bake(e2e): simple test for sync-output flag

Signed-off-by: CrazyMax <[email protected]>

.github/workflows/e2e.yml

@@ -168,3 +168,36 @@ jobs:
  DRIVER_OPT: ${{ matrix.driver-opt }}
  ENDPOINT: ${{ matrix.endpoint }}
  PLATFORMS: ${{ matrix.platforms }}
+
+ cases:
+ runs-on: ubuntu-20.04
+ needs:
+ - build
+ strategy:
+ fail-fast: false
+ matrix:
+ case:
+ - bake-sync-output
+ steps:
+ -
+ name: Checkout
+ uses: actions/checkout@v3
+ -
+ name: Install buildx
+ uses: actions/download-artifact@v3
+ with:
+ name: binary
+ path: /home/runner/.docker/cli-plugins
+ -
+ name: Fix perms and check
+ run: |
+ chmod +x /home/runner/.docker/cli-plugins/docker-buildx
+ docker buildx version
+ -
+ name: Set up Docker Buildx
+ uses: docker/setup-buildx-action@v2
+ -
+ name: Test
+ working-directory: ./test/${{ matrix.case }}
+ run: |
+ ./test.sh

test/bake-sync-output/.gitignore

@@ -0,0 +1 @@
+/out

test/bake-sync-output/bar.Dockerfile

@@ -0,0 +1,5 @@
+FROM busybox
+RUN echo bar > /bar
+
+FROM scratch
+COPY --from=0 /bar /bar

test/bake-sync-output/docker-bake.hcl

@@ -0,0 +1,13 @@
+group "default" {
+ targets = ["foo", "bar"]
+}
+
+target "foo" {
+ dockerfile = "foo.Dockerfile"
+ output = ["out"]
+}
+
+target "bar" {
+ dockerfile = "bar.Dockerfile"
+ output = ["out"]
+}

test/bake-sync-output/foo.Dockerfile

@@ -0,0 +1,5 @@
+FROM busybox
+RUN echo foo > /foo
+
+FROM scratch
+COPY --from=0 /foo /foo

test/bake-sync-output/test.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -ex
+
+rm -rf ./out
+
+docker buildx bake --print
+docker buildx bake --sync-output
+
+if [[ ! -f ./out/foo || ! -f ./out/bar ]]; then
+ echo >&2 "error: missing output files"
+ exit 1
+fi