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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,278 @@ | ||
| #!/usr/bin/env bash | ||
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| DEFAULT_DOCKCROSS_IMAGE=dockcross/linux-riscv64:latest | ||
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| #------------------------------------------------------------------------------ | ||
| # Helpers | ||
| # | ||
| err() { | ||
| echo -e >&2 "ERROR: $*\n" | ||
| } | ||
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| die() { | ||
| err "$*" | ||
| exit 1 | ||
| } | ||
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| has() { | ||
| # eg. has command update | ||
| local kind=$1 | ||
| local name=$2 | ||
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| type -t $kind:$name | grep -q function | ||
| } | ||
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| # If OCI_EXE is not already set, search for a container executor (OCI stands for "Open Container Initiative") | ||
| if [ -z "$OCI_EXE" ]; then | ||
| if which podman >/dev/null 2>/dev/null; then | ||
| OCI_EXE=podman | ||
| elif which docker >/dev/null 2>/dev/null; then | ||
| OCI_EXE=docker | ||
| else | ||
| die "Cannot find a container executor. Search for docker and podman." | ||
| fi | ||
| fi | ||
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| #------------------------------------------------------------------------------ | ||
| # Command handlers | ||
| # | ||
| command:update-image() { | ||
| $OCI_EXE pull $FINAL_IMAGE | ||
| } | ||
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| help:update-image() { | ||
| echo "Pull the latest $FINAL_IMAGE ." | ||
| } | ||
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| command:update-script() { | ||
| if cmp -s <( $OCI_EXE run --rm $FINAL_IMAGE ) $0; then | ||
| echo "$0 is up to date" | ||
| else | ||
| echo -n "Updating $0 ... " | ||
| $OCI_EXE run --rm $FINAL_IMAGE > $0 && echo ok | ||
| fi | ||
| } | ||
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| help:update-script() { | ||
| echo "Update $0 from $FINAL_IMAGE ." | ||
| } | ||
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| command:update() { | ||
| command:update-image | ||
| command:update-script | ||
| } | ||
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| help:update() { | ||
| echo "Pull the latest $FINAL_IMAGE, and then update $0 from that." | ||
| } | ||
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| 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 | ||
| } | ||
|
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| #------------------------------------------------------------------------------ | ||
| # Option processing | ||
| # | ||
| special_update_command='' | ||
| while [[ $# != 0 ]]; do | ||
| case $1 in | ||
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| --) | ||
| shift | ||
| break | ||
| ;; | ||
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| --args|-a) | ||
| ARG_ARGS="$2" | ||
| shift 2 | ||
| ;; | ||
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| --config|-c) | ||
| ARG_CONFIG="$2" | ||
| shift 2 | ||
| ;; | ||
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| --image|-i) | ||
| ARG_IMAGE="$2" | ||
| shift 2 | ||
| ;; | ||
| update|update-image|update-script) | ||
| special_update_command=$1 | ||
| break | ||
| ;; | ||
| -*) | ||
| err Unknown option \"$1\" | ||
| command:help | ||
| exit | ||
| ;; | ||
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| *) | ||
| break | ||
| ;; | ||
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| esac | ||
| done | ||
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| # The precedence for options is: | ||
| # 1. command-line arguments | ||
| # 2. environment variables | ||
| # 3. defaults | ||
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| # Source the config file if it exists | ||
| DEFAULT_DOCKCROSS_CONFIG=~/.dockcross | ||
| FINAL_CONFIG=${ARG_CONFIG-${DOCKCROSS_CONFIG-$DEFAULT_DOCKCROSS_CONFIG}} | ||
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| [[ -f "$FINAL_CONFIG" ]] && source "$FINAL_CONFIG" | ||
