ci: enable cache

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

.github/workflows/build.yml

@@ -41,10 +41,16 @@ jobs:
         uses: codecov/codecov-action@v2
         with:
           file: ./coverage/coverage.txt
+      -
+        name: Expose GitHub Runtime
+        uses: crazy-max/ghaction-github-runtime@v1
       -
         name: Build binaries
         run: |
           make release
+        env:
+          CACHE_FROM: type=gha,scope=release
+          CACHE_TO: type=gha,scope=release
       -
         name: Upload artifacts
         uses: actions/upload-artifact@v2

.github/workflows/e2e.yml

@@ -29,6 +29,10 @@ jobs:
         uses: docker/bake-action@v1
         with:
           targets: binaries
+          set: |
+            *.cache-from=type=gha,scope=release
+            *.cache-from=type=gha,scope=binaries
+            *.cache-to=type=gha,scope=binaries
       -
         name: Rename binary
         run: |

Dockerfile

@@ -44,13 +44,13 @@ FROM scratch AS test-coverage
 COPY --from=test /tmp/coverage.txt /coverage.txt
 
 FROM scratch AS binaries-unix
-COPY --from=buildx-build /usr/bin/buildx /
+COPY --link --from=buildx-build /usr/bin/buildx /
 
 FROM binaries-unix AS binaries-darwin
 FROM binaries-unix AS binaries-linux
 
 FROM scratch AS binaries-windows
-COPY --from=buildx-build /usr/bin/buildx /buildx.exe
+COPY --link --from=buildx-build /usr/bin/buildx /buildx.exe
 
 FROM binaries-$TARGETOS AS binaries
 

hack/release

@@ -4,9 +4,22 @@ set -eu -o pipefail
 
 : ${BUILDX_CMD=docker buildx}
 : ${RELEASE_OUT=./release-out}
+: ${CACHE_FROM=}
+: ${CACHE_TO=}
+
+if [ -n "$CACHE_FROM" ]; then
+  for cfrom in $CACHE_FROM; do
+    cacheFlags+=(--set "*.cache-from=$cfrom")
+  done
+fi
+if [ -n "$CACHE_TO" ]; then
+  for cto in $CACHE_TO; do
+    cacheFlags+=(--set "*.cache-to=$cto")
+  done
+fi
 
 # release
-(set -x ; ${BUILDX_CMD} bake --set "*.output=$RELEASE_OUT" release)
+(set -x ; ${BUILDX_CMD} bake "${cacheFlags[@]}" --set "*.output=$RELEASE_OUT" release)
 
 # wrap binaries
 mv -f ./${RELEASE_OUT}/**/* ./${RELEASE_OUT}/