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Overview
| Comment: | Add symlink support for Unix. New settings flag "allow-symlinks" controls this (off by default). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | symlinks |
| Files: | files | file ages | folders |
| SHA1: |
ed2ef7e9a3b6a46da6bad49aa777e10b |
| User & Date: | dmitry 2011-01-28 19:04:30 |
Context
|
2011-02-07
| ||
| 17:50 | Fix segmentation fault in historical_version_of_file() when file has no permissions in manifest. check-in: 8e4e30fb user: dmitry tags: symlinks | |
|
2011-01-28
| ||
| 19:04 | Add symlink support for Unix. New settings flag "allow-symlinks" controls this (off by default). check-in: ed2ef7e9 user: dmitry tags: symlinks | |
| 18:57 | Create new branch named "symlinks". Mailing list thread check-in: a7b7ff3a user: dmitry tags: symlinks | |
Changes
Changes to src/add.c.
181 181 } 182 182 blob_appendf(&path, "/%s", pEntry->d_name); 183 183 zPath = blob_str(&path); 184 184 if( shouldBeIgnored(pIgnore, zPath) ){ 185 185 /* Noop */ 186 186 }else if( file_isdir(zPath)==1 ){ 187 187 add_directory_content(zPath, pIgnore); 188 - }else if( file_isfile(zPath) ){ 188 + }else if( file_isfile_or_link(zPath) ){ 189 189 db_multi_exec("INSERT INTO sfile VALUES(%Q)", zPath); 190 190 } 191 191 blob_resize(&path, origSize); 192 192 } 193 193 } 194 194 closedir(d); 195 195 blob_reset(&path); ................................................................................ 302 302 if( pEntry->d_name[1]==0 ) continue; 303 303 if( pEntry->d_name[1]=='.' && pEntry->d_name[2]==0 ) continue; 304 304 } 305 305 blob_appendf(&path, "/%s", pEntry->d_name); 306 306 zPath = blob_str(&path); 307 307 if( file_isdir(zPath)==1 ){ 308 308 del_directory_content(zPath); 309 - }else if( file_isfile(zPath) ){ 309 + }else if( file_isfile_or_link(zPath) ){ 310 310 char *zFilePath; 311 311 Blob pathname; 312 312 file_tree_name(zPath, &pathname, 1); 313 313 zFilePath = blob_str(&pathname); 314 314 if( !db_exists( 315 315 "SELECT 1 FROM vfile WHERE pathname=%Q AND NOT deleted", zFilePath) 316 316 ){ ................................................................................ 460 460 ); 461 461 while( db_step(&q)==SQLITE_ROW ){ 462 462 const char * zFile; 463 463 const char * zPath; 464 464 465 465 zFile = db_column_text(&q, 0); 466 466 zPath = db_column_text(&q, 1); 467 - if( !file_isfile(zPath) ){ 467 + if( !file_isfile_or_link(zPath) ){ 468 468 if( !isTest ){ 469 469 db_multi_exec("UPDATE vfile SET deleted=1 WHERE pathname=%Q", zFile); 470 470 } 471 471 printf("DELETED %s\n", zFile); 472 472 nDelete++; 473 473 } 474 474 }
Changes to src/blob.c.
643 643 got = fread(blob_buffer(pBlob), 1, size, in); 644 644 fclose(in); 645 645 if( got<size ){ 646 646 blob_resize(pBlob, got); 647 647 } 648 648 return got; 649 649 } 650 + 651 +/* 652 +** Reads symlink destination path and puts int into blob. 653 +** Any prior content of the blob is discarded, not freed. 654 +** 655 +** Returns length of destination path. 656 +** 657 +** On windows, zeros blob and returns 0. 658 +*/ 659 +int blob_read_link(Blob *pBlob, const char *zFilename){ 660 +#if !defined(_WIN32) 661 + char zBuf[1024]; 662 + ssize_t len = readlink(zFilename, zBuf, 1023); 663 + zBuf[len] = 0; 664 + blob_zero(pBlob); 665 + blob_appendf(pBlob, "%s", zBuf); 666 + return len; 667 +#else 668 + blob_zero(pBlob); 669 + return 0; 670 +#endif 671 +} 672 + 650 673 651 674 /* 652 675 ** Write the content of a blob into a file. 653 676 ** 654 677 ** If the filename is blank or "-" then write to standard output. 655 678 ** 656 679 ** Return the number of bytes written.
Changes to src/checkin.c.
51 51 int isChnged = db_column_int(&q,2); 52 52 int isNew = db_column_int(&q,3)==0; 53 53 int isRenamed = db_column_int(&q,4); 54 54 char *zFullName = mprintf("%s%s", g.zLocalRoot, zPathname); 55 55 blob_append(report, zPrefix, nPrefix); 56 56 if( isDeleted ){ 57 57 blob_appendf(report, "DELETED %s\n", zPathname); 58 - }else if( !file_isfile(zFullName) ){ 58 + }else if( !file_isfile_or_link(zFullName) ){ 59 59 if( access(zFullName, 0)==0 ){ 60 60 blob_appendf(report, "NOT_A_FILE %s\n", zPathname); 61 61 if( missingIsFatal ){ 62 62 fossil_warning("not a file: %s", zPathname); 63 63 nErr++; 64 64 } 65 65 }else{ ................................................................................ 179 179 char *zFullName = mprintf("%s%s", g.zLocalRoot, zPathname); 180 180 if( isBrief ){ 181 181 printf("%s\n", zPathname); 182 182 }else if( isNew ){ 183 183 printf("ADDED %s\n", zPathname); 184 184 }else if( isDeleted ){ 185 185 printf("DELETED %s\n", zPathname); 186 - }else if( !file_isfile(zFullName) ){ 186 + }else if( !file_isfile_or_link(zFullName) ){ 187 187 if( access(zFullName, 0)==0 ){ 188 188 printf("NOT_A_FILE %s\n", zPathname); 189 189 }else{ 190 190 printf("MISSING %s\n", zPathname); 191 191 } 192 192 }else if( chnged ){ 193 193 printf("EDITED %s\n", zPathname); ................................................................................ 617 617 pFile = 0; 618 618 } 619 619 blob_appendf(pOut, "C %F\n", blob_str(pComment)); 620 620 zDate = date_in_standard_format(zDateOvrd ? zDateOvrd : "now"); 621 621 blob_appendf(pOut, "D %s\n", zDate); 622 622 zDate[10] = ' '; 623 623 db_prepare(&q, 624 - "SELECT pathname, uuid, origname, blob.rid, isexe," 624 + "SELECT pathname, uuid, origname, blob.rid, isexe, islink," 625 625 " file_is_selected(vfile.id)" 626 626 " FROM vfile JOIN blob ON vfile.mrid=blob.rid" 627 627 " WHERE (NOT deleted OR NOT file_is_selected(vfile.id))" 628 628 " AND vfile.vid=%d" 629 629 " ORDER BY 1", vid); 630 630 blob_zero(&filename); 631 631 blob_appendf(&filename, "%s", g.zLocalRoot); ................................................................................ 632 632 nBasename = blob_size(&filename); 633 633 while( db_step(&q)==SQLITE_ROW ){ 634 634 const char *zName = db_column_text(&q, 0); 635 635 const char *zUuid = db_column_text(&q, 1); 636 636 const char *zOrig = db_column_text(&q, 2); 637 637 int frid = db_column_int(&q, 3); 638 638 int isexe = db_column_int(&q, 4); 639 - int isSelected = db_column_int(&q, 5); 639 + int isLink = db_column_int(&q, 5); 640 + int isSelected = db_column_int(&q, 6); 640 641 const char *zPerm; 641 642 int cmp; 642 643 #if !defined(_WIN32) 643 644 /* For unix, extract the "executable" permission bit directly from 644 645 ** the filesystem. On windows, the "executable" bit is retained 645 646 ** unchanged from the original. 646 647 */ 647 648 blob_resize(&filename, nBasename); 648 649 blob_append(&filename, zName, -1); 649 650 isexe = file_isexe(blob_str(&filename)); 651 + 652 + /* For unix, check if the file on the filesystem is symlink. 653 + ** On windows, the bit is retained unchanged from original. 654 + */ 655 + isLink = file_islink(blob_str(&filename)); 650 656 #endif 651 657 if( isexe ){ 652 658 zPerm = " x"; 659 + }else if( isLink ){ 660 + zPerm = " l"; /* note: symlinks don't have executable bit on unix */ 653 661 }else{ 654 662 zPerm = ""; 655 663 } 656 664 if( !g.markPrivate ) content_make_public(frid); 657 665 while( pFile && fossil_strcmp(pFile->zName,zName)<0 ){ 658 666 blob_appendf(pOut, "F %F\n", pFile->zName); 659 667 pFile = manifest_file_next(pBaseline, 0); ................................................................................ 991 999 Blob content; 992 1000 993 1001 id = db_column_int(&q, 0); 994 1002 zFullname = db_column_text(&q, 1); 995 1003 rid = db_column_int(&q, 2); 996 1004 997 1005 blob_zero(&content); 998 - blob_read_from_file(&content, zFullname); 1006 + if( file_islink(zFullname) ){ 1007 + /* Instead of file content, put link destination path */ 1008 + blob_read_link(&content, zFullname); 1009 + }else{ 1010 + blob_read_from_file(&content, zFullname); 1011 + } 999 1012 nrid = content_put(&content, 0, 0, 0); 1000 1013 blob_reset(&content); 1001 1014 if( rid>0 ){ 1002 1015 content_deltify(rid, nrid, 0); 1003 1016 } 1004 1017 db_multi_exec("UPDATE vfile SET mrid=%d, rid=%d WHERE id=%d", nrid,nrid,id); 1005 1018 db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d)", nrid);
Changes to src/checkout.c.
100 100 db_bind_text(&s, ":path", zFilename); 101 101 db_step(&s); 102 102 db_reset(&s); 103 103 } 104 104 105 105 /* 106 106 ** Set or clear the execute permission bit (as appropriate) for all 107 -** files in the current check-out. 107 +** files in the current check-out, and replace files that have 108 +** symlink bit with actual symlinks. 108 109 */ 109 110 void checkout_set_all_exe(int vid){ 110 111 Blob filename; 111 112 int baseLen; 112 113 Manifest *pManifest; 113 114 ManifestFile *pFile; 114 115
Changes to src/db.c.
