Hash :
64bcf567
Author :
Date :
2014-10-26T10:30:05
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117
/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "git2/config.h"
#include "git2/types.h"
#include "git2/oid.h"
#include "git2/net.h"
#include "common.h"
#include "config.h"
#include "repository.h"
#include "remote.h"
#include "fetch.h"
#include "refs.h"
#include "refspec.h"
#include "fetchhead.h"
static int dwim_refspecs(git_vector *out, git_vector *refspecs, git_vector *refs);
static int add_refspec_to(git_vector *vector, const char *string, bool is_fetch)
{
git_refspec *spec;
spec = git__calloc(1, sizeof(git_refspec));
GITERR_CHECK_ALLOC(spec);
if (git_refspec__parse(spec, string, is_fetch) < 0) {
git__free(spec);
return -1;
}
spec->push = !is_fetch;
if (git_vector_insert(vector, spec) < 0) {
git_refspec__free(spec);
git__free(spec);
return -1;
}
return 0;
}
static int add_refspec(git_remote *remote, const char *string, bool is_fetch)
{
return add_refspec_to(&remote->refspecs, string, is_fetch);
}
static int download_tags_value(git_remote *remote, git_config *cfg)
{
const git_config_entry *ce;
git_buf buf = GIT_BUF_INIT;
int error;
/* The 0 value is the default (auto), let's see if we need to change it */
if (git_buf_printf(&buf, "remote.%s.tagopt", remote->name) < 0)
return -1;
error = git_config__lookup_entry(&ce, cfg, git_buf_cstr(&buf), false);
git_buf_free(&buf);
if (!error && ce && ce->value) {
if (!strcmp(ce->value, "--no-tags"))
remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_NONE;
else if (!strcmp(ce->value, "--tags"))
remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_ALL;
}
return error;
}
static int ensure_remote_name_is_valid(const char *name)
{
int error = 0;
if (!git_remote_is_valid_name(name)) {
giterr_set(
GITERR_CONFIG,
"'%s' is not a valid remote name.", name ? name : "(null)");
error = GIT_EINVALIDSPEC;
}
return error;
}
#if 0
/* We could export this as a helper */
static int get_check_cert(int *out, git_repository *repo)
{
git_config *cfg;
const char *val;
int error = 0;
assert(out && repo);
/* By default, we *DO* want to verify the certificate. */
*out = 1;
/* Go through the possible sources for SSL verification settings, from
* most specific to least specific. */
/* GIT_SSL_NO_VERIFY environment variable */
if ((val = getenv("GIT_SSL_NO_VERIFY")) != NULL)
return git_config_parse_bool(out, val);
/* http.sslVerify config setting */
if ((error = git_repository_config__weakptr(&cfg, repo)) < 0)
return error;
*out = git_config__get_bool_force(cfg, "http.sslverify", 1);
return 0;
}
#endif
static int canonicalize_url(git_buf *out, const char *in)
{
#ifdef GIT_WIN32
const char *c;
/* Given a UNC path like \\server\path, we need to convert this
* to //server/path for compatibility with core git.
*/
if (in[0] == '\\' && in[1] == '\\' &&
(git__isalpha(in[2]) || git__isdigit(in[2]))) {
for (c = in; *c; c++)
git_buf_putc(out, *c == '\\' ? '/' : *c);
return git_buf_oom(out) ? -1 : 0;
}
#endif
return git_buf_puts(out, in);
}
static int create_internal(git_remote **out, git_repository *repo, const char *name, const char *url, const char *fetch)
{
git_remote *remote;
git_buf canonical_url = GIT_BUF_INIT, fetchbuf = GIT_BUF_INIT;
int error = -1;
/* name is optional */
assert(out && repo && url);
remote = git__calloc(1, sizeof(git_remote));
GITERR_CHECK_ALLOC(remote);
remote->repo = repo;
remote->update_fetchhead = 1;
if (git_vector_init(&remote->refs, 32, NULL) < 0 ||
canonicalize_url(&canonical_url, url) < 0)
goto on_error;
remote->url = git_buf_detach(&canonical_url);
if (name != NULL) {
remote->name = git__strdup(name);
GITERR_CHECK_ALLOC(remote->name);
}
if (fetch != NULL) {
if (add_refspec(remote, fetch, true) < 0)
goto on_error;
}
if (!name)
/* A remote without a name doesn't download tags */
remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_NONE;
*out = remote;
git_buf_free(&fetchbuf);
git_buf_free(&canonical_url);
return 0;
on_error:
git_remote_free(remote);
git_buf_free(&fetchbuf);
git_buf_free(&canonical_url);
return error;
}
static int ensure_remote_doesnot_exist(git_repository *repo, const char *name)
{
int error;
git_remote *remote;
error = git_remote_load(&remote, repo, name);
if (error == GIT_ENOTFOUND)
return 0;
if (error < 0)
return error;
git_remote_free(remote);
giterr_set(
GITERR_CONFIG,
"Remote '%s' already exists.", name);
return GIT_EEXISTS;
}
int git_remote_create(git_remote **out, git_repository *repo, const char *name, const char *url)
{
git_buf buf = GIT_BUF_INIT;
git_remote *remote = NULL;
int error;
if ((error = ensure_remote_name_is_valid(name)) < 0)
return error;
if ((error = ensure_remote_doesnot_exist(repo, name)) < 0)
return error;
if (git_buf_printf(&buf, "+refs/heads/*:refs/remotes/%s/*", name) < 0)
return -1;
if (create_internal(&remote, repo, name, url, git_buf_cstr(&buf)) < 0)
goto on_error;
git_buf_free(&buf);
if (git_remote_save(remote) < 0)
goto on_error;
*out = remote;
return 0;
on_error:
git_buf_free(&buf);
git_remote_free(remote);
return -1;
}
int git_remote_create_with_fetchspec(git_remote **out, git_repository *repo, const char *name, const char *url, const char *fetch)
{
git_remote *remote = NULL;
int error;
if ((error = ensure_remote_name_is_valid(name)) < 0)
return error;
if ((error = ensure_remote_doesnot_exist(repo, name)) < 0)
return error;
if (create_internal(&remote, repo, name, url, fetch) < 0)
goto on_error;
if (git_remote_save(remote) < 0)
goto on_error;
*out = remote;
return 0;
on_error:
git_remote_free(remote);
return -1;
}
