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build/general.sh
zador-blood-stained ccc16e1c41 Fix toolchain verification (again)
2016-09-08 15:06:30 +03:00

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#!/bin/bash
#
# Copyright (c) 2015 Igor Pecovnik, igor.pecovnik@gma**.com
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.
#
# This file is a part of tool chain https://github.com/igorpecovnik/lib
#
# Functions:
# cleaning
# exit_with_error
# get_package_list_hash
# create_sources_list
# fetch_from_repo
# display_alert
# grab_version
# fingerprint_image
# addtorepo
# prepare_host
# download_toolchain
# cleaning <target>
#
# target: what to clean
# "make" - "make clean" for selected kernel and u-boot
# "debs" - delete output/debs
# "cache" - delete output/cache
# "images" - delete output/images
# "sources" - delete output/sources
#
cleaning()
{
case $1 in
make) # clean u-boot and kernel sources
[[ -d $SOURCES/$BOOTSOURCEDIR ]] && display_alert "Cleaning" "$BOOTSOURCEDIR" "info" && cd $SOURCES/$BOOTSOURCEDIR && eval ${UBOOT_TOOLCHAIN:+env PATH=$UBOOT_TOOLCHAIN:$PATH} 'make clean CROSS_COMPILE="$CCACHE $UBOOT_COMPILER" >/dev/null 2>/dev/null'
[[ -d $SOURCES/$LINUXSOURCEDIR ]] && display_alert "Cleaning" "$LINUXSOURCEDIR" "info" && cd $SOURCES/$LINUXSOURCEDIR && eval ${UBOOT_TOOLCHAIN:+env PATH=$UBOOT_TOOLCHAIN:$PATH} 'make clean CROSS_COMPILE="$CCACHE $UBOOT_COMPILER" >/dev/null 2>/dev/null'
;;
debs) # delete output/debs for current branch and family
if [[ -d $DEST/debs ]]; then
display_alert "Cleaning output/debs for" "$BOARD $BRANCH" "info"
# easier than dealing with variable expansion and escaping dashes in file names
find $DEST/debs -name '*.deb' | grep -E "${CHOSEN_KERNEL/image/.*}|$CHOSEN_UBOOT" | xargs rm -f
[[ -n $RELEASE ]] && rm -f $DEST/debs/$RELEASE/${CHOSEN_ROOTFS}_*_${ARCH}.deb
fi
;;
extras) # delete output/debs/extra/$RELEASE for all architectures
if [[ -n $RELEASE && -d $DEST/debs/extra/$RELEASE ]]; then
display_alert "Cleaning output/debs/extra for" "$RELEASE" "info"
rm -rf $DEST/debs/extra/$RELEASE
fi
;;
alldebs) # delete output/debs
[[ -d $DEST/debs ]] && display_alert "Cleaning" "output/debs" "info" && rm -rf $DEST/debs/*
;;
cache) # delete output/cache
[[ -d $CACHEDIR ]] && display_alert "Cleaning" "output/cache" "info" && find $CACHEDIR/ -type f -delete
;;
images) # delete output/images
[[ -d $DEST/images ]] && display_alert "Cleaning" "output/images" "info" && rm -rf $DEST/images/*
;;
sources) # delete output/sources and output/buildpkg
[[ -d $SOURCES ]] && display_alert "Cleaning" "sources" "info" && rm -rf $SOURCES/* $DEST/buildpkg/*
;;
esac
}
# exit_with_error <message> <highlight>
#
# a way to terminate build process
# with verbose error message
#
exit_with_error()
{
local _file=$(basename ${BASH_SOURCE[1]})
local _line=${BASH_LINENO[0]}
local _function=${FUNCNAME[1]}
local _description=$1
local _highlight=$2
display_alert "ERROR in function $_function" "$_file:$_line" "err"
display_alert "$_description" "$_highlight" "err"
display_alert "Process terminated" "" "info"
