Merge pull request #137 from sergenyalcin/github-action-cache

Cache the go build cache between CI runs

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Find the Go Build Cache
         id: go
-        run: echo "::set-output name=cache::$(go env GOCACHE)"
+        run: echo "::set-output name=cache::$(make go.cachedir)"
 
       - name: Cache the Go Build Cache
         uses: actions/cache@v2
@@ -105,7 +105,7 @@ jobs:
 
       - name: Find the Go Build Cache
         id: go
-        run: echo "::set-output name=cache::$(go env GOCACHE)"
+        run: echo "::set-output name=cache::$(make go.cachedir)"
 
       - name: Cache the Go Build Cache
         uses: actions/cache@v2
@@ -148,7 +148,7 @@ jobs:
 
       - name: Find the Go Build Cache
         id: go
-        run: echo "::set-output name=cache::$(go env GOCACHE)"
+        run: echo "::set-output name=cache::$(make go.cachedir)"
 
       - name: Cache the Go Build Cache
         uses: actions/cache@v2
@@ -208,7 +208,7 @@ jobs:
 
       - name: Find the Go Build Cache
         id: go
-        run: echo "::set-output name=cache::$(go env GOCACHE)"
+        run: echo "::set-output name=cache::$(make go.cachedir)"
 
       - name: Cache the Go Build Cache
         uses: actions/cache@v2
@@ -270,7 +270,7 @@ jobs:
 
       - name: Find the Go Build Cache
         id: go
-        run: echo "::set-output name=cache::$(go env GOCACHE)"
+        run: echo "::set-output name=cache::$(make go.cachedir)"
 
       - name: Cache the Go Build Cache
         uses: actions/cache@v2

Makefile

@@ -61,6 +61,15 @@ fallthrough: submodules
 	@echo Initial setup complete. Running make again . . .
 	@make
 
+# NOTE: the build submodule currently overrides XDG_CACHE_HOME in order to
+# force the Helm 3 to use the .work/helm directory. This causes Go on Linux
+# machines to use that directory as the build cache as well. We should adjust
+# this behavior in the build submodule because it is also causing Linux users
+# to duplicate their build cache, but for now we just make it easier to identify
+# its location in CI so that we cache between builds.
+go.cachedir:
+	@go env GOCACHE
+
 # Generate a coverage report for cobertura applying exclusions on
 # - generated file
 cobertura: