kc3-lang/automake/tests/tar-override.test

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• Hash : 01c3294b
  Author :
  Date : 2012-01-03T16:12:46
  

  dist: do not wrap calls to 'tar' with the 'missing' script
  
  The `missing' script is meant to allow non-developers to build a
  package in the face of slightly-skewed timestamps (as might happen
  e.g. when the package is obtained from a VCS checkout rather than
  from a distribution tarball).  It is *not* the business of the
  `missing' script to try to provide wrappers for all the maintainer
  tools (in this case, to tool being a decent tar program).  Such
  wrapping of `tar' was not only inappropriate, but it was also
  preventing the legitimate overriding (at make runtime) of the
  `tar' program used in the creation of the distribution tarballs.
  
  See also automake bug#9822.
  
  * lib/missing: Don't try to specially wrap `tar' invocations
  anymore.
  * m4/tar.m4 (_AM_PROG_TAR): In the definitions of the `AMTAR'
  variable, do not wrap the `tar' invocation with the `missing'
  script anymore.  Instead, allow the user to override the intended
  tar program at make runtime, by defining the `TAR' environment
  variable.
  [$1 == v7]: Similarly for the definitions of the `am__tar' and
  `am__untar' variables.  Since we are at it, don't make them depend
  anymore on the definition of the obsolescent `AMTAR' variable.
  * NEWS: Update.
  * tests/missing-tar.test: Remove, it's obsolete.
  * tests/tar-override.test: New test.
  * tests/Makefile.am (TESTS): Update.
  
  Reported by Akim Demaille.
  

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• tests/tar-override.test

• #! /bin/sh
  # Copyright (C) 2011 Free Software Foundation, Inc.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2, or (at your option)
  # any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  # Check that the user can override the tar program used by "make dist"
  # at runtime, by redefining the `TAR' environment variable.
  # FIXME: currently this works only when the tar format used is `v7'
  # FIXME: (which is the default one).
  
  . ./defs || Exit 1
  
  set -e
  
  cwd=`pwd` || fatal_ "couldn't get current working directory"
  
  echo AC_OUTPUT >> configure.in
  
  cat > am--tar <<'END'
  #!/bin/sh
  echo $1 > am--tar-has-run
  shift
  exec tar "$@"
  END
  chmod a+x am--tar
  
  cat > Makefile.am <<'END'
  check-local: dist
  	test -f am--tar-has-run
  CLEANFILES = am--tar-has-run
  END
  
  $ACLOCAL
  $AUTOCONF
  $AUTOMAKE
  ./configure
  
  $MAKE dist
  test -f $me-1.0.tar.gz
  ls | grep has-run && Exit 1
  
  rm -f *.tar.* *has-run*
  
  TAR="$cwd/am--tar foo" $MAKE distcheck
  test -f $me-1.0.tar.gz
  test "`cat am--tar-has-run`" = foo
  
  rm -f *.tar.* *has-run*
  
  TAR=; unset TAR
  # Creative use of eval to pacify maintainer checks.
  eval \$'MAKE dist "TAR=./am--tar mu"'
  test -f $me-1.0.tar.gz
  test "`cat am--tar-has-run`" = mu
  
  :
  

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