Rewrite build.sh, set GLUON_BRANCH in site.mk, update README
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Jan-Philipp Litza
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27
README.md
27
README.md
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@ -2,23 +2,32 @@
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Um die Bremer Firmware zu bauen sind folgende Vorbereitungen notwendig:
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```sh
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# Build-Dependencies installieren (Debian)
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sudo apt-get install coreutils build-essential subversion git libncurses5-dev zlib1g-dev unzip gawk libssl-dev
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# Build-Dependencies installieren (Debian/Ubuntu)
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sudo apt-get install coreutils schedtool build-essential subversion git libncurses5-dev zlib1g-dev unzip gawk libssl-dev
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# Dieses und das Gluon-Repository clonen
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git clone --recursive https://github.com/FreifunkBremen/gluon-site-ffhb.git
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```
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Um eine neue Testing-Version der Bremer Firmware zu bauen sind folgende Befehle nötig:
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Um eine bestimmte Version der Bremer Firmware zu bauen sind folgende Befehle nötig:
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```sh
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# In das Verzeichnis wechseln
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cd gluon-site-ffhb/
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# Gluon auf die gewünschte Version bringen ($tag ist z.B. v2015.1.1)
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git -C gluon checkout $tag
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# Die gewünschte Version auschecken ($tag ist z.B. v2016.2.3+bremen2)
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git checkout $tag
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# Gluon auf die passende Version bringen
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git submodule update
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# Build-Prozess anstoßen
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./build.sh testing
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./build.sh
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```
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Das Script `build.sh` versucht die richtige Versionsnummer automatisch aus dem gewählten Gluon-Tag und der letzten veröffentlichten Testing-Version zu bestimmen, sie kann aber auch manuell eingegeben werden. Will man stattdessen eine Stable bauen, ändert man einfach nur das `testing` in der letzten Zeile zu `stable`.
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Lief der Build-Prozess erfolgreich durch, liegen in `gluon/output/images/` die fertigen Images inklusive eines Manifests für den Autoupdater, das schon mit dem eigenen ECDSA-Key signiert wurde falls dieser unter `~/.ecdsakey` liegt. In `gluon/output/modules/` liegen außerdem per `opkg` auf dem Knoten nachinstallierbare Kernel-Module.
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Lief der Build-Prozess erfolgreich durch, liegen in `gluon/images/` die fertigen Images inklusive eines Manifests für den Autoupdater, das schon mit dem eigenen ECDSA-Key signiert wurde falls dieser unter `~/.ecdsakey` liegt.
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Will man ohne `build.sh` manuell `make` im Verzeichnis gluon aufrufen, wie in der [offiziellen Gluon-Doku](https://gluon.readthedocs.org/en/stable/user/getting_started.html#building-the-images), muss man *jedem* Aufruf von `make` den Parameter `GLUON_SITEDIR=$PWD/../` nachstellen (oder wie in `build.sh` einmal per `export GLUON_SITEDIR=$PWD/../` setzen), damit Gluon das site-Repository findet. Alternativ kann man einen Symlink anlegen, indem man während man im site-Repository ist den Befehl `ln -s $PWD gluon/site` ausführt.
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Will man ohne `build.sh` manuell `make` im Verzeichnis gluon aufrufen, wie in der [offiziellen Gluon-Doku](https://gluon.readthedocs.org/en/v2015.1.1/user/getting_started.html#building-the-images), muss man *jedem* Aufruf von `make` den Parameter `GLUON_SITEDIR=$PWD/../` nachstellen (oder wie in `build.sh` einmal per `export GLUON_SITEDIR=$PWD/../` setzen).