# TODO: execute run_after_build here?
exit -1
}
# get_package_list_hash <package_list>
#
# outputs md5hash for space-separated <package_list>
# for rootfs cache
get_package_list_hash()
{
echo $(printf '%s\n' $PACKAGE_LIST | sort -u | md5sum | cut -d' ' -f 1)
}
# create_sources_list <release> <basedir>
#
# <release>: wheezy|jessie|trusty|xenial
# <basedir>: path to root directory
#
create_sources_list()
{
local release=$1
local basedir=$2
[[ -z $basedir ]] && exit_with_error "No basedir passed to create_sources_list"
case $release in
wheezy|jessie)
cat <<-EOF > $basedir/etc/apt/sources.list
deb http://${DEBIAN_MIRROR} $release main contrib non-free
#deb-src http://${DEBIAN_MIRROR} $release main contrib non-free
deb http://${DEBIAN_MIRROR} ${release}-updates main contrib non-free
#deb-src http://${DEBIAN_MIRROR} ${release}-updates main contrib non-free
deb http://${DEBIAN_MIRROR} ${release}-backports main contrib non-free
#deb-src http://${DEBIAN_MIRROR} ${release}-backports main contrib non-free
deb http://security.debian.org/ ${release}/updates main contrib non-free
#deb-src http://security.debian.org/ ${release}/updates main contrib non-free
EOF
cat <<-EOF > $basedir/etc/apt/preferences.d/90-backports.pref
Package: *
Pin: release n=${release}-backports
Pin-Priority: 100
EOF
;;
trusty|xenial)
cat <<-EOF > $basedir/etc/apt/sources.list
deb http://${UBUNTU_MIRROR} $release main restricted universe multiverse
#deb-src http://${UBUNTU_MIRROR} $release main restricted universe multiverse
deb http://${UBUNTU_MIRROR} ${release}-security main restricted universe multiverse
#deb-src http://${UBUNTU_MIRROR} ${release}-security main restricted universe multiverse
deb http://${UBUNTU_MIRROR} ${release}-updates main restricted universe multiverse
#deb-src http://${UBUNTU_MIRROR} ${release}-updates main restricted universe multiverse
deb http://${UBUNTU_MIRROR} ${release}-backports main restricted universe multiverse
#deb-src http://${UBUNTU_MIRROR} ${release}-backports main restricted universe multiverse
EOF
cat <<-EOF > $basedir/etc/apt/preferences.d/90-backports.pref
Package: *
Pin: release a=${release}-backports
Pin-Priority: 100
EOF
;;
esac
}
# fetch_rom_repo <url> <directory> <ref> <ref_subdir>
# <url>: remote repository URL
# <directory>: local directory; subdir for branch/tag will be created
# <ref>:
# branch:name
# tag:name
# head(*)
# commit:hash@depth(**)
#
# *: Implies ref_subdir=no
# **: Not implemented yet
# <ref_subdir>: "yes" to create subdirectory for tag or branch name
#
fetch_from_repo()
{
local url=$1
local dir=$2
local ref=$3
local ref_subdir=$4
[[ -z $ref || ( $ref != tag:* && $ref != branch:* && $ref != head ) ]] && exit_with_error "Error in configuration"
local ref_type=${ref%%:*}
if [[ $ref_type == head ]]; then
local ref_name=HEAD
else
local ref_name=${ref##*:}
fi
display_alert "Checking git sources" "$dir $ref_name" "info"
# get default remote branch name without cloning
# local ref_name=$(git ls-remote --symref $url HEAD | grep -o 'refs/heads/\S*' | sed 's%refs/heads/%%')
# for git:// protocol comparing hashes of "git ls-remote -h $url" and "git ls-remote --symref $url HEAD" is needed
if [[ $ref_subdir == yes ]]; then
local workdir=$dir/$ref_name
else
local workdir=$dir
fi
mkdir -p $SOURCES/$workdir
cd $SOURCES/$workdir
if [[ $(git rev-parse --is-inside-work-tree 2>/dev/null) != true || \
$(git rev-parse --show-toplevel) != $(pwd) ]]; then
display_alert "Creating local copy"
git init -q .
git remote add origin $url
fi
local changed=false
local local_hash=$(git rev-parse @ 2>/dev/null)
case $ref_type in
branch)
# TODO: grep refs/heads/$name
local remote_hash=$(git ls-remote -h $url "$ref_name" | head -1 | cut -f1)
[[ -z $local_hash || $local_hash != $remote_hash ]] && changed=true
;;
tag)
local remote_hash=$(git ls-remote -t $url "$ref_name" | cut -f1)
if [[ -z $local_hash || $local_hash != $remote_hash ]]; then
remote_hash=$(git ls-remote -t $url "$ref_name^{}" | cut -f1)
[[ -z $remote_hash || $local_hash != $remote_hash ]] && changed=true
fi
;;
head)
local remote_hash=$(git ls-remote $url HEAD | cut -f1)
[[ -z $local_hash || $local_hash != $remote_hash ]] && changed=true
;;
esac
if [[ $changed == true ]]; then
# remote was updated, fetch and check out updates
display_alert "Fetching updates"
case $ref_type in
branch) git fetch --depth 1 origin $ref_name ;;
tag) git fetch --depth 1 origin tags/$ref_name ;;
head) git fetch --depth 1 origin HEAD ;;
esac
display_alert "Checking out"
git checkout -f -q FETCH_HEAD
elif [[ -n $(git status -uno --porcelain --ignore-submodules=all) ]]; then
# working directory is not clean
if [[ $FORCE_CHECKOUT == yes ]]; then
display_alert "Checking out"
git checkout -f -q HEAD
else
display_alert "Skipping checkout"
fi
else
# working directory is clean, nothing to do
display_alert "Up to date"
fi
if [[ -f .gitmodules ]]; then
display_alert "Updating submodules" "" "ext"
# FML: http://stackoverflow.com/a/17692710
for i in $(git config -f .gitmodules --get-regexp path | awk '{ print $2 }'); do
cd $SOURCES/$workdir
local surl=$(git config -f .gitmodules --get "submodule.$i.url")
local sref=$(git config -f .gitmodules --get "submodule.$i.branch")
if [[ -n $sref ]]; then
sref="branch:$sref"
else
sref="head"
fi
fetch_from_repo "$surl" "$workdir/$i" "$sref"
done
fi
} #############################################################################
display_alert()
#--------------------------------------------------------------------------------------------------------------------------------
# Let's have unique way of displaying alerts
#--------------------------------------------------------------------------------------------------------------------------------
{
# log function parameters to install.log
[[ -n $DEST ]] && echo "Displaying message: $@" >> $DEST/debug/output.log
local tmp=""
[[ -n $2 ]] && tmp="[\e[0;33m $2 \x1B[0m]"
case $3 in
err)
echo -e "[\e[0;31m error \x1B[0m] $1 $tmp"
;;
wrn)
echo -e "[\e[0;35m warn \x1B[0m] $1 $tmp"
;;
ext)
echo -e "[\e[0;32m o.k. \x1B[0m] \e[1;32m$1\x1B[0m $tmp"
;;
info)
echo -e "[\e[0;32m o.k. \x1B[0m] $1 $tmp"
;;
*)
echo -e "[\e[0;32m .... \x1B[0m] $1 $tmp"
;;
esac
}
#---------------------------------------------------------------------------------------------------------------------------------
# grab_version <path>
#
# <path>: Extract kernel or uboot version from $path/Makefile
#---------------------------------------------------------------------------------------------------------------------------------
grab_version()
{
local ver=""
for component in VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION; do
tmp=$(cat $1/Makefile | grep $component | head -1 | awk '{print $(NF)}' | cut -d '=' -f 2)"#"
[[ $tmp != "#" ]] && ver="$ver$tmp"
done
ver=${ver//#/.}; ver=${ver%.}; ver=${ver//.-/-}