738 738 */ 739 739 rc = sqlite3_prepare(g.db, "SELECT isexe FROM vfile", -1, &pStmt, 0); 740 740 sqlite3_finalize(pStmt); 741 741 if( rc==SQLITE_ERROR ){ 742 742 sqlite3_exec(g.db, "ALTER TABLE vfile ADD COLUMN isexe BOOLEAN", 0, 0, 0); 743 743 } 744 744 745 + /* If the "islink" column is missing from the vfile table, then 746 + ** add it now. This code added on 2011-01-17. After all users have 747 + ** upgraded, this code can be safely deleted. 748 + */ 749 + rc = sqlite3_prepare(g.db, "SELECT islink FROM vfile", -1, &pStmt, 0); 750 + sqlite3_finalize(pStmt); 751 + if( rc==SQLITE_ERROR ){ 752 + sqlite3_exec(g.db, "ALTER TABLE vfile ADD COLUMN islink BOOLEAN", 0, 0, 0); 753 + } 754 + 755 +#if 0 756 + /* If the "isLink" column is missing from the stashfile table, then 757 + ** add it now. This code added on 2011-01-18. After all users have 758 + ** upgraded, this code can be safely deleted. 759 + ** 760 + ** Table stashfile may not exist at all. We don't handle this case, 761 + ** and leave it to sqlite. 762 + */ 763 + rc = sqlite3_prepare(g.db, "SELECT isLink FROM stashfile", -1, &pStmt, 0); 764 + sqlite3_finalize(pStmt); 765 + /* NOTE: this prints "SQLITE_ERROR: no such column: isLink" for some reason */ 766 + if( rc==SQLITE_ERROR ){ 767 + sqlite3_exec(g.db, "ALTER TABLE stashfile ADD COLUMN isLink BOOLEAN", 0, 0, 0); 768 + } 769 +#endif 770 + 745 771 #if 0 746 772 /* If the "mtime" column is missing from the vfile table, then 747 773 ** add it now. This code added on 2008-12-06. After all users have 748 774 ** upgraded, this code can be safely deleted. 749 775 */ 750 776 rc = sqlite3_prepare(g.db, "SELECT mtime FROM vfile", -1, &pStmt, 0); 751 777 sqlite3_finalize(pStmt); ................................................................................ 845 871 }else{ 846 872 fossil_panic("not a valid repository: %s", zDbName); 847 873 } 848 874 } 849 875 db_open_or_attach(zDbName, "repository"); 850 876 g.repositoryOpen = 1; 851 877 g.zRepositoryName = mprintf("%s", zDbName); 878 + /* Cache "allow-symlinks" option, because we'll need it on every stat call */ 879 + g.allowSymlinks = db_get_boolean("allow-symlinks", 0); 852 880 } 853 881 854 882 /* 855 883 ** Flags for the db_find_and_open_repository() function. 856 884 */ 857 885 #if INTERFACE 858 886 #define OPEN_OK_NOT_FOUND 0x001 /* Do not error out if not found */ ................................................................................ 1603 1631 char const *name; /* Name of the setting */ 1604 1632 char const *var; /* Internal variable name used by db_set() */ 1605 1633 int width; /* Width of display. 0 for boolean values */ 1606 1634 char const *def; /* Default value */ 1607 1635 }; 1608 1636 #endif /* INTERFACE */ 1609 1637 struct stControlSettings const ctrlSettings[] = { 1638 + { "allow-symlinks",0, 0, "off" }, 1610 1639 { "access-log", 0, 0, "off" }, 1611 1640 { "auto-captcha", "autocaptcha", 0, "on" }, 1612 1641 { "auto-shun", 0, 0, "on" }, 1613 1642 { "autosync", 0, 0, "on" }, 1614 1643 { "binary-glob", 0, 32, "" }, 1615 1644 { "clearsign", 0, 0, "off" }, 1616 1645 { "default-perms", 0, 16, "u" }, ................................................................................ 1641 1670 ** 1642 1671 ** The "settings" command with no arguments lists all properties and their 1643 1672 ** values. With just a property name it shows the value of that property. 1644 1673 ** With a value argument it changes the property for the current repository. 1645 1674 ** 1646 1675 ** The "unset" command clears a property setting. 1647 1676 ** 1677 +** 1678 +** allow-symlinks If enabled, don't follow symlinks, and instead treat 1679 +** them as symlinks on Unix. Has no effect on Windows 1680 +** (existing links in repository created on Unix become 1681 +** plain-text files with link destination path inside). 1682 +** Default: off 1648 1683 ** 1649 1684 ** auto-captcha If enabled, the Login page provides a button to 1650 1685 ** fill in the captcha password. Default: on 1651 1686 ** 1652 1687 ** auto-shun If enabled, automatically pull the shunning list 1653 1688 ** from a server to which the client autosyncs. 1654 1689 ** Default: on
Changes to src/diffcmd.c.
57 57 const char *zName2; /* Name of zFile2 for display */ 58 58 59 59 /* Read content of zFile2 into memory */ 60 60 blob_zero(&file2); 61 61 if( file_size(zFile2)<0 ){ 62 62 zName2 = "/dev/null"; 63 63 }else{ 64 - blob_read_from_file(&file2, zFile2); 64 + if( file_islink(zFile2) ){ 65 + blob_read_link(&file2, zFile2); 66 + }else{ 67 + blob_read_from_file(&file2, zFile2); 68 + } 65 69 zName2 = zName; 66 70 } 67 71 68 72 /* Compute and output the differences */ 69 73 blob_zero(&out); 70 74 text_diff(pFile1, &file2, &out, 5, ignoreEolWs); 71 75 printf("--- %s\n+++ %s\n", zName, zName2); ................................................................................ 166 170 static void diff_one_against_disk( 167 171 const char *zFrom, /* Name of file */ 168 172 const char *zDiffCmd, /* Use this "diff" command */ 169 173 int ignoreEolWs /* Ignore whitespace changes at end of lines */ 170 174 ){ 171 175 Blob fname; 172 176 Blob content; 177 + int isLink; 173 178 file_tree_name(g.argv[2], &fname, 1); 174 - historical_version_of_file(zFrom, blob_str(&fname), &content, 0); 175 - diff_file(&content, g.argv[2], g.argv[2], zDiffCmd, ignoreEolWs); 179 + historical_version_of_file(zFrom, blob_str(&fname), &content, &isLink, 0); 180 + if( !isLink != !file_islink(zFrom) ){ 181 + printf("cannot compute difference between symlink and regular file\n"); 182 + }else{ 183 + diff_file(&content, g.argv[2], g.argv[2], zDiffCmd, ignoreEolWs); 184 + } 176 185 blob_reset(&content); 177 186 blob_reset(&fname); 178 187 } 179 188 180 189 /* 181 190 ** Run a diff between the version zFrom and files on disk. zFrom might 182 191 ** be NULL which means to simply show the difference between the edited ................................................................................ 202 211 if( zFrom ){ 203 212 int rid = name_to_rid(zFrom); 204 213 if( !is_a_version(rid) ){ 205 214 fossil_fatal("no such check-in: %s", zFrom); 206 215 } 207 216 load_vfile_from_rid(rid); 208 217 blob_appendf(&sql, 209 - "SELECT v2.pathname, v2.deleted, v2.chnged, v2.rid==0, v1.rid" 218 + "SELECT v2.pathname, v2.deleted, v2.chnged, v2.rid==0, v1.rid, v1.islink" 210 219 " FROM vfile v1, vfile v2 " 211 220 " WHERE v1.pathname=v2.pathname AND v1.vid=%d AND v2.vid=%d" 212 221 " AND (v2.deleted OR v2.chnged OR v1.mrid!=v2.rid)" 213 222 "UNION " 214 - "SELECT pathname, 1, 0, 0, 0" 223 + "SELECT pathname, 1, 0, 0, 0, islink" 215 224 " FROM vfile v1" 216 225 " WHERE v1.vid=%d" 217 226 " AND NOT EXISTS(SELECT 1 FROM vfile v2" 218 227 " WHERE v2.vid=%d AND v2.pathname=v1.pathname)" 219 228 "UNION " 220 - "SELECT pathname, 0, 0, 1, 0" 229 + "SELECT pathname, 0, 0, 1, 0, islink" 221 230 " FROM vfile v2" 222 231 " WHERE v2.vid=%d" 223 232 " AND NOT EXISTS(SELECT 1 FROM vfile v1" 224 233 " WHERE v1.vid=%d AND v1.pathname=v2.pathname)" 225 234 " ORDER BY 1", 226 235 rid, vid, rid, vid, vid, rid 227 236 ); 228 237 }else{ 229 238 blob_appendf(&sql, 230 - "SELECT pathname, deleted, chnged , rid==0, rid" 239 + "SELECT pathname, deleted, chnged , rid==0, rid, islink" 231 240 " FROM vfile" 232 241 " WHERE vid=%d" 233 242 " AND (deleted OR chnged OR rid==0)" 234 243 " ORDER BY pathname", 235 244 vid 236 245 ); 237 246 } ................................................................................ 238 247 db_prepare(&q, blob_str(&sql)); 239 248 while( db_step(&q)==SQLITE_ROW ){ 240 249 const char *zPathname = db_column_text(&q,0); 241 250 int isDeleted = db_column_int(&q, 1); 242 251 int isChnged = db_column_int(&q,2); 243 252 int isNew = db_column_int(&q,3); 244 253 int srcid = db_column_int(&q, 4); 254 + int isLink = db_column_int(&q, 5); 245 255 char *zFullName = mprintf("%s%s", g.zLocalRoot, zPathname); 246 256 char *zToFree = zFullName; 247 257 int showDiff = 1; 248 258 if( isDeleted ){ 249 259 printf("DELETED %s\n", zPathname); 250 260 if( !asNewFile ){ showDiff = 0; zFullName = "/dev/null"; } 251 261 }else if( access(zFullName, 0) ){ ................................................................................ 257 267 if( !asNewFile ){ showDiff = 0; } 258 268 }else if( isChnged==3 ){ 259 269 printf("ADDED_BY_MERGE %s\n", zPathname); 260 270 srcid = 0; 261 271 if( !asNewFile ){ showDiff = 0; } 262 272 } 263 273 if( showDiff ){ 274 + if( !isLink != !file_islink(zFullName) ){ 275 + diff_print_index(zPathname); 276 + printf("--- %s\n+++ %s\n", zPathname, zPathname); 277 + printf("cannot compute difference between symlink and regular file\n"); 278 + continue; 279 + } 264 280 Blob content; 265 281 if( srcid>0 ){ 266 282 content_get(srcid, &content); 267 283 }else{ 268 284 blob_zero(&content); 269 285 } 270 286 diff_print_index(zPathname); ................................................................................ 287 303 const char *zTo, 288 304 const char *zDiffCmd, 289 305 int ignoreEolWs 290 306 ){ 291 307 char *zName; 292 308 Blob fname; 293 309 Blob v1, v2; 310 + int isLink1, isLink2; 294 311 file_tree_name(g.argv[2], &fname, 1); 295 312 zName = blob_str(&fname); 296 - historical_version_of_file(zFrom, zName, &v1, 0); 297 - historical_version_of_file(zTo, zName, &v2, 0); 298 - diff_file_mem(&v1, &v2, zName, zDiffCmd, ignoreEolWs); 313 + historical_version_of_file(zFrom, zName, &v1, &isLink1, 0); 314 + historical_version_of_file(zTo, zName, &v2, &isLink2, 0); 315 + if( isLink1 != isLink2 ){ 316 + printf("--- %s\n+++ %s\n", zName, zName); 317 + printf("cannot compute difference between symlink and regular file\n"); 318 + }else{ 319 + diff_file_mem(&v1, &v2, zName, zDiffCmd, ignoreEolWs); 320 + } 299 321 blob_reset(&v1); 300 322 blob_reset(&v2); 301 323 blob_reset(&fname); 302 324 } 303 325 304 326 /* 305 327 ** Show the difference between two files identified by ManifestFile
Changes to src/file.c.
