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pg_buildext
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#!/bin/sh
#
# build a PostgreSQL module based on PGXS for given list of supported major
# versions
#
# (C) 2010 Dimitri Fontaine <[email protected]>
# (C) 2011-2022 Christoph Berg <[email protected]>
#
# 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 of the License, 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.
set -eu
die() {
echo "$(basename $0): error: $*" >&2
exit 1
}
VENVARGS=""
MAKEVARS=""
while getopts "c:i:m:o:s" opt ; do
case $opt in
c|i|o) VENVARGS="$VENVARGS -$opt $OPTARG" ;;
m) MAKEVARS="$OPTARG" ;;
s) VENVARGS="$VENVARGS -$opt" ;;
*) exit 1 ;;
esac
done
# shift away args
shift $(($OPTIND - 1))
# positional arguments: action [srcdir] [target [opt]]
[ "${1:-}" ] || die "no action given"
action="$1"
if [ -d "${2:-}" ] && [ "${3:-}" ]; then # optional: $2 is source directory
srcdir="${2:-}"
[ "$srcdir" = "." ] && srcdir="$PWD"
shift
else
srcdir="$PWD"
fi
target="${2:-}"
opt="${3:-}"
prepare_env() {
local version=$1
vtarget=`echo $target | sed -e "s:%v:$version:g"`
pgc="/usr/local/bin/pg_config"
[ -e "$pgc" ] || die "$pgc does not exist"
if [ "${CFLAGS:-}" ]; then
export COPT="$CFLAGS"
fi
}
configure() {
prepare_env $1
confopts=`echo $opt | sed -e "s:%v:$1:g"`
mkdir -p $vtarget
( echo "calling configure in $vtarget" &&
cd $vtarget && $srcdir/configure $confopts PG_CONFIG="$pgc" VPATH="$srcdir" ) || return $?
}
build() {
prepare_env $1
if [ "$opt" ]; then
cflags="$(echo $opt | sed -e "s:%v:$1:g")"
export COPT="${COPT:+$COPT }$cflags"
fi
mkdir -p $vtarget
# if a Makefile was created by configure, use it, else the top level Makefile
[ -f $vtarget/Makefile ] || makefile="-f $srcdir/Makefile"
make -C $vtarget ${makefile:-} PG_CONFIG="$pgc" VPATH="$srcdir" USE_PGXS=1 $MAKEVARS || return $?
}
substvars() {
version="$1"
package="$2"
depends="postgresql-$version"
if [ -d "debian/$package/usr/lib/postgresql/$version/lib/bitcode" ]; then
pg_provides=$(dpkg-query --show --showformat='${Provides}' postgresql-$version | grep -o 'postgresql-[0-9]*-jit-llvm (= [0-9.]*')
llvm_version=${pg_provides#*= }
if [ "$llvm_version" ]; then # skip if server version doesn't have the Provides yet
depends="$depends, postgresql-$version-jit-llvm (>= $llvm_version)"
fi
fi
echo "postgresql:Depends=$depends" >> "debian/$package.substvars"
if ! grep -q postgresql:Depends debian/control; then # compat: add to misc:Depends
if grep -q ^misc:Depends "debian/$package.substvars"; then
sed -i -e "s/^misc:Depends=/misc:Depends=$depends, /" "debian/$package.substvars"
else
echo "misc:Depends=$depends" >> "debian/$package.substvars"
fi
fi
}
install() {
prepare_env $1
package=`echo $opt | sed -e "s:%v:$1:g"`
mkdir -p $vtarget
# if a Makefile was created by configure, use it, else the top level Makefile
[ -f $vtarget/Makefile ] || makefile="-f $srcdir/Makefile"
make -C $vtarget ${makefile:-} install DESTDIR="$PWD/debian/$package" PG_CONFIG="$pgc" VPATH="$srcdir" USE_PGXS=1 $MAKEVARS || return $?
