add docker as builder

docker/Dockerfile

@@ -0,0 +1,32 @@
+FROM debian:buster
+
+COPY sources.list /etc/apt/sources.list
+
+RUN apt-get update &&\
+    apt-get install -y \
+        sudo time git-core subversion build-essential g++ bash make \
+        libssl-dev patch libncurses5 libncurses5-dev zlib1g-dev gawk \
+        flex gettext wget unzip bzip2 xz-utils device-tree-compiler python python-distutils-extra \
+        python3 python3-distutils-extra python3-setuptools swig rsync curl \
+        libsnmp-dev liblzma-dev libpam0g-dev cpio rsync gcc-multilib && \
+    apt-get clean && \
+    useradd -m builder && \
+    echo 'user ALL=NOPASSWD: ALL' > /etc/sudoers.d/builder
+
+# set system wide dummy git config
+RUN git config --system user.name "builder" && git config --system user.email "builder@example.com"
+
+USER builder
+
+VOLUME /work
+VOLUME /work/ib
+
+ENV WORK_SOURCE=/work
+ENV WORK_TARGET=x86_64
+
+COPY build.sh /bin/build.sh
+
+WORKDIR /work
+
+ENTRYPOINT [ "/bin/build.sh" ]
+

docker/build.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+case ${WORK_TARGET} in
+  x86_64)
+    ;;
+  rk35xx)
+    ;;
+  rk33xx)
+    ;;
+  *)
+    echo "not supported"
+    exit 1
+    ;;
+esac
+
+source env/${WORK_TARGET}.env
+
+IB_FOUND=0
+if grep -q istore_nas ib/repositories.conf; then
+    IB_FOUND=1
+else
+    IB_FOUND=0
+fi
+
+set -e
+if [ "$IB_FOUND" = "0" ]; then
+    if [ ! -f dl/${IB_NAME}.tar.xz ]; then
+        wget -O dl/${IB_NAME}.tar.xz ${IB_URL}${IB_NAME}.tar.xz
+        wget -O dl/sha256sums ${IB_URL}sha256sums
+        [ -s dl/sha256sums ]
+        [ -s dl/${IB_NAME}.tar.xz ]
+        grep -Fq ${IB_NAME}.tar.xz dl/sha256sums
+        cd dl && sha256sum -c --ignore-missing --status sha256sums
+    fi
+
+    cd ${WORK_SOURCE}
+    tar -C ib --strip-components=1 -xJf dl/${IB_NAME}.tar.xz
+    cp -a src/* ib/
+    ls patches/ | sort | xargs -n1 sh -c 'patch -p1 -d ib -i ../patches/$0'
+    sed -i 's/ unofficial/ oversea/' ib/Makefile
+    ls packages/all | cut -d "_" -f 1 | xargs -n1 sh -c 'rm ib/packages/$0*.ipk'
+    cp packages/all/*.ipk ib/packages/
+    mkdir -p ib/files
+    cp -a files/all/* ib/files
+    case ${WORK_TARGET} in
+      *x86*)
+          cp src/repositories_x86_64.conf ib/repositories.conf
+          cp src/target_x86_64.manifest ib/target.manifest
+        ;;
+      *rk35xx*)
+          cp src/repositories_aarch64.conf ib/repositories.conf
+          cp src/target_rk35xx.manifest ib/target.manifest
+        ;;
+      *rk33xx*)
+          cp src/repositories_aarch64.conf ib/repositories.conf
+          cp src/target_rk33xx.manifest ib/target.manifest
+        ;;
+      *bcm2711*)
+          cp src/repositories_aarch64.conf ib/repositories.conf
+          cp src/target_bcm2711.manifest ib/target.manifest
+        ;;
+    esac
+fi
+set +e
+
+cd ${WORK_SOURCE}/ib
+
+case $1 in
+  Pack)
+    make -f release.mk IB=1
+    make -f multi.mk release_env
+    ;;
+  *)
+    make -f multi.mk image_multi FILES="files"
+    ;;
+esac
+

docker/sources.list

@@ -0,0 +1,9 @@
+deb http://mirrors.aliyun.com/debian/ buster main non-free contrib
+deb-src http://mirrors.aliyun.com/debian/ buster main non-free contrib
+deb http://mirrors.aliyun.com/debian-security buster/updates main
+deb-src http://mirrors.aliyun.com/debian-security buster/updates main
+deb http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
+deb-src http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
+deb http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
+deb-src http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
+