int git_remote_create_anonymous(git_remote **out, git_repository *repo, const char *url, const char *fetch)
{
int error;
git_remote *remote;
if ((error = create_internal(&remote, repo, NULL, url, fetch)) < 0)
return error;
*out = remote;
return 0;
}
int git_remote_dup(git_remote **dest, git_remote *source)
{
int error = 0;
git_strarray refspecs = { 0 };
git_remote *remote = git__calloc(1, sizeof(git_remote));
GITERR_CHECK_ALLOC(remote);
if (source->name != NULL) {
remote->name = git__strdup(source->name);
GITERR_CHECK_ALLOC(remote->name);
}
if (source->url != NULL) {
remote->url = git__strdup(source->url);
GITERR_CHECK_ALLOC(remote->url);
}
if (source->pushurl != NULL) {
remote->pushurl = git__strdup(source->pushurl);
GITERR_CHECK_ALLOC(remote->pushurl);
}
remote->transport_cb = source->transport_cb;
remote->transport_cb_payload = source->transport_cb_payload;
remote->repo = source->repo;
remote->download_tags = source->download_tags;
remote->update_fetchhead = source->update_fetchhead;
if (git_vector_init(&remote->refs, 32, NULL) < 0 ||
git_vector_init(&remote->refspecs, 2, NULL) < 0 ||
git_vector_init(&remote->active_refspecs, 2, NULL) < 0) {
error = -1;
goto cleanup;
}
if ((error = git_remote_get_fetch_refspecs(&refspecs, source)) < 0 ||
(error = git_remote_set_fetch_refspecs(remote, &refspecs)) < 0)
goto cleanup;
git_strarray_free(&refspecs);
if ((error = git_remote_get_push_refspecs(&refspecs, source)) < 0 ||
(error = git_remote_set_push_refspecs(remote, &refspecs)) < 0)
goto cleanup;
*dest = remote;
cleanup:
git_strarray_free(&refspecs);
if (error < 0)
git__free(remote);
return error;
}
struct refspec_cb_data {
git_remote *remote;
int fetch;
};
static int refspec_cb(const git_config_entry *entry, void *payload)
{
struct refspec_cb_data *data = (struct refspec_cb_data *)payload;
return add_refspec(data->remote, entry->value, data->fetch);
}
static int get_optional_config(
bool *found, git_config *config, git_buf *buf,
git_config_foreach_cb cb, void *payload)
{
int error = 0;
const char *key = git_buf_cstr(buf);
if (git_buf_oom(buf))
return -1;
if (cb != NULL)
error = git_config_get_multivar_foreach(config, key, NULL, cb, payload);
else
error = git_config_get_string(payload, config, key);
if (found)
*found = !error;
if (error == GIT_ENOTFOUND) {
giterr_clear();
error = 0;
}
return error;
}
int git_remote_load(git_remote **out, git_repository *repo, const char *name)
{
git_remote *remote;
git_buf buf = GIT_BUF_INIT;
const char *val;
int error = 0;
git_config *config;
struct refspec_cb_data data = { NULL };
bool optional_setting_found = false, found;
assert(out && repo && name);
if ((error = ensure_remote_name_is_valid(name)) < 0)
return error;
if ((error = git_repository_config_snapshot(&config, repo)) < 0)
return error;
remote = git__malloc(sizeof(git_remote));
GITERR_CHECK_ALLOC(remote);
memset(remote, 0x0, sizeof(git_remote));
remote->update_fetchhead = 1;
remote->name = git__strdup(name);
GITERR_CHECK_ALLOC(remote->name);
if (git_vector_init(&remote->refs, 32, NULL) < 0 ||
git_vector_init(&remote->refspecs, 2, NULL) < 0 ||
git_vector_init(&remote->passive_refspecs, 2, NULL) < 0 ||
git_vector_init(&remote->active_refspecs, 2, NULL) < 0) {
error = -1;
goto cleanup;
}
if ((error = git_buf_printf(&buf, "remote.%s.url", name)) < 0)
goto cleanup;
if ((error = get_optional_config(&found, config, &buf, NULL, (void *)&val)) < 0)
goto cleanup;
optional_setting_found |= found;
remote->repo = repo;
if (found && strlen(val) > 0) {
remote->url = git__strdup(val);
GITERR_CHECK_ALLOC(remote->url);
}
val = NULL;
git_buf_clear(&buf);
git_buf_printf(&buf, "remote.%s.pushurl", name);
if ((error = get_optional_config(&found, config, &buf, NULL, (void *)&val)) < 0)
goto cleanup;
optional_setting_found |= found;
if (!optional_setting_found) {
error = GIT_ENOTFOUND;
giterr_set(GITERR_CONFIG, "Remote '%s' does not exist.", name);
goto cleanup;
}
if (found && strlen(val) > 0) {
remote->pushurl = git__strdup(val);
GITERR_CHECK_ALLOC(remote->pushurl);
}
data.remote = remote;
data.fetch = true;
git_buf_clear(&buf);
git_buf_printf(&buf, "remote.%s.fetch", name);
if ((error = get_optional_config(NULL, config, &buf, refspec_cb, &data)) < 0)
goto cleanup;
data.fetch = false;
git_buf_clear(&buf);
git_buf_printf(&buf, "remote.%s.push", name);
if ((error = get_optional_config(NULL, config, &buf, refspec_cb, &data)) < 0)
goto cleanup;
if (download_tags_value(remote, config) < 0)
goto cleanup;
/* Move the data over to where the matching functions can find them */
if (dwim_refspecs(&remote->active_refspecs, &remote->refspecs, &remote->refs) < 0)
goto cleanup;
*out = remote;
cleanup:
git_config_free(config);
git_buf_free(&buf);
if (error < 0)
git_remote_free(remote);
return error;
}
static int update_config_refspec(const git_remote *remote, git_config *config, int direction)
{
git_buf name = GIT_BUF_INIT;
unsigned int push;
const char *dir;
size_t i;
int error = 0;
const char *cname;
push = direction == GIT_DIRECTION_PUSH;
dir = push ? "push" : "fetch";
if (git_buf_printf(&name, "remote.%s.%s", remote->name, dir) < 0)
return -1;
cname = git_buf_cstr(&name);
/* Clear out the existing config */
while (!error)
error = git_config_delete_multivar(config, cname, ".*");
if (error != GIT_ENOTFOUND)
return error;
for (i = 0; i < remote->refspecs.length; i++) {
git_refspec *spec = git_vector_get(&remote->refspecs, i);
if (spec->push != push)
continue;
// "$^" is a unmatcheable regexp: it will not match anything at all, so
// all values will be considered new and we will not replace any
// present value.
if ((error = git_config_set_multivar(
config, cname, "$^", spec->string)) < 0) {
goto cleanup;
}
}
giterr_clear();
error = 0;
cleanup:
git_buf_free(&name);
return error;
}
int git_remote_save(const git_remote *remote)
{
int error;
git_config *cfg;
const char *tagopt = NULL;
git_buf buf = GIT_BUF_INIT;
const git_config_entry *existing;
assert(remote);
if (!remote->name) {
giterr_set(GITERR_INVALID, "Can't save an anonymous remote.");
return GIT_EINVALIDSPEC;
}
if ((error = ensure_remote_name_is_valid(remote->name)) < 0)
return error;
if ((error = git_repository_config__weakptr(&cfg, remote->repo)) < 0)
return error;
if ((error = git_buf_printf(&buf, "remote.%s.url", remote->name)) < 0)
return error;
/* after this point, buffer is allocated so end with cleanup */
if ((error = git_config_set_string(
cfg, git_buf_cstr(&buf), remote->url)) < 0)
goto cleanup;
git_buf_clear(&buf);
if ((error = git_buf_printf(&buf, "remote.%s.pushurl", remote->name)) < 0)
goto cleanup;
if ((error = git_config__update_entry(
cfg, git_buf_cstr(&buf), remote->pushurl, true, false)) < 0)
goto cleanup;
if ((error = update_config_refspec(remote, cfg, GIT_DIRECTION_FETCH)) < 0)
goto cleanup;
if ((error = update_config_refspec(remote, cfg, GIT_DIRECTION_PUSH)) < 0)
goto cleanup;
/*
* What action to take depends on the old and new values. This
* is describes by the table below. tagopt means whether the
* is already a value set in the config
*
* AUTO ALL or NONE
* +-----------------------+
* tagopt | remove | set |
* +---------+-------------|
* !tagopt | nothing | set |
* +---------+-------------+
*/
git_buf_clear(&buf);
if ((error = git_buf_printf(&buf, "remote.%s.tagopt", remote->name)) < 0)
goto cleanup;
if ((error = git_config__lookup_entry(
&existing, cfg, git_buf_cstr(&buf), false)) < 0)
goto cleanup;
if (remote->download_tags == GIT_REMOTE_DOWNLOAD_TAGS_ALL)
tagopt = "--tags";
else if (remote->download_tags == GIT_REMOTE_DOWNLOAD_TAGS_NONE)
tagopt = "--no-tags";
else if (existing != NULL)
tagopt = NULL;
error = git_config__update_entry(
cfg, git_buf_cstr(&buf), tagopt, true, false);
cleanup:
git_buf_free(&buf);
return error;
}
const char *git_remote_name(const git_remote *remote)
{
assert(remote);
return remote->name;
}
git_repository *git_remote_owner(const git_remote *remote)
{
assert(remote);
return remote->repo;
}
const char *git_remote_url(const git_remote *remote)
{
assert(remote);
return remote->url;
}
int git_remote_set_url(git_remote *remote, const char* url)
{
assert(remote);
assert(url);
git__free(remote->url);
remote->url = git__strdup(url);
GITERR_CHECK_ALLOC(remote->url);
return 0;
}
const char *git_remote_pushurl(const git_remote *remote)
{
assert(remote);
return remote->pushurl;
}
int git_remote_set_pushurl(git_remote *remote, const char* url)
{
assert(remote);
git__free(remote->pushurl);
if (url) {
remote->pushurl = git__strdup(url);
GITERR_CHECK_ALLOC(remote->pushurl);
} else {
remote->pushurl = NULL;
}
return 0;
}
const char* git_remote__urlfordirection(git_remote *remote, int direction)
{
assert(remote);
assert(direction == GIT_DIRECTION_FETCH || direction == GIT_DIRECTION_PUSH);
if (direction == GIT_DIRECTION_FETCH) {
return remote->url;
}
if (direction == GIT_DIRECTION_PUSH) {
return remote->pushurl ? remote->pushurl : remote->url;
}
return NULL;
}
int git_remote_connect(git_remote *remote, git_direction direction)
{
git_transport *t;
const char *url;
int flags = GIT_TRANSPORTFLAGS_NONE;
int error;
assert(remote);
t = remote->transport;
url = git_remote__urlfordirection(remote, direction);
if (url == NULL) {
giterr_set(GITERR_INVALID,
"Malformed remote '%s' - missing URL", remote->name);
return -1;
}
/* If we don't have a transport object yet, and the caller specified a
* custom transport factory, use that */
if (!t && remote->transport_cb &&
(error = remote->transport_cb(&t, remote, remote->transport_cb_payload)) < 0)
return error;
/* If we still don't have a transport, then use the global
* transport registrations which map URI schemes to transport factories */
if (!t && (error = git_transport_new(&t, remote, url)) < 0)
return error;
if (t->set_callbacks &&
(error = t->set_callbacks(t, remote->callbacks.sideband_progress, NULL, remote->callbacks.certificate_check, remote->callbacks.payload)) < 0)
goto on_error;
if ((error = t->connect(t, url, remote->callbacks.credentials, remote->callbacks.payload, direction, flags)) != 0)
goto on_error;
remote->transport = t;
return 0;
on_error:
t->free(t);
if (t == remote->transport)
remote->transport = NULL;
return error;
}
int git_remote_ls(const git_remote_head ***out, size_t *size, git_remote *remote)
{
assert(remote);
if (!remote->transport) {
giterr_set(GITERR_NET, "No transport bound to this remote");
return -1;
}
return remote->transport->ls(out, size, remote->transport);
}
int git_remote__get_http_proxy(git_remote *remote, bool use_ssl, char **proxy_url)
{
git_config *cfg;
const git_config_entry *ce;
const char *val = NULL;
int error;
assert(remote);
if (!proxy_url || !remote->repo)
return -1;
*proxy_url = NULL;
if ((error = git_repository_config__weakptr(&cfg, remote->repo)) < 0)
return error;
/* Go through the possible sources for proxy configuration, from most specific
* to least specific. */
/* remote.<name>.proxy config setting */
if (remote->name && remote->name[0]) {
git_buf buf = GIT_BUF_INIT;
if ((error = git_buf_printf(&buf, "remote.%s.proxy", remote->name)) < 0)
return error;
error = git_config__lookup_entry(&ce, cfg, git_buf_cstr(&buf), false);
git_buf_free(&buf);
if (error < 0)
return error;
if (ce && ce->value) {
val = ce->value;
goto found;
}
}
/* http.proxy config setting */
if ((error = git_config__lookup_entry(&ce, cfg, "http.proxy", false)) < 0)
return error;
if (ce && ce->value) {
val = ce->value;
goto found;
}
/* HTTP_PROXY / HTTPS_PROXY environment variables */
val = use_ssl ? getenv("HTTPS_PROXY") : getenv("HTTP_PROXY");
found:
if (val && val[0]) {
*proxy_url = git__strdup(val);
GITERR_CHECK_ALLOC(*proxy_url);
}
return 0;
}
/* DWIM `refspecs` based on `refs` and append the output to `out` */
static int dwim_refspecs(git_vector *out, git_vector *refspecs, git_vector *refs)
{
size_t i;
git_refspec *spec;
git_vector_foreach(refspecs, i, spec) {
if (git_refspec__dwim_one(out, spec, refs) < 0)
return -1;
}
return 0;
}
static void free_refspecs(git_vector *vec)
{
size_t i;
git_refspec *spec;
git_vector_foreach(vec, i, spec) {
git_refspec__free(spec);
git__free(spec);
}
git_vector_clear(vec);
}
static int remote_head_cmp(const void *_a, const void *_b)
{
const git_remote_head *a = (git_remote_head *) _a;
const git_remote_head *b = (git_remote_head *) _b;
return git__strcmp_cb(a->name, b->name);
}
static int ls_to_vector(git_vector *out, git_remote *remote)
{
git_remote_head **heads;
size_t heads_len, i;
if (git_remote_ls((const git_remote_head ***)&heads, &heads_len, remote) < 0)
return -1;
if (git_vector_init(out, heads_len, remote_head_cmp) < 0)
return -1;
for (i = 0; i < heads_len; i++) {
if (git_vector_insert(out, heads[i]) < 0)
return -1;
}
return 0;
}
int git_remote_download(git_remote *remote, const git_strarray *refspecs)
{
int error = -1;
size_t i;
git_vector refs, specs, *to_active;
assert(remote);
if (ls_to_vector(&refs, remote) < 0)
return -1;
if ((git_vector_init(&specs, 0, NULL)) < 0)
goto on_error;
remote->passed_refspecs = 0;
if (!refspecs || !refspecs->count) {
to_active = &remote->refspecs;
} else {
for (i = 0; i < refspecs->count; i++) {
if ((error = add_refspec_to(&specs, refspecs->strings[i], true)) < 0)
goto on_error;
}
to_active = &specs;
remote->passed_refspecs = 1;
}
free_refspecs(&remote->passive_refspecs);
if ((error = dwim_refspecs(&remote->passive_refspecs, &remote->refspecs, &refs)) < 0)
goto on_error;
free_refspecs(&remote->active_refspecs);
error = dwim_refspecs(&remote->active_refspecs, to_active, &refs);
git_vector_free(&refs);
free_refspecs(&specs);
git_vector_free(&specs);
if (error < 0)
return error;
if ((error = git_fetch_negotiate(remote)) < 0)
return error;
return git_fetch_download_pack(remote);
on_error:
git_vector_free(&refs);
free_refspecs(&specs);
git_vector_free(&specs);
return error;
}
int git_remote_fetch(
git_remote *remote,
const git_strarray *refspecs,
const git_signature *signature,
const char *reflog_message)
{
int error;
git_buf reflog_msg_buf = GIT_BUF_INIT;
/* Connect and download everything */
if ((error = git_remote_connect(remote, GIT_DIRECTION_FETCH)) != 0)
return error;
error = git_remote_download(remote, refspecs);
/* We don't need to be connected anymore */
git_remote_disconnect(remote);
/* If the download failed, return the error */
if (error != 0)
return error;
/* Default reflog message */
if (reflog_message)
git_buf_sets(&reflog_msg_buf, reflog_message);
else {
git_buf_printf(&reflog_msg_buf, "fetch %s",
remote->name ? remote->name : remote->url);
}
/* Create "remote/foo" branches for all remote branches */
error = git_remote_update_tips(remote, signature, git_buf_cstr(&reflog_msg_buf));
git_buf_free(&reflog_msg_buf);
return error;
}
static int remote_head_for_fetchspec_src(git_remote_head **out, git_vector *update_heads, const char *fetchspec_src)
{
unsigned int i;
git_remote_head *remote_ref;
assert(update_heads && fetchspec_src);
*out = NULL;
git_vector_foreach(update_heads, i, remote_ref) {
if (strcmp(remote_ref->name, fetchspec_src) == 0) {
*out = remote_ref;
break;
}
}
return 0;
}
static int remote_head_for_ref(git_remote_head **out, git_remote *remote, git_refspec *spec, git_vector *update_heads, git_reference *ref)
{
git_reference *resolved_ref = NULL;
git_buf remote_name = GIT_BUF_INIT;
git_buf upstream_name = GIT_BUF_INIT;
git_buf config_key = GIT_BUF_INIT;
git_repository *repo;
git_config *config = NULL;
const char *ref_name, *branch_remote;
int error = 0;
assert(out && spec && ref);
*out = NULL;
repo = git_reference_owner(ref);
error = git_reference_resolve(&resolved_ref, ref);
/* If we're in an unborn branch, let's pretend nothing happened */
if (error == GIT_ENOTFOUND && git_reference_type(ref) == GIT_REF_SYMBOLIC) {
ref_name = git_reference_symbolic_target(ref);
error = 0;
} else {
ref_name = git_reference_name(resolved_ref);
}
if ((!git_reference__is_branch(ref_name)) ||
(error = git_repository_config_snapshot(&config, repo)) < 0 ||
(error = git_buf_printf(&config_key, "branch.%s.remote",
ref_name + strlen(GIT_REFS_HEADS_DIR))) < 0 ||
(error = git_config_get_string(&branch_remote, config, git_buf_cstr(&config_key))) < 0 ||
git__strcmp(git_remote_name(remote), branch_remote) ||
(error = git_branch_upstream_name(&upstream_name, repo, ref_name)) < 0 ||
(error = git_refspec_rtransform(&remote_name, spec, upstream_name.ptr)) < 0) {
/* Not an error if there is no upstream */
if (error == GIT_ENOTFOUND)
error = 0;
goto cleanup;
}
error = remote_head_for_fetchspec_src(out, update_heads, git_buf_cstr(&remote_name));
cleanup:
git_reference_free(resolved_ref);
git_buf_free(&remote_name);
git_buf_free(&upstream_name);
git_buf_free(&config_key);
git_config_free(config);
return error;
}
static int git_remote_write_fetchhead(git_remote *remote, git_refspec *spec, git_vector *update_heads)
{
git_reference *head_ref = NULL;
git_fetchhead_ref *fetchhead_ref;
git_remote_head *remote_ref, *merge_remote_ref;
git_vector fetchhead_refs;
bool include_all_fetchheads;
unsigned int i = 0;
int error = 0;
assert(remote);
/* no heads, nothing to do */
if (update_heads->length == 0)
return 0;
if (git_vector_init(&fetchhead_refs, update_heads->length, git_fetchhead_ref_cmp) < 0)
return -1;
/* Iff refspec is * (but not subdir slash star), include tags */
include_all_fetchheads = (strcmp(GIT_REFS_HEADS_DIR "*", git_refspec_src(spec)) == 0);
/* Determine what to merge: if refspec was a wildcard, just use HEAD */
if (git_refspec_is_wildcard(spec)) {
if ((error = git_reference_lookup(&head_ref, remote->repo, GIT_HEAD_FILE)) < 0 ||
(error = remote_head_for_ref(&merge_remote_ref, remote, spec, update_heads, head_ref)) < 0)