32 32 #if defined(_WIN32) && defined(__MSVCRT__) 33 33 static struct _stati64 fileStat; 34 34 # define stat _stati64 35 35 #else 36 36 static struct stat fileStat; 37 37 #endif 38 38 static int fileStatValid = 0; 39 + 40 +int fossil_stat(const char *zFilename, struct stat *buf){ 41 +#if !defined(_WIN32) 42 + if( g.allowSymlinks ){ 43 + return lstat(zFilename, buf); 44 + }else{ 45 + return stat(zFilename, buf); 46 + } 47 +#else 48 + return stat(zFilename, buf); 49 +#endif 50 +} 39 51 40 52 /* 41 53 ** Fill in the fileStat variable for the file named zFilename. 42 54 ** If zFilename==0, then use the previous value of fileStat if 43 55 ** there is a previous value. 44 56 ** 45 57 ** Return the number of errors. No error messages are generated. 46 58 */ 47 59 static int getStat(const char *zFilename){ 48 60 int rc = 0; 49 61 if( zFilename==0 ){ 50 62 if( fileStatValid==0 ) rc = 1; 51 63 }else{ 52 - if( stat(zFilename, &fileStat)!=0 ){ 64 + if( fossil_stat(zFilename, &fileStat)!=0 ){ 53 65 fileStatValid = 0; 54 66 rc = 1; 55 67 }else{ 56 68 fileStatValid = 1; 57 69 rc = 0; 58 70 } 59 71 } ................................................................................ 74 86 ** Return the modification time for a file. Return -1 if the file 75 87 ** does not exist. If zFilename is NULL return the size of the most 76 88 ** recently stat-ed file. 77 89 */ 78 90 i64 file_mtime(const char *zFilename){ 79 91 return getStat(zFilename) ? -1 : fileStat.st_mtime; 80 92 } 93 + 94 +/* 95 +** Return TRUE if the named file is an ordinary file or symlink 96 +** (if symlinks are allowed). 97 +** Return false for directories, devices, fifos, etc. 98 +*/ 99 +int file_isfile_or_link(const char *zFilename){ 100 +#if !defined(_WIN32) 101 + if ( g.allowSymlinks ){ 102 + return getStat(zFilename) ? 0 : S_ISREG(fileStat.st_mode) || S_ISLNK(fileStat.st_mode); 103 + }else{ 104 + return getStat(zFilename) ? 0 : S_ISREG(fileStat.st_mode); 105 + } 106 +#else 107 + return getStat(zFilename) ? 0 : S_ISREG(fileStat.st_mode); 108 +#endif 109 +} 81 110 82 111 /* 83 112 ** Return TRUE if the named file is an ordinary file. Return false 84 -** for directories, devices, fifos, symlinks, etc. 113 +** for directories, devices, fifos, etc. 114 +** 85 115 */ 86 116 int file_isfile(const char *zFilename){ 87 117 return getStat(zFilename) ? 0 : S_ISREG(fileStat.st_mode); 88 118 } 119 + 120 +/* 121 +** Return TRUE if the named file is a symlink. Return false 122 +** for all other cases. 123 +** On Windows, always return False. 124 +*/ 125 +int file_islink(const char *zFilename){ 126 +#if !defined(_WIN32) 127 + if( g.allowSymlinks ){ 128 + return getStat(zFilename) ? 0 : S_ISLNK(fileStat.st_mode); 129 + }else{ 130 + return 0; 131 + } 132 +#else 133 + return 0; 134 +#endif 135 +} 136 + 137 +/* 138 +** Create symlink to file on Unix, or plain-text file with 139 +** symlink target if "allow-symlinks" is off or we're on Windows. 140 +** 141 +** Arguments: target file (symlink will point to it), link file 142 +**/ 143 +void create_symlink(const char *zTargetFile, const char *zLinkFile){ 144 +#if !defined(_WIN32) 145 + if( g.allowSymlinks ){ 146 + int i, nName; 147 + char *zName, zBuf[1000]; 148 + 149 + nName = strlen(zLinkFile); 150 + if( nName>=sizeof(zBuf) ){ 151 + zName = mprintf("%s", zLinkFile); 152 + }else{ 153 + zName = zBuf; 154 + memcpy(zName, zLinkFile, nName+1); 155 + } 156 + nName = file_simplify_name(zName, nName); 157 + for(i=1; i<nName; i++){ 158 + if( zName[i]=='/' ){ 159 + zName[i] = 0; 160 + if( file_mkdir(zName, 1) ){ 161 + fossil_fatal_recursive("unable to create directory %s", zName); 162 + return; 163 + } 164 + zName[i] = '/'; 165 + } 166 + } 167 + if( zName!=zBuf ) free(zName); 168 + 169 + if( symlink(zTargetFile, zName)!=0 ){ 170 + fossil_fatal_recursive("unable to create symlink \"%s\"", zName); 171 + } 172 + }else 173 +#endif 174 + { 175 + Blob content; 176 + blob_set(&content, zTargetFile); 177 + blob_write_to_file(&content, zLinkFile); 178 + blob_reset(&content); 179 + } 180 +} 89 181 90 182 /* 91 183 ** Return TRUE if the named file is an executable. Return false 92 184 ** for directories, devices, fifos, symlinks, etc. 93 185 */ 94 186 int file_isexe(const char *zFilename){ 95 187 if( getStat(zFilename) || !S_ISREG(fileStat.st_mode) ) return 0; ................................................................................ 116 208 char *zFN = mprintf("%s", zFilename); 117 209 file_simplify_name(zFN, -1); 118 210 rc = getStat(zFN); 119 211 free(zFN); 120 212 }else{ 121 213 rc = getStat(0); 122 214 } 215 +#if !defined(_WIN32) 216 + if( g.allowSymlinks ){ 217 + return rc ? 0 : (S_ISDIR(fileStat.st_mode) && !S_ISLNK(fileStat.st_mode) ? 1 : 2); 218 + }else{ 219 + return rc ? 0 : (S_ISDIR(fileStat.st_mode) ? 1 : 2); 220 + } 221 +#else 123 222 return rc ? 0 : (S_ISDIR(fileStat.st_mode) ? 1 : 2); 223 +#endif 124 224 } 125 225 126 226 /* 127 227 ** Return the tail of a file pathname. The tail is the last component 128 228 ** of the path. For example, the tail of "/a/b/c.d" is "c.d". 129 229 */ 130 230 const char *file_tail(const char *z){ ................................................................................ 156 256 157 257 /* 158 258 ** Set or clear the execute bit on a file. 159 259 */ 160 260 void file_setexe(const char *zFilename, int onoff){ 161 261 #if !defined(_WIN32) 162 262 struct stat buf; 163 - if( stat(zFilename, &buf)!=0 ) return; 263 + if( fossil_stat(zFilename, &buf)!=0 || S_ISLNK(buf.st_mode) ) return; 164 264 if( onoff ){ 165 265 if( (buf.st_mode & 0111)!=0111 ){ 166 266 chmod(zFilename, buf.st_mode | 0111); 167 267 } 168 268 }else{ 169 269 if( (buf.st_mode & 0111)!=0 ){ 170 270 chmod(zFilename, buf.st_mode & ~0111); ................................................................................ 375 475 printf("[%s] -> [%s]\n", zName, blob_buffer(&x)); 376 476 blob_reset(&x); 377 477 sqlite3_snprintf(sizeof(zBuf), zBuf, "%lld", file_size(zName)); 378 478 printf(" file_size = %s\n", zBuf); 379 479 sqlite3_snprintf(sizeof(zBuf), zBuf, "%lld", file_mtime(zName)); 380 480 printf(" file_mtime = %s\n", zBuf); 381 481 printf(" file_isfile = %d\n", file_isfile(zName)); 482 + printf(" file_islink = %d\n", file_islink(zName)); 382 483 printf(" file_isexe = %d\n", file_isexe(zName)); 383 484 printf(" file_isdir = %d\n", file_isdir(zName)); 485 + printf(" file_isfile_or_link = %d\n", file_isfile_or_link(zName)); 384 486 } 385 487 } 386 488 387 489 /* 388 490 ** Return TRUE if the given filename is canonical. 389 491 ** 390 492 ** Canonical names are full pathnames using "/" not "\" and which ................................................................................ 630 732 i64 iSize; 631 733 int rc; 632 734 Blob onDisk; 633 735 634 736 iSize = file_size(zName); 635 737 if( iSize<0 ) return 0; 636 738 if( iSize!=blob_size(pContent) ) return 0; 637 - blob_read_from_file(&onDisk, zName); 739 + if( file_islink(zName) ){ 740 + blob_read_link(&onDisk, zName); 741 + }else{ 742 + blob_read_from_file(&onDisk, zName); 743 + } 638 744 rc = blob_compare(&onDisk, pContent); 639 745 blob_reset(&onDisk); 640 746 return rc==0; 641 747 }
Changes to src/finfo.c.
98 98 }else if( find_option("print","p",0) ){ 99 99 Blob record; 100 100 Blob fname; 101 101 const char *zRevision = find_option("revision", "r", 1); 102 102 103 103 file_tree_name(g.argv[2], &fname, 1); 104 104 if( zRevision ){ 105 - historical_version_of_file(zRevision, blob_str(&fname), &record, 0); 105 + historical_version_of_file(zRevision, blob_str(&fname), &record, NULL, 0); 106 106 }else{ 107 107 int rid = db_int(0, "SELECT rid FROM vfile WHERE pathname=%B", &fname); 108 108 if( rid==0 ){ 109 109 fossil_fatal("no history for file: %b", &fname); 110 110 } 111 111 content_get(rid, &record); 112 112 }
Changes to src/import.c.