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In jedem Fall wird der Gluon-Release-Name automatisch aus dem ausgecheckten Tag generiert - auch falls kein Tag, sondern z.B. der master-Branch ausgecheckt wurde! Falls das nicht gewünscht ist lässt sich durch folgenden Aufruf *vor* dem entsprechenden Build-Befehl (`./build.sh` oder `make`) ein eigener Release-Name festlegen:
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```
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export GLUON_RELEASE="v2016.2.3+bremen3+my_cool_extension"
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```
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Analog lassen sich alle anderen `GLUON_*`-Variablen überschreiben, außerdem die folgenden `build.sh`-spezifischen Variablen:
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* `GLUON_TARGETS`: Welche Architekturen werden von `build.sh` gebaut
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* `KEYFILE`: Der Ort des Schlüssels, mit dem das testing/nightly-Manifest automatisch unterschrieben werden soll
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170
build.sh
170
build.sh
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@ -1,153 +1,45 @@
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#! /usr/bin/env sh
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FIRMWARE_URL="http://downloads.bremen.freifunk.net/firmware/"
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LOCAL_SUFFIX="bremen"
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GLUON_DIR="gluon/"
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KEYFILE="$HOME/.ecdsakey"
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# environmental and build settings
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KEYFILE="${KEYFILE:-"$HOME/.ecdsakey"}"
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GLUON_TARGETS="${GLUON_TARGETS:-"ar71xx-generic ar71xx-nand mpc85xx-generic x86-generic"}"
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GLUON_PRIORITY="${GLUON_PRIORITY:-7}"
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# start of script
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set -eu
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# determine absolute path of site repository
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if which realpath > /dev/null; then
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GLUON_SITEDIR="$(dirname "$(realpath "$0")")"
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export GLUON_SITEDIR="$(dirname "$(realpath "$0")")"
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else
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GLUON_SITEDIR="$(dirname "$(readlink -f "$0")")"
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export GLUON_SITEDIR="$(dirname "$(readlink -f "$0")")"
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fi
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export GLUON_SITEDIR
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GLUON_DIR="${GLUON_SITEDIR}/gluon/"
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get_GLUON_TAG() {
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if ! git --git-dir="${GLUON_DIR}/.git" describe --exact-match; then
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echo 'The gluon tree is not checked out at a tag.'
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echo 'Please use `git checkout <tagname>` to use an official gluon release'
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echo 'or build it manually. Only with at a tag we can autogenerate the'
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echo 'release string!'
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exit 1
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fi
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}
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# start building
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cd "${GLUON_DIR}"
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make update V=s
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get_last_release() {
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branch="$1"
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wget -q -O- "${FIRMWARE_URL}/${branch}/sysupgrade/${branch}.manifest" | \
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awk 'parse == 1 { print $2; exit } /^$/ { parse=1 }'
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}
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is_based_on() {
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[ "${1#$2}" != "${1}" ]
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return $?
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}
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extract_local_version() {
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local_version_tmp="${1#*+${LOCAL_SUFFIX}}"
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echo "${local_version_tmp%~testing}"
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}
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debug=
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if [ "$#" -gt 0 ]; then
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if [ "$1" = '-h' -o "$1" = '--help' ]; then
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cat <<USAGE
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Usage: $(basename $0) [--debug]
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This script tries to autodetermine the correct release name, builds gluon for
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all supported platforms (excluding x86*), and optionally signs it if an
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ecdsutils keyfile is found (standard path: ~/.ecdsakey)
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USAGE
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exit 1
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fi
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if [ "$1" = "--debug" ]; then
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debug=1
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shift
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fi
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fi
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GLUON_BRANCH="stable"
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GLUON_TAG="$(get_GLUON_TAG)"
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# remove prefixed "v"
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GLUON_TAG="${GLUON_TAG#v}"
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statefile="${GLUON_SITEDIR}/.build.${GLUON_BRANCH}.${GLUON_TAG}"
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cont=false
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if [ -f "$statefile" ]; then
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echo "A previous build for this version was aborted."
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echo "These were the parameters:"
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cat "$statefile"
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echo "You can now either continue the previous build or begin a new one"
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echo "and overwrite the old state file."