goto cleanup;
} else {
/* If we're fetching a single refspec, that's the only thing that should be in FETCH_HEAD. */
if ((error = remote_head_for_fetchspec_src(&merge_remote_ref, update_heads, git_refspec_src(spec))) < 0)
goto cleanup;
}
/* Create the FETCH_HEAD file */
git_vector_foreach(update_heads, i, remote_ref) {
int merge_this_fetchhead = (merge_remote_ref == remote_ref);
if (!include_all_fetchheads &&
!git_refspec_src_matches(spec, remote_ref->name) &&
!merge_this_fetchhead)
continue;
if (git_fetchhead_ref_create(&fetchhead_ref,
&remote_ref->oid,
merge_this_fetchhead,
remote_ref->name,
git_remote_url(remote)) < 0)
goto cleanup;
if (git_vector_insert(&fetchhead_refs, fetchhead_ref) < 0)
goto cleanup;
}
git_fetchhead_write(remote->repo, &fetchhead_refs);
cleanup:
for (i = 0; i < fetchhead_refs.length; ++i)
git_fetchhead_ref_free(fetchhead_refs.contents[i]);
git_vector_free(&fetchhead_refs);
git_reference_free(head_ref);
return error;
}
static int update_tips_for_spec(
git_remote *remote,
git_refspec *spec,
git_vector *refs,
const git_signature *signature,
const char *log_message)
{
int error = 0, autotag;
unsigned int i = 0;
git_buf refname = GIT_BUF_INIT;
git_oid old;
git_odb *odb;
git_remote_head *head;
git_reference *ref;
git_refspec tagspec;
git_vector update_heads;
assert(remote);
if (git_repository_odb__weakptr(&odb, remote->repo) < 0)
return -1;
if (git_refspec__parse(&tagspec, GIT_REFSPEC_TAGS, true) < 0)
return -1;
/* Make a copy of the transport's refs */
if (git_vector_init(&update_heads, 16, NULL) < 0)
return -1;
for (; i < refs->length; ++i) {
head = git_vector_get(refs, i);
autotag = 0;
/* Ignore malformed ref names (which also saves us from tag^{} */
if (!git_reference_is_valid_name(head->name))
continue;
if (git_refspec_src_matches(spec, head->name) && spec->dst) {
if (git_refspec_transform(&refname, spec, head->name) < 0)
goto on_error;
} else if (remote->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_NONE) {
if (remote->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_ALL)
autotag = 1;
if (!git_refspec_src_matches(&tagspec, head->name))
continue;
git_buf_clear(&refname);
if (git_buf_puts(&refname, head->name) < 0)
goto on_error;
} else {
continue;
}
if (autotag && !git_odb_exists(odb, &head->oid))
continue;
if (!autotag && git_vector_insert(&update_heads, head) < 0)
goto on_error;
error = git_reference_name_to_id(&old, remote->repo, refname.ptr);
if (error < 0 && error != GIT_ENOTFOUND)
goto on_error;
if (error == GIT_ENOTFOUND) {
memset(&old, 0, GIT_OID_RAWSZ);
if (autotag && git_vector_insert(&update_heads, head) < 0)
goto on_error;
}
if (!git_oid__cmp(&old, &head->oid))
continue;
/* In autotag mode, don't overwrite any locally-existing tags */
error = git_reference_create(&ref, remote->repo, refname.ptr, &head->oid, !autotag,
signature, log_message);
if (error < 0 && error != GIT_EEXISTS)
goto on_error;
git_reference_free(ref);
if (remote->callbacks.update_tips != NULL) {
if (remote->callbacks.update_tips(refname.ptr, &old, &head->oid, remote->callbacks.payload) < 0)
goto on_error;
}
}
if (git_remote_update_fetchhead(remote) &&
(error = git_remote_write_fetchhead(remote, spec, &update_heads)) < 0)
goto on_error;
git_vector_free(&update_heads);
git_refspec__free(&tagspec);
git_buf_free(&refname);
return 0;
on_error:
git_vector_free(&update_heads);
git_refspec__free(&tagspec);
git_buf_free(&refname);
return -1;
}
/**
* Iteration over the three vectors, with a pause whenever we find a match
*
* On each stop, we store the iteration stat in the inout i,j,k
* parameters, and return the currently matching passive refspec as
* well as the head which we matched.
*/
static int next_head(const git_remote *remote, git_vector *refs,
git_refspec **out_spec, git_remote_head **out_head,
size_t *out_i, size_t *out_j, size_t *out_k)
{
const git_vector *active, *passive;
git_remote_head *head;
git_refspec *spec, *passive_spec;
size_t i, j, k;
active = &remote->active_refspecs;
passive = &remote->passive_refspecs;
i = *out_i;
j = *out_j;
k = *out_k;
for (; i < refs->length; i++) {
head = git_vector_get(refs, i);
if (!git_reference_is_valid_name(head->name))
continue;
for (; j < active->length; j++) {
spec = git_vector_get(active, j);
if (!git_refspec_src_matches(spec, head->name))
continue;
for (; k < passive->length; k++) {
passive_spec = git_vector_get(passive, k);
if (!git_refspec_src_matches(passive_spec, head->name))
continue;
*out_spec = passive_spec;
*out_head = head;
*out_i = i;
*out_j = j;
*out_k = k + 1;
return 0;
}
k = 0;
}
j = 0;
}
return GIT_ITEROVER;
}
static int opportunistic_updates(const git_remote *remote, git_vector *refs, const git_signature *sig, const char *msg)
{
size_t i, j, k;
git_refspec *spec;
git_remote_head *head;
git_reference *ref;
git_buf refname = GIT_BUF_INIT;
int error;
i = j = k = 0;
while ((error = next_head(remote, refs, &spec, &head, &i, &j, &k)) == 0) {
/*
* If we got here, there is a refspec which was used
* for fetching which matches the source of one of the
* passive refspecs, so we should update that
* remote-tracking branch, but not add it to
* FETCH_HEAD
*/
if ((error = git_refspec_transform(&refname, spec, head->name)) < 0)
return error;
error = git_reference_create(&ref, remote->repo, refname.ptr, &head->oid, true, sig, msg);
git_buf_free(&refname);
git_reference_free(ref);
if (error < 0)
return error;
}
return 0;
}
int git_remote_update_tips(
git_remote *remote,
const git_signature *signature,
const char *reflog_message)
{
git_refspec *spec, tagspec;
git_vector refs;
int error;
size_t i;
if (git_refspec__parse(&tagspec, GIT_REFSPEC_TAGS, true) < 0)
return -1;
if ((error = ls_to_vector(&refs, remote)) < 0)
goto out;
if (remote->download_tags == GIT_REMOTE_DOWNLOAD_TAGS_ALL) {
error = update_tips_for_spec(remote, &tagspec, &refs, signature, reflog_message);
goto out;
}
git_vector_foreach(&remote->active_refspecs, i, spec) {
if (spec->push)
continue;