28 28 */ 29 29 struct ImportFile { 30 30 char *zName; /* Name of a file */ 31 31 char *zUuid; /* UUID of the file */ 32 32 char *zPrior; /* Prior name if the name was changed */ 33 33 char isFrom; /* True if obtained from the parent */ 34 34 char isExe; /* True if executable */ 35 + char isLink; /* True if symlink */ 35 36 }; 36 37 #endif 37 38 38 39 39 40 /* 40 41 ** State information about an on-going fast-import parse. 41 42 */ ................................................................................ 56 57 int nMerge; /* Number of merge values */ 57 58 int nMergeAlloc; /* Number of slots in azMerge[] */ 58 59 char **azMerge; /* Merge values */ 59 60 int nFile; /* Number of aFile values */ 60 61 int nFileAlloc; /* Number of slots in aFile[] */ 61 62 ImportFile *aFile; /* Information about files in a commit */ 62 63 int fromLoaded; /* True zFrom content loaded into aFile[] */ 64 + int hasLinks; /* True if git repository contains symlinks */ 63 65 } gg; 64 66 65 67 /* 66 68 ** Duplicate a string. 67 69 */ 68 70 char *fossil_strdup(const char *zOrig){ 69 71 char *z = 0; ................................................................................ 227 229 blob_appendf(&record, "D %s\n", gg.zDate); 228 230 for(i=0; i<gg.nFile; i++){ 229 231 const char *zUuid = gg.aFile[i].zUuid; 230 232 if( zUuid==0 ) continue; 231 233 blob_appendf(&record, "F %F %s", gg.aFile[i].zName, zUuid); 232 234 if( gg.aFile[i].isExe ){ 233 235 blob_append(&record, " x\n", 3); 236 + }else if( gg.aFile[i].isLink ){ 237 + blob_append(&record, " l\n", 3); 238 + gg.hasLinks = 1; 234 239 }else{ 235 240 blob_append(&record, "\n", 1); 236 241 } 237 242 } 238 243 if( gg.zFrom ){ 239 244 blob_appendf(&record, "P %s", gg.zFrom); 240 245 for(i=0; i<gg.nMerge; i++){ ................................................................................ 369 374 p = manifest_get(rid, CFTYPE_MANIFEST); 370 375 if( p==0 ) return; 371 376 manifest_file_rewind(p); 372 377 while( (pOld = manifest_file_next(p, 0))!=0 ){ 373 378 pNew = import_add_file(); 374 379 pNew->zName = fossil_strdup(pOld->zName); 375 380 pNew->isExe = pOld->zPerm && strstr(pOld->zPerm, "x")!=0; 381 + pNew->isLink = pOld->zPerm && strstr(pOld->zPerm, "l")!=0; 376 382 pNew->zUuid = fossil_strdup(pOld->zUuid); 377 383 pNew->isFrom = 1; 378 384 } 379 385 manifest_destroy(p); 380 386 } 381 387 382 388 /* ................................................................................ 524 530 i = 0; 525 531 pFile = import_find_file(zName, &i, gg.nFile); 526 532 if( pFile==0 ){ 527 533 pFile = import_add_file(); 528 534 pFile->zName = fossil_strdup(zName); 529 535 } 530 536 pFile->isExe = (fossil_strcmp(zPerm, "100755")==0); 537 + pFile->isLink = (fossil_strcmp(zPerm, "120000")==0); 531 538 fossil_free(pFile->zUuid); 532 539 pFile->zUuid = resolve_committish(zUuid); 533 540 pFile->isFrom = 0; 534 541 }else 535 542 if( memcmp(zLine, "D ", 2)==0 ){ 536 543 import_prior_files(); 537 544 z = &zLine[2]; ................................................................................ 561 568 pFile = &gg.aFile[i-1]; 562 569 if( strlen(pFile->zName)>nFrom ){ 563 570 pNew->zName = mprintf("%s%s", zTo, pFile->zName[nFrom]); 564 571 }else{ 565 572 pNew->zName = fossil_strdup(pFile->zName); 566 573 } 567 574 pNew->isExe = pFile->isExe; 575 + pNew->isLink = pFile->isLink; 568 576 pNew->zUuid = fossil_strdup(pFile->zUuid); 569 577 pNew->isFrom = 0; 570 578 } 571 579 }else 572 580 if( memcmp(zLine, "R ", 2)==0 ){ 573 581 int nFrom; 574 582 import_prior_files(); ................................................................................ 584 592 if( strlen(pFile->zName)>nFrom ){ 585 593 pNew->zName = mprintf("%s%s", zTo, pFile->zName[nFrom]); 586 594 }else{ 587 595 pNew->zName = fossil_strdup(pFile->zName); 588 596 } 589 597 pNew->zPrior = pFile->zName; 590 598 pNew->isExe = pFile->isExe; 599 + pNew->isLink = pFile->isLink; 591 600 pNew->zUuid = pFile->zUuid; 592 601 pNew->isFrom = 0; 593 602 gg.nFile--; 594 603 *pFile = *pNew; 595 604 memset(pNew, 0, sizeof(*pNew)); 596 605 } 597 606 fossil_fatal("cannot handle R records, use --full-tree"); ................................................................................ 604 613 }else 605 614 606 615 { 607 616 goto malformed_line; 608 617 } 609 618 } 610 619 gg.xFinish(); 620 + if( gg.hasLinks ){ 621 + db_set_int("allow-symlinks", 1, 0); 622 + } 611 623 import_reset(1); 612 624 return; 613 625 614 626 malformed_line: 615 627 trim_newline(zLine); 616 628 fossil_fatal("bad fast-import line: [%s]", zLine); 617 629 return;
Changes to src/main.c.
148 148 /* Storage for the aux() and/or option() SQL function arguments */ 149 149 int nAux; /* Number of distinct aux() or option() values */ 150 150 const char *azAuxName[MX_AUX]; /* Name of each aux() or option() value */ 151 151 char *azAuxParam[MX_AUX]; /* Param of each aux() or option() value */ 152 152 const char *azAuxVal[MX_AUX]; /* Value of each aux() or option() value */ 153 153 const char **azAuxOpt[MX_AUX]; /* Options of each option() value */ 154 154 int anAuxCols[MX_AUX]; /* Number of columns for option() values */ 155 + 156 + int allowSymlinks; /* Cached "allow-symlinks" option */ 155 157 }; 156 158 157 159 /* 158 160 ** Macro for debugging: 159 161 */ 160 162 #define CGIDEBUG(X) if( g.fDebug ) cgi_debug X 161 163
Changes to src/merge.c.
157 157 " idp INTEGER," /* VFILE entry for the pivot */ 158 158 " idm INTEGER," /* VFILE entry for version merging in */ 159 159 " chnged BOOLEAN," /* True if current version has been edited */ 160 160 " ridv INTEGER," /* Record ID for current version */ 161 161 " ridp INTEGER," /* Record ID for pivot */ 162 162 " ridm INTEGER," /* Record ID for merge */ 163 163 " fnp TEXT," /* The filename in the pivot */ 164 - " fnm TEXT" /* the filename in the merged version */ 164 + " fnm TEXT," /* the filename in the merged version */ 165 + " islinkv BOOLEAN," /* True if current version is a symlink */ 166 + " islinkm BOOLEAN" /* True if merged version in is a symlink */ 165 167 ");" 166 168 ); 167 169 168 170 /* Add files found in V 169 171 */ 170 172 db_multi_exec( 171 173 "INSERT OR IGNORE INTO fv(fn,fnp,fnm,idv,idp,idm,ridv,ridp,ridm,chnged)" ................................................................................ 301 303 if( !nochangeFlag ){ 302 304 undo_save(zName); 303 305 vfile_to_disk(0, idm, 0, 0); 304 306 } 305 307 } 306 308 db_finalize(&q); 307 309 310 + /* 311 + ** Add islink information for files in V and M 312 + ** 313 + */ 314 + db_multi_exec( 315 + "UPDATE fv SET" 316 + " islinkv=coalesce((SELECT islink FROM vfile WHERE vid=%d AND pathname=fnm),0)," 317 + " islinkm=coalesce((SELECT islink FROM vfile WHERE vid=%d AND pathname=fnm),0)", 318 + vid, mid 319 + ); 320 + 308 321 /* 309 322 ** Find files that have changed from P->M but not P->V. 310 323 ** Copy the M content over into V. 311 324 */ 312 325 db_prepare(&q, 313 326 "SELECT idv, ridm, fn FROM fv" 314 327 " WHERE idp>0 AND idv>0 AND idm>0" ................................................................................ 330 343 } 331 344 db_finalize(&q); 332 345 333 346 /* 334 347 ** Do a three-way merge on files that have changes on both P->M and P->V. 335 348 */ 336 349 db_prepare(&q, 337 - "SELECT ridm, idv, ridp, ridv, %s, fn FROM fv" 350 + "SELECT ridm, idv, ridp, ridv, %s, fn, islinkv, islinkm FROM fv" 338 351 " WHERE idp>0 AND idv>0 AND idm>0" 339 352 " AND ridm!=ridp AND (ridv!=ridp OR chnged)", 340 353 glob_expr("fv.fn", zBinGlob) 341 354 ); 342 355 while( db_step(&q)==SQLITE_ROW ){ 343 356 int ridm = db_column_int(&q, 0); 344 357 int idv = db_column_int(&q, 1); 345 358 int ridp = db_column_int(&q, 2); 346 359 int ridv = db_column_int(&q, 3); 347 360 int isBinary = db_column_int(&q, 4); 348 361 const char *zName = db_column_text(&q, 5); 362 + int islinkv = db_column_int(&q, 6); 363 + int islinkm = db_column_int(&q, 7); 349 364 int rc; 350 365 char *zFullPath; 351 366 Blob m, p, v, r; 352 367 /* Do a 3-way merge of idp->idm into idp->idv. The results go into idv. */ 353 368 if( detailFlag ){ 354 369 printf("MERGE %s (pivot=%d v1=%d v2=%d)\n", zName, ridp, ridm, ridv); 355 370 }else{ 356 371 printf("MERGE %s\n", zName); 357 372 } 358 - undo_save(zName); 359 - zFullPath = mprintf("%s/%s", g.zLocalRoot, zName); 360 - content_get(ridp, &p); 361 - content_get(ridm, &m); 362 - blob_zero(&v); 363 - blob_read_from_file(&v, zFullPath); 364 - if( isBinary ){ 365 - rc = -1; 366 - blob_zero(&r); 373 + if( islinkv || islinkm /* || file_islink(zFullPath) */ ){ 374 + printf("***** Cannot merge symlink %s\n", zName); 375 + nConflict++; 367 376 }else{ 368 - rc = blob_merge(&p, &v, &m, &r); 369 - } 370 - if( rc>=0 ){ 371 - if( !nochangeFlag ){ 372 - blob_write_to_file(&r, zFullPath); 377 + undo_save(zName); 378 + zFullPath = mprintf("%s/%s", g.zLocalRoot, zName); 379 + content_get(ridp, &p); 380 + content_get(ridm, &m); 381 + blob_zero(&v); 382 + blob_read_from_file(&v, zFullPath); 383 + if( isBinary ){ 384 + rc = -1; 385 + blob_zero(&r); 386 + }else{ 387 + rc = blob_merge(&p, &v, &m, &r); 373 388 } 374 - db_multi_exec("UPDATE vfile SET mtime=0 WHERE id=%d", idv); 375 - if( rc>0 ){ 376 - printf("***** %d merge conflicts in %s\n", rc, zName); 389 + if( rc>=0 ){ 390 + if( !nochangeFlag ){ 391 + blob_write_to_file(&r, zFullPath); 392 + } 393 + db_multi_exec("UPDATE vfile SET mtime=0 WHERE id=%d", idv); 394 + if( rc>0 ){ 395 + printf("***** %d merge conflicts in %s\n", rc, zName); 396 + nConflict++; 397 + } 398 + }else{ 399 + printf("***** Cannot merge binary file %s\n", zName); 377 400 nConflict++; 378 401 } 379 - }else{ 380 - printf("***** Cannot merge binary file %s\n", zName); 381 - nConflict++; 402 + blob_reset(&p); 403 + blob_reset(&m); 404 + blob_reset(&v); 405 + blob_reset(&r); 382 406 } 383 - blob_reset(&p); 384 - blob_reset(&m); 385 - blob_reset(&v); 386 - blob_reset(&r); 387 407 db_multi_exec("INSERT OR IGNORE INTO vmerge(id,merge) VALUES(%d,%d)", 388 408 idv,ridm); 389 409 } 390 410 db_finalize(&q); 391 411 392 412 /* 393 413 ** Drop files that are in P and V but not in M
Changes to src/schema.c.
