|
| 1 | +#!/usr/bin/env bash |
| 2 | + |
| 3 | +DEFAULT_DOCKCROSS_IMAGE=dockcross/linux-riscv64:latest |
| 4 | + |
| 5 | +#------------------------------------------------------------------------------ |
| 6 | +# Helpers |
| 7 | +# |
| 8 | +err() { |
| 9 | + echo -e >&2 "ERROR: $*\n" |
| 10 | +} |
| 11 | + |
| 12 | +die() { |
| 13 | + err "$*" |
| 14 | + exit 1 |
| 15 | +} |
| 16 | + |
| 17 | +has() { |
| 18 | + # eg. has command update |
| 19 | + local kind=$1 |
| 20 | + local name=$2 |
| 21 | + |
| 22 | + type -t $kind:$name | grep -q function |
| 23 | +} |
| 24 | + |
| 25 | +# If OCI_EXE is not already set, search for a container executor (OCI stands for "Open Container Initiative") |
| 26 | +if [ -z "$OCI_EXE" ]; then |
| 27 | + if which podman >/dev/null 2>/dev/null; then |
| 28 | + OCI_EXE=podman |
| 29 | + elif which docker >/dev/null 2>/dev/null; then |
| 30 | + OCI_EXE=docker |
| 31 | + else |
| 32 | + die "Cannot find a container executor. Search for docker and podman." |
| 33 | + fi |
| 34 | +fi |
| 35 | + |
| 36 | +#------------------------------------------------------------------------------ |
| 37 | +# Command handlers |
| 38 | +# |
| 39 | +command:update-image() { |
| 40 | + $OCI_EXE pull $FINAL_IMAGE |
| 41 | +} |
| 42 | + |
| 43 | +help:update-image() { |
| 44 | + echo "Pull the latest $FINAL_IMAGE ." |
| 45 | +} |
| 46 | + |
| 47 | +command:update-script() { |
| 48 | + if cmp -s <( $OCI_EXE run --rm $FINAL_IMAGE ) $0; then |
| 49 | + echo "$0 is up to date" |
| 50 | + else |
| 51 | + echo -n "Updating $0 ... " |
| 52 | + $OCI_EXE run --rm $FINAL_IMAGE > $0 && echo ok |
| 53 | + fi |
| 54 | +} |
| 55 | + |
| 56 | +help:update-script() { |
| 57 | + echo "Update $0 from $FINAL_IMAGE ." |
| 58 | +} |
| 59 | + |
| 60 | +command:update() { |
| 61 | + command:update-image |
| 62 | + command:update-script |
| 63 | +} |
| 64 | + |
| 65 | +help:update() { |
| 66 | + echo "Pull the latest $FINAL_IMAGE, and then update $0 from that." |
| 67 | +} |
| 68 | + |
| 69 | +command:help() { |
| 70 | + if [[ $# != 0 ]]; then |
| 71 | + if ! has command $1; then |
| 72 | + err \"$1\" is not an dockcross command |
| 73 | + command:help |
| 74 | + elif ! has help $1; then |
| 75 | + err No help found for \"$1\" |
| 76 | + else |
| 77 | + help:$1 |
| 78 | + fi |
| 79 | + else |
| 80 | + cat >&2 <<ENDHELP |
| 81 | +Usage: dockcross [options] [--] command [args] |
| 82 | +
|
| 83 | +By default, run the given *command* in an dockcross Docker container. |
| 84 | +
|
| 85 | +The *options* can be one of: |
| 86 | +
|
| 87 | + --args|-a Extra args to the *docker run* command |
| 88 | + --image|-i Docker cross-compiler image to use |
| 89 | + --config|-c Bash script to source before running this script |
| 90 | +
|
| 91 | +
|
| 92 | +Additionally, there are special update commands: |
| 93 | +
|
| 94 | + update-image |
| 95 | + update-script |
| 96 | + update |
| 97 | +
|
| 98 | +For update command help use: $0 help <command> |
| 99 | +ENDHELP |
| 100 | + exit 1 |
| 101 | + fi |