if ((error = update_tips_for_spec(remote, spec, &refs, signature, reflog_message)) < 0)
goto out;
}
/* only try to do opportunisitic updates if the refpec lists differ */
if (remote->passed_refspecs)
error = opportunistic_updates(remote, &refs, signature, reflog_message);
out:
git_vector_free(&refs);
git_refspec__free(&tagspec);
return error;
}
int git_remote_connected(const git_remote *remote)
{
assert(remote);
if (!remote->transport || !remote->transport->is_connected)
return 0;
/* Ask the transport if it's connected. */
return remote->transport->is_connected(remote->transport);
}
void git_remote_stop(git_remote *remote)
{
assert(remote);
if (remote->transport && remote->transport->cancel)
remote->transport->cancel(remote->transport);
}
void git_remote_disconnect(git_remote *remote)
{
assert(remote);
if (git_remote_connected(remote))
remote->transport->close(remote->transport);
}
void git_remote_free(git_remote *remote)
{
if (remote == NULL)
return;
if (remote->transport != NULL) {
git_remote_disconnect(remote);
remote->transport->free(remote->transport);
remote->transport = NULL;
}
git_vector_free(&remote->refs);
free_refspecs(&remote->refspecs);
git_vector_free(&remote->refspecs);
free_refspecs(&remote->active_refspecs);
git_vector_free(&remote->active_refspecs);
free_refspecs(&remote->passive_refspecs);
git_vector_free(&remote->passive_refspecs);
git__free(remote->url);
git__free(remote->pushurl);
git__free(remote->name);
git__free(remote);
}
static int remote_list_cb(const git_config_entry *entry, void *payload)
{
git_vector *list = payload;
const char *name = entry->name + strlen("remote.");
size_t namelen = strlen(name);
char *remote_name;
/* we know name matches "remote.<stuff>.(push)?url" */
if (!strcmp(&name[namelen - 4], ".url"))
remote_name = git__strndup(name, namelen - 4); /* strip ".url" */
else
remote_name = git__strndup(name, namelen - 8); /* strip ".pushurl" */
GITERR_CHECK_ALLOC(remote_name);
return git_vector_insert(list, remote_name);
}
int git_remote_list(git_strarray *remotes_list, git_repository *repo)
{
int error;
git_config *cfg;
git_vector list = GIT_VECTOR_INIT;
if ((error = git_repository_config__weakptr(&cfg, repo)) < 0)
return error;
if ((error = git_vector_init(&list, 4, git__strcmp_cb)) < 0)
return error;
error = git_config_foreach_match(
cfg, "^remote\\..*\\.(push)?url$", remote_list_cb, &list);
if (error < 0) {
git_vector_free_deep(&list);
return error;
}
git_vector_uniq(&list, git__free);
remotes_list->strings =
(char **)git_vector_detach(&remotes_list->count, NULL, &list);
return 0;
}
int git_remote_set_callbacks(git_remote *remote, const git_remote_callbacks *callbacks)
{
assert(remote && callbacks);
GITERR_CHECK_VERSION(callbacks, GIT_REMOTE_CALLBACKS_VERSION, "git_remote_callbacks");
memcpy(&remote->callbacks, callbacks, sizeof(git_remote_callbacks));
if (remote->transport && remote->transport->set_callbacks)
return remote->transport->set_callbacks(remote->transport,
remote->callbacks.sideband_progress,
NULL,
remote->callbacks.certificate_check,
remote->callbacks.payload);
return 0;
}
const git_remote_callbacks *git_remote_get_callbacks(git_remote *remote)
{
assert(remote);
return &remote->callbacks;
}
int git_remote_set_transport(
git_remote *remote,
git_transport_cb transport_cb,
void *payload)
{
assert(remote);
if (remote->transport) {
giterr_set(GITERR_NET, "A transport is already bound to this remote");
return -1;
}
remote->transport_cb = transport_cb;
remote->transport_cb_payload = payload;
return 0;
}
const git_transfer_progress* git_remote_stats(git_remote *remote)
{
assert(remote);
return &remote->stats;
}
git_remote_autotag_option_t git_remote_autotag(const git_remote *remote)
{
return remote->download_tags;
}
void git_remote_set_autotag(git_remote *remote, git_remote_autotag_option_t value)
{
remote->download_tags = value;
}
static int rename_remote_config_section(
git_repository *repo,
const char *old_name,
const char *new_name)
{
git_buf old_section_name = GIT_BUF_INIT,
new_section_name = GIT_BUF_INIT;
int error = -1;
if (git_buf_printf(&old_section_name, "remote.%s", old_name) < 0)
goto cleanup;
if (new_name &&
(git_buf_printf(&new_section_name, "remote.%s", new_name) < 0))
goto cleanup;
error = git_config_rename_section(
repo,
git_buf_cstr(&old_section_name),
new_name ? git_buf_cstr(&new_section_name) : NULL);
cleanup:
git_buf_free(&old_section_name);
git_buf_free(&new_section_name);
return error;
}
struct update_data {
git_config *config;
const char *old_remote_name;
const char *new_remote_name;
};
static int update_config_entries_cb(
const git_config_entry *entry,
void *payload)
{
struct update_data *data = (struct update_data *)payload;
if (strcmp(entry->value, data->old_remote_name))
return 0;
return git_config_set_string(
data->config, entry->name, data->new_remote_name);
}
static int update_branch_remote_config_entry(
git_repository *repo,
const char *old_name,
const char *new_name)
{
int error;
struct update_data data = { NULL };
if ((error = git_repository_config__weakptr(&data.config, repo)) < 0)
return error;
data.old_remote_name = old_name;
data.new_remote_name = new_name;
return git_config_foreach_match(
data.config, "branch\\..+\\.remote", update_config_entries_cb, &data);
}
static int rename_one_remote_reference(
git_reference *reference_in,
const char *old_remote_name,
const char *new_remote_name)
{
int error;
git_reference *ref = NULL, *dummy = NULL;
git_buf namespace = GIT_BUF_INIT, old_namespace = GIT_BUF_INIT;
git_buf new_name = GIT_BUF_INIT;
git_buf log_message = GIT_BUF_INIT;
size_t pfx_len;
const char *target;
if ((error = git_buf_printf(&namespace, GIT_REFS_REMOTES_DIR "%s/", new_remote_name)) < 0)
return error;
pfx_len = strlen(GIT_REFS_REMOTES_DIR) + strlen(old_remote_name) + 1;
git_buf_puts(&new_name, namespace.ptr);
if ((error = git_buf_puts(&new_name, git_reference_name(reference_in) + pfx_len)) < 0)
goto cleanup;
if ((error = git_buf_printf(&log_message,
"renamed remote %s to %s",