substvars "$1" "$package"
}
clean() {
prepare_env $1
if [ "$vtarget" ]; then
rm -rf $vtarget
fi
}
loop() {
prepare_env $1
package=$(echo $target | sed -e "s:%v:$1:g")
echo "# $1: make"
make -C "$srcdir" PG_CONFIG="$pgc" USE_PGXS=1 $MAKEVARS || return $?
echo "# $1: make install"
make -C "$srcdir" install DESTDIR="$PWD/debian/$package" PG_CONFIG="$pgc" USE_PGXS=1 $MAKEVARS || return $?
substvars "$1" "$package"
echo "# $1: make clean"
make -C "$srcdir" clean PG_CONFIG="$pgc" USE_PGXS=1 $MAKEVARS # clean errors are fatal
}
installcheck() {
prepare_env $1
# ask pg_regress to output unified diffs
export PG_REGRESS_DIFF_OPTS="-U3"
# ask pg_virtualenv to create a non-system cluster
if [ "${NONROOT-unset}" = "unset" ]; then
export NONROOT=1
fi
# if a package pattern is given, tell pg_virtualenv where the installed files are
if [ "$opt" ]; then
pkg=$(echo "$opt" | sed -e "s:%v:$1:g")
PKGARGS="-p $pkg"
DESTDIR="DESTDIR=$PWD/debian/$pkg"
fi
if [ "$target" ] && [ "$target" != "." ]; then # if target is given, use it, else stay in the top source dir
# if a Makefile was created by configure, use it, else the top level Makefile
[ -f $vtarget/Makefile ] || makefile="-f $srcdir/Makefile"
if ! pg_virtualenv ${PKGARGS:-} $VENVARGS -v $1 \
make -C $vtarget ${makefile:-} installcheck ${DESTDIR:-} \
PG_CONFIG="$pgc" VPATH="$srcdir" USE_PGXS=1 $MAKEVARS; then
if [ -r $vtarget/regression.diffs ]; then
echo "**** $vtarget/regression.diffs ****"
cat $vtarget/regression.diffs
fi
return 1
fi
else
if ! pg_virtualenv ${PKGARGS:-} $VENVARGS -v $1 \
make installcheck ${DESTDIR:-} PG_CONFIG="$pgc" USE_PGXS=1 $MAKEVARS; then
if [ -r regression.diffs ]; then
echo "**** regression.diffs ****"
cat regression.diffs
fi
return 1
fi
# since we are in the top-level directory, clean up behind us
make clean PG_CONFIG="$pgc" USE_PGXS=1 $MAKEVARS
fi
}
run_psql () {
prepare_env $1
# ask pg_virtualenv to create a non-system cluster
if [ "${NONROOT-unset}" = "unset" ]; then
export NONROOT=1
fi
# if a package pattern is given, tell pg_virtualenv where the installed files are
if [ "$opt" ]; then
pkg=$(echo "$opt" | sed -e "s:%v:$1:g")
PKGARGS="-p $pkg"
export DESTDIR="$PWD/debian/$pkg"
fi
(
if [ "$target" ] && [ "$target" != "." ]; then # if target is given, use it, else stay in the top source dir
cd $target
fi
pg_virtualenv ${PKGARGS:-} $VENVARGS -v $1 \
psql -Xe -v ON_ERROR_STOP=1 < $PSQLTMP
) || return $?
}
run_virtualenv () {
prepare_env $1
# ask pg_virtualenv to create a non-system cluster
if [ "${NONROOT-unset}" = "unset" ]; then
export NONROOT=1
fi
# if a package pattern is given, tell pg_virtualenv where the installed files are
if [ "$opt" ]; then
pkg=$(echo "$opt" | sed -e "s:%v:$1:g")
PKGARGS="-p $pkg"
export DESTDIR="$PWD/debian/$pkg"
fi
(
if [ "$target" ] && [ "$target" != "." ]; then # if target is given, use it, else stay in the top source dir
cd $target
fi
pg_virtualenv ${PKGARGS:-} $VENVARGS -v $1 ${SHELL:-/bin/sh} -ex < $PSQLTMP
) || return $?
