t/tar-override.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2017 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 <https://www.gnu.org/licenses/>.
  16
  17 # Check that the user can override the tar program used by "make dist"
  18 # at runtime, by redefining the 'TAR' environment variable.
  19 # NOTE: currently this works only when the tar format used is 'v7'
  20 #       (which is the default one).
  21
  22 . test-init.sh
  23
  24 cwd=$(pwd) || fatal_ "getting current working directory"
  25
  26 echo AC_OUTPUT >> configure.ac
  27
  28 cat > am--tar <<'END'
  29 #!/bin/sh
  30 echo $1 > am--tar-has-run
  31 shift
  32 exec tar "$@"
  33 END
  34 chmod a+x am--tar
  35
  36 cat > Makefile.am <<'END'
  37 check-local: dist
  38         ls -l ;: For debugging.
  39         test -f am--tar-has-run
  40 CLEANFILES = am--tar-has-run
  41 END
  42
  43 $ACLOCAL
  44 $AUTOCONF
  45 $AUTOMAKE
  46 ./configure
  47
  48 clean_temp () { rm -f *.tar.* *has-run*; }
  49
  50 $MAKE dist
  51 test -f $distdir.tar.gz
  52 ls | grep has-run && exit 1
  53
  54 clean_temp
  55
  56 TAR="$cwd/am--tar foo" $MAKE distcheck
  57 test -f $distdir.tar.gz
  58 test "$(cat am--tar-has-run)" = foo
  59
  60 clean_temp
  61
  62 unset TAR
  63 # Creative use of eval to pacify maintainer checks.
  64 eval \$'MAKE dist "TAR=./am--tar mu"'
  65 test -f $distdir.tar.gz
  66 test "$(cat am--tar-has-run)" = mu
  67
  68 :