old_remote_name, new_remote_name)) < 0)
goto cleanup;
if ((error = git_reference_rename(&ref, reference_in, git_buf_cstr(&new_name), 1,
NULL, git_buf_cstr(&log_message))) < 0)
goto cleanup;
if (git_reference_type(ref) != GIT_REF_SYMBOLIC)
goto cleanup;
/* Handle refs like origin/HEAD -> origin/master */
target = git_reference_symbolic_target(ref);
if ((error = git_buf_printf(&old_namespace, GIT_REFS_REMOTES_DIR "%s/", old_remote_name)) < 0)
goto cleanup;
if (git__prefixcmp(target, old_namespace.ptr))
goto cleanup;
git_buf_clear(&new_name);
git_buf_puts(&new_name, namespace.ptr);
if ((error = git_buf_puts(&new_name, target + pfx_len)) < 0)
goto cleanup;
error = git_reference_symbolic_set_target(&dummy, ref, git_buf_cstr(&new_name),
NULL, git_buf_cstr(&log_message));
git_reference_free(dummy);
cleanup:
git_reference_free(reference_in);
git_reference_free(ref);
git_buf_free(&namespace);
git_buf_free(&old_namespace);
git_buf_free(&new_name);
git_buf_free(&log_message);
return error;
}
static int rename_remote_references(
git_repository *repo,
const char *old_name,
const char *new_name)
{
int error;
git_buf buf = GIT_BUF_INIT;
git_reference *ref;
git_reference_iterator *iter;
if ((error = git_buf_printf(&buf, GIT_REFS_REMOTES_DIR "%s/*", old_name)) < 0)
return error;
error = git_reference_iterator_glob_new(&iter, repo, git_buf_cstr(&buf));
git_buf_free(&buf);
if (error < 0)
return error;
while ((error = git_reference_next(&ref, iter)) == 0) {
if ((error = rename_one_remote_reference(ref, old_name, new_name)) < 0)
break;
}
git_reference_iterator_free(iter);
return (error == GIT_ITEROVER) ? 0 : error;
}
static int rename_fetch_refspecs(git_vector *problems, git_remote *remote, const char *new_name)
{
git_config *config;
git_buf base = GIT_BUF_INIT, var = GIT_BUF_INIT, val = GIT_BUF_INIT;
const git_refspec *spec;
size_t i;
int error = 0;
if ((error = git_repository_config__weakptr(&config, remote->repo)) < 0)
return error;
if ((error = git_vector_init(problems, 1, NULL)) < 0)
return error;
if ((error = git_buf_printf(
&base, "+refs/heads/*:refs/remotes/%s/*", remote->name)) < 0)
return error;
git_vector_foreach(&remote->refspecs, i, spec) {
if (spec->push)
continue;
/* Does the dst part of the refspec follow the expected format? */
if (strcmp(git_buf_cstr(&base), spec->string)) {
char *dup;
dup = git__strdup(spec->string);
GITERR_CHECK_ALLOC(dup);
if ((error = git_vector_insert(problems, dup)) < 0)
break;
continue;
}
/* If we do want to move it to the new section */
git_buf_clear(&val);
git_buf_clear(&var);
if (git_buf_printf(
&val, "+refs/heads/*:refs/remotes/%s/*", new_name) < 0 ||
git_buf_printf(&var, "remote.%s.fetch", new_name) < 0)
{
error = -1;
break;
}
if ((error = git_config_set_string(
config, git_buf_cstr(&var), git_buf_cstr(&val))) < 0)
break;
}
git_buf_free(&base);
git_buf_free(&var);
git_buf_free(&val);
if (error < 0) {
char *str;
git_vector_foreach(problems, i, str)
git__free(str);
git_vector_free(problems);
}
return error;
}
int git_remote_rename(git_strarray *out, git_repository *repo, const char *name, const char *new_name)
{
int error;
git_vector problem_refspecs = GIT_VECTOR_INIT;
git_remote *remote = NULL;
assert(out && repo && name && new_name);
if ((error = git_remote_load(&remote, repo, name)) < 0)
return -1;
if ((error = ensure_remote_name_is_valid(new_name)) < 0)
goto cleanup;
if ((error = ensure_remote_doesnot_exist(repo, new_name)) < 0)
goto cleanup;
if ((error = rename_remote_config_section(repo, name, new_name)) < 0)
goto cleanup;
if ((error = update_branch_remote_config_entry(repo, name, new_name)) < 0)
goto cleanup;
if ((error = rename_remote_references(repo, name, new_name)) < 0)
goto cleanup;
if ((error = rename_fetch_refspecs(&problem_refspecs, remote, new_name)) < 0)
goto cleanup;
out->count = problem_refspecs.length;
out->strings = (char **) problem_refspecs.contents;
cleanup:
if (error < 0)
git_vector_free(&problem_refspecs);
git_remote_free(remote);
return error;
}
int git_remote_update_fetchhead(git_remote *remote)
{
return (remote->update_fetchhead != 0);
}
void git_remote_set_update_fetchhead(git_remote *remote, int value)
{
remote->update_fetchhead = (value != 0);
}
int git_remote_is_valid_name(
const char *remote_name)
{
git_buf buf = GIT_BUF_INIT;
git_refspec refspec;
int error = -1;
if (!remote_name || *remote_name == '\0')
return 0;
git_buf_printf(&buf, "refs/heads/test:refs/remotes/%s/test", remote_name);
error = git_refspec__parse(&refspec, git_buf_cstr(&buf), true);
git_buf_free(&buf);
git_refspec__free(&refspec);
giterr_clear();
return error == 0;
}
git_refspec *git_remote__matching_refspec(git_remote *remote, const char *refname)
{
git_refspec *spec;
size_t i;
git_vector_foreach(&remote->active_refspecs, i, spec) {
if (spec->push)
continue;
if (git_refspec_src_matches(spec, refname))
return spec;
}
return NULL;
}
git_refspec *git_remote__matching_dst_refspec(git_remote *remote, const char *refname)
{
git_refspec *spec;
size_t i;
git_vector_foreach(&remote->active_refspecs, i, spec) {
if (spec->push)
continue;
if (git_refspec_dst_matches(spec, refname))
return spec;
}
return NULL;
}
void git_remote_clear_refspecs(git_remote *remote)
{
git_refspec *spec;
size_t i;
git_vector_foreach(&remote->refspecs, i, spec) {
git_refspec__free(spec);
git__free(spec);
}
git_vector_clear(&remote->refspecs);
}
int git_remote_add_fetch(git_remote *remote, const char *refspec)
{
return add_refspec(remote, refspec, true);
}
int git_remote_add_push(git_remote *remote, const char *refspec)
{
return add_refspec(remote, refspec, false);
}
static int set_refspecs(git_remote *remote, git_strarray *array, int push)
{
git_vector *vec = &remote->refspecs;
git_refspec *spec;
size_t i;
/* Start by removing any refspecs of the same type */
for (i = 0; i < vec->length; i++) {
spec = git_vector_get(vec, i);
if (spec->push != push)
continue;
git_refspec__free(spec);
git__free(spec);
git_vector_remove(vec, i);
i--;
}
/* And now we add the new ones */