}
versions() {
[ -e /usr/share/postgresql-common/supported-versions ] ||
die "/usr/share/postgresql-common/supported-versions not found"
[ -e debian/pgversions ] || die "debian/pgversions not found"
supported_versions=$(/usr/share/postgresql-common/supported-versions)
local version
while read version; do
case $version in
all) echo "$supported_versions" ;;
[1-9]*+)
for sup_version in $supported_versions; do
if dpkg --compare-versions "${version%+}" le "$sup_version"; then echo "$sup_version"; fi
done ;;
[1-9]*)
for sup_version in $supported_versions; do
if [ "$version" = "$sup_version" ]; then echo "$sup_version"; fi
done ;;
'#'*) ;;
'') ;;
*) echo "Syntax error in debian/pgversions: $version" >&2 ;;
esac
done < debian/pgversions
}
# list of PostgreSQL versions for which packages built from this source are installed
# (not necessarily the same as listed in debian/control)
installed_versions() {
[ -e debian/control.in ] || die "debian/control.in not found"
# extract package name template(s) from control.in, split into prefix and suffix
perl -lne 'print "$1 $2" if /^Package: (.*)PGVERSION(.*)/' debian/control.in | \
while read prefix suffix; do
# translate templates to actually installed packages, and extract version numbers
dpkg-query --showformat '${db:Status-Status} ${Package}\n' --show "$prefix*$suffix" | \
grep '^installed' | cut -d ' ' -f 2 | sed -e "s/^$prefix//; s/$suffix\$//" | egrep '^[0-9.]+$'
# if suffix is empty, the egrep will filter out noise like '13-dbgsym'
done | sort -uV
}
gencontrol() {
tmpcontrol=$(mktemp debian/control.XXXXXX)
if [ -f debian/tests/control.in ]; then
tmptestscontrol=$(mktemp debian/tests/control.XXXXXX)
fi
trap "rm -f $tmpcontrol ${tmptestscontrol:-}" EXIT
export PGVERSIONS="$(versions)"
[ "$PGVERSIONS" ] || die "No current PostgreSQL versions are supported by this package"
perl -e \
'$/ = ""; # read paragraphs
while (<>) {
chomp;
if (/PGVERSION/) {
foreach my $version (split /\n/, $ENV{PGVERSIONS}) {
push @out, s/PGVERSION/$version/rg;
}
} else {
push @out, $_;
}
}
print join("\n\n", @out), "\n";
' debian/control.in > $tmpcontrol
if [ -f debian/tests/control.in ]; then
cp debian/tests/control.in $tmptestscontrol
# find words (package names) containing PGVERSION
REGEXP='[[:alnum:]-]*PGVERSION[[:alnum:]-]*'
for pkgpattern in $(egrep -wo "$REGEXP" debian/tests/control.in | sort -u); do
repl=""
# build an array of replacements separated by ,
for v in $(versions); do
repl="${repl:+$repl, }$(echo $pkgpattern | sed -e "s/PGVERSION/$v/g")"
done
# put array into control file
grep -q "$pkgpattern" $tmptestscontrol # assert the pattern didn't get already removed by an earlier replacement
sed -i -e "s/$pkgpattern/$repl/" $tmptestscontrol
done
fi
}
updatecontrol() {
cat $tmpcontrol > debian/control
if [ -f debian/tests/control.in ]; then
cat $tmptestscontrol > debian/tests/control
fi
}
# when a version is included in the action, just act on this one (this is
# useful if some extra work needs to be done per version, so the loop over
# supported-versions needs to be in the script calling pg_buildext)
case $action in
configure-*|build-*|install-*|clean-*|installcheck-*)
a=${action%%-*}
v=${action##$a-}
ret=0
echo "### PostgreSQL $v $a ###"
if $a $v; then
echo "### End $v $a ###"
else
ret=$?