427 427 @ -- 428 428 @ CREATE TABLE vfile( 429 429 @ id INTEGER PRIMARY KEY, -- ID of the checked out file 430 430 @ vid INTEGER REFERENCES blob, -- The baseline this file is part of. 431 431 @ chnged INT DEFAULT 0, -- 0:unchnged 1:edited 2:m-chng 3:m-add 432 432 @ deleted BOOLEAN DEFAULT 0, -- True if deleted 433 433 @ isexe BOOLEAN, -- True if file should be executable 434 +@ islink BOOLEAN, -- True if file should be symlink 434 435 @ rid INTEGER, -- Originally from this repository record 435 436 @ mrid INTEGER, -- Based on this record due to a merge 436 437 @ mtime INTEGER, -- Modification time of file on disk 437 438 @ pathname TEXT, -- Full pathname relative to root 438 439 @ origname TEXT, -- Original pathname. NULL if unchanged 439 440 @ UNIQUE(pathname,vid) 440 441 @ );
Changes to src/sha1.c.
263 263 ** Return the number of errors. 264 264 */ 265 265 int sha1sum_file(const char *zFilename, Blob *pCksum){ 266 266 FILE *in; 267 267 SHA1Context ctx; 268 268 unsigned char zResult[20]; 269 269 char zBuf[10240]; 270 + 271 + if( file_islink(zFilename) ){ 272 + /* Instead of file content, return sha1 of link destination path */ 273 + Blob destinationPath; 274 + int rc; 275 + 276 + blob_read_link(&destinationPath, zFilename); 277 + rc = sha1sum_blob(&destinationPath, pCksum); 278 + blob_reset(&destinationPath); 279 + return rc; 280 + } 270 281 271 282 in = fopen(zFilename,"rb"); 272 283 if( in==0 ){ 273 284 return 1; 274 285 } 275 286 SHA1Init(&ctx); 276 287 for(;;){
Changes to src/stash.c.
33 33 @ ); 34 34 @ CREATE TABLE IF NOT EXISTS %s.stashfile( 35 35 @ stashid INTEGER REFERENCES stash, -- Stash that contains this file 36 36 @ rid INTEGER, -- Baseline content in BLOB table or 0. 37 37 @ isAdded BOOLEAN, -- True if this is an added file 38 38 @ isRemoved BOOLEAN, -- True if this file is deleted 39 39 @ isExec BOOLEAN, -- True if file is executable 40 +@ isLink BOOLEAN, -- True if file is a symlink 40 41 @ origname TEXT, -- Original filename 41 42 @ newname TEXT, -- New name for file at next check-in 42 43 @ delta BLOB, -- Delta from baseline. Content if rid=0 43 44 @ PRIMARY KEY(origname, stashid) 44 45 @ ); 45 46 @ INSERT OR IGNORE INTO vvar(name, value) VALUES('stash-next', 1); 46 47 ; ................................................................................ 59 60 Stmt ins; /* Insert statement */ 60 61 61 62 zFile = mprintf("%/", zFName); 62 63 file_tree_name(zFile, &fname, 1); 63 64 zTreename = blob_str(&fname); 64 65 blob_zero(&sql); 65 66 blob_appendf(&sql, 66 - "SELECT deleted, isexe, mrid, pathname, coalesce(origname,pathname)" 67 + "SELECT deleted, isexe, islink, mrid, pathname, coalesce(origname,pathname)" 67 68 " FROM vfile" 68 69 " WHERE vid=%d AND (chnged OR deleted OR origname NOT NULL OR mrid==0)", 69 70 vid 70 71 ); 71 72 if( fossil_strcmp(zTreename,".")!=0 ){ 72 73 blob_appendf(&sql, 73 74 " AND (pathname GLOB '%q/*' OR origname GLOB '%q/*'" ................................................................................ 74 75 " OR pathname=%Q OR origname=%Q)", 75 76 zTreename, zTreename, zTreename, zTreename 76 77 ); 77 78 } 78 79 db_prepare(&q, blob_str(&sql)); 79 80 blob_reset(&sql); 80 81 db_prepare(&ins, 81 - "INSERT INTO stashfile(stashid, rid, isAdded, isRemoved, isExec," 82 + "INSERT INTO stashfile(stashid, rid, isAdded, isRemoved, isExec, isLink," 82 83 "origname, newname, delta)" 83 - "VALUES(%d,:rid,:isadd,:isrm,:isexe,:orig,:new,:content)", 84 + "VALUES(%d,:rid,:isadd,:isrm,:isexe,:islink,:orig,:new,:content)", 84 85 stashid 85 86 ); 86 87 while( db_step(&q)==SQLITE_ROW ){ 87 88 int deleted = db_column_int(&q, 0); 88 - int rid = db_column_int(&q, 2); 89 - const char *zName = db_column_text(&q, 3); 90 - const char *zOrig = db_column_text(&q, 4); 89 + //int isLink = db_column_int(&q, 2); 90 + int rid = db_column_int(&q, 3); 91 + const char *zName = db_column_text(&q, 4); 92 + const char *zOrig = db_column_text(&q, 5); 91 93 char *zPath = mprintf("%s%s", g.zLocalRoot, zName); 92 94 Blob content; 95 + int isNewLink = file_islink(zPath); 93 96 94 97 db_bind_int(&ins, ":rid", rid); 95 98 db_bind_int(&ins, ":isadd", rid==0); 96 99 db_bind_int(&ins, ":isrm", deleted); 97 100 #ifdef _WIN32 98 101 db_bind_int(&ins, ":isexe", db_column_int(&q, 1)); 102 + //db_bind_int(&ins, ":islink", isLink); 99 103 #endif 100 104 db_bind_text(&ins, ":orig", zOrig); 101 105 db_bind_text(&ins, ":new", zName); 106 + 102 107 if( rid==0 ){ 103 108 /* A new file */ 104 - blob_read_from_file(&content, zPath); 109 + if( isNewLink ){ 110 + blob_read_link(&content, zPath); 111 + }else{ 112 + blob_read_from_file(&content, zPath); 113 + } 105 114 db_bind_blob(&ins, ":content", &content); 106 115 }else if( deleted ){ 107 116 db_bind_null(&ins, ":content"); 108 117 }else{ 109 118 /* A modified file */ 110 119 Blob orig; 111 120 Blob disk; 112 - blob_read_from_file(&disk, zPath); 121 + 122 + if( isNewLink ){ 123 + blob_read_link(&disk, zPath); 124 + }else{ 125 + blob_read_from_file(&disk, zPath); 126 + } 113 127 content_get(rid, &orig); 114 128 blob_delta_create(&orig, &disk, &content); 115 129 blob_reset(&orig); 116 130 blob_reset(&disk); 117 131 db_bind_blob(&ins, ":content", &content); 118 132 } 133 + db_bind_int(&ins, ":islink", isNewLink); 119 134 db_step(&ins); 120 135 db_reset(&ins); 121 136 fossil_free(zPath); 122 137 blob_reset(&content); 123 138 } 124 139 db_finalize(&ins); 125 140 db_finalize(&q); ................................................................................ 166 181 167 182 /* 168 183 ** Apply a stash to the current check-out. 169 184 */ 170 185 static void stash_apply(int stashid, int nConflict){ 171 186 Stmt q; 172 187 db_prepare(&q, 173 - "SELECT rid, isRemoved, isExec, origname, newname, delta" 188 + "SELECT rid, isRemoved, isExec, isLink, origname, newname, delta" 174 189 " FROM stashfile WHERE stashid=%d", 175 190 stashid 176 191 ); 177 192 while( db_step(&q)==SQLITE_ROW ){ 178 193 int rid = db_column_int(&q, 0); 179 194 int isRemoved = db_column_int(&q, 1); 180 - const char *zOrig = db_column_text(&q, 3); 181 - const char *zNew = db_column_text(&q, 4); 195 + int isLink = db_column_int(&q, 3); 196 + const char *zOrig = db_column_text(&q, 4); 197 + const char *zNew = db_column_text(&q, 5); 182 198 char *zOPath = mprintf("%s%s", g.zLocalRoot, zOrig); 183 199 char *zNPath = mprintf("%s%s", g.zLocalRoot, zNew); 184 200 Blob delta; 185 201 undo_save(zNew); 186 202 blob_zero(&delta); 187 203 if( rid==0 ){ 188 204 db_ephemeral_blob(&q, 5, &delta); ................................................................................ 189 205 blob_write_to_file(&delta, zNPath); 190 206 printf("ADD %s\n", zNew); 191 207 }else if( isRemoved ){ 192 208 printf("DELETE %s\n", zOrig); 193 209 unlink(zOPath); 194 210 }else{ 195 211 Blob a, b, out, disk; 212 + int isNewLink = file_islink(zOPath); 196 213 db_ephemeral_blob(&q, 5, &delta); 197 - blob_read_from_file(&disk, zOPath); 214 + if( isNewLink ){ 215 + blob_read_link(&disk, zOPath); 216 + }else{ 217 + blob_read_from_file(&disk, zOPath); 218 + } 198 219 content_get(rid, &a); 199 220 blob_delta_apply(&a, &delta, &b); 200 - if( blob_compare(&disk, &a)==0 ){ 201 - blob_write_to_file(&b, zNPath); 221 + if( blob_compare(&disk, &a)==0 && isLink == isNewLink ){ 222 + if( isLink || isNewLink ){ 223 + unlink(zNPath); 224 + } 225 + if( isLink ){ 226 + create_symlink(blob_str(&b), zNPath); 227 + }else{ 228 + blob_write_to_file(&b, zNPath); 229 + } 202 230 printf("UPDATE %s\n", zNew); 203 231 }else{ 204 - int rc = blob_merge(&a, &disk, &b, &out); 205 - blob_write_to_file(&out, zNPath); 232 + int rc; 233 + if( isLink || isNewLink ){ 234 + rc = -1; 235 + blob_zero(&b); /* because we reset it later */ 236 + //TODO write something to disk? 237 + }else{ 238 + rc = blob_merge(&a, &disk, &b, &out); 239 + blob_write_to_file(&out, zNPath); 240 + blob_reset(&out); 241 + } 206 242 if( rc ){ 207 243 printf("CONFLICT %s\n", zNew); 208 244 nConflict++; 209 245 }else{ 210 246 printf("MERGE %s\n", zNew); 211 247 } 212 - blob_reset(&out); 213 248 } 214 249 blob_reset(&a); 215 250 blob_reset(&b); 216 251 blob_reset(&disk); 217 252 } 218 253 blob_reset(&delta); 219 254 if( fossil_strcmp(zOrig,zNew)!