for (i = 0; i < array->count; i++) {
if (add_refspec(remote, array->strings[i], !push) < 0)
return -1;
}
return 0;
}
int git_remote_set_fetch_refspecs(git_remote *remote, git_strarray *array)
{
return set_refspecs(remote, array, false);
}
int git_remote_set_push_refspecs(git_remote *remote, git_strarray *array)
{
return set_refspecs(remote, array, true);
}
static int copy_refspecs(git_strarray *array, const git_remote *remote, unsigned int push)
{
size_t i;
git_vector refspecs;
git_refspec *spec;
char *dup;
if (git_vector_init(&refspecs, remote->refspecs.length, NULL) < 0)
return -1;
git_vector_foreach(&remote->refspecs, i, spec) {
if (spec->push != push)
continue;
if ((dup = git__strdup(spec->string)) == NULL)
goto on_error;
if (git_vector_insert(&refspecs, dup) < 0) {
git__free(dup);
goto on_error;
}
}
array->strings = (char **)refspecs.contents;
array->count = refspecs.length;
return 0;
on_error:
git_vector_free_deep(&refspecs);
return -1;
}
int git_remote_get_fetch_refspecs(git_strarray *array, const git_remote *remote)
{
return copy_refspecs(array, remote, false);
}
int git_remote_get_push_refspecs(git_strarray *array, const git_remote *remote)
{
return copy_refspecs(array, remote, true);
}
size_t git_remote_refspec_count(const git_remote *remote)
{
return remote->refspecs.length;
}
const git_refspec *git_remote_get_refspec(const git_remote *remote, size_t n)
{
return git_vector_get(&remote->refspecs, n);
}
int git_remote_init_callbacks(git_remote_callbacks *opts, unsigned int version)
{
GIT_INIT_STRUCTURE_FROM_TEMPLATE(
opts, version, git_remote_callbacks, GIT_REMOTE_CALLBACKS_INIT);
return 0;
}
/* asserts a branch.<foo>.remote format */
static const char *name_offset(size_t *len_out, const char *name)
{
size_t prefix_len;
const char *dot;
prefix_len = strlen("remote.");
dot = strchr(name + prefix_len, '.');
assert(dot);
*len_out = dot - name - prefix_len;
return name + prefix_len;
}
static int remove_branch_config_related_entries(
git_repository *repo,
const char *remote_name)
{
int error;
git_config *config;
git_config_entry *entry;
git_config_iterator *iter;
git_buf buf = GIT_BUF_INIT;
if ((error = git_repository_config__weakptr(&config, repo)) < 0)
return error;
if ((error = git_config_iterator_glob_new(&iter, config, "branch\\..+\\.remote")) < 0)
return error;
/* find any branches with us as upstream and remove that config */
while ((error = git_config_next(&entry, iter)) == 0) {
const char *branch;
size_t branch_len;
if (strcmp(remote_name, entry->value))
continue;
branch = name_offset(&branch_len, entry->name);
git_buf_clear(&buf);
if (git_buf_printf(&buf, "branch.%.*s.merge", (int)branch_len, branch) < 0)
break;
if ((error = git_config_delete_entry(config, git_buf_cstr(&buf))) < 0)
break;
git_buf_clear(&buf);
if (git_buf_printf(&buf, "branch.%.*s.remote", (int)branch_len, branch) < 0)
break;
if ((error = git_config_delete_entry(config, git_buf_cstr(&buf))) < 0)
break;
}
if (error == GIT_ITEROVER)
error = 0;
git_buf_free(&buf);
git_config_iterator_free(iter);
return error;
}
static int remove_refs(git_repository *repo, const git_refspec *spec)
{
git_reference_iterator *iter = NULL;
git_vector refs;
const char *name;
char *dup;
int error;
size_t i;
if ((error = git_vector_init(&refs, 8, NULL)) < 0)
return error;
if ((error = git_reference_iterator_new(&iter, repo)) < 0)
goto cleanup;
while ((error = git_reference_next_name(&name, iter)) == 0) {
if (!git_refspec_dst_matches(spec, name))
continue;
dup = git__strdup(name);
if (!dup) {
error = -1;
goto cleanup;
}
if ((error = git_vector_insert(&refs, dup)) < 0)
goto cleanup;
}
if (error == GIT_ITEROVER)
error = 0;
if (error < 0)
goto cleanup;
git_vector_foreach(&refs, i, name) {
if ((error = git_reference_remove(repo, name)) < 0)
break;
}
cleanup:
git_reference_iterator_free(iter);
git_vector_foreach(&refs, i, dup) {
git__free(dup);
}
git_vector_free(&refs);
return error;
}
static int remove_remote_tracking(git_repository *repo, const char *remote_name)
{
git_remote *remote;
int error;
size_t i, count;
/* we want to use what's on the config, regardless of changes to the instance in memory */
if ((error = git_remote_load(&remote, repo, remote_name)) < 0)
return error;
count = git_remote_refspec_count(remote);
for (i = 0; i < count; i++) {
const git_refspec *refspec = git_remote_get_refspec(remote, i);
/* shouldn't ever actually happen */
if (refspec == NULL)
continue;
if ((error = remove_refs(repo, refspec)) < 0)
break;
}
git_remote_free(remote);
return error;
}
int git_remote_delete(git_repository *repo, const char *name)
{
int error;
assert(repo && name);
if ((error = remove_branch_config_related_entries(repo, name)) < 0 ||
(error = remove_remote_tracking(repo, name)) < 0 ||
(error = rename_remote_config_section(repo, name, NULL)) < 0)
return error;
return 0;
}
int git_remote_default_branch(git_buf *out, git_remote *remote)
{
const git_remote_head **heads;
const git_remote_head *guess = NULL;
const git_oid *head_id;
size_t heads_len, i;
int error;
assert(out);
if ((error = git_remote_ls(&heads, &heads_len, remote)) < 0)
return error;
if (heads_len == 0)
return GIT_ENOTFOUND;
if (strcmp(heads[0]->name, GIT_HEAD_FILE))
return GIT_ENOTFOUND;
git_buf_sanitize(out);
/* the first one must be HEAD so if that has the symref info, we're done */
if (heads[0]->symref_target)
return git_buf_puts(out, heads[0]->symref_target);
/*
* If there's no symref information, we have to look over them
* and guess. We return the first match unless the master
* branch is a candidate. Then we return the master branch.
*/
head_id = &heads[0]->oid;
for (i = 1; i < heads_len; i++) {
if (git_oid_cmp(head_id, &heads[i]->oid))
continue;
if (git__prefixcmp(heads[i]->name, GIT_REFS_HEADS_DIR))
continue;
if (!guess) {
guess = heads[i];
continue;
}
if (!git__strcmp(GIT_REFS_HEADS_MASTER_FILE, heads[i]->name)) {
guess = heads[i];
break;
}
}
if (!guess)
return GIT_ENOTFOUND;
return git_buf_puts(out, guess->name);
}