echo "### End $v $a (FAILED with exit code $ret) ###"
fi
exit $ret
;;
checkcontrol)
[ -f debian/control.in ] || exit 0 # silently exit if debian/control.in is not there
gencontrol
need_update=
if ! diff -u debian/control $tmpcontrol; then
if [ "${PG_UPDATECONTROL:-no}" != "no" ] || head -1 debian/changelog | egrep -q -- '-backports|-pgdg|-pgapt'; then
echo "Notice: Updating debian/control from debian/control.in."
need_update=1
else
echo "Error: debian/control needs updating from debian/control.in. Run 'pg_buildext updatecontrol'."
echo "If you are seeing this message in a buildd log, a sourceful upload is required."
exit 1
fi
fi
if [ -f debian/tests/control.in ] && ! diff -u debian/tests/control $tmptestscontrol; then
echo "Notice: Updating debian/tests/control from debian/tests/control.in."
need_update=1
fi
[ "$need_update" ] && updatecontrol
exit 0
;;
updatecontrol)
[ -f debian/control.in ] || die "debian/control.in is missing, cannot update debian/control"
gencontrol
updatecontrol
exit
;;
clean)
if [ "$target" ]; then
pattern=$(echo "$target" | sed -e "s:%v:*:g")
echo rm -rf $pattern/
rm -rf $pattern/
fi
if [ "$opt" ]; then
pattern=$(echo "$opt" | sed -e "s:%v:*:g")
echo rm -rf debian/$pattern/ debian/$pattern.substvars
rm -rf debian/$pattern/ debian/$pattern.substvars
fi
if [ -f Makefile ]; then
make clean USE_PGXS=1
fi
exit
;;
installed-versions)
installed_versions
exit
;;
installcheck)
# prefer testing installed versions over supported versions as the set
# of versions might have changed (unless a package-pattern is provided)
if [ -f debian/control.in ] && [ -z "$opt" ]; then
versions=$(installed_versions)
else
versions=$(versions)
fi
[ "$versions" ] || exit 1
ret=0
for v in $versions; do
echo "### PostgreSQL $v $action ###"
if $action $v; then
echo "### End $v $action ###"
else
ret=$?
echo "### End $v $action (FAILED with exit code $ret) ###"
fi
done
exit $ret
;;
psql|virtualenv)
PSQLTMP=$(mktemp --tmpdir psql.XXXXXX)
trap "rm -f $PSQLTMP" EXIT
# if we are fed any input (and hence aren't reading from a terminal),
# store it in a tempfile
[ ! -t 0 ] && cat > $PSQLTMP
# prefer testing installed versions over supported versions as the set
# of versions might have changed (unless a package-pattern is provided)
if [ -f debian/control.in ] && [ -z "$opt" ]; then
versions=$(installed_versions)
else
versions=$(versions)
fi
[ "$versions" ] || exit 1
ret=0
for v in $versions; do
echo "### PostgreSQL $v $action ###"
if run_$action $v; then
echo "### End $v $action ###"
else
ret=$?
echo "### End $v $action (FAILED with exit code $ret) ###"
fi
done
exit $ret
;;
esac
# loop over versions
ret=0
for v in $(versions)
do
case "$action" in
"supported-versions")
echo $v
;;
configure|build|install|clean|loop)
[ "$target" ] || die "syntax: pg_buildext $action <target> [<srcdir>] [<opt>]"
echo "### PostgreSQL $v $action ###"
if $action $v; then
echo "### End $v $action ###"
else
ret=$?
echo "### End $v $action (FAILED with exit code $ret) ###"
fi
;;
*)
die "unsupported action '$action'"
;;
esac
done
exit $ret