Always use WSLv2 as default WSL version

Vampire · Vampire · commit e8402925b124 · 2025-07-01T11:08:12.000+02:00
diff --git a/README.md b/README.md
@@ -6,7 +6,7 @@ Setup WSL
 
 A GitHub action to install and setup a Linux distribution for the Windows Subsystem for Linux (WSL).
 
-Beginning with `windows-2019` virtual environment for GitHub actions, WSLv1 is enabled.
+Beginning with `windows-2019` virtual environment for GitHub actions, WSLv1 was enabled.
 Beginning with later `windows-2022` virtual environment version for GitHub actions, WSLv2 is also available.
 However, there is no Linux distribution installed by default and there is also no easy shell for
 `run` steps that executes commands within a WSL distribution.
@@ -334,13 +334,11 @@ work or break, so issues a warning for the action run. Currently, WSLv1 and WSLv
 issue a warning. If a new WSL version is available and your workflow works with it, please report an issue
 so that proper tests can be added and the warning for that version removed.
 
-**Default value:**
-* `1` if running on `windows-2019` virtual environment as this is not yet supporting WSLv2
-* `2` if not running on `windows-2019` virtual environment
+**Default value:** `2`
 
 _**Example:**_
 ```yaml
-- uses: Vampire/setup-wsl@v3
+- uses: Vampire/setup-wsl@v5
   with:
     wsl-version: 1
 ```
diff --git a/action.yml b/action.yml
@@ -100,10 +100,8 @@ inputs:
             work or break, so issues a warning for the action run. Currently, WSLv1 and WSLv2 are tested and do not
             issue a warning. If a new WSL version is available and your workflow works with it, please report an issue
             so that proper tests can be added and the warning for that version removed.
-            Default is '1' if running on 'windows-2019' virtual environment as this is not yet supporting WSLv2.
-            Default is '2' if not running on 'windows-2019' virtual environment.
         required: false
-        default: 1 | 2
+        default: '2'
 
 outputs:
     wsl-shell-wrapper-path:
diff --git a/readme/README.md.sha256 b/readme/README.md.sha256
@@ -1 +1 @@
-9c643460e0cd667e80b44c96e7fea9802d5b1d0be3b5f521aca2ac5c11d274c8
+99507fe69f9ee85368676c3b46bb44f6fb8646a3cd1043e30a08e967582a766b
diff --git a/readme/README_template.md b/readme/README_template.md
@@ -6,7 +6,7 @@ Setup WSL
 
 A GitHub action to install and setup a Linux distribution for the Windows Subsystem for Linux (WSL).
 
-Beginning with `windows-2019` virtual environment for GitHub actions, WSLv1 is enabled.
+Beginning with `windows-2019` virtual environment for GitHub actions, WSLv1 was enabled.
 Beginning with later `windows-2022` virtual environment version for GitHub actions, WSLv2 is also available.
 However, there is no Linux distribution installed by default and there is also no easy shell for
 `run` steps that executes commands within a WSL distribution.
@@ -334,13 +334,11 @@ work or break, so issues a warning for the action run. Currently, WSLv1 and WSLv
 issue a warning. If a new WSL version is available and your workflow works with it, please report an issue
 so that proper tests can be added and the warning for that version removed.
 
-**Default value:**
-* `1` if running on `windows-2019` virtual environment as this is not yet supporting WSLv2
-* `2` if not running on `windows-2019` virtual environment
+**Default value:** `2`
 
 _**Example:**_
 ```yaml
-- uses: Vampire/setup-wsl@v3
+- uses: Vampire/setup-wsl@v$majorVersion
   with:
     wsl-version: 1
 ```
diff --git a/src/jsMain/kotlin/net/kautler/github/action/setup_wsl/SetupWsl.kt b/src/jsMain/kotlin/net/kautler/github/action/setup_wsl/SetupWsl.kt
@@ -245,25 +245,23 @@ val wslShellCommand by lazy {
 }
 
 val wslVersion = GlobalScope.async(start = LAZY) {
-    when (val input = getInput("wsl-version", InputOptions(required = true))) {
-        "1 | 2" -> if (wslHelp().contains("--set-default-version")) 2u else 1u
-        else -> {
-            input.toUIntOrNull().also { wslVersion ->
-                when (wslVersion) {
-                    null, 0u -> error("'$input' is not a valid positive integer for 'wsl-version'.")
-                    1u -> Unit
-                    else -> {
-                        check(wslHelp().contains("--set-default-version")) {
-                            "This Windows environment only has WSLv1 available but WSLv$wslVersion was requested, please verify your 'runs-on' and 'wsl-version' settings"
-                        }
-                        if (wslVersion > 2u) {
-                            warning("WSLv$wslVersion is untested, if it works with your workflow please open an issue to get the version tested and this warning removed")
-                        }
+    val input = getInput("wsl-version", InputOptions(required = true))
+    input
+        .toUIntOrNull()
+        .also { wslVersion ->
+            when (wslVersion) {
+                null, 0u -> error("'$input' is not a valid positive integer for 'wsl-version'.")
+                1u -> Unit
+                else -> {
+                    check(wslHelp().contains("--set-default-version")) {
+                        "This Windows environment only has WSLv1 available but WSLv$wslVersion was requested, please verify your 'runs-on' and 'wsl-version' settings"
+                    }
+                    if (wslVersion > 2u) {
+                        warning("WSLv$wslVersion is untested, if it works with your workflow please open an issue to get the version tested and this warning removed")
                     }
                 }
             }
         }
-    }
 }
 
 val wslShellName by lazy {

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-9c643460e0cd667e80b44c96e7fea9802d5b1d0be3b5f521aca2ac5c11d274c8`
	`1`	`+99507fe69f9ee85368676c3b46bb44f6fb8646a3cd1043e30a08e967582a766b`