hack: move build opts to the dockerfile

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Dockerfile

@@ -71,9 +71,11 @@ EOF
 FROM gobase AS buildx-version
 RUN --mount=type=bind,target=. <<EOT
   set -e
-  mkdir /buildx-version
-  echo -n "$(./hack/git-meta version)" | tee /buildx-version/version
-  echo -n "$(./hack/git-meta revision)" | tee /buildx-version/revision
+  PKG=github.com/docker/buildx
+  VERSION=$(git describe --match 'v[0-9]*' --dirty='.m' --always --tags)
+  REVISION=$(git rev-parse HEAD)$(if ! git diff --no-ext-diff --quiet --exit-code; then echo .m; fi)
+  echo "-X ${PKG}/version.Version=${VERSION} -X ${PKG}/version.Revision=${REVISION} -X ${PKG}/version.Package=${PKG}" | tee /tmp/.ldflags
+  echo -n "${VERSION}" | tee /tmp/.version
 EOT
 
 FROM gobase AS buildx-build
@@ -82,10 +84,9 @@ ARG GO_EXTRA_FLAGS
 RUN --mount=type=bind,target=. \
   --mount=type=cache,target=/root/.cache \
   --mount=type=cache,target=/go/pkg/mod \
-  --mount=type=bind,from=buildx-version,source=/buildx-version,target=/buildx-version <<EOT
-  set -e
-  xx-go --wrap
-  DESTDIR=/usr/bin VERSION=$(cat /buildx-version/version) REVISION=$(cat /buildx-version/revision) GO_EXTRA_LDFLAGS="-s -w" ./hack/build
+  --mount=type=bind,from=buildx-version,source=/tmp/.ldflags,target=/tmp/.ldflags <<EOT
+  set -ex
+  xx-go build -trimpath ${GO_EXTRA_FLAGS} -ldflags "-s -w $(cat /tmp/.ldflags)" -o /usr/bin/docker-buildx ./cmd/buildx
   file /usr/bin/docker-buildx
   xx-verify --static /usr/bin/docker-buildx
 EOT
@@ -153,10 +154,10 @@ FROM --platform=$BUILDPLATFORM alpine:${ALPINE_VERSION} AS releaser
 WORKDIR /work
 ARG TARGETPLATFORM
 RUN --mount=from=binaries \
-  --mount=type=bind,from=buildx-version,source=/buildx-version,target=/buildx-version <<EOT
+  --mount=type=bind,from=buildx-version,source=/tmp/.version,target=/tmp/.version <<EOT
   set -e
   mkdir -p /out
-  cp buildx* "/out/buildx-$(cat /buildx-version/version).$(echo $TARGETPLATFORM | sed 's/\//-/g')$(ls buildx* | sed -e 's/^buildx//')"
+  cp buildx* "/out/buildx-$(cat /tmp/.version).$(echo $TARGETPLATFORM | sed 's/\//-/g')$(ls buildx* | sed -e 's/^buildx//')"
 EOT
 
 FROM scratch AS release

Makefile

@@ -14,8 +14,7 @@ BAKE_TARGETS := binaries binaries-cross lint lint-gopls validate-vendor validate
 all: binaries
 
 .PHONY: build
-build:
-	./hack/build
+build: binaries
 
 .PHONY: shell
 shell:

hack/build

@@ -1,17 +0,0 @@
-#!/usr/bin/env sh
-
-set -e
-
-: "${DESTDIR=./bin/build}"
-: "${PACKAGE=github.com/docker/buildx}"
-: "${VERSION=$(./hack/git-meta version)}"
-: "${REVISION=$(./hack/git-meta revision)}"
-
-: "${CGO_ENABLED=0}"
-: "${GO_PKG=github.com/docker/buildx}"
-: "${GO_EXTRA_FLAGS=}"
-: "${GO_LDFLAGS=-X ${GO_PKG}/version.Version=${VERSION} -X ${GO_PKG}/version.Revision=${REVISION} -X ${GO_PKG}/version.Package=${PACKAGE}}"
-: "${GO_EXTRA_LDFLAGS=}"
-
-set -x
-CGO_ENABLED=$CGO_ENABLED go build -mod vendor -trimpath ${GO_EXTRA_FLAGS} -ldflags "${GO_LDFLAGS} ${GO_EXTRA_LDFLAGS}" -o "${DESTDIR}/docker-buildx" ./cmd/buildx

hack/git-meta

@@ -1,16 +0,0 @@
-#!/usr/bin/env sh
-
-set -e
-
-case $1 in
-  "version")
-    git describe --match 'v[0-9]*' --dirty='.m' --always --tags
-    ;;
-  "revision")
-    echo "$(git rev-parse HEAD)$(if ! git diff --no-ext-diff --quiet --exit-code; then echo .m; fi)"
-    ;;
-  *)
-    echo "usage: ./hack/git-meta <version|revision>"
-    exit 1
-    ;;
-esac