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read -p "Do you want to continue the previous build? [Yn] " answer
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case "${answer:-y}" in
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[yY]*)
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. "$statefile"
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cont=true
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;;
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*)
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rm "$statefile"
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;;
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esac
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fi
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if ! $cont; then
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echo "Building Gluon ${GLUON_TAG} as ${GLUON_BRANCH}"
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last_release_testing="$(get_last_release testing)"
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last_release_stable="$(get_last_release stable)"
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last_release="$(echo "${last_release_testing}\n${last_release_stable}" | sort -V | tail -n1)"
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echo "Last release was ${last_release}"
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if is_based_on "$last_release" "$GLUON_TAG"; then
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local_version="$(extract_local_version "$last_release")"
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local_version="$(($local_version + 1))"
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else
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# new gluon version => reset local version number
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local_version=1
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fi
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auto_determined_release="${GLUON_TAG}+${LOCAL_SUFFIX}${local_version}"
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read -p "Release name for this build [default: ${auto_determined_release}]: " GLUON_RELEASE
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GLUON_RELEASE="${GLUON_RELEASE:-$auto_determined_release}"
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cat > "$statefile" <<EOF
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GLUON_TAG="${GLUON_TAG}"
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GLUON_BRANCH="${GLUON_BRANCH}"
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GLUON_RELEASE="${GLUON_RELEASE}"
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EOF
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fi
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if [ "$GLUON_BRANCH" = "stable" ]; then
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export GLUON_PRIORITY=7
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fi
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# calculate number of threads
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if [ -z "$debug" ]; then
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proc_num="$(($(grep -c '^processor\s' /proc/cpuinfo) + 1))"
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else
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proc_num=1
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fi
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cd "$GLUON_DIR"
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export GLUON_BRANCH GLUON_RELEASE
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if ! $cont; then
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make update ${debug:+V=s}
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fi
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for target in ar71xx-generic ar71xx-nand mpc85xx-generic x86-generic; do
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env_target="$(echo "$target" | tr '-' '_')"
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set +u
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if eval "[ \"\$TARGET_${env_target}_DONE\" = 1 ]"; then
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continue
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fi
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set -u
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echo "Building target ${target}"
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if $cont; then
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cont=false
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else
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make clean GLUON_TARGET="$target" ${debug:+V=s}
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fi
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make -j${proc_num} GLUON_TARGET="$target" ${debug:+V=s}
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echo "TARGET_${env_target}_DONE=1" >> "$statefile"
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for target in $GLUON_TARGETS; do
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echo "Building target ${target}"
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make clean GLUON_TARGET="$target" V=s
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schedtool -B -e \
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make --jobs=$(grep -c '^processor' /proc/cpuinfo) --output-sync=recurse \
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GLUON_TARGET="$target" V=s
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done
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make manifest
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make manifest GLUON_BRANCH=testing GLUON_PRIORITY=0
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cd ..
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if [ -n "$KEYFILE" -a -r "$KEYFILE" ]; then
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sed -i -e "/^BRANCH=testing/ a BRANCH=nightly" "${GLUON_DIR}/output/images/sysupgrade/testing.manifest"
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"${GLUON_DIR}/contrib/sign.sh" "$KEYFILE" "${GLUON_DIR}/output/images/sysupgrade/testing.manifest"
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# generate manifests
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make manifest
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if [ -z "${GLUON_BRANCH:-}" ]; then
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make manifest GLUON_BRANCH=testing GLUON_PRIORITY=0
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# add BRANCH=nightly line below BRANCH=testing line
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sed -i -e "/^BRANCH=testing/ a BRANCH=nightly" \
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"${GLUON_DIR}/output/images/sysupgrade/testing.manifest"
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fi
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rm "$statefile"
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# sign testing/nightly manifest if key is present
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if [ -n "$KEYFILE" -a -r "$KEYFILE" ]; then
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"${GLUON_DIR}/contrib/sign.sh" "$KEYFILE" \
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"${GLUON_DIR}/output/images/sysupgrade/testing.manifest"
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fi
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