1#!/bin/bash 2 3[ -f testing.sh ] && . testing.sh 4 5#testing "name" "command" "result" "infile" "stdin" 6 7# For reproducibility: TZ=UTC, umask 0002, override ownership and timestamp 8export TZ=utc 9umask 0002 10TAR='tar c --owner root --group sys --mtime @1234567890' 11 12# 255 bytes, longest VFS name 13LONG=0123456789abcdef0123456789abcdef 14LONG=$LONG$LONG$LONG$LONG$LONG$LONG$LONG$LONG 15LONG=${LONG:1:255} 16 17# We check both sha1sum (to ensure binary identical output) and list contents. 18 19# Check hash of first N 512 byte frames to ensure result is binary identical. 20function SUM() 21{ 22 # Different tars add variable trailing NUL padding (1024 bytes is just 23 # minimum) so look at first N 512-byte frames when analyzing header content. 24 tee save.dat | head -c $(($1*512)) | sha1sum | sed "s/ .*//" 25} 26 27# List tarball contents, converting variable tabs into one space 28function LST() 29{ 30 tar tv "$@" | sed 's/[ \t][ \t]*/ /g' 31} 32 33# Check that stored empty file is binary identical and decodes as expected. 34touch file 35testing "store file" "$TAR file | SUM 3" \ 36 "2735f3a18d770dd0d7145d76108532f72bef9927\n" "" "" 37testing "pass file" "$TAR file | LST" \ 38 "-rw-rw-r-- root/sys 0 2009-02-13 23:31 file\n" "" "" 39 40# Two files from -T list 41touch file1 file2 42testing "-T newline" "$TAR -T input | LST" \ 43 "-rw-rw-r-- root/sys 0 2009-02-13 23:31 file1\n-rw-rw-r-- root/sys 0 2009-02-13 23:31 file2\n" "file1\nfile2\n" "" 44testing "-T null" "$TAR --null -T input | LST" \ 45 "-rw-rw-r-- root/sys 0 2009-02-13 23:31 file1\n-rw-rw-r-- root/sys 0 2009-02-13 23:31 file2\n" "file1\0file2\0" "" 46 47# User "root" is UID 0 and group "sys" is GID 3 (on Linux, BSD, and Mac), 48# inherited from Bell Labs Unix v7 49 50# Note: testing both "tar c" and "tar -c" here. 51testing "specify UID, fetch GID" "tar -c --owner nobody:65534 --mtime @0 file | LST" \ 52 "-rw-rw-r-- nobody/$(stat -c %G file) 0 1970-01-01 00:00 file\n" "" "" 53testing "fetch UID, specify GID" "tar c --group nobody:65534 --mtime @0 file | LST" \ 54 "-rw-rw-r-- $(stat -c %U file)/nobody 0 1970-01-01 00:00 file\n" "" "" 55 56# Large values switch from ascii numbers to a binary format. 57testing "huge values" "tar c --owner 9999999 --group 8888888 --mtime @0 file | SUM 3" \ 58 "396b07fd2f80eeb312462e3bfb7dc1325dc6bcfb\n" "" "" 59 60testcmd "longname" "tf $FILES/tar/long_path.tar" \ 61 "$(printf 'long file name%86cTRAILING' ' ' | tr ' ' _)\n" "" "" 62 63touch -t 198701231234.56 file 64testing "pass mtime" \ 65 "tar c --owner root --group sys file | LST --full-time" \ 66 "-rw-rw-r-- root/sys 0 1987-01-23 12:34:56 file\n" "" "" 67 68testing "adjust mode" \ 69 "tar c --owner root --group sys --mode a+x file | LST --full-time" \ 70 "-rwxrwxr-x root/sys 0 1987-01-23 12:34:56 file\n" "" "" 71 72mkdir dir 73testing "store dir" "$TAR dir | SUM 3" \ 74 "85add1060cfe831ca0cdc945158efe6db485b81e\n" "" "" 75testing "pass dir" "$TAR dir | LST" \ 76 "drwxrwxr-x root/sys 0 2009-02-13 23:31 dir/\n" "" "" 77 78# note: does _not_ include dir entry in archive, just file 79touch dir/file 80testing "store file in dir" "$TAR dir/file | SUM 3" \ 81 "d9e7fb3884430d29e7eed0dc04a2593dd260df14\n" "" "" 