Add config option

.github/workflows/test-ghcup.yaml

@@ -24,6 +24,12 @@ jobs:
         with:
           stack-hook: true
           version: ${{ matrix.version }}
+          config: |
+            # see https://github.com/haskell/ghcup-hs/blob/master/data/config.yaml
+            # for full documentation
+            url-source:
+              - GHCupURL
+            verbose: true
 
       - run: ghcup config
       - run: ghcup debug-info

README.md

@@ -45,9 +45,12 @@ jobs:
       - uses: actions/checkout@v4
       - uses: haskell/ghcup-setup@v1
         with:
-          release-channels: |
-            GHCupURL
-            https://raw.githubusercontent.com/haskell/ghcup-metadata/refs/heads/master/ghcup-prereleases-0.0.8.yaml
+          config: |
+            # see https://github.com/haskell/ghcup-hs/blob/master/data/config.yaml
+            # for full documentation
+            url-source:
+              - GHCupURL
+              - prereleases
       - run: |
           ghcup install ghc --set ${{ matrix.ghc }}
           ghcup install cabal --set ${{ matrix.cabal }}
@@ -59,7 +62,7 @@ jobs:
 | Name             | Description                                                     | Type       | Default    |
 |------------------|-----------------------------------------------------------------|------------|------------|
 | version          | GHCup version to install                                        | `string`   | `latest`   |
-| release-channels | Set the release-channels                                        | `string[]` | `GHCupURL` |
+| config           | Set ghcup config                                                | `string[]` | `null`     |
 | stack-hook       | Install the GHCup stack hook (GHCs are installed through ghcup) | `boolean`  | `false`    |
 
 ## Outputs

action.yml

@@ -10,12 +10,14 @@ inputs:
     description: GHCup version to install
     default: latest
   release-channels:
-    description: Set the release-channels
-    default: |
-      GHCupURL
+    description: Set the release-channels (deprecated, use 'config' instead)
+    default: null
   stack-hook:
     description: Install the GHCup stack hook (GHCs are installed through ghcup)
     default: false
+  config:
+    description: GHCup config (partial or full)
+    default: null
 
 outputs:
   path:

ghcup/package.json

@@ -12,6 +12,7 @@
     "@actions/core": "^1.11.1",
     "@actions/exec": "^1.1.1",
     "@actions/io": "^1.1.3",
-    "@actions/tool-cache": "^2.0.1"
+    "@actions/tool-cache": "^2.0.1",
+    "yaml": "^2.7.0"
   }
 }

ghcup/src/index.ts

@@ -1,11 +1,15 @@
 import { main, getInputAsBool } from "./main.ts";
 import core from "@actions/core";
+import YAML from "yaml";
 
 try {
   main({
     version: core.getInput("version"),
     release_channels: core.getMultilineInput("release-channels"),
     stack_hook: getInputAsBool("stack-hook"),
+    config:
+      YAML.parse(core.getInput("config")) ??
+      JSON.parse(core.getInput("config")),
   });
 } catch (error) {
   core.setFailed((error as Error).message);

ghcup/src/main.ts

@@ -124,8 +124,9 @@ export function getInputAsBool(
 
 export type Opts = {
   version: string;
-  release_channels: string[];
+  release_channels?: string[];
   stack_hook: boolean;
+  config?: any;
 };
 
 export async function main(opts: Opts) {
@@ -173,10 +174,19 @@ export async function main(opts: Opts) {
     installStackHook();
   }
 
-  await exec.exec(ghcupPath, [
-    "config",
-    "set",
-    "url-source",
-    JSON.stringify(opts.release_channels),
-  ]);
+  if (opts.config && opts.config.length > 0) {
+    await exec.exec(ghcupPath, ["config", "set", JSON.stringify(opts.config)]);
+  }
+
+  if (opts.release_channels && opts.release_channels.length > 0) {
+    core.warning(
+      "'release-channels' option is deprecated, use 'config' instead!",
+    );
+    await exec.exec(ghcupPath, [
+      "config",
+      "set",
+      "url-source",
+      JSON.stringify(opts.release_channels),
+    ]);
+  }
 }