GitHub Actions for test

.github/workflows/build.yml

@@ -0,0 +1,90 @@
+name: build
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'master'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'master'
+
+env:
+  REPO_SLUG_ORIGIN: "moby/buildkit:master"
+  CACHEKEY_BINARIES: "binaries"
+
+jobs:
+  base:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Cache ${{ env.CACHEKEY_BINARIES }}
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+          key: ${{ runner.os }}-buildx-${{ env.CACHEKEY_BINARIES }}-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-${{ env.CACHEKEY_BINARIES }}-
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          driver-opts: image=${{ env.REPO_SLUG_ORIGIN }}
+      -
+        name: Build ${{ env.CACHEKEY_BINARIES }}
+        run: |
+          ./hack/build_ci_first_pass binaries
+        env:
+          CACHEDIR_FROM: /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+          CACHEDIR_TO: /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}-new
+      -
+        # FIXME: Temp fix for https://github.com/moby/buildkit/issues/1850
+        name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+          mv /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}-new /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+
+  test:
+    runs-on: ubuntu-latest
+    needs: [base]
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Cache ${{ env.CACHEKEY_BINARIES }}
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+          key: ${{ runner.os }}-buildx-${{ env.CACHEKEY_BINARIES }}-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-${{ env.CACHEKEY_BINARIES }}-
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          driver-opts: image=${{ env.REPO_SLUG_ORIGIN }}
+      -
+        name: Test
+        run: |
+          make test
+        env:
+          TEST_COVERAGE: 1
+          TESTFLAGS: -v --parallel=6 --timeout=20m
+          CACHEDIR_FROM: /tmp/.buildkit-cache/${{ env.CACHEKEY_BINARIES }}
+      -
+        name: Send to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          file: ./coverage/coverage.txt

.github/workflows/godev.yml

@@ -0,0 +1,25 @@
+# Workflow used to make a request to proxy.golang.org to refresh cache on https://pkg.go.dev/github.com/docker/buildx
+# when a released of buildx is produced
+name: godev
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.13
+      -
+        name: Call pkg.go.dev
+        run: |
+          go get github.com/${GITHUB_REPOSITORY}@${GITHUB_REF#refs/tags/}
+        env:
+          GO111MODULE: on
+          GOPROXY: https://proxy.golang.org

.gitignore

@@ -1,2 +1,3 @@
 bin
-cross-out
+coverage
+cross-out

README.md

@@ -1,9 +1,13 @@
 # buildx
-### Docker CLI plugin for extended build capabilities with BuildKit
 
-_buildx is Tech Preview_
+[![PkgGoDev](https://img.shields.io/badge/go.dev-docs-007d9c?logo=go&logoColor=white)](https://pkg.go.dev/github.com/docker/buildx)
+[![Build Status](https://github.com/docker/buildx/workflows/build/badge.svg)](https://github.com/docker/buildx/actions?query=workflow%3Abuild)
+[![Go Report Card](https://goreportcard.com/badge/github.com/docker/buildx)](https://goreportcard.com/report/github.com/docker/buildx)
+[![codecov](https://codecov.io/gh/docker/buildx/branch/master/graph/badge.svg)](https://codecov.io/gh/docker/buildx)
 
-### TL;DR
+`buildx` is a Docker CLI plugin for extended build capabilities with [BuildKit](https://github.com/moby/buildkit).
+
+Key features:
 
 - Familiar UI from `docker build`
 - Full BuildKit capabilities with container driver

codecov.yml

@@ -0,0 +1 @@
+comment: false

hack/build_ci_first_pass

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+TYP=$1
+
+. $(dirname $0)/util
+set -e
+
+usage() {
+  echo "usage: ./hack/build_ci_first_pass <binaries>"
+  exit 1
+}
+
+if [ -z "$TYP" ]; then
+  usage
+fi
+
+importCacheFlags=""
+exportCacheFlags=""
+if [ "$GITHUB_ACTIONS" = "true" ]; then
+  if [ -n "$cacheRefFrom" ]; then
+    importCacheFlags="--cache-from=type=local,src=$cacheRefFrom"
+  fi
+  if [ -n "$cacheRefTo" ]; then
+    exportCacheFlags="--cache-to=type=local,dest=$cacheRefTo"
+  fi
+fi
+
+case $TYP in
+  "binaries")
+    buildxCmd build $importCacheFlags $exportCacheFlags \
+      --target "binaries" \
+      $currentcontext
+    ;;
+  *)
+    echo >&2 "Unknown type $TYP"
+    exit 1
+    ;;
+esac