82 83# Test recursion with one file so filesystem sort order can't change result 84testing "store dir and dir/file" "$TAR dir | SUM 3" \ 85 "a4e35f87e28c4565b60ba01dbe79e431914f8788\n" "" "" 86 87testing "pass dir/file" "$TAR dir | LST" \ 88 "drwxrwxr-x root/sys 0 2009-02-13 23:31 dir/\n-rw-rw-r-- root/sys 0 2009-02-13 23:31 dir/file\n" "" "" 89 90echo boing > dir/that 91testing "tar C" "$TAR -C dir that | SUM 3" \ 92 "d469d4bc06def2d8808400ba30025ca295d05e4f\n" "" "" 93 94ln dir/file dir/hardlink 95testing "store hardlink" "$TAR dir/file dir/hardlink | SUM 3" \ 96 "519de8abd1b32debd495a0fc1d96082184abbdcc\n" "" "" 97 98skipnot mkfifo dir/fifo 2>/dev/null 99testing "create dir/fifo" "$TAR dir/fifo | SUM 3" \ 100 "cad477bd0fc5173d0a43f4774f514035456960e6\n" "" "" 101 102# test L and K records 103 104# 4+96=100 (biggest short name), 4+97=101 (shortest long name) 105touch dir/${LONG:1:96} dir/${LONG:1:97} 106testing "create long fname" "$TAR dir/${LONG:1:97} dir/${LONG:1:96} | SUM 3" \ 107 "d70018505fa5df19ae73498cfc74d0281601e42e\n" "" "" 108 109# MacOS X has different symlink permissions, skip these tests there 110[ "$(uname)" == Darwin ] && SKIP=999 111 112 # / and .. only stripped from name, not symlink target. 113 ln -s ../name.././.. dir/link 114 testing "create symlink" "$TAR dir/link | SUM 3" \ 115 "f841bf9d757c655c5d37f30be62acb7ae24f433c\n" "" "" 116 117 ln dir/link dir/hlink 118 testing "create hardlink to symlink" "$TAR dir/link dir/hlink | SUM 3" \ 119 "de571a6dbf09e1485e513ad13a178b1729267452\n" "" "" 120 121 ln -s dir/${LONG:1:96} dir/lshort 122 ln -s dir/${LONG:1:97} dir/llong 123 testing "create long symlink" "$TAR dir/lshort dir/llong | SUM 3" \ 124 "07eaf397634b5443dbf2d3ec38a4302150fcfe82\n" "" "" 125 126 skipnot ln -s $LONG dir/${LONG:5} 2>/dev/null 127 testing "create long->long" "$TAR dir/${LONG:5} | SUM 7" \ 128 "b9e24f53e27496c5125445230d201b4a36ff7398\n" "" "" 129 130 # absolute and relative link names, broken and not 131 ln -s file dir/linkok 132 testing "create symlink" "$TAR dir/linkok | SUM 3" \ 133 "f5669cfd179ddcdd5ca9f8a1561a99e11e0a08b1\n" "" "" 134 135SKIP=0 # End of tests that don't match MacOS symlink permissions 136 137symlink_perms=lrwxrwxrwx 138[ "$(uname)" == "Darwin" ] && symlink_perms=lrwxrwxr-x 139 140ln -s /dev/null dir/linknull 141testing "pass absolute symlink" "$TAR dir/linknull | LST" \ 142 "$symlink_perms root/sys 0 2009-02-13 23:31 dir/linknull -> /dev/null\n" "" "" 143 144ln -s rel/broken dir/relbrok 145testing "pass broken symlink" "$TAR dir/relbrok | LST" \ 146 "$symlink_perms root/sys 0 2009-02-13 23:31 dir/relbrok -> rel/broken\n" "" "" 147 148ln -s /does/not/exist dir/linkabsbrok 149testing "pass broken absolute symlink" "$TAR dir/linkabsbrok | LST" \ 150 "$symlink_perms root/sys 0 2009-02-13 23:31 dir/linkabsbrok -> /does/not/exist\n" \ 151 "" "" 152 153nulldev=1,3 # devtmpfs values 154[ "$(uname)" == "Darwin" ] && nulldev=3,2 155 156testing "pass /dev/null" \ 157 "tar c --mtime @0 /dev/null 2>/dev/null | LST" \ 158 "crw-rw-rw- $(stat -c %U/%G /dev/null) $nulldev 1970-01-01 00:00 dev/null\n" \ 159 "" "" 160testing "--absolute-names" \ 161 "tar c --mtime @0 --absolute-names /dev/null 2>/dev/null | LST" \ 162 "crw-rw-rw- $(stat -c %U/%G /dev/null) $nulldev 1970-01-01 00:00 /dev/null\n"\ 163 "" "" 164 165# compression types 166testing "autodetect gzip" 'LST -f "$FILES"/tar/tar.tgz' \ 167 "drwxr-x--- enh/eng 0 2017-05-13 01:05 dir/\n-rw-r----- enh/eng 12 2017-05-13 01:05 dir/file\n" \ 168 "" "" 169 170testing "manually specify bz2" 'LST -jf "$FILES"/tar/tar.tbz2' \ 171 "drwxr-x--- enh/eng 0 2017-05-13 01:05 dir/\n-rw-r----- enh/eng 12 2017-05-13 01:05 dir/file\n" \ 172 "" "" 173 174# -I 175testing "-I gzip c" "$TAR -Igzip file | file - | grep -o 'gzip compressed'" \ 176 "gzip compressed\n" "" "" 177testing "-I gzip t" 'LST -Igzip -f "$FILES"/tar/tar.tgz' \ 178 "drwxr-x--- enh/eng 0 2017-05-13 01:05 dir/\n-rw-r----- enh/eng 12 2017-05-13 01:05 dir/file\n" \ 179 "" "" 180 181skipnot mknod -m 660 dir/char c 12 34 2>/dev/null && chgrp sys dir/char 182NOSPACE=1 testing "character special" "tar --mtime @0 -cf test.tar dir/char && rm -f dir/char && tar xf test.tar && ls -l --full-time dir/char" \ 183 "crw-rw---- 1 root sys 12, 34 1970-01-01 00:00:00.000000000 +0000 dir/char\n"\ 184 "" "" 185 186skipnot mknod -m 660 dir/block b 23 45 2>/dev/null && chgrp sys dir/block 187NOSPACE=1 testing "block special" "tar --mtime @0 -cf test.tar dir/block && rm -f dir/block && tar xf test.tar && ls -l --full-time dir/block" \ 188 "brw-rw---- 1 root sys 23, 45 1970-01-01 00:00:00.000000000 +0000 dir/block\n"\ 189 "" "" 190 191skipnot chown nobody:nogroup dir/file 2>/dev/null 192testing "ownership" "$TAR dir/file | SUM 3" \ 193 "2d7b96c7025987215f5a41f10eaa84311160afdb\n" "" "" 194 195mkdir -p dd/sub/blah && 196tar cf test.tar dd/sub/blah && 197rm -rf dd/sub && 198skipnot ln -s ../.. dd/sub 199toyonly testing "symlink out of cwd" \ 200 "tar xf test.tar 2> /dev/null || echo yes ; [ ! -e dd/sub/blah ] && echo yes" \ 201 "yes\nyes\n" "" "" 202 203# If not root can't preserve ownership, so don't try yet. 204 205testing "extract dir/file from tar" \ 206 "tar xvCf dd $FILES/tar/tar.tar && stat -c '%A %Y %n' dd/dir dd/dir/file" \ 207 "dir/\ndir/file\ndrwxr-x--- 1494637555 dd/dir\n-rw-r----- 1494637555 dd/dir/file\n" \ 208 "" "" 209 210testing "extract dir/file from tgz (autodetect)" \ 211 "tar xvCf dd $FILES/tar/tar.tgz && stat -c '%A %Y %n' dd/dir dd/dir/file" \ 212 "dir/\ndir/file\ndrwxr-x--- 1494637555 dd/dir\n-rw-r----- 1494637555 dd/dir/file\n" \ 213 "" "" 214 215toyonly testing "cat tgz | extract dir/file (autodetect)" \ 216 "cat $FILES/tar/tar.tgz | tar xvC dd && stat -c '%A %Y %n' dd/dir dd/dir/file" \ 217 "dir/\ndir/file\ndrwxr-x--- 1494637555 dd/dir\n-rw-r----- 1494637555 dd/dir/file\n" \ 218 "" "" 219 220testing "extract dir/file from tbz2 (autodetect)" \ 221 "tar xvCf dd $FILES/tar/tar.tbz2 && stat -c '%A %Y %n' dd/dir dd/dir/file" \ 222 "dir/\ndir/file\ndrwxr-x--- 1494637555 dd/dir\n-rw-r----- 1494637555 dd/dir/file\n" \ 223 "" "" 224 225toyonly testing "cat tbz | extract dir/file (autodetect)" \ 226 "cat $FILES/tar/tar.tbz2 | tar xvC dd && stat -c '%A %Y %n' dd/dir dd/dir/file" \ 227 "dir/\ndir/file\ndrwxr-x--- 1494637555 dd/dir\n-rw-r----- 1494637555 dd/dir/file\n" \ 228 "" "" 229 230mkdir path && ln -s "$(which gzip)" "$(which tar)" path/ && [ -x path/gzip ] || 231 ((++SKIP)) 232toyonly testing "autodetect falls back to gzip -d when no zcat" \ 233 "PATH=path; tar tf $FILES/tar/tar.tgz" "dir/\ndir/file\n" "" "" 234rm -rf path 235 236# TODO: run sparse tests on tmpfs mount? (Request filesystem type?) 237# Only run sparse tests if filesystem can handle sparse files @4k granularity 238dd if=/dev/zero bs=4k count=1 seek=1 of=blah.img 2>/dev/null 239[ $(du blah.img | sed 's/[ \t].