echo $ver
}
fingerprint_image()
{
#--------------------------------------------------------------------------------------------------------------------------------
# Saving build summary to the image
#--------------------------------------------------------------------------------------------------------------------------------
display_alert "Fingerprinting"
cat <<-EOF > $1
--------------------------------------------------------------------------------
Title: Armbian $REVISION ${BOARD^} $DISTRIBUTION $RELEASE $BRANCH
Kernel: Linux $VER
Build date: $(date +'%d.%m.%Y')
Author: Igor Pecovnik, www.igorpecovnik.com
Sources: http://github.com/igorpecovnik/lib
Support: http://www.armbian.com, http://forum.armbian.com/
Changelog: http://www.armbian.com/logbook/
Documantation: http://docs.armbian.com/
--------------------------------------------------------------------------------
$(cat $SRC/lib/LICENSE)
--------------------------------------------------------------------------------
EOF
}
addtorepo()
{
# add all deb files to repository
# parameter "remove" dumps all and creates new
# function: cycle trough distributions
local distributions=("wheezy" "jessie" "trusty" "xenial")
# workaround since we dont't build utils for those
mkdir -p ../output/debs/extra/{wheezy,trusty}
ln -sf ../jessie/utils ../output/debs/extra/wheezy/utils
ln -sf ../jessie/utils ../output/debs/extra/trusty/utils
for release in "${distributions[@]}"; do
# let's drop from publish if exits
if [[ -n $(aptly publish list -config=config/aptly.conf -raw | awk '{print $(NF)}' | grep $release) ]]; then
aptly publish drop -config=config/aptly.conf $release > /dev/null 2>&1
fi
#aptly db cleanup -config=config/aptly.conf
if [[ $1 == remove ]]; then
# remove repository
aptly repo drop -config=config/aptly.conf $release > /dev/null 2>&1
aptly db cleanup -config=config/aptly.conf > /dev/null 2>&1
fi
if [[ $1 == replace ]]; then
local replace=true
else
local replace=false
fi
# create local repository if not exist
if [[ -z $(aptly repo list -config=config/aptly.conf -raw | awk '{print $(NF)}' | grep $release) ]]; then
display_alert "Creating section" "$release" "info"
aptly repo create -config=config/aptly.conf -distribution=$release -component=main -comment="Armbian main repository" $release
fi
if [[ -z $(aptly repo list -config=config/aptly.conf -raw | awk '{print $(NF)}' | grep "^utils") ]]; then
aptly repo create -config=config/aptly.conf -distribution=$release -component="utils" -comment="Armbian utilities" utils
fi
if [[ -z $(aptly repo list -config=config/aptly.conf -raw | awk '{print $(NF)}' | grep "${release}-desktop") ]]; then
aptly repo create -config=config/aptly.conf -distribution=$release -component="${release}-desktop" -comment="Armbian desktop" ${release}-desktop
fi
# create local repository if not exist
# adding main
if find $POT -maxdepth 1 -type f -name "*.deb" 2>/dev/null | grep -q .; then
display_alert "Adding to repository $release" "main" "ext"
aptly repo add -force-replace=$replace -config=config/aptly.conf $release $POT/*.deb
else
display_alert "Not adding $release" "main" "wrn"
fi
# adding main distribution packages
if find ${POT}${release} -maxdepth 1 -type f -name "*.deb" 2>/dev/null | grep -q .; then
display_alert "Adding to repository $release" "main" "ext"
