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#!/usr/bin/env bash
# Copyright 2017 Viktor Szakats <https://vszakats.net/>
# This file is part of MXE. See LICENSE.md for licensing information.
set -ue
usage() {
echo "Download and unpack a list of MXE binary packages along with their
dependencies, securely.
Usage: $(basename "$0") [package ...]
Environment:
MXE_HOME Configure directory where packages will be installed.
Default: ~/mxe
MXE_SKIP_INSTALL Comma/space separated list of package names to skip
installing. Useful to exclude unnecessary dependencies.
*-linux-gnu-*, mxe-requirements, mxe-source packages
are excluded automatically.
MXE_INST_LINUX Install 'linux-gnu' packages. Default: no
Required: ar (BSD), gpg, curl, openssl, awk, sed, tar, gzip
Author: Viktor Szakats <https://vszakats.net/>"
}
mxe_curl() {
curl -fsS --connect-timeout 15 --retry 3 "$@"
}
mxe_get_pkg() {
if [[ "$1" =~ ^(mxe-(i686|x86\-64)-(w64|unknown)-(mingw32|linux-gnu)(\.shared|\.static)?)-(.*)$ ]]; then
repo="${BASH_REMATCH[1]}" # mxe-x86-64-w64-mingw32.shared
plat="${BASH_REMATCH[4]}" # mingw32 | linux-gnu
name="${BASH_REMATCH[6]}" # harfbuzz
# skip Linux packages by default
if [ ! "${plat}" = 'linux-gnu' ] || [ "${MXE_INST_LINUX}" = 'yes' ]; then
# skip packages on the skip install list
if [[ ! "${name}" =~ ^("${MXE_SKIP_INSTALL//[, ]/|}")$ ]]; then
idid="${repo}-${name}" # package id for internal purposes
if [[ ! "${done}" = *"|${idid}|"* ]]; then # avoid installing the same package twice
done="${done} |${idid}|" # add to list of install packages
ctrl="$(awk "/^Package: ${repo}-${name}$/,/^SHA256: /" Packages)" # control section for this package
debp="$(echo "${ctrl}" | sed -n -E 's,^Filename: (.+)$,\1,p')" # .deb path
vers="$(echo "${ctrl}" | sed -n -E 's,^Version: (.+)$,\1,p')" # package version
hash="$(echo "${ctrl}" | sed -n -E 's,^SHA256: ([0-9a-fA-F]{64})$,\1,p')" # .deb hash
deps="$(echo "${ctrl}" | sed -n -E 's,^Depends: (.+)$,\1,p')" # .deb dependencies
echo "! Version: ${vers}"
url="${base}/${debp}"
echo "! Downloading... '${url}'"
if mxe_curl "${url}" -o pack.bin; then
hash_fl="$(openssl dgst -sha256 pack.bin \
| sed -n -E 's,.+= ([0-9a-fA-F]{64}),\1,p')"
if [ "${hash_fl}" = "${hash}" ]; then
if ar -x pack.bin data.tar.xz && \
tar --strip-components 4 -xf data.tar.xz; then
subd="$(echo "$(pwd)/usr/${repo}" \
| sed -e 's|^mxe-||' -e 's|x86-64|x86_64|' -e "s|${HOME}|~|")"
echo "! Verified OK. Unpacked into: '${subd}'" # ~/mxe/usr/mxe-x86_64-w64-mingw32.shared
else
echo "! Error: Unpacking: '${url}'"
fi
rm -f data.tar.xz
else
echo "! Error: Verifying package checksum: '${url}'"
echo "! Expected: ${hash}"
echo "! Actual: ${hash_fl}"
fi
rm -f pack.bin
for i in ${deps//,/}; do
mxe_get_pkg "$i" # recurse
done
else
echo "! Error: Download failed."
fi
fi
fi
fi
elif [ ! "$1" = 'mxe-requirements' ] && \
[ ! "$1" = 'mxe-source' ]; then
echo "! Error: Cannot parse package name: '$1'"
fi
}
if [ $# -eq 0 ]; then
usage
exit
fi
[ -z "${MXE_SKIP_INSTALL+x}" ] && MXE_SKIP_INSTALL='gcc'
[ -z "${MXE_INST_LINUX+x}" ] && MXE_INST_LINUX='no'
[ -z "${MXE_HOME+x}" ] && MXE_HOME="${HOME}/mxe"
mkdir -p "${MXE_HOME}"
(
cd "${MXE_HOME}" || exit
base='http://pkg.mxe.cc/repos/apt/debian' # APT root
suid='D43A795B73B16ABE9643FE1AFD8FFF16DB45C6AB' # Signer UID
alias gpg='gpg --batch --keyserver-options timeout=15 --keyid-format LONG'
echo "! Downloading and verifying MXE package list..."
mxe_curl \
-O "${base}/dists/wheezy/Release.gpg" \
-O "${base}/dists/wheezy/Release"
mxe_curl \
"https://keyserver.ubuntu.com/pks/lookup?search=0x${suid}&op=get" \
| gpg --import --status-fd 1
gpg --verify-options show-primary-uid-only --verify Release.gpg Release || exit 1
mxe_curl \
-O "${base}/dists/wheezy/main/binary-amd64/Packages.gz"
openssl dgst -sha256 Packages.gz \
| grep -q "$(sed -E -n 's,^ ([0-9a-fA-F]{64}) [0-9]* main/binary-amd64/Packages.gz$,\1,p' Release)" || exit 1
gzip -f -d Packages.gz
echo "! Downloading and verifying MXE package(s)..."
done=''
while [ $# -gt 0 ]; do
echo "! Installing MXE package '$1'"
mxe_get_pkg "$1"
shift
done
echo "! Installed:${done//|/}"
if [ -n "${done}" ]; then
ori='/usr/lib/mxe'
pwd="$(pwd)"
echo '! Retargeting symlinks...'
find . -type l -name '*' | while IFS= read -r f; do
# FIXME: readlink may need to be adapted for non-macOS systems
ln -f -s "$(readlink "${f}" | sed "s|${ori}|${pwd}|")" "${f}"
done
echo '! Rewriting hardcoded absolute paths...'
find . -type f \
-name '*.la' -o \
-name '*.pc' -o \
-name '*.cmake' -o \
-name '*-config' | while IFS= read -r f; do
sed "s|${ori}|${pwd}|" \
< "${f}" > "${f}-mod" && cp "${f}-mod" "${f}" && rm -f "${f}-mod"
done
fi
echo '! Done.'
)
|