*//') -ne 4 ] && SKIP=999 240rm -f blah.img 241[ "$(uname)" == "Darwin" ] && SKIP=999 242 243 yes | head -n $((1<<18)) > bang 244 { 245 dd bs=$((1<<16)) count=1 status=none 246 dd bs=8192 seek=14 count=1 status=none 247 dd bs=4096 seek=64 count=5 status=none 248 } < bang > fweep 249 testing "sparse without overflow" "$TAR --sparse fweep | SUM 3" \ 250 "50dc56c3c7eed163f0f37c0cfc2562852a612ad0\n" "" "" 251 rm bang fweep 252 253 for i in 1 3 5 7 9 14 27 36 128 256 300 304 254 do 255 dd if=/dev/zero of=fweep bs=65536 seek=$i count=1 2>/dev/null 256 done 257 testing "sparse single overflow" "$TAR --sparse fweep | SUM 6" \ 258 "81d59c3a7470201f92d60e63a43318ddde893f6d\n" "" "" 259 rm fweep 260 261 for i in $(seq 8 3 200) 262 do 263 dd if=/dev/zero of=fweep bs=65536 seek=$i count=1 2>/dev/null 264 dd if=/dev/zero of=fweep2 bs=65536 seek=$i count=1 2>/dev/null 265 done 266 truncate -s 20m fweep2 267 testing "sparse double overflow" "$TAR --sparse fweep | SUM 7" \ 268 "024aacd955e45f89bafedb3f37c8d39b4d556471\n" "" "" 269 270 tar c --sparse fweep > fweep.tar 271 rm fweep 272 testing "sparse extract" "tar xf fweep.tar && $TAR --sparse fweep | SUM 4" \ 273 "b949d3a3b4c6457c873f1ea9918fd9029c5ed4b3\n" "" "" 274 testing "sparse tvf" \ 275 "tar tvf fweep.tar | grep -wq 13172736 && echo right size" "right size\n" \ 276 "" "" 277 rm fweep fweep.tar 278 279 tar c --sparse fweep2 > fweep2.tar 280 rm fweep2 281 testing "sparse extract hole at end" \ 282 "tar xf fweep2.tar && $TAR --sparse fweep2 | SUM 4" \ 283 "807664bcad0e827793318ff742991d6f006b2127\n" "" "" 284 rm fweep2 fweep2.tar 285 286 testcmd 'extract obsolete sparse format' \ 287 'xf "$FILES"/tar/oldsparse.tgz && sha1sum hello-sparse.c | head -c 12' \ 288 '9714dc7ac8c0' '' '' 289 rm -f hello-sparse.c 290 291SKIP=0 # End of sparse tests 292 293mkdir -p links 294touch links/orig 295ln links/{orig,link1} 296ln links/{orig,link2} 297testcmd 'links' '-cf test.tar links' '' '' '' 298rm -rf links 299 300mkdir links 301for i in {0..12}; do touch links/orig$i; ln links/{orig,link}$i; done 302testcmd 'links2' '-cf test.tar links' '' '' '' 303rm -rf links 304 305install -m 000 -d folder/skip/oof && 306testcmd 'exclude' '--exclude skip -cvf tar.tar folder && echo yes' \ 307 'folder/\nyes\n' '' '' 308rm -rf folder tar.tar 309 310mkdir -p one/two; echo hello > one/two/three; tar czf test.tar one/two/three 311rm one/two/three; mkdir one/two/three 312testcmd 'replace dir with file' '-xf test.tar && cat one/two/three' \ 313 'hello\n' '' '' 314rm -rf one test.tar 315 316mkdir ..dotsdir 317testing "create ..dotsdir" "$TAR ..dotsdir | SUM 3" \ 318 "62ff23c9b427020331992b9bc71f082099c1411f\n" "" "" 319 320testing "pass ..dotsdir" "$TAR ..dotsdir | LST" \ 321 "drwxrwxr-x root/sys 0 2009-02-13 23:31 ..dotsdir/\n" "" "" 322rmdir ..dotsdir 323 324mkdir -p one/two/three/four/five 325touch one/two/three/four/five/six 326testing "--strip" "$TAR one | tar t --strip=2 --show-transformed | grep six" \ 327 "three/four/five/six\n" "" "" 328 329# toybox tar --xform depends on toybox sed 330[ -z "$TEST_HOST" ] && ! sed --tarxform '' </dev/null 2>/dev/null && SKIP=99 331 332mkdir uno 333ln -s tres uno/dos 334touch uno/tres 335ln uno/tres uno/quatro 336LL() { LST --show-transformed-names $XX | sed 's/^.* 23:31 //'; } 337TT() { $TAR --no-recursion uno uno/{dos,tres,quatro} "$@" | LL; } 338testing 'xform S' \ 339 "TT --xform 's/uno/one/S;s/dos/two/S;s/tres/three/S;s/quatro/four/S'" \ 340 "one/\none/two -> tres\none/three\none/four link to one/three\n" "" "" 341 342testing 'xform flags=rh starts with all disabled' \ 343 "TT --xform 's/uno/one/;flags=rh;s/dos/two/;s/tres/three/;s/quatro/four/'" \ 344 "one/\none/two -> tres\none/three\none/four link to one/three\n" "" "" 345 346testing 'xform flags=rHhsS toggles' \ 347 "TT --xform 's/uno/one/;flags=rHhsS;s/dos/two/;s/tres/three/;s/quatro/four/'"\ 348 "one/\none/two -> tres\none/three\none/four link to one/three\n" "" "" 349 350testing 'xform flags= is not a delta from previous' \ 351 "TT --xform 'flags=s;flags=rh;s/uno/one/;s/dos/two/;s/tres/three/;s/quatro/four/'" \ 352 "one/\none/two -> tres\none/three\none/four link to one/three\n" "" "" 353 354testing 'xform H' \ 355 "TT --xform 'flags=rsH;s/uno/one/;s/dos/two/;s/tres/three/;s/quatro/four/'" \ 356 "one/\none/two -> three\none/three\none/four link to uno/tres\n" "" "" 357 358testing 'xform R' \ 359 "TT --xform 'flags=rshR;s/uno/one/;s/dos/two/;s/tres/three/;s/quatro/four/'" \ 360 "uno/\nuno/dos -> three\nuno/tres\nuno/quatro link to one/three\n" "" "" 361 362testing "xform path" "$TAR one --xform=s@three/four/@zero@ | tar t | grep six" \ 363 "one/two/zerofive/six\n" "" "" 364 365testing "xform trailing slash special case" \ 366 "$TAR --xform 's#^.+/##x' one/two/three/four/five | tar t" 'five/\nsix\n' '' '' 367 368# The quoting works because default IFS splits on whitepace not ; 369testing "xform extract all" \ 370 "XX='--xform s/uno/one/;s/dos/two/;s/tres/three/;s/quatro/four/' TT" \ 371 'one/\none/two -> three\none/three\none/four link to one/three\n' '' '' 372 373testing 'xform extract S' \ 374 "XX='--xform s/uno/one/S;s/dos/two/S;s/tres/three/S;s/quatro/four/S' TT" \ 375 "one/\none/two -> tres\none/three\none/four link to one/three\n" "" "" 376 377testing 'xform extract H' \ 378 "XX='--xform flags=rs;s/uno/one/;s/dos/two/;s/tres/three/;s/quatro/four/' TT"\ 379 "one/\none/two -> three\none/three\none/four link to uno/tres\n" "" "" 380 381testing 'xform extract R' \ 382 "XX='--xform flags=sh;s/uno/one/;s/dos/two/;s/tres/three/;s/quatro/four/' TT"\ 383 "uno/\nuno/dos -> three\nuno/tres\nuno/quatro link to one/three\n" "" "" 384 385rm -rf uno 386SKIP=0 387rm -rf one 388 389testing '-P' "$TAR -P --no-recursion -C / /// .. | SUM 3" \ 390 "a3e94211582da121845d823374d8f41ead62d7bd\n" "" "" 391 392testing 'without -P' "$TAR --no-recursion -C / /// .. 