aptly repo add -force-replace=$replace -config=config/aptly.conf $release ${POT}${release}/*.deb
else
display_alert "Not adding $release" "main" "wrn"
fi
# adding utils
if find ${POT}extra/$release/utils -maxdepth 1 -type f -name "*.deb" 2>/dev/null | grep -q .; then
display_alert "Adding to repository $release" "utils" "ext"
aptly repo add -config=config/aptly.conf "utils" ${POT}extra/$release/utils/*.deb
else
display_alert "Not adding $release" "utils" "wrn"
fi
# adding desktop
if find ${POT}extra/$release/desktop -maxdepth 1 -type f -name "*.deb" 2>/dev/null | grep -q .; then
display_alert "Adding to repository $release" "desktop" "ext"
aptly repo add -force-replace=$replace -config=config/aptly.conf "${release}-desktop" ${POT}extra/$release/desktop/*.deb
else
display_alert "Not adding $release" "desktop" "wrn"
fi
# publish
aptly publish -passphrase=$GPG_PASS -origin=Armbian -label=Armbian -config=config/aptly.conf -component=main,utils,${release}-desktop \
--distribution=$release repo $release utils ${release}-desktop
if [[ $? -ne 0 ]]; then
display_alert "Publishing failed" "$release" "err"
exit 0
fi
done
display_alert "List of local repos" "local" "info"
(aptly repo list -config=config/aptly.conf) | egrep packages
# serve
# aptly -config=config/aptly.conf -listen=":8189" serve
}
# prepare_host
#
# * checks and installs necessary packages
# * creates directory structure
# * changes system settings
#
prepare_host() {
display_alert "Preparing" "host" "info"
if [[ $(dpkg --print-architecture) == arm* ]]; then
display_alert "Please read documentation to set up proper compilation environment"
display_alert "http://www.armbian.com/using-armbian-tools/"
exit_with_error "Running this tool on board itself is not supported"
fi
if [[ $(dpkg --print-architecture) == i386 ]]; then
display_alert "Please read documentation to set up proper compilation environment"
display_alert "http://www.armbian.com/using-armbian-tools/"
display_alert "Running this tool on non-x64 build host in not supported officially" "" "wrn"
fi
# dialog may be used to display progress
if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' dialog 2>/dev/null) != *ii* ]]; then
display_alert "Installing package" "dialog"
apt-get install -qq -y --no-install-recommends dialog >/dev/null 2>&1
fi
# wget is needed
if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' wget 2>/dev/null) != *ii* ]]; then
display_alert "Installing package" "wget"
apt-get install -qq -y --no-install-recommends wget >/dev/null 2>&1
fi
# need lsb_release to decide what to install
if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' lsb-release 2>/dev/null) != *ii* ]]; then
display_alert "Installing package" "lsb-release"
apt-get install -qq -y --no-install-recommends lsb-release >/dev/null 2>&1
fi
# packages list for host
local hostdeps="ca-certificates device-tree-compiler pv bc lzop zip binfmt-support build-essential ccache debootstrap ntpdate pigz \
gawk gcc-arm-linux-gnueabihf gcc-arm-linux-gnueabi qemu-user-static u-boot-tools uuid-dev zlib1g-dev unzip libusb-1.0-0-dev ntpdate \
parted pkg-config libncurses5-dev whiptail debian-keyring debian-archive-keyring f2fs-tools libfile-fcntllock-perl rsync libssl-dev \
nfs-kernel-server btrfs-tools gcc-aarch64-linux-gnu ncurses-term p7zip-full dos2unix dosfstools libc6-dev-armhf-cross libc6-dev-armel-cross \