| 102 | +} |
| 103 | + |
| 104 | +#------------------------------------------------------------------------------ |
| 105 | +# Option processing |
| 106 | +# |
| 107 | +special_update_command='' |
| 108 | +while [[ $# != 0 ]]; do |
| 109 | + case $1 in |
| 110 | + |
| 111 | + --) |
| 112 | + shift |
| 113 | + break |
| 114 | + ;; |
| 115 | + |
| 116 | + --args|-a) |
| 117 | + ARG_ARGS="$2" |
| 118 | + shift 2 |
| 119 | + ;; |
| 120 | + |
| 121 | + --config|-c) |
| 122 | + ARG_CONFIG="$2" |
| 123 | + shift 2 |
| 124 | + ;; |
| 125 | + |
| 126 | + --image|-i) |
| 127 | + ARG_IMAGE="$2" |
| 128 | + shift 2 |
| 129 | + ;; |
| 130 | + update|update-image|update-script) |
| 131 | + special_update_command=$1 |
| 132 | + break |
| 133 | + ;; |
| 134 | + -*) |
| 135 | + err Unknown option \"$1\" |
| 136 | + command:help |
| 137 | + exit |
| 138 | + ;; |
| 139 | + |
| 140 | + *) |
| 141 | + break |
| 142 | + ;; |
| 143 | + |
| 144 | + esac |
| 145 | +done |
| 146 | + |
| 147 | +# The precedence for options is: |
| 148 | +# 1. command-line arguments |
| 149 | +# 2. environment variables |
| 150 | +# 3. defaults |
| 151 | + |
| 152 | +# Source the config file if it exists |
| 153 | +DEFAULT_DOCKCROSS_CONFIG=~/.dockcross |
| 154 | +FINAL_CONFIG=${ARG_CONFIG-${DOCKCROSS_CONFIG-$DEFAULT_DOCKCROSS_CONFIG}} |
| 155 | + |
| 156 | +[[ -f "$FINAL_CONFIG" ]] && source "$FINAL_CONFIG" |
| 157 | + |
| 158 | +# Set the docker image |
| 159 | +FINAL_IMAGE=${ARG_IMAGE-${DOCKCROSS_IMAGE-$DEFAULT_DOCKCROSS_IMAGE}} |
| 160 | + |
| 161 | +# Handle special update command |
| 162 | +if [ "$special_update_command" != "" ]; then |
| 163 | + case $special_update_command in |
| 164 | + |
| 165 | + update) |
| 166 | + command:update |
| 167 | + exit $? |
| 168 | + ;; |
| 169 | + |
| 170 | + update-image) |
| 171 | + command:update-image |
| 172 | + exit $? |
| 173 | + ;; |
| 174 | + |
| 175 | + update-script) |
| 176 | + command:update-script |
| 177 | + exit $? |
| 178 | + ;; |
| 179 | + |
| 180 | + esac |
| 181 | +fi |
| 182 | + |
| 183 | +# Set the docker run extra args (if any) |
| 184 | +FINAL_ARGS=${ARG_ARGS-${DOCKCROSS_ARGS}} |
| 185 | + |
| 186 | +# Bash on Ubuntu on Windows |
| 187 | +UBUNTU_ON_WINDOWS=$([ -e /proc/version ] && grep -l Microsoft /proc/version || echo "") |
| 188 | +# MSYS, Git Bash, etc. |
| 189 | +MSYS=$([ -e /proc/version ] && grep -l MINGW /proc/version || echo "") |
| 190 | +# CYGWIN |
| 191 | +CYGWIN=$([ -e /proc/version ] && grep -l CYGWIN /proc/version || echo "") |
| 192 | + |
| 193 | +if [ -z "$UBUNTU_ON_WINDOWS" -a -z "$MSYS" -a "$OCI_EXE" != "podman" ]; then |
| 194 | + USER_IDS=(-e BUILDER_UID="$( id -u )" -e BUILDER_GID="$( id -g )" -e BUILDER_USER="$( id -un )" -e BUILDER_GROUP="$( id -gn )") |
| 195 | +fi |
| 196 | + |
| 197 | +# Change the PWD when working in Docker on Windows |
| 198 | +if [ -n "$UBUNTU_ON_WINDOWS" ]; then |
| 199 | + WSL_ROOT="/mnt/" |
| 200 | + CFG_FILE=/etc/wsl.conf |
| 201 | + if [ -f "$CFG_FILE" ]; then |
