| #!/usr/bin/env bash |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| DEFAULT_DOCKCROSS_IMAGE=dockcross/linux-x86:latest |
| |
| #------------------------------------------------------------------------------ |
| # Helpers |
| # |
| err() { |
| echo -e >&2 ERROR: $@\\n |
| } |
| |
| die() { |
| err $@ |
| exit 1 |
| } |
| |
| has() { |
| # eg. has command update |
| local kind=$1 |
| local name=$2 |
| |
| type -t $kind:$name | grep -q function |
| } |
| |
| #------------------------------------------------------------------------------ |
| # Command handlers |
| # |
| command:update-image() { |
| docker pull $FINAL_IMAGE |
| } |
| |
| help:update-image() { |
| echo Pull the latest $FINAL_IMAGE . |
| } |
| |
| command:update-script() { |
| if cmp -s <( docker run --rm $FINAL_IMAGE ) $0; then |
| echo $0 is up to date |
| else |
| echo -n Updating $0 '... ' |
| docker run --rm $FINAL_IMAGE > $0 && echo ok |
| fi |
| } |
| |
| help:update-image() { |
| echo Update $0 from $FINAL_IMAGE . |
| } |
| |
| command:update() { |
| command:update-image |
| command:update-script |
| } |
| |
| help:update() { |
| echo Pull the latest $FINAL_IMAGE, and then update $0 from that. |
| } |
| |
| command:help() { |
| if [[ $# != 0 ]]; then |
| if ! has command $1; then |
| err \"$1\" is not an dockcross command |
| command:help |
| elif ! has help $1; then |
| err No help found for \"$1\" |
| else |
| help:$1 |
| fi |
| else |
| cat >&2 <<ENDHELP |
| Usage: dockcross [options] [--] command [args] |
| |
| By default, run the given *command* in an dockcross Docker container. |
| |
| The *options* can be one of: |
| |
| --args|-a Extra args to the *docker run* command |
| --image|-i Docker cross-compiler image to use |
| --config|-c Bash script to source before running this script |
| |
| |
| Additionally, there are special update commands: |
| |
| update-image |
| update-script |
| update |
| |
| For update command help use: $0 help <command> |
| ENDHELP |
| exit 1 |
| fi |
| } |
| |
| #------------------------------------------------------------------------------ |
| # Option processing |
| # |
| special_update_command='' |
| while [[ $# != 0 ]]; do |
| case $1 in |
| |
| --) |
| shift |
| break |
| ;; |
| |
| --args|-a) |
| ARG_ARGS="$2" |
| shift 2 |
| ;; |
| |
| --config|-c) |
| ARG_CONFIG="$2" |
| shift 2 |
| ;; |
| |
| --image|-i) |
| ARG_IMAGE="$2" |
| shift 2 |
| ;; |
| update|update-image|update-script) |
| special_update_command=$1 |
| break |
| ;; |
| -*) |
| err Unknown option \"$1\" |
| command:help |
| exit |
| ;; |
| |
| *) |
| break |
| ;; |
| |
| esac |
| done |
| |
| # The precedence for options is: |
| # 1. command-line arguments |
| # 2. environment variables |
| # 3. defaults |
| |
| # Source the config file if it exists |
| DEFAULT_DOCKCROSS_CONFIG=~/.dockcross |
| FINAL_CONFIG=${ARG_CONFIG-${DOCKCROSS_CONFIG-$DEFAULT_DOCKCROSS_CONFIG}} |
| |
| [[ -f "$FINAL_CONFIG" ]] && source "$FINAL_CONFIG" |
| |
| # Set the docker image |
| FINAL_IMAGE=${ARG_IMAGE-${DOCKCROSS_IMAGE-$DEFAULT_DOCKCROSS_IMAGE}} |