libc6-dev-arm64-cross curl pdftk gcc-arm-none-eabi libnewlib-arm-none-eabi"
local codename=$(lsb_release -sc)
display_alert "Build host OS release" "${codename:-(unknown)}" "info"
if [[ -z $codename || "trusty wily xenial" != *"$codename"* ]]; then
display_alert "Host system support was not tested" "${codename:-(unknown)}" "wrn"
echo -e "Press \e[0;33m<Ctrl-C>\x1B[0m to abort compilation, \e[0;33m<Enter>\x1B[0m to ignore and continue"
read
fi
if [[ $codename == trusty && ! -f /etc/apt/sources.list.d/aptly.list ]]; then
display_alert "Adding repository for trusty" "aptly" "info"
echo 'deb http://repo.aptly.info/ squeeze main' > /etc/apt/sources.list.d/aptly.list
apt-key adv --keyserver keys.gnupg.net --recv-keys 9E3E53F19C7DE460
fi
if [[ $codename == xenial ]]; then
hostdeps="$hostdeps systemd-container udev distcc libstdc++-arm-none-eabi-newlib gcc-4.9-arm-linux-gnueabihf \
gcc-4.9-aarch64-linux-gnu g++-4.9-arm-linux-gnueabihf g++-4.9-aarch64-linux-gnu g++-5-aarch64-linux-gnu \
g++-5-arm-linux-gnueabihf"
if systemd-detect-virt -q -c; then
display_alert "Running in container" "$(systemd-detect-virt)" "info"
# disable apt-cacher unless NO_APT_CACHER=no is not specified explicitly
if [[ $NO_APT_CACHER != no ]]; then
display_alert "apt-cacher is disabled, set NO_APT_CACHER=no to override" "" "wrn"
NO_APT_CACHER=yes
fi
# create device nodes for loop devices
for i in {0..6}; do
mknod -m0660 /dev/loop$i b 7 $i > /dev/null 2>&1
done
fi
fi
# warning: apt-cacher-ng will fail if installed and used both on host and in container/chroot environment with shared network
# set NO_APT_CACHER=yes to prevent installation errors in such case
if [[ $NO_APT_CACHER != yes ]]; then hostdeps="$hostdeps apt-cacher-ng"; fi
local deps=()
local installed=$(dpkg-query -W -f '${db:Status-Abbrev}|${binary:Package}\n' '*' 2>/dev/null | grep '^ii' | awk -F '|' '{print $2}' | cut -d ':' -f 1)
for packet in $hostdeps; do
if ! grep -q -x -e "$packet" <<< "$installed"; then deps+=("$packet"); fi
done
if [[ ${#deps[@]} -gt 0 ]]; then
eval '( apt-get update; apt-get -y --no-install-recommends install "${deps[@]}" )' \
${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/output.log'} \
${OUTPUT_DIALOG:+' | dialog --backtitle "$backtitle" --progressbox "Installing ${#deps[@]} host dependencies..." $TTY_Y $TTY_X'} \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
# this is needed in case new compilers were installed
update-ccache-symlinks
fi
# install aptly separately
if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' aptly 2>/dev/null) != *ii* ]]; then
apt-get install -qq -y --no-install-recommends aptly >/dev/null 2>&1
fi
# TODO: Check for failed installation process
# enable arm binary format so that the cross-architecture chroot environment will work
test -e /proc/sys/fs/binfmt_misc/qemu-arm || update-binfmts --enable qemu-arm
test -e /proc/sys/fs/binfmt_misc/qemu-aarch64 || update-binfmts --enable qemu-aarch64
# create directory structure
mkdir -p $SOURCES $DEST/debs/extra $DEST/debug $CACHEDIR/rootfs $SRC/userpatches/overlay $SRC/toolchains $SRC/userpatches/patch
find $SRC/lib/patch -type d ! -name . | sed "s%lib/patch%userpatches%" | xargs mkdir -p
# download external Linaro compiler and missing special dependencies since they are needed for certain sources
if [[ $codename == xenial ]]; then
