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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,199 @@ | ||
| #!/bin/bash | ||
| DEFAULT_DOCKCROSS_IMAGE=dockcross/linux-s390x | ||
|
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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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| #------------------------------------------------------------------------------ | ||
| # Command handlers | ||
| # | ||
| command:update-image() { | ||
| docker 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 <( docker run $FINAL_IMAGE ) $0; then | ||
| echo $0 is up to date | ||
| else | ||
| echo -n Updating $0 '... ' | ||
| docker run $FINAL_IMAGE > $0 && echo ok | ||
| fi | ||
| } | ||
|
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||
| help:update-image() { | ||
| 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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| --) | ||
| 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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| # If we are not running via boot2docker | ||
| if [ -z $DOCKER_HOST ]; then | ||
| USER_IDS="-e BUILDER_UID=$( id -u ) -e BUILDER_GID=$( id -g ) -e BUILDER_USER=$( id -un ) -e BUILDER_GROUP=$( id -gn )" | ||
| fi | ||
|
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| #------------------------------------------------------------------------------ | ||
| # Now, finally, run the command in a container | ||
| # | ||
| docker run --rm \ | ||
| -v $PWD:/work \ | ||
| $USER_IDS \ | ||
| $FINAL_ARGS \ | ||
| $FINAL_IMAGE "$@" | ||
|
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| ################################################################################ | ||
| # | ||
| # This image is not intended to be run manually. | ||
| # | ||
| # To create a dockcross helper script for the | ||
| # dockcross/linux-armv7 image, run: | ||
| # | ||
| # docker run --rm dockcross/linux-armv7 > dockcross-linux-armv7 | ||
| # chmod +x dockcross-linux-armv7 | ||
| # | ||
| # You may then wish to move the dockcross script to your PATH. | ||
| # | ||
| ################################################################################ |