|
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| # Set the docker image | ||
| FINAL_IMAGE=${ARG_IMAGE-${DOCKCROSS_IMAGE-$DEFAULT_DOCKCROSS_IMAGE}} | ||
|
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| # Handle special update command | ||
| if [ "$special_update_command" != "" ]; then | ||
| case $special_update_command in | ||
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| update) | ||
| command:update | ||
| exit $? | ||
| ;; | ||
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| update-image) | ||
| command:update-image | ||
| exit $? | ||
| ;; | ||
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| update-script) | ||
| command:update-script | ||
| exit $? | ||
| ;; | ||
|
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| esac | ||
| fi | ||
|
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| # Set the docker run extra args (if any) | ||
| FINAL_ARGS=${ARG_ARGS-${DOCKCROSS_ARGS}} | ||
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| # Bash on Ubuntu on Windows | ||
| UBUNTU_ON_WINDOWS=$([ -e /proc/version ] && grep -l Microsoft /proc/version || echo "") | ||
| # MSYS, Git Bash, etc. | ||
| MSYS=$([ -e /proc/version ] && grep -l MINGW /proc/version || echo "") | ||
| # CYGWIN | ||
| CYGWIN=$([ -e /proc/version ] && grep -l CYGWIN /proc/version || echo "") | ||
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| if [ -z "$UBUNTU_ON_WINDOWS" -a -z "$MSYS" -a "$OCI_EXE" != "podman" ]; then | ||
| USER_IDS=(-e BUILDER_UID="$( id -u )" -e BUILDER_GID="$( id -g )" -e BUILDER_USER="$( id -un )" -e BUILDER_GROUP="$( id -gn )") | ||
| fi | ||
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| # Change the PWD when working in Docker on Windows | ||
| if [ -n "$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/\//:\/} | ||
| elif [ -n "$CYGWIN" ]; then | ||
| for f in pwd readlink cygpath ; do | ||
| test -n "$(type "${f}" )" || { echo >&2 "Missing functionality (${f}) (in cygwin)." ; exit 1 ; } ; | ||
| done ; | ||
| HOST_PWD="$( cygpath -w "$( readlink -f "$( pwd ;)" ; )" ; )" ; | ||
| else | ||
| HOST_PWD=$PWD | ||
| [ -L $HOST_PWD ] && HOST_PWD=$(readlink $HOST_PWD) | ||
| fi | ||
|
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| # Mount Additional Volumes | ||
| if [ -z "$SSH_DIR" ]; then | ||
| SSH_DIR="$HOME/.ssh" | ||
| fi | ||
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| HOST_VOLUMES= | ||
| if [ -e "$SSH_DIR" -a -z "$MSYS" ]; then | ||
| if test -n "${CYGWIN}" ; then | ||
| HOST_VOLUMES+="-v $(cygpath -w ${SSH_DIR} ; ):/home/$(id -un)/.ssh" ; | ||
| else | ||
| HOST_VOLUMES+="-v $SSH_DIR:/home/$(id -un)/.ssh" ; | ||
| fi ; | ||
| fi | ||
|
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| #------------------------------------------------------------------------------ | ||
| # Now, finally, run the command in a container | ||
| # | ||
| TTY_ARGS= | ||
| tty -s && [ -z "$MSYS" ] && TTY_ARGS=-ti | ||
| CONTAINER_NAME=dockcross_$RANDOM | ||
| $OCI_EXE run $TTY_ARGS --name $CONTAINER_NAME \ | ||
| -v "$HOST_PWD":/work \ | ||
| $HOST_VOLUMES \ | ||
| "${USER_IDS[@]}" \ | ||
| $FINAL_ARGS \ | ||
| $FINAL_IMAGE "$@" | ||
| run_exit_code=$? | ||
|
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| # Attempt to delete container | ||
| rm_output=$($OCI_EXE 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 | ||
|
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| exit $run_exit_code | ||
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| ################################################################################ | ||
| # | ||
| # This image is not intended to be run manually. | ||
| # | ||
| # To create a dockcross helper script for the | ||
| # dockcross/linux-riscv64:latest image, run: | ||
| # | ||
| # docker run --rm dockcross/linux-riscv64:latest > dockcross-linux-riscv64-latest | ||
| # chmod +x dockcross-linux-riscv64-latest | ||
| # | ||
| # You may then wish to move the dockcross script to your PATH. | ||
| # | ||
| ################################################################################ |
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