| 202 | + CFG_CONTENT=$(cat $CFG_FILE | sed -r '/[^=]+=[^=]+/!d' | sed -r 's/\s+=\s/=/g') |
| 203 | + eval "$CFG_CONTENT" |
| 204 | + if [ -n "$root" ]; then |
| 205 | + WSL_ROOT=$root |
| 206 | + fi |
| 207 | + fi |
| 208 | + HOST_PWD=`pwd -P` |
| 209 | + HOST_PWD=${HOST_PWD/$WSL_ROOT//} |
| 210 | +elif [ -n "$MSYS" ]; then |
| 211 | + HOST_PWD=$PWD |
| 212 | + HOST_PWD=${HOST_PWD/\//} |
| 213 | + HOST_PWD=${HOST_PWD/\//:\/} |
| 214 | +elif [ -n "$CYGWIN" ]; then |
| 215 | + for f in pwd readlink cygpath ; do |
| 216 | + test -n "$(type "${f}" )" || { echo >&2 "Missing functionality (${f}) (in cygwin)." ; exit 1 ; } ; |
| 217 | + done ; |
| 218 | + HOST_PWD="$( cygpath -w "$( readlink -f "$( pwd ;)" ; )" ; )" ; |
| 219 | +else |
| 220 | + HOST_PWD=$PWD |
| 221 | + [ -L $HOST_PWD ] && HOST_PWD=$(readlink $HOST_PWD) |
| 222 | +fi |
| 223 | + |
| 224 | +# Mount Additional Volumes |
| 225 | +if [ -z "$SSH_DIR" ]; then |
| 226 | + SSH_DIR="$HOME/.ssh" |
| 227 | +fi |
| 228 | + |
| 229 | +HOST_VOLUMES= |
| 230 | +if [ -e "$SSH_DIR" -a -z "$MSYS" ]; then |
| 231 | + if test -n "${CYGWIN}" ; then |
| 232 | + HOST_VOLUMES+="-v $(cygpath -w ${SSH_DIR} ; ):/home/$(id -un)/.ssh" ; |
| 233 | + else |
| 234 | + HOST_VOLUMES+="-v $SSH_DIR:/home/$(id -un)/.ssh" ; |
| 235 | + fi ; |
| 236 | +fi |
| 237 | + |
| 238 | +#------------------------------------------------------------------------------ |
| 239 | +# Now, finally, run the command in a container |
| 240 | +# |
| 241 | +TTY_ARGS= |
| 242 | +tty -s && [ -z "$MSYS" ] && TTY_ARGS=-ti |
| 243 | +CONTAINER_NAME=dockcross_$RANDOM |
| 244 | +$OCI_EXE run $TTY_ARGS --name $CONTAINER_NAME \ |
| 245 | + -v "$HOST_PWD":/work \ |
| 246 | + $HOST_VOLUMES \ |
| 247 | + "${USER_IDS[@]}" \ |
| 248 | + $FINAL_ARGS \ |
| 249 | + $FINAL_IMAGE "$@" |
| 250 | +run_exit_code=$? |
| 251 | + |
| 252 | +# Attempt to delete container |
| 253 | +rm_output=$($OCI_EXE rm -f $CONTAINER_NAME 2>&1) |
| 254 | +rm_exit_code=$? |
| 255 | +if [[ $rm_exit_code != 0 ]]; then |
| 256 | + if [[ "$CIRCLECI" == "true" ]] && [[ $rm_output == *"Driver btrfs failed to remove"* ]]; then |
| 257 | + : # Ignore error because of https://circleci.com/docs/docker-btrfs-error/ |
| 258 | + else |
| 259 | + echo "$rm_output" |
| 260 | + exit $rm_exit_code |
| 261 | + fi |
| 262 | +fi |
| 263 | + |
| 264 | +exit $run_exit_code |
| 265 | + |
| 266 | +################################################################################ |
| 267 | +# |
| 268 | +# This image is not intended to be run manually. |
| 269 | +# |
| 270 | +# To create a dockcross helper script for the |
| 271 | +# dockcross/linux-riscv64:latest image, run: |
| 272 | +# |
| 273 | +# docker run --rm dockcross/linux-riscv64:latest > dockcross-linux-riscv64-latest |
| 274 | +# chmod +x dockcross-linux-riscv64-latest |
| 275 | +# |
| 276 | +# You may then wish to move the dockcross script to your PATH. |
| 277 | +# |
| 278 | +################################################################################ |
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