=0 ){ 220 255 undo_save(zOrig); 221 256 unlink(zOPath); 222 257 } 223 258 } 224 259 db_finalize(&q); 225 260 if( nConflict ){ 226 - printf("WARNING: merge conflicts - see messages above for details.\n"); 261 + printf("WARNING: %d merge conflicts - see messages above for details.\n", 262 + nConflict); 227 263 } 228 264 } 229 265 230 266 /* 231 267 ** Show the diffs associate with a single stash. 232 268 */ 233 269 static void stash_diff(int stashid, const char *zDiffCmd){ 234 270 Stmt q; 235 271 Blob empty; 236 272 blob_zero(&empty); 237 273 db_prepare(&q, 238 - "SELECT rid, isRemoved, isExec, origname, newname, delta" 274 + "SELECT rid, isRemoved, isExec, isLink, origname, newname, delta" 239 275 " FROM stashfile WHERE stashid=%d", 240 276 stashid 241 277 ); 242 278 while( db_step(&q)==SQLITE_ROW ){ 243 279 int rid = db_column_int(&q, 0); 244 280 int isRemoved = db_column_int(&q, 1); 245 - const char *zOrig = db_column_text(&q, 3); 246 - const char *zNew = db_column_text(&q, 4); 281 + int isLink = db_column_int(&q, 3); 282 + const char *zOrig = db_column_text(&q, 4); 283 + const char *zNew = db_column_text(&q, 5); 247 284 char *zOPath = mprintf("%s%s", g.zLocalRoot, zOrig); 248 285 Blob delta; 249 286 if( rid==0 ){ 250 287 db_ephemeral_blob(&q, 5, &delta); 251 288 printf("ADDED %s\n", zNew); 252 289 diff_print_index(zNew); 253 290 diff_file_mem(&empty, &delta, zNew, zDiffCmd, 0); 254 291 }else if( isRemoved ){ 255 292 printf("DELETE %s\n", zOrig); 256 - blob_read_from_file(&delta, zOPath); 293 + if( file_islink(zOPath) ){ 294 + blob_read_link(&delta, zOPath); 295 + }else{ 296 + blob_read_from_file(&delta, zOPath); 297 + } 257 298 diff_print_index(zNew); 258 299 diff_file_mem(&delta, &empty, zOrig, zDiffCmd, 0); 259 300 }else{ 260 301 Blob a, b, disk; 302 + int isOrigLink = file_islink(zOPath); 261 303 db_ephemeral_blob(&q, 5, &delta); 262 - blob_read_from_file(&disk, zOPath); 263 - content_get(rid, &a); 264 - blob_delta_apply(&a, &delta, &b); 304 + if( isOrigLink ){ 305 + blob_read_link(&disk, zOPath); 306 + }else{ 307 + blob_read_from_file(&disk, zOPath); 308 + } 265 309 printf("CHANGED %s\n", zNew); 266 - diff_file_mem(&disk, &b, zNew, zDiffCmd, 0); 267 - blob_reset(&a); 268 - blob_reset(&b); 310 + if( !isOrigLink != !isLink ){ 311 + diff_print_index(zNew); 312 + printf("--- %s\n+++ %s\n", zOrig, zNew); 313 + printf("cannot compute difference between symlink and regular file\n"); 314 + }else{ 315 + content_get(rid, &a); 316 + blob_delta_apply(&a, &delta, &b); 317 + diff_file_mem(&disk, &b, zNew, zDiffCmd, 0); 318 + blob_reset(&a); 319 + blob_reset(&b); 320 + } 269 321 blob_reset(&disk); 270 322 } 271 323 blob_reset(&delta); 272 324 } 273 325 db_finalize(&q); 274 326 } 275 327 ................................................................................ 345 397 ** fossil stash drop ?STASHID? ?--all? 346 398 ** 347 399 ** Forget everything about STASHID. Forget the whole stash if the 348 400 ** --all flag is used. Individual drops are undoable but --all is not. 349 401 ** 350 402 ** fossil stash snapshot ?-m COMMENT? ?FILES...? 351 403 ** 352 -** Save the current changes in the working tress as a new stash 404 +** Save the current changes in the working tree as a new stash 353 405 ** but, unlike "save", do not revert those changes. 354 406 ** 355 407 ** fossil stash diff ?STASHID? 356 408 ** fossil stash gdiff ?STASHID? 357 409 ** 358 410 ** Show diffs of the current working directory and what that 359 411 ** directory would be if STASHID were applied.
Changes to src/undo.c.
28 28 ** true the redo a change. If there is nothing to undo (or redo) then 29 29 ** this routine is a noop. 30 30 */ 31 31 static void undo_one(const char *zPathname, int redoFlag){ 32 32 Stmt q; 33 33 char *zFullname; 34 34 db_prepare(&q, 35 - "SELECT content, existsflag FROM undo WHERE pathname=%Q AND redoflag=%d", 35 + "SELECT content, existsflag, islink FROM undo WHERE pathname=%Q AND redoflag=%d", 36 36 zPathname, redoFlag 37 37 ); 38 38 if( db_step(&q)==SQLITE_ROW ){ 39 39 int old_exists; 40 40 int new_exists; 41 41 Blob current; 42 42 Blob new; 43 + int isLink = db_column_int(&q, 2); 43 44 zFullname = mprintf("%s/%s", g.zLocalRoot, zPathname); 44 45 new_exists = file_size(zFullname)>=0; 46 + int isNewLink = file_islink(zFullname); 45 47 if( new_exists ){ 46 - blob_read_from_file(¤t, zFullname); 48 + if( isNewLink ){ 49 + blob_read_link(¤t, zFullname); 50 + }else{ 51 + blob_read_from_file(¤t, zFullname); 52 + } 47 53 }else{ 48 54 blob_zero(¤t); 49 55 } 50 56 blob_zero(&new); 51 57 old_exists = db_column_int(&q, 1); 52 58 if( old_exists ){ 53 59 db_ephemeral_blob(&q, 0, &new); ................................................................................ 54 60 } 55 61 if( old_exists ){ 56 62 if( new_exists ){ 57 63 printf("%s %s\n", redoFlag ? "REDO" : "UNDO", zPathname); 58 64 }else{ 59 65 printf("NEW %s\n", zPathname); 60 66 } 61 - blob_write_to_file(&new, zFullname); 67 + if( new_exists && (isNewLink || isLink) ){ 68 + unlink(zFullname); 69 + } 70 + if( isLink ){ 71 + create_symlink(blob_str(&new), zFullname); 72 + }else{ 73 + blob_write_to_file(&new, zFullname); 74 + } 62 75 }else{ 63 76 printf("DELETE %s\n", zPathname); 64 77 unlink(zFullname); 65 78 } 66 79 blob_reset(&new); 67 80 free(zFullname); 68 81 db_finalize(&q); 69 82 db_prepare(&q, 70 - "UPDATE undo SET content=:c, existsflag=%d, redoflag=NOT redoflag" 83 + "UPDATE undo SET content=:c, existsflag=%d, redoflag=NOT redoflag, islink=%d" 71 84 " WHERE pathname=%Q", 72 - new_exists, zPathname 85 + new_exists, isNewLink, zPathname 73 86 ); 74 87 if( new_exists ){ 75 88 db_bind_blob(&q, ":c", ¤t); 76 89 } 77 90 db_step(&q); 78 91 blob_reset(¤t); 79 92 } ................................................................................ 198 211 int cid; 199 212 const char *zDb = db_name("localdb"); 200 213 static const char zSql[] = 201 214 @ CREATE TABLE %s.undo( 202 215 @ pathname TEXT UNIQUE, -- Name of the file 203 216 @ redoflag BOOLEAN, -- 0 for undoable. 1 for redoable 204 217 @ existsflag BOOLEAN, -- True if the file exists 218 + @ islink BOOLEAN, -- True if the file is symlink 205 219 @ content BLOB -- Saved content 206 220 @ ); 207 221 @ CREATE TABLE %s.undo_vfile AS SELECT * FROM vfile; 208 222 @ CREATE TABLE %s.undo_vmerge AS SELECT * FROM vmerge; 209 223 ; 210 224 if( undoDisable ) return; 211 225 undo_reset(); ................................................................................ 238 252 ** will be undoable. The name is relative to the root of the 239 253 ** tree. 240 254 */ 241 255 void undo_save(const char *zPathname){ 242 256 char *zFullname; 243 257 Blob content; 244 258 int existsFlag; 259 + int isLink; 245 260 Stmt q; 246 261 247 262 if( !undoActive ) return; 248 263 zFullname = mprintf("%s%s", g.zLocalRoot, zPathname); 249 264 existsFlag = file_size(zFullname)>=0; 265 + isLink = file_islink(zFullname); 250 266 db_prepare(&q, 251 - "INSERT OR IGNORE INTO undo(pathname,redoflag,existsflag,content)" 252 - " VALUES(%Q,0,%d,:c)", 253 - zPathname, existsFlag 267 + "INSERT OR IGNORE INTO undo(pathname,redoflag,existsflag,islink,content)" 268 + " VALUES(%Q,0,%d,%d,:c)", 269 + zPathname, existsFlag, isLink 254 270 ); 255 271 if( existsFlag ){ 256 - blob_read_from_file(&content, zFullname); 272 + if( isLink ){ 273 + blob_read_link(&content, zFullname); 274 + }else{ 275 + blob_read_from_file(&content, zFullname); 276 + } 257 277 db_bind_blob(&q, ":c", &content); 258 278 } 259 279 free(zFullname); 260 280 db_step(&q); 261 281 db_finalize(&q); 262 282 if( existsFlag ){ 263 283 blob_reset(&content);
Changes to src/update.c.
