Upgrade to go120

.github/workflows/build.yaml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: ['1.18', '1.19']
+        go-version: ['1.19', '1.20']
     name: Build ${{ matrix.go-version }}
     runs-on: ubuntu-latest
 

.github/workflows/e2e.yaml

@@ -19,7 +19,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-go@v3
       with:
-        go-version: 1.18
+        go-version: '1.20'
         check-latest: true
 
     - name: Build and run ko container
@@ -37,11 +37,11 @@ jobs:
         KO_DOCKER_REPO="" go run ./ build --push=false ./test | grep ":latest@sha256:"
         KO_DOCKER_REPO="" go run ./ build --push=false -t test ./test | grep ":test@sha256:"
         KO_DOCKER_REPO="" go run ./ build --push=false -t test --tag-only ./test | grep ":test$"
-        
+
         # Check that using sbom-dir works.
         KO_DOCKER_REPO=""  go run ./ build -t test --push=false --sbom-dir ./sbom-data ./test
         jq . ./sbom-data/test.spdx.json
-        
+
         export PLATFORM=${GOOS}/${GOARCH}
 
         if [[ "${{ matrix.platform }}" == "windows-latest" ]]; then

.github/workflows/image.yaml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: sigstore/cosign-installer@v3.0.1
 

.github/workflows/kind-e2e.yaml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v3
       with:
-        go-version: 1.18
+        go-version: '1.20'
         check-latest: true
 
     - uses: actions/checkout@v3

.github/workflows/modules-integration-test.yaml

@@ -9,7 +9,7 @@ jobs:
     name: Module Tests
     strategy:
       matrix:
-        go-version: [1.18, 1.19]
+        go-version: ['1.19', '1.20']
 
     runs-on: 'ubuntu-latest'
     steps:

.github/workflows/registries.yaml

@@ -17,7 +17,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-go@v3
       with:
-        go-version: 1.18
+        go-version: '1.20'
         check-latest: true
     - env:
         QUAY_USERNAME: ko-testing+test
@@ -35,7 +35,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-go@v3
       with:
-        go-version: 1.18
+        go-version: '1.20'
         check-latest: true
     - env:
         DOCKERHUB_USERNAME: kotesting
@@ -65,7 +65,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
 
       - name: Install ko

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
       - run: git fetch --prune --unshallow
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: goreleaser/goreleaser-action@v4.2.0
         id: run-goreleaser
@@ -42,7 +42,7 @@ jobs:
       - run: git fetch --prune --unshallow
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: imjasonh/setup-ko@v0.6 # This installs the current latest release.
       - uses: sigstore/cosign-installer@v3.0.1

.github/workflows/sbom.yaml

@@ -18,7 +18,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: chainguard-dev/actions/setup-registry@main
       - uses: sigstore/cosign-installer@v3.0.1
@@ -50,7 +50,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: chainguard-dev/actions/setup-registry@main
       - uses: sigstore/cosign-installer@v3.0.1
@@ -82,7 +82,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: chainguard-dev/actions/setup-registry@main
       - uses: sigstore/cosign-installer@v3.0.1

.github/workflows/style.yaml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: actions/checkout@v3
       - uses: chainguard-dev/actions/gofmt@d886686603afb809f7ef9b734b333e20b7ce5cda
@@ -25,7 +25,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
       - uses: actions/checkout@v3
       - uses: chainguard-dev/actions/goimports@d886686603afb809f7ef9b734b333e20b7ce5cda
@@ -38,7 +38,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
 
       - name: Check out code

.github/workflows/test.yaml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: '1.20'
           check-latest: true
 
       - run: go test -coverprofile=coverage.txt -covermode=atomic -race ./...

.github/workflows/verify.yaml

@@ -11,7 +11,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v3
       with:
-        go-version: 1.18
+        go-version: '1.20'
         check-latest: true
     - uses: actions/checkout@v3
     - name: Verify

go.mod

@@ -1,6 +1,6 @@
 module github.com/google/ko
 
-go 1.18
+go 1.19
 
 require (
 	github.com/awslabs/amazon-ecr-credential-helper/ecr-login v0.0.0-20220517224237-e6f29200ae04