ubuntu-20.04 is no longer supported

shogo82148 · shogo82148 · commit b282d4e6e775 · 2025-04-16T20:52:29.000+09:00
diff --git a/README.md b/README.md
@@ -60,7 +60,7 @@ test.yaml:5:11: character '\' is invalid for branch and tag names. only special
   |
 5 |       - 'v\d+'
   |           ^~~~
-test.yaml:10:28: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
+test.yaml:10:28: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
    |
 10 |         os: [macos-latest, linux-latest]
    |                            ^~~~~~~~~~~~~
diff --git a/docs/checks.md b/docs/checks.md
@@ -1634,15 +1634,15 @@ jobs:
 Output:
 
 ```
-test.yaml:10:13: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
+test.yaml:10:13: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
    |
 10 |           - linux-latest
    |             ^~~~~~~~~~~~
-test.yaml:16:13: label "gpu" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
+test.yaml:16:13: label "gpu" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
    |
 16 |           - gpu
    |             ^~~
-test.yaml:23:14: label "macos-10.13" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
+test.yaml:23:14: label "macos-10.13" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
    |
 23 |     runs-on: macos-10.13
    |              ^~~~~~~~~~~
diff --git a/rule_runner_label.go b/rule_runner_label.go
@@ -9,8 +9,7 @@ type runnerOSCompat uint
 
 const (
 	compatInvalid                   = 0
-	compatUbuntu2004 runnerOSCompat = 1 << iota
-	compatUbuntu2204
+	compatUbuntu2204 runnerOSCompat = 1 << iota
 	compatUbuntu2404
 	compatMacOS130
 	compatMacOS130L
@@ -41,7 +40,6 @@ var allGitHubHostedRunnerLabels = []string{
 	"ubuntu-24.04-arm",
 	"ubuntu-22.04",
 	"ubuntu-22.04-arm",
-	"ubuntu-20.04",
 	"macos-latest",
 	"macos-latest-xl",
 	"macos-latest-xlarge",
@@ -83,7 +81,6 @@ var defaultRunnerOSCompats = map[string]runnerOSCompat{
 	"ubuntu-24.04-arm":       compatUbuntu2404,
 	"ubuntu-22.04":           compatUbuntu2204,
 	"ubuntu-22.04-arm":       compatUbuntu2204,
-	"ubuntu-20.04":           compatUbuntu2004,
 	"macos-latest-xl":        compatMacOS140XL,
 	"macos-latest-xlarge":    compatMacOS140XL,
 	"macos-latest-large":     compatMacOS140L,
@@ -104,7 +101,7 @@ var defaultRunnerOSCompats = map[string]runnerOSCompat{
 	"windows-2025":           compatWindows2025,
 	"windows-2022":           compatWindows2022,
 	"windows-2019":           compatWindows2019,
-	"linux":                  compatUbuntu2404 | compatUbuntu2204 | compatUbuntu2004, // Note: "linux" does not always indicate Ubuntu. It might be Fedora or Arch or ...
+	"linux":                  compatUbuntu2404 | compatUbuntu2204, // Note: "linux" does not always indicate Ubuntu. It might be Fedora or Arch or ...
 	"macos":                  compatMacOS150 | compatMacOS150L | compatMacOS150XL | compatMacOS140 | compatMacOS140L | compatMacOS140XL | compatMacOS130 | compatMacOS130L | compatMacOS130XL,
 	"windows":                compatWindows2022 | compatWindows2019,
 }
diff --git a/rule_runner_label_test.go b/rule_runner_label_test.go
@@ -16,7 +16,7 @@ func TestRuleRunnerLabelCheckLabels(t *testing.T) {
 		// Normal cases
 		{
 			what:   "simple GH-hosted Linux runner label",
-			labels: []string{"ubuntu-20.04"},
+			labels: []string{"ubuntu-24.04"},
 		},
 		{
 			what:   "simple GH-hosted Windows runner label",
@@ -52,7 +52,7 @@ func TestRuleRunnerLabelCheckLabels(t *testing.T) {
 		},
 		{
 			what:   "self-hosted runner with GH-hosted runner label",
-			labels: []string{"self-hosted", "ubuntu-20.04"},
+			labels: []string{"self-hosted", "ubuntu-24.04"},
 		},
 		{
 			what:   "larger Ubuntu runner",
@@ -223,8 +223,8 @@ func TestRuleRunnerLabelCheckLabels(t *testing.T) {
 		},
 		{
 			what:   "Linux labels conflict",
-			labels: []string{"ubuntu-latest", "ubuntu-20.04"},
-			errs:   []string{`label "ubuntu-20.04" conflicts with label "ubuntu-latest"`},
+			labels: []string{"ubuntu-latest", "ubuntu-24.04"},
+			errs:   []string{`label "ubuntu-24.04" conflicts with label "ubuntu-latest"`},
 		},
 		{
 			what:   "macOS labels conflict",
