hack: add tarball release

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

.gitignore

@@ -1,2 +1,3 @@
 bin
 .tmp
+release-out

.travis.yml

@@ -5,6 +5,7 @@ install:
   - docker run --name buildkit --rm -d --privileged -p 1234:1234 tonistiigi/buildkit --addr tcp://0.0.0.0:1234
   - sudo docker cp buildkit:/usr/bin/buildctl /usr/bin/
   - export BUILDKIT_HOST=tcp://0.0.0.0:1234
+  - git fetch --tags --unshallow
 
 env:
   global:
@@ -24,8 +25,18 @@ deploy:
       repo: moby/buildkit
       branch: master
   - provider: script
-    script: ./hack/release $TRAVIS_TAG tonistiigi/buildkit push
+    script: ./hack/release $TRAVIS_TAG tonistiigi/buildkit push && PLATFORMS="${PLATFORMS},darwin/amd64,windows/amd64" ./hack/release-tar $TRAVIS_TAG release-out
     on:
       repo: moby/buildkit
       tags: true
-      condition: $TRAVIS_TAG =~ ^v[0-9]
+      condition: $TRAVIS_TAG =~ ^v[0-9]
+  - provider: releases
+    api_key:
+      secure: "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"
+    file: release-out/**/*
+    skip_cleanup: true
+    file_glob: true
+    on:
+     repo: moby/buildkit
+     tags: true
+     condition: $TRAVIS_TAG =~ ^v[0-9]

hack/dockerfiles/test.buildkit.Dockerfile

@@ -71,7 +71,7 @@ WORKDIR /go/src/github.com/moby/buildkit
 # scan the version/revision info
 FROM buildkit-base AS buildkit-version
 RUN --mount=target=. \
-  PKG=github.com/moby/buildkit VERSION=$(git describe --match 'v[0-9]*' --dirty='.m' --always) REVISION=$(git rev-parse HEAD)$(if ! git diff --no-ext-diff --quiet --exit-code; then echo .m; fi); \
+  PKG=github.com/moby/buildkit VERSION=$(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;
 

hack/release

@@ -14,7 +14,7 @@ if [ "$CONTINUOUS_INTEGRATION" == "true" ]; then progressFlag="--progress=plain"
 
 
 usage() {
-  echo "usage: ./hack/test <tag> <repo> [push]"
+  echo "usage: ./hack/release <tag> <repo> [push]"
   exit 1
 }
 

hack/release-tar

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+TAG=$1
+OUT=$2
+
+set -eu -o pipefail
+
+: ${PLATFORMS=linux/amd64}
+: ${CONTINUOUS_INTEGRATION=}
+
+progressFlag=""
+if [ "$CONTINUOUS_INTEGRATION" == "true" ]; then progressFlag="--progress=plain"; fi
+
+
+usage() {
+  echo "usage: ./hack/release-tar <tag> <out>"
+  exit 1
+}
+
+if [ -z "$TAG" ] || [ -z "$OUT" ]; then 
+  usage
+fi
+
+
+set -x
+
+buildctl build $progressFlag --frontend=dockerfile.v0 \
+  --local context=. --local dockerfile=. \
+  --frontend-opt filename=./hack/dockerfiles/test.buildkit.Dockerfile \
+  --frontend-opt target=release \
+  --frontend-opt platform=$PLATFORMS \
+  --exporter local \
+  --exporter-opt output=$OUT