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17708e72a7
Add a way to specify a custom graphdriver priority list during build. This can be done with something like go build -ldflags "-X github.com/docker/docker/daemon/graphdriver.priority=overlay2,devicemapper" As ldflags are already used by the engine build process, and it seems that only one (last) `-ldflags` argument is taken into account by go, an envoronment variable `DOCKER_LDFLAGS` is introduced in order to be able to append some text to `-ldflags`. With this in place, using the feature becomes make DOCKER_LDFLAGS="-X github.com/docker/docker/daemon/graphdriver.priority=overlay2,devicemapper" dynbinary The idea behind this is, the priority list might be different for different distros, so vendors are now able to change it without patching the source code. Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
68 lines
1.5 KiB
Bash
68 lines
1.5 KiB
Bash
#!/usr/bin/env bash
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set -e
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# a helper to provide ".exe" when it's appropriate
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binary_extension() {
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if [ "$(go env GOOS)" = 'windows' ]; then
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echo -n '.exe'
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fi
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}
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GO_PACKAGE='github.com/docker/docker/cmd/dockerd'
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BINARY_SHORT_NAME='dockerd'
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BINARY_NAME="$BINARY_SHORT_NAME-$VERSION"
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BINARY_EXTENSION="$(binary_extension)"
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BINARY_FULLNAME="$BINARY_NAME$BINARY_EXTENSION"
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source "${MAKEDIR}/.go-autogen"
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hash_files() {
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while [ $# -gt 0 ]; do
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f="$1"
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shift
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dir="$(dirname "$f")"
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base="$(basename "$f")"
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for hashAlgo in md5 sha256; do
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if command -v "${hashAlgo}sum" &> /dev/null; then
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(
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# subshell and cd so that we get output files like:
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# $HASH docker-$VERSION
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# instead of:
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# $HASH /go/src/github.com/.../$VERSION/binary/docker-$VERSION
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cd "$dir"
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"${hashAlgo}sum" "$base" > "$base.$hashAlgo"
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)
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fi
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done
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done
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}
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(
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export GOGC=${DOCKER_BUILD_GOGC:-1000}
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if [ "$(go env GOOS)/$(go env GOARCH)" != "$(go env GOHOSTOS)/$(go env GOHOSTARCH)" ]; then
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# must be cross-compiling!
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case "$(go env GOOS)/$(go env GOARCH)" in
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windows/amd64)
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export CC=x86_64-w64-mingw32-gcc
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export CGO_ENABLED=1
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;;
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esac
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fi
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echo "Building: $DEST/$BINARY_FULLNAME"
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go build \
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-o "$DEST/$BINARY_FULLNAME" \
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"${BUILDFLAGS[@]}" \
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-ldflags "
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$LDFLAGS
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$LDFLAGS_STATIC_DOCKER
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$DOCKER_LDFLAGS
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" \
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$GO_PACKAGE
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)
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echo "Created binary: $DEST/$BINARY_FULLNAME"
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ln -sf "$BINARY_FULLNAME" "$DEST/$BINARY_SHORT_NAME$BINARY_EXTENSION"
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hash_files "$DEST/$BINARY_FULLNAME"
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