 0 || errno) 1389 usage(argv[0]); 1390 } else if (argv[i][1] == 'u') { 1391 if (i + 1 >= argc) 1392 usage(argv[0]); 1393 baseurl = argv[++i]; 1394 } else if (argv[i][1] == 's') { 1395 if (i + 1 >= argc) 1396 usage(argv[0]); 1397 stylefile = argv[++i]; 1398 } 1399 } 1400 if (!repodir) 1401 usage(argv[0]); 1402 1403 if (!realpath(repodir, repodirabs)) 1404 err(1, "realpath"); 1405 1406 if (stylefile) { 1407 fpread = efopen(stylefile, "r"); 1408 if (fpread) { 1409 fseek(fpread, 0, SEEK_END); 1410 long int len = ftell(fpread); 1411 rewind(fpread); 1412 if (len >= 0) { 1413 style = calloc(1, (size_t)len + 1); 1414 if (!fread(style, (size_t)len, 1, fpread)) { 1415 free(style); 1416 style = default_style; 1417 } 1418 } 1419 checkfileerror(fpread, stylefile, 'r'); 1420 fclose(fpread); 1421 } 1422 } 1423 1424 /* do not search outside the git repository: 1425 GIT_CONFIG_LEVEL_APP is the highest level currently */ 1426 git_libgit2_init(); 1427 for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++) 1428 git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, ""); 1429 /* do not require the git repository to be owned by the current user */ 1430 git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0); 1431 1432 #ifdef __OpenBSD__ 1433 if (unveil(repodir, "r") == -1) 1434 err(1, "unveil: %s", repodir); 1435 if (unveil(".", "rwc") == -1) 1436 err(1, "unveil: ."); 1437 if (cachefile && unveil(cachefile, "rwc") == -1) 1438 err(1, "unveil: %s", cachefile); 1439 1440 if (cachefile) { 1441 if (pledge("stdio rpath wpath cpath fattr", NULL) == -1) 1442 err(1, "pledge"); 1443 } else { 1444 if (pledge("stdio rpath wpath cpath", NULL) == -1) 1445 err(1, "pledge"); 1446 } 1447 #endif 1448 1449 if (git_repository_open_ext(&repo, repodir, 1450 GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) { 1451 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 1452 return 1; 1453 } 1454 1455 /* find HEAD */ 1456 if (!git_revparse_single(&obj, repo, "HEAD")) 1457 head = git_object_id(obj); 1458 git_object_free(obj); 1459 1460 /* use directory name as name */ 1461 if ((name = strrchr(repodirabs, '/'))) 1462 name++; 1463 else 1464 name = ""; 1465 1466 /* strip .git suffix */ 1467 if (!(strippedname = strdup(name))) 1468 err(1, "strdup"); 1469 if ((p = strrchr(strippedname, '.'))) 1470 if (!strcmp(p, ".git")) 1471 *p = '\0'; 1472 1473 /* read description or .git/description */ 1474 joinpath(path, sizeof(path), repodir, "description"); 1475 if (!(fpread = fopen(path, "r"))) { 1476 joinpath(path, sizeof(path), repodir, ".git/description"); 1477 fpread = fopen(path, "r"); 1478 } 1479 if (fpread) { 1480 if (!fgets(description, sizeof(description), fpread)) 1481 description[0] = '\0'; 1482 checkfileerror(fpread, path, 'r'); 1483 fclose(fpread); 1484 } 1485 1486 /* read url or .git/url */ 1487 joinpath(path, sizeof(path), repodir, "url"); 1488 if (!(fpread = fopen(path, "r"))) { 1489 joinpath(path, sizeof(path), repodir, ".git/url"); 1490 fpread = fopen(path, "r"); 1491 } 1492 if (fpread) { 1493 if (!fgets(cloneurl, sizeof(cloneurl), fpread)) 1494 cloneurl[0] = '\0'; 1495 checkfileerror(fpread, path, 'r'); 1496 fclose(fpread); 1497 cloneurl[strcspn(cloneurl, "\n")] = '\0'; 1498 } 1499 1500 /* check LICENSE */ 1501 for (i = 0; i < LEN(licensefiles) && !license; i++) { 1502 if (!git_revparse_single(&obj, repo, licensefiles[i]) && 1503 git_object_type(obj) == GIT_OBJ_BLOB) 1504 license = licensefiles[i] + strlen("HEAD:"); 1505 git_object_free(obj); 