download_toolchain "https://releases.linaro.org/components/toolchain/binaries/4.9-2016.02/aarch64-linux-gnu/gcc-linaro-4.9-2016.02-x86_64_aarch64-linux-gnu.tar.xz"
download_toolchain "https://releases.linaro.org/components/toolchain/binaries/4.9-2016.02/arm-linux-gnueabi/gcc-linaro-4.9-2016.02-x86_64_arm-linux-gnueabi.tar.xz"
download_toolchain "https://releases.linaro.org/components/toolchain/binaries/4.9-2016.02/arm-linux-gnueabihf/gcc-linaro-4.9-2016.02-x86_64_arm-linux-gnueabihf.tar.xz"
#download_toolchain "https://releases.linaro.org/components/toolchain/binaries/5.3-2016.02/arm-linux-gnueabihf/gcc-linaro-5.3-2016.02-x86_64_arm-linux-gnueabihf.tar.xz"
download_toolchain "https://releases.linaro.org/components/toolchain/binaries/5.2-2015.11-2/arm-linux-gnueabihf/gcc-linaro-5.2-2015.11-2-x86_64_arm-linux-gnueabihf.tar.xz"
#download_toolchain "https://releases.linaro.org/components/toolchain/binaries/4.9-2016.02/arm-eabi/gcc-linaro-4.9-2016.02-x86_64_arm-eabi.tar.xz"
download_toolchain "https://releases.linaro.org/14.04/components/toolchain/binaries/gcc-linaro-arm-linux-gnueabihf-4.8-2014.04_linux.tar.xz"
dpkg --add-architecture i386
apt-get install -qq -y --no-install-recommends lib32stdc++6 libc6-i386 lib32ncurses5 lib32tinfo5 zlib1g:i386 >/dev/null 2>&1
fi
[[ ! -f $SRC/userpatches/customize-image.sh ]] && cp $SRC/lib/scripts/customize-image.sh.template $SRC/userpatches/customize-image.sh
if [[ ! -f $SRC/userpatches/README ]]; then
rm $SRC/userpatches/readme.txt
echo 'Please read documentation about customizing build configuration' > $SRC/userpatches/README
echo 'http://www.armbian.com/using-armbian-tools/' >> $SRC/userpatches/README
fi
# check free space (basic), doesn't work on Trusty
local freespace=$(findmnt --target $SRC -n -o AVAIL -b 2>/dev/null) # in bytes
[[ -n $freespace && $(( $freespace / 1073741824 )) -lt 10 ]] && display_alert "Low free space left" "$(( $freespace / 1073741824 )) GiB" "wrn"
}
# download_toolchain <url>
#
download_toolchain()
{
local url=$1
local filename=${url##*/}
local dirname=${filename//.tar.xz}
if [[ -f $SRC/toolchains/$dirname/.download-complete ]]; then
return
fi
cd $SRC/toolchains/
display_alert "Downloading toolchain" "$dirname" "info"
curl -Lf --progress-bar $url -o $filename
curl -Lf --progress-bar ${url}.asc -o ${filename}.asc
local verified=false
display_alert "Verifying"
if grep -q 'BEGIN PGP SIGNATURE' ${filename}.asc; then
if [[ ! -d $DEST/.gpg ]]; then
mkdir -p $DEST/.gpg
chmod 700 $DEST/.gpg
touch $DEST/.gpg/gpg.conf
chmod 600 $DEST/.gpg/gpg.conf
fi
(gpg --homedir $DEST/.gpg --no-permission-warning --list-keys 8F427EAF || gpg --homedir $DEST/.gpg --no-permission-warning --keyserver keyserver.ubuntu.com --recv-keys 8F427EAF) 2>&1 | tee -a $DEST/debug/output.log
gpg --homedir $DEST/.gpg --no-permission-warning --verify --trust-model always -q ${filename}.asc 2>&1 | tee -a $DEST/debug/output.log
[[ ${PIPESTATUS[0]} -eq 0 ]] && verified=true
else
md5sum -c --status ${filename}.asc && verified=true
fi
if [[ $verified == true ]]; then
display_alert "Extracting"
tar --overwrite -xf $filename && touch $SRC/toolchains/$dirname/.download-complete
display_alert "Download complete" "" "info"
else
display_alert "Verification failed" "" "wrn"
fi
}
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