193 193 db_multi_exec( 194 194 "DROP TABLE IF EXISTS fv;" 195 195 "CREATE TEMP TABLE fv(" 196 196 " fn TEXT PRIMARY KEY," /* The filename relative to root */ 197 197 " idv INTEGER," /* VFILE entry for current version */ 198 198 " idt INTEGER," /* VFILE entry for target version */ 199 199 " chnged BOOLEAN," /* True if current version has been edited */ 200 + " islinkv BOOLEAN," /* True if current file is a link */ 201 + " islinkt BOOLEAN," /* True if target file is a link */ 200 202 " ridv INTEGER," /* Record ID for current version */ 201 203 " ridt INTEGER," /* Record ID for target */ 202 204 " fnt TEXT" /* Filename of same file on target version */ 203 205 ");" 204 206 ); 205 207 206 208 /* Add files found in the current version ................................................................................ 243 245 */ 244 246 db_multi_exec( 245 247 "UPDATE fv SET" 246 248 " idt=coalesce((SELECT id FROM vfile WHERE vid=%d AND pathname=fnt),0)," 247 249 " ridt=coalesce((SELECT rid FROM vfile WHERE vid=%d AND pathname=fnt),0)", 248 250 tid, tid 249 251 ); 252 + 253 + /* 254 + ** Add islink information 255 + */ 256 + db_multi_exec( 257 + "UPDATE fv SET" 258 + " islinkv=coalesce((SELECT islink FROM vfile WHERE vid=%d AND pathname=fnt),0)," 259 + " islinkt=coalesce((SELECT islink FROM vfile WHERE vid=%d AND pathname=fnt),0)", 260 + vid, tid 261 + ); 262 + 250 263 251 264 if( debugFlag ){ 252 265 db_prepare(&q, 253 - "SELECT rowid, fn, fnt, chnged, ridv, ridt FROM fv" 266 + "SELECT rowid, fn, fnt, chnged, ridv, ridt, islinkv, islinkt FROM fv" 254 267 ); 255 268 while( db_step(&q)==SQLITE_ROW ){ 256 - printf("%3d: ridv=%-4d ridt=%-4d chnged=%d\n", 269 + printf("%3d: ridv=%-4d ridt=%-4d chnged=%d islinkv=%d islinkt=%d\n", 257 270 db_column_int(&q, 0), 258 271 db_column_int(&q, 4), 259 272 db_column_int(&q, 5), 260 - db_column_int(&q, 3)); 273 + db_column_int(&q, 3), 274 + db_column_int(&q, 6), 275 + db_column_int(&q, 7)); 261 276 printf(" fnv = [%s]\n", db_column_text(&q, 1)); 262 277 printf(" fnt = [%s]\n", db_column_text(&q, 2)); 263 278 } 264 279 db_finalize(&q); 265 280 } 266 281 267 282 /* If FILES appear on the command-line, remove from the "fv" table ................................................................................ 297 312 } 298 313 299 314 /* 300 315 ** Alter the content of the checkout so that it conforms with the 301 316 ** target 302 317 */ 303 318 db_prepare(&q, 304 - "SELECT fn, idv, ridv, idt, ridt, chnged, fnt FROM fv ORDER BY 1" 319 + "SELECT fn, idv, ridv, idt, ridt, chnged, fnt, islinkv, islinkt FROM fv ORDER BY 1" 305 320 ); 306 321 db_prepare(&mtimeXfer, 307 322 "UPDATE vfile SET mtime=(SELECT mtime FROM vfile WHERE id=:idv)" 308 323 " WHERE id=:idt" 309 324 ); 310 325 assert( g.zLocalRoot!=0 ); 311 326 assert( strlen(g.zLocalRoot)>1 ); ................................................................................ 314 329 const char *zName = db_column_text(&q, 0); /* The filename from root */ 315 330 int idv = db_column_int(&q, 1); /* VFILE entry for current */ 316 331 int ridv = db_column_int(&q, 2); /* RecordID for current */ 317 332 int idt = db_column_int(&q, 3); /* VFILE entry for target */ 318 333 int ridt = db_column_int(&q, 4); /* RecordID for target */ 319 334 int chnged = db_column_int(&q, 5); /* Current is edited */ 320 335 const char *zNewName = db_column_text(&q,6);/* New filename */ 336 + int islinkv = db_column_int(&q, 7); /* Is current file is a link */ 337 + int islinkt = db_column_int(&q, 8); /* Is target file is a link */ 321 338 char *zFullPath; /* Full pathname of the file */ 322 339 char *zFullNewPath; /* Full pathname of dest */ 323 340 char nameChng; /* True if the name changed */ 324 341 325 342 zFullPath = mprintf("%s%s", g.zLocalRoot, zName); 326 343 zFullNewPath = mprintf("%s%s", g.zLocalRoot, zNewName); 327 344 nameChng = fossil_strcmp(zName, zNewName); ................................................................................ 367 384 Blob e, r, t, v; 368 385 int rc; 369 386 if( nameChng ){ 370 387 printf("MERGE %s -> %s\n", zName, zNewName); 371 388 }else{ 372 389 printf("MERGE %s\n", zName); 373 390 } 374 - undo_save(zName); 375 - content_get(ridt, &t); 376 - content_get(ridv, &v); 377 - blob_zero(&e); 378 - blob_read_from_file(&e, zFullPath); 379 - rc = blob_merge(&v, &e, &t, &r); 380 - if( rc>=0 ){ 381 - if( !nochangeFlag ) blob_write_to_file(&r, zFullNewPath); 382 - if( rc>0 ){ 383 - printf("***** %d merge conflicts in %s\n", rc, zNewName); 391 + if( islinkv || islinkt /* || file_islink(zFullPath) */ ){ 392 + //if( !nochangeFlag ) blob_write_to_file(&t, zFullNewPath); 393 + printf("***** Cannot merge symlink %s\n", zNewName); 394 + nConflict++; 395 + }else{ 396 + undo_save(zName); 397 + content_get(ridt, &t); 398 + content_get(ridv, &v); 399 + blob_zero(&e); 400 + blob_read_from_file(&e, zFullPath); 401 + rc = blob_merge(&v, &e, &t, &r); 402 + if( rc>=0 ){ 403 + if( !nochangeFlag ) blob_write_to_file(&r, zFullNewPath); 404 + if( rc>0 ){ 405 + printf("***** %d merge conflicts in %s\n", rc, zNewName); 406 + nConflict++; 407 + } 408 + }else{ 409 + if( !nochangeFlag ) blob_write_to_file(&t, zFullNewPath); 410 + printf("***** Cannot merge binary file %s\n", zNewName); 384 411 nConflict++; 385 412 } 386 - }else{ 387 - if( !nochangeFlag ) blob_write_to_file(&t, zFullNewPath); 388 - printf("***** Cannot merge binary file %s\n", zNewName); 389 - nConflict++; 413 + if( nameChng && !nochangeFlag ) unlink(zFullPath); 414 + blob_reset(&v); 415 + blob_reset(&e); 416 + blob_reset(&t); 417 + blob_reset(&r); 390 418 } 391 - if( nameChng && !nochangeFlag ) unlink(zFullPath); 392 - blob_reset(&v); 393 - blob_reset(&e); 394 - blob_reset(&t); 395 - blob_reset(&r); 396 419 }else{ 397 420 if( chnged ){ 398 421 if( verboseFlag ) printf("EDITED %s\n", zName); 399 422 }else{ 400 423 db_bind_int(&mtimeXfer, ":idv", idv); 401 424 db_bind_int(&mtimeXfer, ":idt", idt); 402 425 db_step(&mtimeXfer); ................................................................................ 450 473 ** Get the contents of a file within the checking "revision". If 451 474 ** revision==NULL then get the file content for the current checkout. 452 475 */ 453 476 int historical_version_of_file( 454 477 const char *revision, /* The checkin containing the file */ 455 478 const char *file, /* Full treename of the file */ 456 479 Blob *content, /* Put the content here */ 480 + int *isLink, /* Put islink here. Pass NULL if you don't need it */ 457 481 int errCode /* Error code if file not found. Panic if 0. */ 458 482 ){ 459 483 Manifest *pManifest; 460 484 ManifestFile *pFile; 461 485 int rid=0; 462 486 463 487 if( revision ){ ................................................................................ 473 497 474 498 if( pManifest ){ 475 499 manifest_file_rewind(pManifest); 476 500 while( (pFile = manifest_file_next(pManifest,0))!=0 ){ 477 501 if( fossil_strcmp(pFile->zName, file)==0 ){ 478 502 rid = uuid_to_rid(pFile->zUuid, 0); 479 503 manifest_destroy(pManifest); 504 + if( isLink!=NULL ){ 505 + *isLink = strstr(pFile->zPerm, "l") ? 1 : 0; 506 + } 480 507 return content_get(rid, content); 481 508 } 482 509 } 483 510 manifest_destroy(pManifest); 484 511 if( errCode<=0 ){ 485 512 fossil_fatal("file %s does not exist in checkin: %s", file, revision); 486 513 } ................................................................................ 548 575 " FROM vfile " 549 576 " WHERE chnged OR deleted OR rid=0 OR pathname!=origname;" 550 577 ); 551 578 } 552 579 blob_zero(&record); 553 580 db_prepare(&q, "SELECT name FROM torevert"); 554 581 while( db_step(&q)==SQLITE_ROW ){ 582 + int isLink = 0; 555 583 zFile = db_column_text(&q, 0); 556 584 if( zRevision!=0 ){ 557 - errCode = historical_version_of_file(zRevision, zFile, &record, 2); 585 + errCode = historical_version_of_file(zRevision, zFile, &record, &isLink, 2); 558 586 }else{ 559 587 rid = db_int(0, "SELECT rid FROM vfile WHERE pathname=%Q", zFile); 560 588 if( rid==0 ){ 561 589 errCode = 2; 562 590 }else{ 563 591 content_get(rid, &record); 564 592 errCode = 0; ................................................................................ 566 594 } 567 595 568 596 if( errCode==2 ){ 569 597 fossil_warning("file not in repository: %s", zFile); 570 598 }else{ 571 599 char *zFull = mprintf("%/%/", g.zLocalRoot, zFile); 572 600 undo_save(zFile); 573 - blob_write_to_file(&record, zFull); 601 + if( file_size(zFull)>=0 && (isLink || file_islink(zFull)) ){ 602 + unlink(zFull); 603 + } 604 + if( isLink ){ 605 + create_symlink(blob_str(&record), zFull); 606 + }else{ 607 + blob_write_to_file(&record, zFull); 608 + } 574 609 printf("REVERTED: %s\n", zFile); 575 610 if( zRevision==0 ){ 576 611 sqlite3_int64 mtime = file_mtime(zFull); 577 612 db_multi_exec( 578 613 "UPDATE vfile" 579 - " SET mtime=%lld, chnged=0, deleted=0," 614 + " SET mtime=%lld, chnged=0, deleted=0, islink=%d," 580 615 " pathname=coalesce(origname,pathname), origname=NULL" 581 616 " WHERE pathname=%Q", 582 - mtime, zFile 617 + mtime, isLink, zFile 583 618 ); 584 619 } 585 620 free(zFull); 586 621 } 587 622 blob_reset(&record); 588 623 } 589 624 db_finalize(&q); 590 625 undo_finish(); 591 626 db_end_transaction(0); 592 627 }
Changes to src/vfile.c.
