141 lines
3.9 KiB
Bash
141 lines
3.9 KiB
Bash
#!/bin/bash
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# This script is to be sourced in .travis.yaml from the project root directory, do not use it from somewhere else.
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# Creates or loads docker images to use in compilation, creates RUN function to start compilation on the docker image.
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# --get loads the image from a previously saved image cache, will build if no image is found
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# --build builds the image from the Dockerfile in .ci/$NAME
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# --save stores the image, if an image was loaded it will not be stored
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# requires: docker
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# uses env: NAME CACHE BUILD GET SAVE (correspond to args: <name> --set-cache <cache> --build --get --save)
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# sets env: RUN CCACHE_DIR IMAGE_NAME RUN_ARGS RUN_OPTS BUILD_SCRIPT
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# exitcode: 1 for failure, 2 for missing dockerfile, 3 for invalid arguments
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export BUILD_SCRIPT=".ci/travis-compile.sh"
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project_name="cockatrice"
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save_extension=".tar.gz"
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image_cache="image"
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ccache_cache=".ccache"
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# Read arguments
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while [[ "$@" ]]; do
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case "$1" in
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'--build')
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BUILD=1
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shift
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;;
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'--get')
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GET=1
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shift
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;;
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'--save')
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SAVE=1
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shift
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;;
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'--set-cache')
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CACHE=$2
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if ! [[ -d $CACHE ]]; then
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echo "could not find cache path: $CACHE" >&2
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exit 3
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fi
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shift 2
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;;
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*)
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if [[ $1 == -* ]]; then
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echo "unrecognized option: $1"
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return 3
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fi
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NAME="$1"
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shift
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;;
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esac
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done
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# Setup
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if ! [[ $NAME ]]; then
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echo "no build name given" >&2
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return 3
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fi
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export IMAGE_NAME="${project_name,,}_${NAME,,}"
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docker_dir=".ci/$NAME"
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if ! [[ -r $docker_dir/Dockerfile ]]; then
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echo "could not find Dockerfile in $docker_dir" >&2
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return 2 # even if the image is cached, we do not want to run if there is no way to build this image
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fi
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if ! [[ -d $CACHE ]]; then
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echo "could not find cache dir: $CACHE" >&2
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unset CACHE
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else
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if [[ $GET || $SAVE ]]; then
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img_dir="$CACHE/$image_cache"
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img_save="$img_dir/$IMAGE_NAME$save_extension"
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if ! [[ -d $img_dir ]]; then
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echo "could not find image dir: $img_dir" >&2
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mkdir -p "$img_dir"
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fi
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fi
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export CCACHE_DIR="$CACHE/$ccache_cache"
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if ! [[ -d $CCACHE_DIR ]]; then
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echo "could not find ccache dir: $CCACHE_DIR" >&2
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mkdir -p "$CCACHE_DIR"
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fi
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fi
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# Get the docker image from previously stored save
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if [[ $GET ]]; then
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if [[ $img_save ]] && docker load --input "$img_save"; then
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echo "loaded image"
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docker images
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unset BUILD # do not overwrite the loaded image with build
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unset SAVE # do not overwrite the stored image with the same image
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if [[ $(find "$CCACHE_DIR" -type f -print -quit) ]]; then # check contents of ccache
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echo "setting ccache to readonly"
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export RUN_ARGS="$RUN_ARGS -e CCACHE_READONLY=1 -e CCACHE_NOSTATS=1" # do not overwrite ccache
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else
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echo "ccache is empty: $(find "$CCACHE_DIR")" >&2
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fi
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else
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echo "could not load cached image, building instead" >&2
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BUILD=1
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fi
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fi
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# Build the docker image from dockerfile
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if [[ $BUILD ]]; then
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if docker build --tag "$IMAGE_NAME" "$docker_dir"; then
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echo "built image"
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docker images
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else
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echo "could not build image $IMAGE_NAME" >&2
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return 1
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fi
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fi
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# Save docker image to cache (compressed)
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if [[ $SAVE ]]; then
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if [[ $img_save ]] && docker save --output "$img_save" "$IMAGE_NAME"; then
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echo "saved image to: $img_save"
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else
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echo "could not save image $IMAGE_NAME" >&2
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fi
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fi
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# Set compile function, runs the compile script on the image, passes arguments to the script
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function RUN ()
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{
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echo "running image:"
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if docker images | grep "$IMAGE_NAME"; then
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args="--mount type=bind,source=$(pwd),target=/src -w=/src"
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if [[ $CCACHE_DIR ]]; then
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args+=" --mount type=bind,source=$CCACHE_DIR,target=/.ccache -e CCACHE_DIR=/.ccache"
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fi
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docker run $args $RUN_ARGS "$IMAGE_NAME" bash "$BUILD_SCRIPT" $RUN_OPTS $@
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return $?
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else
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echo "could not find docker image: $IMAGE_NAME" >&2
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return 3
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fi
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}
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