hack/test

@@ -3,51 +3,45 @@
 . $(dirname $0)/util
 set -eu -o pipefail
 
-: ${CONTINUOUS_INTEGRATION=}
 : ${BUILDX_NOCACHE=}
-
-progressFlag=""
-if [ "$CONTINUOUS_INTEGRATION" == "true" ]; then progressFlag="--progress=plain"; fi
+: ${TEST_COVERAGE=}
+
+importCacheFlags=""
+if [ -n "$cacheRefFrom" ]; then
+  if [ "$cacheType" = "local" ]; then
+    for ref in $cacheRefFrom; do
+      importCacheFlags="$importCacheFlags--cache-from=type=local,src=$ref "
+    done
+  fi
+fi
 
 iid="buildx-tests"
 iidfile=$(mktemp -t docker-iidfile.XXXXXXXXXX)
-set -x
-
-case $buildmode in
-"buildkit")
-  tmpfile=$(mktemp -t docker-iidfile.XXXXXXXXXX)
-  buildctl build $progressFlag --frontend=dockerfile.v0 \
-    --local context=. --local dockerfile=. \
-    --frontend-opt target=integration-tests \
-    --output type=docker,name=$iid,dest=$tmpfile
-  docker load -i $tmpfile
-  rm $tmpfile
-  ;;
-"docker-buildkit")
-  export DOCKER_BUILDKIT=1
-  docker build --iidfile $iidfile --target integration-tests --force-rm .
-  iid=$(cat $iidfile)
-  ;;
-*)
-  echo "docker with buildkit support is required"
-  exit 1
-  ;;
-esac
+
+coverageVol=""
+coverageFlags=""
+if [ "$TEST_COVERAGE" = "1" ]; then
+  covdir="$(pwd)/coverage"
+  mkdir -p "$covdir"
+  coverageVol="-v $covdir:/coverage"
+  coverageFlags="-coverprofile=/coverage/coverage.txt -covermode=atomic"
+fi
+
+buildxCmd build $importCacheFlags \
+  --target "integration-tests" \
+  --output "type=docker,name=$iid" \
+  $currentcontext
 
 cacheVolume="buildx-cache"
-if ! docker inspect "$cacheVolume" > /dev/null 2>&1 ; then
-cacheVolume=$(docker create --name=buildx-cache -v /root/.cache -v /go/pkg/mod alpine)
+if ! docker inspect "$cacheVolume" > /dev/null 2>&1; then
+  cacheVolume=$(docker create --name=buildx-cache -v /root/.cache -v /go/pkg/mod alpine)
 fi
 
-docker run --rm -v /tmp --volumes-from=$cacheVolume --privileged $iid go test ${TESTFLAGS:--v} ${TESTPKGS:-./...}
+docker run --rm -v /tmp $coverageVol --volumes-from=$cacheVolume --privileged $iid go test $coverageFlags ${TESTFLAGS:--v} ${TESTPKGS:-./...}
 
 if [ -n "$BUILDX_NOCACHE" ]; then
   docker rm -v $cacheVolume
 fi
 
-case $buildmode in
-"docker-buildkit")
-  rm "$iidfile"
-  docker rmi $iid
-  ;;
-esac
+rm "$iidfile"
+docker rmi $iid

hack/util

@@ -4,6 +4,9 @@
 : ${PREFER_BUILDCTL=}
 : ${PREFER_LEGACY=}
 : ${CLI_PLATFORM=}
+: ${GITHUB_ACTIONS=}
+: ${CACHEDIR_FROM=}
+: ${CACHEDIR_TO=}
 
 newerEqualThan() { # $1=minimum wanted version $2=actual-version
   [ "$1" = "$(printf "$1\n$2" | sort -V | head -n 1)" ]
@@ -54,3 +57,19 @@ if [ -z "$CLI_PLATFORM" ]; then
     CLI_PLATFORM="windows/amd64"
   fi
 fi
+
+cacheType=""
+cacheRefFrom=""
+cacheRefTo=""
+currentref=""
+if [ "$GITHUB_ACTIONS" = "true" ]; then
+  currentref="git://github.com/$GITHUB_REPOSITORY#$GITHUB_REF"
+  cacheType="local"
+  cacheRefFrom="$CACHEDIR_FROM"
+  cacheRefTo="$CACHEDIR_TO"
+fi
+
+currentcontext="."
+if [ -n "$currentref" ]; then
+  currentcontext="--build-arg BUILDKIT_CONTEXT_KEEP_GIT_DIR=1 $currentref"
+fi