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#! /bin/sh
# Copyright (C) 2012 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 support for different compression formats used by distribution
# archives.
. ./defs || exit 1
plan_ 18
# -------------------------------------- #
# Auxiliary subroutines and variables. #
# -------------------------------------- #
TAR='' && unset TAR
# Set variables '$compressor' and '$suffix'.
setup_vars_for_compression_format ()
{
suffix=NONE
case $1 in
gzip) suffix=tar.gz ;;
lzip) suffix=tar.lz ;;
xz) suffix=tar.xz ;;
bzip2) suffix=tar.bz2 ;;
zip) suffix=zip ;;
*) fatal_ "invalid compression format '$1'";;
esac
compressor=$1
}
check_tarball ()
{
format=$1
(
setup_vars_for_compression_format $format \
&& tarball=$distdir.$suffix \
&& test -f $tarball \
&& mkdir check-$format \
&& cp $tarball check-$format \
&& cd check-$format \
&& $compressor -d $tarball \
&& tar xvf $distdir.tar \
&& diff ../Makefile.in $distdir/Makefile.in \
&& diff ../aclocal.m4 $distdir/aclocal.m4 \
&& diff ../configure $distdir/configure \
&& cd .. \
&& rm -rf check-$format
)
}
have_compressor ()
{
test $# -eq 1 || fatal_ "have_compressor(): bad usage"
case $1 in
# Assume gzip(1) is available on every reasonable portability target.
gzip)
return 0;;
*)
case $1 in
# Do not use --version, or older versions bzip2 would try to
# compress stdin. This would cause binary output in the test
# logs, with potential breakage of our testsuite harness.
bzip2) o=--help;;
# OpenSolaris zip do not support the '--version' option, but
# accepts the '-v' one with a similar meaning (if no further
# arguments are given).
zip) o=-v;;
# Assume the other compressors we care about support the
# '--version' option.
*) o=--version;;
esac
# Redirect to stderr to avoid polluting the output, in case this
# function is used in a command substitution (as it is, below).
if $1 $o </dev/null >&2; then
return 0
else
return 1
fi
;;
esac
fatal_ "have_compressor(): dead code reached"
}
all_compression_formats='gzip lzip xz bzip2 zip'
all_compressors=$(
for x in $all_compression_formats; do
setup_vars_for_compression_format $x
echo $compressor
done | tr "$nl" ' ')
echo All compressors: $all_compressors
missing_compressors=$(
for c in $all_compressors; do
have_compressor $c || echo $c
done | tr "$nl" ' ')
echo Missing compressors: $missing_compressors
# Redefine to avoid re-running the already executed checks.
have_compressor ()
{
case " $missing_compressors " in *\ $1\ *) false;; *) : ;; esac
}
have_all_compressors ()
{
test -z "$missing_compressors"
}
clean_dist ()
{
rm -rf *$distdir*
}
# ------------------------- #
# Setup and basic checks. #
# ------------------------- #
echo AC_OUTPUT >> configure.ac
: > Makefile.am
$ACLOCAL && $AUTOCONF && $AUTOMAKE -a || fatal_ "autotools failed"
./configure || fatal_ "./configure failed"
command_ok_ "make distcheck" $MAKE distcheck
command_ok_ "only gzip archive is built by default" \
test "$(ls *$distdir*)" = $distdir.tar.gz
# ------------------------------------- #
# Test all known formats, separately. #
# ------------------------------------- #
for format in $all_compression_formats; do
setup_vars_for_compression_format "$format"
desc="$format distribution format"
command_ok_ "$desc [seems accepted]" \
$MAKE -n dist AM_DIST_FORMATS="$format"
if have_compressor "$compressor"; then
command_ok_ "$desc $format distribution format [works]" \
eval '$MAKE dist AM_DIST_FORMATS="$format" \
&& ls -l *$distdir* \
&& test -f $distdir.$suffix \
&& test "$(echo *$distdir*)" = $distdir.$suffix'
else
skip_ -r "'$compressor' not available" "$1"
fi
clean_dist
unset desc suffix compressor format
done
# ----------------------- #
# Parallel compression. #
# ----------------------- #
# We only use formats requiring 'gzip', 'bzip2' and 'xz' programs,
# since there are the most likely to be all found on the great
# majority of systems.
desc='parallel compression'
skip_reason=
have_compressor xz || skip_reason="'xz' not available"
have_compressor bzip2 || skip_reason="'bzip2' not available"
if test -n "$skip_reason"; then
skip_row_ 6 -r "$skip_reason" "$desc"
else
command_ok_ "$desc [make -j8 distcheck]" \
$MAKE -j8 distcheck AM_DIST_FORMATS='gzip bzip2 xz'
ls -l # For debugging.
command_ok_ "$desc [check .tar.gz tarball]" check_tarball gzip
command_ok_ "$desc [check .tar.bz2 tarball]" check_tarball bzip2
command_ok_ "$desc [check .tar.xz tarball]" check_tarball xz
fi
clean_dist
unset desc skip_reason
# ------------------------------- #
# Invalid distribution formats. #
# ------------------------------- #
command_ok_ "invalid distribution formats [exit status]" eval '
! $MAKE dist AM_DIST_FORMATS="foobar tarZ shar" 2>stderr'
cat stderr >&2 # For debugging.
command_ok_ "invalid distribution formats [error report]" eval '
sed -e "s/^/ /" -e "s/$/ /" stderr >stderr2 \
&& grep "[iI]nvalid distribution format.* foobar " stderr2 \
&& grep "[iI]nvalid distribution format.* tarZ " stderr2 \
&& grep "[iI]nvalid distribution format.* shar " stderr2'
:
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