use go1.16's module aware install vs tools.go (#1028)

go.mod

@@ -14,28 +14,25 @@ require (
 	github.com/docker/docker-credential-helpers v0.6.3 // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-units v0.4.0 // indirect
+	github.com/gogo/protobuf v1.3.1 // indirect
 	github.com/google/go-cmp v0.5.2
 	github.com/gorilla/mux v1.7.3 // indirect
 	github.com/kr/text v0.2.0 // indirect
-	github.com/maxbrunsfeld/counterfeiter/v6 v6.2.2
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
-	github.com/onsi/ginkgo v1.12.0 // indirect
-	github.com/onsi/gomega v1.9.0 // indirect
 	github.com/opencontainers/image-spec v1.0.1
 	github.com/sirupsen/logrus v1.6.0 // indirect
 	github.com/spf13/cobra v1.0.0
+	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.6.1 // indirect
+	golang.org/x/net v0.0.0-20201110031124-69a78807bb2b // indirect
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
 	golang.org/x/text v0.3.4 // indirect
 	golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 // indirect
-	golang.org/x/tools v0.0.0-20200916195026-c9a70fc28ce3 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/genproto v0.0.0-20200527145253-8367513e4ece // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v2 v2.3.0 // indirect
 	gotest.tools v2.2.0+incompatible // indirect
-	k8s.io/code-generator v0.19.7
-	k8s.io/gengo v0.0.0-20201113003025-83324d819ded // indirect
-	k8s.io/klog/v2 v2.4.0 // indirect
 )

hack/update-codegen.sh

@@ -19,7 +19,8 @@ set -o nounset
 set -o pipefail
 
 PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
-export BOILER_PLATE_FILE="${PROJECT_ROOT}/hack/boilerplate/boilerplate.go.txt"
+BOILER_PLATE_FILE="${PROJECT_ROOT}/hack/boilerplate/boilerplate.go.txt"
+MODULE_NAME=github.com/google/go-containerregistry
 
 pushd ${PROJECT_ROOT}
 trap popd EXIT
@@ -29,8 +30,23 @@ export PATH="${GOPATH}/bin:${PATH}"
 
 go mod tidy
 go mod vendor
-go run $PROJECT_ROOT/cmd/crane/help/main.go --dir=$PROJECT_ROOT/cmd/crane/doc/
 
-go run ./vendor/github.com/maxbrunsfeld/counterfeiter/v6/ -o pkg/v1/fake/index.go ${PROJECT_ROOT}/pkg/v1 ImageIndex
-go run ./vendor/github.com/maxbrunsfeld/counterfeiter/v6/ -o pkg/v1/fake/image.go ${PROJECT_ROOT}/pkg/v1 Image
-go run ./vendor/k8s.io/code-generator/cmd/deepcopy-gen -O zz_deepcopy_generated --go-header-file $BOILER_PLATE_FILE -i github.com/google/go-containerregistry/pkg/v1
+export GOBIN=$(mktemp -d)
+export PATH="$GOBIN:$PATH"
+
+go install github.com/maxbrunsfeld/counterfeiter/v6@latest
+go install k8s.io/code-generator/cmd/deepcopy-gen@v0.20.7
+
+counterfeiter -o pkg/v1/fake/index.go ${PROJECT_ROOT}/pkg/v1 ImageIndex
+counterfeiter -o pkg/v1/fake/image.go ${PROJECT_ROOT}/pkg/v1 Image
+
+DEEPCOPY_OUTPUT=$(mktemp -d)
+
+deepcopy-gen -O zz_deepcopy_generated --go-header-file $BOILER_PLATE_FILE \
+  --input-dirs "$MODULE_NAME/pkg/v1" \
+  --output-base "$DEEPCOPY_OUTPUT"
+
+# TODO - Generalize this for all directories when we need it
+cp $DEEPCOPY_OUTPUT/$MODULE_NAME/pkg/v1/*.go $PROJECT_ROOT/pkg/v1
+
+go run $PROJECT_ROOT/cmd/crane/help/main.go --dir=$PROJECT_ROOT/cmd/crane/doc/