diff --git a/testdata/err/inputs_without_workflow_call_event.yaml b/testdata/err/inputs_without_workflow_call_event.yaml
@@ -2,6 +2,6 @@ on: push
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - run: echo ${{ inputs.some_input }}
diff --git a/testdata/err/workflow_call_event.yaml b/testdata/err/workflow_call_event.yaml
@@ -51,6 +51,6 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - run: echo ${{ inputs.unknown_input }}
diff --git a/testdata/err/workflow_call_secrets.yaml b/testdata/err/workflow_call_secrets.yaml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       # OK
       - run: echo ${{ secrets.secret0 }}
diff --git a/testdata/examples/workflow_inputs_secrets_types.yaml b/testdata/examples/workflow_inputs_secrets_types.yaml
@@ -13,7 +13,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Send data
         # ERROR: uri is typo of url
diff --git a/testdata/ok/workflow_call_event.yaml b/testdata/ok/workflow_call_event.yaml
@@ -26,7 +26,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - run: |
           echo ${{ inputs.input0 }}

Original file line number	Diff line number	Diff line change
`@@ -60,7 +60,7 @@ test.yaml:5:11: character '\' is invalid for branch and tag names. only special`
`60`	`60`	`\|`
`61`	`61`	`5 \| - 'v\d+'`
`62`	`62`	`\| ^~~~`
`63`		-test.yaml:10:28: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
	`63`	+test.yaml:10:28: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
`64`	`64`	`\|`
`65`	`65`	`10 \| os: [macos-latest, linux-latest]`
`66`	`66`	`\| ^~~~~~~~~~~~~`
Original file line number	Diff line number	Diff line change
`@@ -1634,15 +1634,15 @@ jobs:`
`1634`	`1634`	`Output:`
`1635`	`1635`
`1636`	`1636`	```
`1637`		-test.yaml:10:13: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
	`1637`	+test.yaml:10:13: label "linux-latest" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
`1638`	`1638`	`\|`
`1639`	`1639`	`10 \| - linux-latest`
`1640`	`1640`	`\| ^~~~~~~~~~~~`
`1641`		-test.yaml:16:13: label "gpu" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
	`1641`	+test.yaml:16:13: label "gpu" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
`1642`	`1642`	`\|`
`1643`	`1643`	`16 \| - gpu`
`1644`	`1644`	`\| ^~~`
`1645`		-test.yaml:23:14: label "macos-10.13" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
	`1645`	+test.yaml:23:14: label "macos-10.13" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2025", "windows-2022", "windows-2019", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-24.04", "ubuntu-24.04-arm", "ubuntu-22.04", "ubuntu-22.04-arm", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-15-xlarge", "macos-15-large", "macos-15", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
`1646`	`1646`	`\|`
`1647`	`1647`	`23 \| runs-on: macos-10.13`
`1648`	`1648`	`\| ^~~~~~~~~~~`
Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ func TestRuleRunnerLabelCheckLabels(t *testing.T) {`
`16`	`16`	`// Normal cases`
`17`	`17`	`{`
`18`	`18`	`what: "simple GH-hosted Linux runner label",`
`19`		`- labels: []string{"ubuntu-20.04"},`
	`19`	`+ labels: []string{"ubuntu-24.04"},`
`20`	`20`	`},`
`21`	`21`	`{`
`22`	`22`	`what: "simple GH-hosted Windows runner label",`
`@@ -52,7 +52,7 @@ func TestRuleRunnerLabelCheckLabels(t *testing.T) {`
`52`	`52`	`},`
`53`	`53`	`{`
`54`	`54`	`what: "self-hosted runner with GH-hosted runner label",`
`55`		`- labels: []string{"self-hosted", "ubuntu-20.04"},`
	`55`	`+ labels: []string{"self-hosted", "ubuntu-24.04"},`
`56`	`56`	`},`
`57`	`57`	`{`
`58`	`58`	`what: "larger Ubuntu runner",`
`@@ -223,8 +223,8 @@ func TestRuleRunnerLabelCheckLabels(t *testing.T) {`
`223`	`223`	`},`
`224`	`224`	`{`
`225`	`225`	`what: "Linux labels conflict",`
`226`		`- labels: []string{"ubuntu-latest", "ubuntu-20.04"},`
`227`		- errs: []string{`label "ubuntu-20.04" conflicts with label "ubuntu-latest"`},
	`226`	`+ labels: []string{"ubuntu-latest", "ubuntu-24.04"},`
	`227`	+ errs: []string{`label "ubuntu-24.04" conflicts with label "ubuntu-latest"`},
`228`	`228`	`},`
`229`	`229`	`{`
`230`	`230`	`what: "macOS labels conflict",`