Initial build script

This commit is contained in:
Serge Schneider 2016-04-11 07:21:07 +01:00
parent 25b7d54af5
commit 2701f10c90
2 changed files with 226 additions and 0 deletions

162
build.sh
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#!/bin/bash -e
run_sub_stage()
{
log "Begin ${SUB_STAGE_DIR}"
pushd ${SUB_STAGE_DIR} > /dev/null
for i in {00..99}; do
if [ -f ${i}-debconf ]; then
log "Begin ${SUB_STAGE_DIR}/${i}-debconf"
on_chroot sh -e - << EOF
debconf-set-selections <<SELEOF
`cat ${i}-debconf`
SELEOF
EOF
log "End ${SUB_STAGE_DIR}/${i}-debconf"
fi
if [ -f ${i}-packages-nr ]; then
log "Begin ${SUB_STAGE_DIR}/${i}-packages-nr"
PACKAGES=`cat $i-packages-nr | tr '\n' ' '`
if [ -n "$PACKAGES" ]; then
on_chroot sh -e - << EOF
apt-get install --no-install-recommends -y $PACKAGES
EOF
fi
log "End ${SUB_STAGE_DIR}/${i}-packages-nr"
fi
if [ -f ${i}-packages ]; then
log "Begin ${SUB_STAGE_DIR}/${i}-packages"
PACKAGES=`cat $i-packages | tr '\n' ' '`
if [ -n "$PACKAGES" ]; then
on_chroot sh -e - << EOF
apt-get install -y $PACKAGES
EOF
fi
log "End ${SUB_STAGE_DIR}/${i}-packages"
fi
if [ -d ${i}-patches ]; then
log "Begin ${SUB_STAGE_DIR}/${i}-patches"
pushd ${STAGE_WORK_DIR} > /dev/null
if [ "${CLEAN}" = "1" ]; then
rm -rf .pc
rm -rf *-pc
fi
QUILT_PATCHES=${SUB_STAGE_DIR}/${i}-patches
mkdir -p ${i}-pc
ln -sf .pc ${i}-pc
if [ -e ${SUB_STAGE_DIR}/${i}-patches/EDIT ]; then
echo "Dropping into bash to edit patches..."
bash
fi
RC=0
quilt push -a || RC=$?
case "$RC" in
0|2)
;;
*)
false
;;
esac
popd > /dev/null
log "End ${SUB_STAGE_DIR}/${i}-patches"
fi
if [ -x ${i}-run.sh ]; then
log "Begin ${SUB_STAGE_DIR}/${i}-run.sh"
./${i}-run.sh
log "End ${SUB_STAGE_DIR}/${i}-run.sh"
fi
if [ -f ${i}-run-chroot ]; then
log "Begin ${SUB_STAGE_DIR}/${i}-run-chroot"
on_chroot sh -e - < ${i}-run-chroot
log "End ${SUB_STAGE_DIR}/${i}-run-chroot"
fi
done
popd > /dev/null
log "End ${SUB_STAGE_DIR}"
}
run_stage(){
log "Begin ${STAGE_DIR}"
pushd ${STAGE_DIR} > /dev/null
unmount ${WORK_DIR}/${STAGE}
STAGE_WORK_DIR=${WORK_DIR}/${STAGE}
ROOTFS_DIR=${STAGE_WORK_DIR}/rootfs
if [ ! -f SKIP ]; then
if [ "${CLEAN}" = "1" ]; then
if [ -d ${ROOTFS_DIR} ]; then
rm -rf ${ROOTFS_DIR}
fi
fi
if [ -x prerun.sh ]; then
log "Begin ${STAGE_DIR}/prerun.sh"
./prerun.sh
log "End ${STAGE_DIR}/prerun.sh"
fi
for SUB_STAGE_DIR in ${STAGE_DIR}/*; do
if [ -d ${SUB_STAGE_DIR} ]; then
run_sub_stage
fi
done
fi
unmount ${WORK_DIR}/${STAGE}
PREV_STAGE=${STAGE}
PREV_STAGE_DIR=${STAGE_DIR}
PREV_ROOTFS_DIR=${ROOTFS_DIR}
popd > /dev/null
log "End ${STAGE_DIR}"
}
if [ "$(id -u)" != "0" ]; then
echo "Please run as root" 1>&2
exit 1
fi
if [ -f config ]; then
source config
fi
if [ -z "${IMG_NAME}" ]; then
echo "IMG_NAME not set" 1>&2
exit 1
fi
export IMG_DATE=${IMG_DATE:-"$(date -u +%Y-%m-%d)"}
export BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
export SCRIPT_DIR="${BASE_DIR}/scripts"
export WORK_DIR="${BASE_DIR}/work/${IMG_DATE}-${IMG_NAME}"
export LOG_FILE="${WORK_DIR}/build.log"
export CLEAN
export IMG_NAME
export APT_PROXY
export STAGE
export PREV_STAGE
export STAGE_DIR
export PREV_STAGE_DIR
export ROOTFS_DIR
export PREV_ROOTFS_DIR
export QUILT_PATCHES
export QUILT_NO_DIFF_INDEX=1
export QUILT_NO_DIFF_TIMESTAMPS=1
export QUILT_REFRESH_ARGS="-p ab"
source ${SCRIPT_DIR}/common
export -f log
export -f bootstrap
export -f unmount
export -f on_chroot
export -f copy_previous
export -f update_issue
mkdir -p ${WORK_DIR}
log "Begin ${BASE_DIR}"
for STAGE_DIR in ${BASE_DIR}/stage*; do
STAGE=$(basename ${STAGE_DIR})
run_stage
done
log "End ${BASE_DIR}"

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log (){
date +"[%T] $@" | tee -a ${LOG_FILE}
}
bootstrap(){
ARCH=$(dpkg --print-architecture)
export http_proxy=${APT_PROXY}
if [ "$ARCH" != "armhf" ]; then
BOOTSTRAP_CMD=qemu-debootstrap
else
BOOTSTRAP_CMD=debootstrap
fi
${BOOTSTRAP_CMD} --components=main,contrib,non-free \
--arch armhf\
--no-check-gpg \
$1 $2 $3
}
copy_previous(){
if [ ! -d ${PREV_ROOTFS_DIR} ]; then
echo "Previous stage rootfs not found"
false
fi
mkdir -p ${ROOTFS_DIR}
rsync -aHAX ${PREV_ROOTFS_DIR}/ ${ROOTFS_DIR}/
}
unmount(){
if [ -z "$1" ]; then
DIR=$PWD
else
DIR=$1
fi
while mount | grep -q $DIR; do
LOCS=`mount | grep $DIR | cut -f 3 -d ' ' | sort -r`
for loc in $LOCS; do
sudo umount $loc
done
done
}
on_chroot() {
if ! mount | grep -q `realpath ${ROOTFS_DIR}/proc`; then
mount -t proc proc ${ROOTFS_DIR}/proc
fi
if ! mount | grep -q `realpath ${ROOTFS_DIR}/dev`; then
mount --bind /dev ${ROOTFS_DIR}/dev
fi
if ! mount | grep -q `realpath ${ROOTFS_DIR}/sys`; then
mount --bind /sys ${ROOTFS_DIR}/sys
fi
chroot ${ROOTFS_DIR}/ "$@"
}
update_issue() {
echo -e "Raspberry Pi reference ${DATE}\nGenerated using Pi-gen, https://github.com/RPi-Distro/Pi-gen, ${1}" > ${ROOTFS_DIR}/etc/rpi-issue
}