tests/missing-tar.test

   1 #! /bin/sh
   2 # Copyright (C) 2011 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # Test how the `missing' script wraps the`tar' program.
  18
  19 . ./defs || Exit 1
  20
  21 get_shell_script "missing"
  22
  23 old_PATH=$PATH; export old_PATH
  24 new_PATH=`pwd`/bin$PATH_SEPARATOR$PATH
  25 mkdir bin
  26
  27 cat > data.txt <<'END'
  28 To be, or not to be: that is the question:
  29 Whether 'tis nobler in the mind to suffer
  30 ...
  31 END
  32
  33 cat > nonesuch <<'END'
  34 #!/bin/sh
  35 exit 127
  36 END
  37 chmod a+x nonesuch
  38
  39 # Simple runs.
  40 for nullify_gnu in yes no; do
  41   case $nullify_gnu in
  42     yes)
  43       cp nonesuch bin/gtar
  44       cp nonesuch bin/gnutar
  45       PATH=$new_PATH; export PATH;
  46       mkdir simple-nognu
  47       cd simple-nognu
  48       ;;
  49     no)
  50       mkdir simple-dflt
  51       cd simple-dflt
  52       ;;
  53     *)
  54       Exit 99 # Can't happen.
  55       ;;
  56   esac
  57   cp ../data.txt foobar.txt
  58   ../missing --run tar cvf mu.tar foobar.txt
  59   rm -f foobar.txt
  60   test -f mu.tar
  61   ../missing --run tar tf mu.tar >output 2>&1 || { cat output; Exit 1; }
  62   cat output
  63   $FGREP 'foobar.txt' output
  64   test ! -f foobar.txt
  65   ../missing --run tar xvf mu.tar
  66   diff ../data.txt foobar.txt
  67   PATH=$old_PATH; export PATH;
  68   cd ..
  69 done
  70
  71 rm -f bin/*
  72
  73 # Helper scripts and functions for next tests.
  74
  75 cat > fake-gnu-tar <<'END'
  76 #!/bin/sh
  77 case " $* " in *\ --version\ *) echo fake GNU tar; exit $?;; esac
  78 PATH=$old_PATH; export PATH
  79 exec tar "$@"
  80 END
  81 chmod a+x fake-gnu-tar
  82
  83 cat > failing-tar <<'END'
  84 #!/bin/sh
  85 echo "Error message from tar passed through" >&2
  86 exit 1
  87 END
  88 chmod a+x failing-tar
  89
  90 grep_tar_failed ()
  91 {
  92   grep "WARNING:.* can't.* run \`tar' with .*given arguments" $*
  93 }
  94
  95 # The `tar' program does not work with the given options, but we have
  96 # gtar or gnutar.
  97 cp failing-tar bin/tar
  98 for pfx in g gnu; do
  99   case $pfx in g) othpfx=gnu;; gnu) othpfx=g;; *) Exit 99;; esac
 100   cp nonesuch bin/${othpfx}tar
 101   if ${pfx}tar --version | grep GNU; then :; else
 102     cp fake-gnu-tar bin/${pfx}tar
 103   fi
 104   tarball=foo-$pfx.tar
 105   PATH=$new_PATH; export PATH
 106   ./missing --run tar cvf $tarball ./data.txt 2>stderr \
 107     || { cat stderr >&2; Exit 1; }
 108   cat stderr >&2
 109   PATH=$old_PATH; export PATH
 110   test -f $tarball
 111   grep_tar_failed stderr
 112   grep "Error message from tar passed through" stderr
 113   grep "[Tt]rying to use GNU tar.*${pfx}tar" stderr
 114   grep "${othpfx}tar" stderr && Exit 1
 115   : # For shells with broken 'set -e'
 116 done
 117
 118 rm -f bin/*
 119
 120 # The `tar' program does not work with the given options, and we don't
 121 # have neither gtar nor gnutar.
 122 cp failing-tar bin/tar
 123 cp nonesuch bin/gtar
 124 cp nonesuch bin/gnutar
 125 PATH=$new_PATH; export PATH
 126 ./missing --run tar cvf foo.tar ./data.txt 2>stderr \
 127   && { cat stderr >&2; Exit 1; }
 128 cat stderr >&2
 129 PATH=$old_PATH; export PATH
 130 test ! -f foo.tar
 131 grep_tar_failed stderr
 132 grep "Error message from tar passed through" stderr
 133 grep "[iI]nstall GNU tar or Free [pP]axutils" stderr
 134 $EGREP "(g|gnu)tar" stderr && Exit 1
 135
 136 rm -f bin/*
 137
 138 # We try to use an option that causes any `tar' program (GNU or non-GNU) to.
 139 ./missing --run tar --bad-unknonw-option cvf foo.tar ./data.txt 2>stderr \
 140   && { cat stderr >&2; Exit 1; }
 141 cat stderr >&2
 142 test ! -f foo.tar
 143 grep_tar_failed stderr
 144 grep "bad-unknonw-option" stderr
 145 for p in gtar gnutar; do
 146   if $p --version; then
 147     cnt=1
 148   else
 149     cnt=0
 150   fi
 151   test `$EGREP -c "[Tt]rying to use GNU tar.*$p" stderr` -eq $cnt
 152 done
 153
 154 :