2>/dev/null | SUM 3" \ 393 "077d03243e247b074806904885e6da272fd5857a\n" "" "" 394 395# Wildcards: --exclude, include (create/extract * cmdline/recursive) 396# --anchored, --wildcards, --wildcards-match-slash 397# --no-* versions of each. Span coverage, switching on/off... 398 399#pattern a.c 400# abcd dabc a/c da/c 401# top/* 402 403mkdir sub && cd sub && mkdir -p a da top/a top/da && 404touch abcd dabc a/c da/c top/abcd top/dabc top/a/c top/da/c && 405$TAR -f ../sub.tar abcd dabc a da top && cd .. || exit 1 406 407# TODO I have not made wildcard state changes positional. 408 409testing 'wildcards do not affect creation cmdline args' \ 410 '$TAR -C sub --wildcards a.cd abcd dabc a da top 2>/dev/null | cmp - sub.tar' \ 411 '' '' '' 412 413testing 'creation --exclude --no-wildcards'\ 414 '$TAR -C sub --no-wildcards --exclude=d?bc abcd dabc | LL' \ 415 'abcd\ndabc\n' '' '' 416 417 418testing 'creation --wildcards --exclude'\ 419 '$TAR -C sub --wildcards --exclude=d?bc abcd dabc | LL' \ 420 'abcd\n' '' '' 421 422# TODO: do we need to set DIRTREE_BREADTH at top level? Come up with test if so. 423mkdir sub2 424touch sub2/{ephebe,klatch,djelibeybi} 425testing 'tsort' '$TAR -c sub2 --sort=name | tar t' \ 426 'sub2/\nsub2/djelibeybi\nsub2/ephebe\nsub2/klatch\n' '' '' 427 428touch file 429testing './file bug' 'tar c ./file > tar.tar && tar t ./file < tar.tar' \ 430 './file\n' '' '' 431 432skipnot [ $(id -u) -ne 0 ] # Root defaults to -p 433testing 'honor umask' \ 434 'umask 0022 && rm -rf dir && mkdir dir && tar xf $FILES/tar/dir.tar && stat -c%A dir dir/file' \ 435 'drwxr-xr-x\n-rwxr-xr-x\n' '' '' 436testing 'extract changes directory permissions' \ 437 'umask 0022 && rm -rf dir && mkdir dir && umask 0 && tar xf $FILES/tar/dir.tar && stat -c%A dir dir/file' \ 438 'drwxrwxrwx\n-rwxrwxrwx\n' '' '' 439testing '-p overrides umask' \ 440 'umask 0022 && rm -rf dir && mkdir dir && tar xpf $FILES/tar/dir.tar && stat -c%A dir dir/file' \ 441 'drwxrwxrwx\n-rwxrwxrwx\n' '' '' 442 443if false 444then 445# Sequencing issues that leak implementation details out the interface 446testing "what order are --xform, --strip, and --exclude processed in?" 447testing "--xform vs ../ removal and adding / to dirs" 448 449chmod 700 dir 450tar cpf tar.tgz dir/file 451#chmod 700 dir 452#tar xpf file 453#ls -ld dir/file 454 455# restore ownership of file, dir, and symlink 456 457# merge add_to_tar and write_longname, 458# filter, incl or excl and anchored/wildcards 459 460# extract file not under cwd 461# exclusion defaults to --no-anchored and --wildcards-match-slash 462# both incl and excl 463 464# catch symlink overwrite 465# add dir with no trailing slash 466# don't allow hardlink target outside cwd 467# extract dir/file without dir in tarball 468# create with and without each flag 469# --owner --group --numeric-owner 470# extract with and without each flag 471# --owner 0 --group 0 472# set symlink owner 473# >256 hardlink inodes 474# // remove leading / and any .. entries from saved name 475# // exclusion defaults to --no-anchored and --wildcards-match-slash 476# //bork blah../thing blah/../thing blah/../and/../that blah/.. ../blah 477# tar tv --owner --group --mtime 478# extract file within dir date correct 479# name ending in /.. or just ".." as a name 480 481 482fi 483 484rm -f save.dat 485