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#!/bin/bash
#
# Converts an existing architecture-independent package
# for i686 or x86_64 into a package with "arch = any"
#
# -- Abhishek Dasgupta <abhidg@gmail.com>
[ "$UID" = "" ] && UID=$(uid)
OUTDIR="$(pwd)"
WORKDIR="/tmp/convert-to-any.$UID"
if [ $# -ne 1 ]; then
echo "Syntax: $(basename $0) <package-file>"
exit 1
fi
. "$(dirname $0)/db-functions"
cleanup() {
trap '' 0 2
rm -rf "$WORKDIR"
[ "$1" ] && exit $1
}
ctrl_c() {
echo "Interrupted" >&2
cleanup 0
}
die() {
echo "$*" >&2
cleanup 1
}
mkdir -p "$WORKDIR/build"
oldpkgname="$1"
if [ -z "$oldpkgname" ]; then
die "convert-to-any: which package to convert?"
fi
pkg="$(basename $oldpkgname)"
newpkgname=$(echo $pkg | sed "s/-\(i686\|x86_64\)$PKGEXT/-any$PKGEXT/")
if ! cp "$oldpkgname" "$WORKDIR/build/$pkg"; then
die "convert-to-any: failed to copy package to $WORKDIR"
fi
pushd "$WORKDIR/build" >/dev/null
# Conversion of i686 package into "any" package.
mkdir -p package
if ! fakeroot bsdtar xf "$pkg" -C package; then
die "convert-to-any: error in extracting $oldpkgname"
fi
sed -i "s/arch = \(i686\|x86_64\)/arch = any/g" package/.PKGINFO
pushd package >/dev/null
case "$newpkgname" in
*tar.gz) TAR_OPT="z" ;;
*tar.bz2) TAR_OPT="j" ;;
*tar.xz) TAR_OPT="J" ;;
*) die "$newpkgname does not have a valid archive extension." ;;
esac
fakeroot bsdtar c${TAR_OPT}f "$OUTDIR/$newpkgname" .PKGINFO *
popd >/dev/null
popd >/dev/null
cleanup
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