82 82 ManifestFile *pFile; 83 83 84 84 db_begin_transaction(); 85 85 p = manifest_get(vid, CFTYPE_MANIFEST); 86 86 if( p==0 ) return; 87 87 db_multi_exec("DELETE FROM vfile WHERE vid=%d", vid); 88 88 db_prepare(&ins, 89 - "INSERT INTO vfile(vid,rid,mrid,pathname) " 90 - " VALUES(:vid,:id,:id,:name)"); 89 + "INSERT INTO vfile(vid,rid,mrid,pathname,islink) " 90 + " VALUES(:vid,:id,:id,:name,:islink)"); 91 91 db_bind_int(&ins, ":vid", vid); 92 92 manifest_file_rewind(p); 93 93 while( (pFile = manifest_file_next(p,0))!=0 ){ 94 94 if( pFile->zUuid==0 || uuid_is_shunned(pFile->zUuid) ) continue; 95 95 rid = uuid_to_rid(pFile->zUuid, 0); 96 96 if( rid==0 || db_int(-1, "SELECT size FROM blob WHERE rid=%d", rid)<0 ){ 97 97 fossil_warning("content missing for %s", pFile->zName); 98 98 continue; 99 99 } 100 100 db_bind_int(&ins, ":id", rid); 101 101 db_bind_text(&ins, ":name", pFile->zName); 102 + db_bind_int(&ins, ":islink", pFile->zPerm && strstr(pFile->zPerm, "l")); 102 103 db_step(&ins); 103 104 db_reset(&ins); 104 105 } 105 106 db_finalize(&ins); 106 107 manifest_destroy(p); 107 108 db_end_transaction(0); 108 109 } ................................................................................ 146 147 zName = db_column_text(&q, 1); 147 148 rid = db_column_int(&q, 2); 148 149 isDeleted = db_column_int(&q, 3); 149 150 oldChnged = db_column_int(&q, 4); 150 151 oldMtime = db_column_int64(&q, 7); 151 152 if( isDeleted ){ 152 153 chnged = 1; 153 - }else if( !file_isfile(zName) && file_size(0)>=0 ){ 154 + }else if( !file_isfile_or_link(zName) && file_size(0)>=0 ){ 154 155 if( notFileIsFatal ){ 155 156 fossil_warning("not an ordinary file: %s", zName); 156 157 nErr++; 157 158 } 158 159 chnged = 1; 159 160 }else if( oldChnged>=2 ){ 160 161 chnged = oldChnged; ................................................................................ 204 205 int promptFlag /* Prompt user to confirm overwrites */ 205 206 ){ 206 207 Stmt q; 207 208 Blob content; 208 209 int nRepos = strlen(g.zLocalRoot); 209 210 210 211 if( vid>0 && id==0 ){ 211 - db_prepare(&q, "SELECT id, %Q || pathname, mrid" 212 + db_prepare(&q, "SELECT id, %Q || pathname, mrid, islink" 212 213 " FROM vfile" 213 214 " WHERE vid=%d AND mrid>0", 214 215 g.zLocalRoot, vid); 215 216 }else{ 216 217 assert( vid==0 && id>0 ); 217 - db_prepare(&q, "SELECT id, %Q || pathname, mrid" 218 + db_prepare(&q, "SELECT id, %Q || pathname, mrid, islink" 218 219 " FROM vfile" 219 220 " WHERE id=%d AND mrid>0", 220 221 g.zLocalRoot, id); 221 222 } 222 223 while( db_step(&q)==SQLITE_ROW ){ 223 - int id, rid; 224 + int id, rid, isLink; 224 225 const char *zName; 225 226 226 227 id = db_column_int(&q, 0); 227 228 zName = db_column_text(&q, 1); 228 229 rid = db_column_int(&q, 2); 230 + isLink = db_column_int(&q, 3); 229 231 content_get(rid, &content); 230 232 if( file_is_the_same(&content, zName) ){ 231 233 blob_reset(&content); 232 234 continue; 233 235 } 234 236 if( promptFlag && file_size(zName)>=0 ){ 235 237 Blob ans; ................................................................................ 246 248 } 247 249 if( cReply=='n' || cReply=='N' ){ 248 250 blob_reset(&content); 249 251 continue; 250 252 } 251 253 } 252 254 if( verbose ) printf("%s\n", &zName[nRepos]); 253 - blob_write_to_file(&content, zName); 255 + if( file_isdir(zName) == 1 ){ 256 + //TODO remove directories? 257 + fossil_fatal("%s is directory, cannot overwrite\n", zName); 258 + } 259 + if( file_size(zName)>=0 && (isLink || file_islink(zName)) ){ 260 + unlink(zName); 261 + } 262 + if( isLink ){ 263 + create_symlink(blob_str(&content), zName); 264 + }else{ 265 + blob_write_to_file(&content, zName); 266 + } 254 267 blob_reset(&content); 255 268 db_multi_exec("UPDATE vfile SET mtime=%lld WHERE id=%d", 256 269 file_mtime(zName), id); 257 270 } 258 271 db_finalize(&q); 259 272 } 260 273 ................................................................................ 303 316 if( pEntry->d_name[1]==0 ) continue; 304 317 if( pEntry->d_name[1]=='.' && pEntry->d_name[2]==0 ) continue; 305 318 } 306 319 blob_appendf(pPath, "/%s", pEntry->d_name); 307 320 zPath = blob_str(pPath); 308 321 if( file_isdir(zPath)==1 ){ 309 322 vfile_scan(vid, pPath, nPrefix, allFlag); 310 - }else if( file_isfile(zPath) && !db_exists(zSql, &zPath[nPrefix+1]) ){ 323 + }else if( file_isfile_or_link(zPath) && !db_exists(zSql, &zPath[nPrefix+1]) ){ 311 324 db_multi_exec("INSERT INTO sfile VALUES(%Q)", &zPath[nPrefix+1]); 312 325 } 313 326 blob_resize(pPath, origSize); 314 327 } 315 328 } 316 329 closedir(d); 317 330 } ................................................................................ 354 367 while( db_step(&q)==SQLITE_ROW ){ 355 368 const char *zFullpath = db_column_text(&q, 0); 356 369 const char *zName = db_column_text(&q, 1); 357 370 int isSelected = db_column_int(&q, 3); 358 371 359 372 if( isSelected ){ 360 373 md5sum_step_text(zName, -1); 361 - in = fopen(zFullpath,"rb"); 362 - if( in==0 ){ 363 - md5sum_step_text(" 0\n", -1); 364 - continue; 365 - } 366 - fseek(in, 0L, SEEK_END); 367 - sqlite3_snprintf(sizeof(zBuf), zBuf, " %ld\n", ftell(in)); 368 - fseek(in, 0L, SEEK_SET); 369 - md5sum_step_text(zBuf, -1); 370 - /*printf("%s %s %s",md5sum_current_state(),zName,zBuf); fflush(stdout);*/ 371 - for(;;){ 372 - int n; 373 - n = fread(zBuf, 1, sizeof(zBuf), in); 374 - if( n<=0 ) break; 375 - md5sum_step_text(zBuf, n); 376 - } 377 - fclose(in); 374 + if( file_islink(zFullpath) ){ 375 + /* Instead of file content, use link destination path */ 376 + Blob pathBuf; 377 + 378 + sqlite3_snprintf(sizeof(zBuf), zBuf, " %ld\n", 379 + blob_read_link(&pathBuf, zFullpath)); 380 + md5sum_step_text(zBuf, -1); 381 + md5sum_step_text(blob_str(&pathBuf), -1); 382 + blob_reset(&pathBuf); 383 + }else{ 384 + in = fopen(zFullpath,"rb"); 385 + if( in==0 ){ 386 + md5sum_step_text(" 0\n", -1); 387 + continue; 388 + } 389 + fseek(in, 0L, SEEK_END); 390 + sqlite3_snprintf(sizeof(zBuf), zBuf, " %ld\n", ftell(in)); 391 + fseek(in, 0L, SEEK_SET); 392 + md5sum_step_text(zBuf, -1); 393 + /*printf("%s %s %s",md5sum_current_state(),zName,zBuf); fflush(stdout);*/ 394 + for(;;){ 395 + int n; 396 + n = fread(zBuf, 1, sizeof(zBuf), in); 397 + if( n<=0 ) break; 398 + md5sum_step_text(zBuf, n); 399 + } 400 + fclose(in); 401 + } 378 402 }else{ 379 403 int rid = db_column_int(&q, 4); 380 404 const char *zOrigName = db_column_text(&q, 2); 381 405 char zBuf[100]; 382 406 Blob file; 383 407 384 408 if( zOrigName ) zName = zOrigName; ................................................................................ 415 439 md5sum_init(); 416 440 while( db_step(&q)==SQLITE_ROW ){ 417 441 const char *zFullpath = db_column_text(&q, 0); 418 442 const char *zName = db_column_text(&q, 1); 419 443 int rid = db_column_int(&q, 2); 420 444 421 445 blob_zero(&disk); 422 - rc = blob_read_from_file(&disk, zFullpath); 423 - if( rc<0 ){ 424 - printf("ERROR: cannot read file [%s]\n", zFullpath); 425 - blob_reset(&disk); 426 - continue; 446 + if( file_islink(zFullpath) ){ 447 + blob_read_link(&disk, zFullpath); 448 + }else{ 449 + rc = blob_read_from_file(&disk, zFullpath); 450 + if( rc<0 ){ 451 + printf("ERROR: cannot read file [%s]\n", zFullpath); 452 + blob_reset(&disk); 453 + continue; 454 + } 427 455 } 428 456 blob_zero(&repo); 429 457 content_get(rid, &repo); 430 458 if( blob_size(&repo)!=blob_size(&disk) ){ 431 459 printf("ERROR: [%s] is %d bytes on disk but %d in the repository\n", 432 460 zName, blob_size(&disk), blob_size(&repo)); 433 461 blob_reset(&disk);