tests/sort/sort-compress.sh

   1 #!/bin/sh
   2 # Test use of compression by sort
   3
   4 # Copyright (C) 2007-2024 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ sort
  21 require_trap_signame_
  22
  23 seq -w 2000 > exp || framework_failure_
  24 tac exp > in || framework_failure_
  25
  26 # This should force the use of temp files
  27 sort -S 1k in > out || fail=1
  28 compare exp out || fail=1
  29
  30 # Create our own gzip program that will be used as the default
  31 cat <<EOF > gzip || framework_failure_
  32 #!$SHELL
  33 tr 41 14
  34 touch ok
  35 EOF
  36
  37 chmod +x gzip
  38
  39 # Ensure 'sort' is immune to parent's SIGCHLD handler
  40 # Use a subshell and an exec to work around a bug in FreeBSD 5.0 /bin/sh.
  41 (
  42   trap '' CHLD
  43
  44   # This should force the use of child processes for "compression"
  45   PATH=.:$PATH exec sort -S 1k --compress-program=gzip in > /dev/null
  46 ) || fail=1
  47
  48 # This will find our new gzip in PATH
  49 PATH=.:$PATH sort -S 1k --compress-program=gzip in > out || fail=1
  50 compare exp out || fail=1
  51 test -f ok || fail=1
  52 rm -f ok
  53
  54 # This is to make sure it works with no compression.
  55 PATH=.:$PATH sort -S 1k in > out || fail=1
  56 compare exp out || fail=1
  57 test -f ok && fail=1
  58
  59 # This is to make sure we can use something other than gzip
  60 mv gzip dzip || fail=1
  61 sort --compress-program=./dzip -S 1k in > out || fail=1
  62 compare exp out || fail=1
  63 test -f ok || fail=1
  64 rm -f ok
  65
  66 # Make sure it can find other programs in PATH correctly
  67 PATH=.:$PATH sort --compress-program=dzip -S 1k in > out || fail=1
  68 compare exp out || fail=1
  69 test -f ok || fail=1
  70 rm -f dzip ok
  71
  72 Exit $fail