1506 } 1507 1508 /* check README */ 1509 for (i = 0; i < LEN(readmefiles) && !readme; i++) { 1510 if (!git_revparse_single(&obj, repo, readmefiles[i]) && 1511 git_object_type(obj) == GIT_OBJ_BLOB) 1512 readme = readmefiles[i] + strlen("HEAD:"); 1513 git_object_free(obj); 1514 } 1515 1516 if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") && 1517 git_object_type(obj) == GIT_OBJ_BLOB) 1518 submodules = ".gitmodules"; 1519 git_object_free(obj); 1520 1521 /* log for HEAD */ 1522 fp = efopen("log.html", "w"); 1523 relpath = ""; 1524 mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO); 1525 writeheader(fp, "Log"); 1526 fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>" 1527 "<td><b>Commit message</b></td>" 1528 "<td><b>Author</b></td><td class=\"num\" align=\"right\"><b>Files</b></td>" 1529 "<td class=\"num\" align=\"right\"><b>+</b></td>" 1530 "<td class=\"num\" align=\"right\"><b>-</b></td></tr>\n</thead><tbody>\n", fp); 1531 1532 if (cachefile && head) { 1533 /* read from cache file (does not need to exist) */ 1534 if ((rcachefp = fopen(cachefile, "r"))) { 1535 if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp)) 1536 errx(1, "%s: no object id", cachefile); 1537 if (git_oid_fromstr(&lastoid, lastoidstr)) 1538 errx(1, "%s: invalid object id", cachefile); 1539 } 1540 1541 /* write log to (temporary) cache */ 1542 if ((fd = mkstemp(tmppath)) == -1) 1543 err(1, "mkstemp"); 1544 if (!(wcachefp = fdopen(fd, "w"))) 1545 err(1, "fdopen: '%s'", tmppath); 1546 /* write last commit id (HEAD) */ 1547 git_oid_tostr(buf, sizeof(buf), head); 1548 fprintf(wcachefp, "%s\n", buf); 1549 1550 writelog(fp, head); 1551 1552 if (rcachefp) { 1553 /* append previous log to log.html and the new cache */ 1554 while (!feof(rcachefp)) { 1555 n = fread(buf, 1, sizeof(buf), rcachefp); 1556 if (ferror(rcachefp)) 1557 break; 1558 if (fwrite(buf, 1, n, fp) != n || 1559 fwrite(buf, 1, n, wcachefp) != n) 1560 break; 1561 } 1562 checkfileerror(rcachefp, cachefile, 'r'); 1563 fclose(rcachefp); 1564 } 1565 checkfileerror(wcachefp, tmppath, 'w'); 1566 fclose(wcachefp); 1567 } else { 1568 if (head) 1569 writelog(fp, head); 1570 } 1571 1572 fputs("</tbody></table>", fp); 1573 writefooter(fp); 1574 checkfileerror(fp, "log.html", 'w'); 1575 fclose(fp); 1576 1577 /* files for HEAD */ 1578 fp = efopen("files.html", "w"); 1579 writeheader(fp, "Files"); 1580 if (head) 1581 writefiles(fp, head); 1582 writefooter(fp); 1583 checkfileerror(fp, "files.html", 'w'); 1584 fclose(fp); 1585 1586 /* summary page with branches and tags */ 1587 fp = efopen("refs.html", "w"); 1588 writeheader(fp, "Refs"); 1589 writerefs(fp); 1590 writefooter(fp); 1591 checkfileerror(fp, "refs.html", 'w'); 1592 fclose(fp); 1593 1594 /* Atom feed */ 1595 fp = efopen("atom.xml", "w"); 1596 writeatom(fp, 1); 1597 checkfileerror(fp, "atom.xml", 'w'); 1598 fclose(fp); 1599 1600 /* Atom feed for tags / releases */ 1601 fp = efopen("tags.xml", "w"); 1602 writeatom(fp, 0); 1603 checkfileerror(fp, "tags.xml", 'w'); 1604 fclose(fp); 1605 1606 /* rename new cache file on success */ 1607 if (cachefile && head) { 1608 if (rename(tmppath, cachefile)) 1609 err(1, "rename: '%s' to '%s'", tmppath, cachefile); 1610 umask((mask = umask(0))); 1611 if (chmod(cachefile, 1612 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask)) 1613 err(1, "chmod: '%s'", cachefile); 1614 } 1615 1616 /* cleanup */ 1617 git_repository_free(repo); 1618 git_libgit2_shutdown(); 1619 1620 return 0; 1621 }