| |
| # Handle special update command |
| if [ "$special_update_command" != "" ]; then |
| case $special_update_command in |
| |
| update) |
| command:update |
| exit $? |
| ;; |
| |
| update-image) |
| command:update-image |
| exit $? |
| ;; |
| |
| update-script) |
| command:update-script |
| exit $? |
| ;; |
| |
| esac |
| fi |
| |
| # Set the docker run extra args (if any) |
| FINAL_ARGS=${ARG_ARGS-${DOCKCROSS_ARGS}} |
| |
| # Bash on Ubuntu on Windows |
| UBUNTU_ON_WINDOWS=$([ -e /proc/version ] && grep -l Microsoft /proc/version || echo "") |
| # MSYS, Git Bash, etc. |
| MSYS=$([ -e /proc/version ] && grep -l MINGW /proc/version || echo "") |
| |
| if [ -z "$UBUNTU_ON_WINDOWS" -a -z "$MSYS" ]; then |
| USER_IDS=(-e BUILDER_UID="$( id -u )" -e BUILDER_GID="$( id -g )" -e BUILDER_USER="$( id -un )" -e BUILDER_GROUP="$( id -gn )") |
| fi |
| |
| # Change the PWD when working in Docker on Windows |
| if [ -n "$UBUNTU_ON_WINDOWS" ]; then |
| WSL_ROOT="/mnt/" |
| CFG_FILE=/etc/wsl.conf |
| if [ -f "$CFG_FILE" ]; then |
| CFG_CONTENT=$(cat $CFG_FILE | sed -r '/[^=]+=[^=]+/!d' | sed -r 's/\s+=\s/=/g') |
| eval "$CFG_CONTENT" |
| if [ -n "$root" ]; then |
| WSL_ROOT=$root |
| fi |
| fi |
| HOST_PWD=`pwd -P` |
| HOST_PWD=${HOST_PWD/$WSL_ROOT//} |
| elif [ -n "$MSYS" ]; then |
| HOST_PWD=$PWD |
| HOST_PWD=${HOST_PWD/\//} |
| HOST_PWD=${HOST_PWD/\//:\/} |
| else |
| HOST_PWD=$PWD |
| [ -L $HOST_PWD ] && HOST_PWD=$(readlink $HOST_PWD) |
| fi |
| |
| # Mount Additional Volumes |
| if [ -z "$SSH_DIR" ]; then |
| SSH_DIR="$HOME/.ssh" |
| fi |
| |
| HOST_VOLUMES= |
| if [ -e "$SSH_DIR" -a -z "$MSYS" ]; then |
| HOST_VOLUMES+="-v $SSH_DIR:/home/$(id -un)/.ssh" |
| fi |
| |
| #------------------------------------------------------------------------------ |
| # Now, finally, run the command in a container |
| # |
| TTY_ARGS= |
| tty -s && [ -z "$MSYS" ] && TTY_ARGS=-ti |
| CONTAINER_NAME=dockcross_$RANDOM |
| docker run $TTY_ARGS --name $CONTAINER_NAME \ |
| -v "$HOST_PWD":/work \ |
| $HOST_VOLUMES \ |
| "${USER_IDS[@]}" \ |
| $FINAL_ARGS \ |
| $FINAL_IMAGE "$@" |
| run_exit_code=$? |
| |
| # Attempt to delete container |
| rm_output=$(docker rm -f $CONTAINER_NAME 2>&1) |
| rm_exit_code=$? |
| if [[ $rm_exit_code != 0 ]]; then |
| if [[ "$CIRCLECI" == "true" ]] && [[ $rm_output == *"Driver btrfs failed to remove"* ]]; then |
| : # Ignore error because of https://circleci.com/docs/docker-btrfs-error/ |
| else |
| echo "$rm_output" |
| exit $rm_exit_code |
| fi |
| fi |
| |
| exit $run_exit_code |
| |
| ################################################################################ |
| # |
| # This image is not intended to be run manually. |
| # |
| # To create a dockcross helper script for the |
| # dockcross/linux-x86:latest image, run: |
| # |
| # docker run --rm dockcross/linux-x86:latest > dockcross-linux-x86-latest |
| # chmod +x dockcross-linux-x86-latest |
| # |
| # You may then wish to move the dockcross script to your PATH. |
| # |
| ################################################################################ |