Parse multiline strings in main.ts

.github/workflows/workflow.yml

@@ -98,7 +98,7 @@ jobs:
           # Any matrix combinations with latest-nightly should add the appropriate release channel
           - plan:
               ghc: latest-nightly
-            ghcup_release_channels: >
+            ghcup_release_channels: |
               https://ghc.gitlab.haskell.org/ghcup-metadata/ghcup-nightlies-0.0.7.yaml
 
           # Test deprecated release channel still works for now
@@ -110,10 +110,10 @@ jobs:
 
           # Test ghcup release channels
           - os: ubuntu-latest
-            ghcup_release_channels: >
-              https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-0.0.7.yaml,
-              https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.7.yaml,
-              https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-vanilla-0.0.7.yaml,
+            ghcup_release_channels: |
+              https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-0.0.7.yaml
+              https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.7.yaml
+              https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-vanilla-0.0.7.yaml
             plan:
               ghc:   "9.6.0.20230111"
               cabal: "3.8"

README.md

@@ -201,15 +201,15 @@ Notes:
 - `Toggle` inputs are booleans that are false when set as the empty string and true when set to _anything_.
   However, to avoid confusion and for forward compatibility, it is still recommended to **only use value `true` to set a `Toggle` input.**
 
-- Inputs that can take multiple values (like `ghcup-release-channels`) should be specified as a comma separated list, e.g.
+- Inputs that can take multiple values (like `ghcup-release-channels`) should be specified as a multiline list, e.g.
 
   ```yaml
   - uses: haskell-actions/setup@v2
     with:
-      ghcup-release-channels: >
-        https://example.com/channel1,
-        https://example.com/channel2,
-        https://example.com/channel3,
+      ghcup-release-channels: |
+        https://example.com/channel1
+        https://example.com/channel2
+        https://example.com/channel3
   ```
 
 ## Outputs

action.yml

@@ -32,7 +32,7 @@ inputs:
     # which are true as soon as they are not null.
   ghcup-release-channels:
     required: false
-    description: "Release channel URLs to add to ghcup via `ghcup config add-release-channel`."
+    description: "Release channel URLs to add to ghcup via `ghcup config add-release-channel`, as a multiline string"
   ghcup-release-channel:
     required: false
     description: "Deprecated by ghcup-release-channels."

dist/index.js

@@ -13639,7 +13639,7 @@ const getToggleInput = (name) => core.getInput(name) !== '';
     stackNoGlobal: getToggleInput('stack-no-global'),
     stackSetupGhc: getToggleInput('stack-setup-ghc'),
     cabalUpdate: core.getBooleanInput('cabal-update'),
-    ghcupReleaseChannels: core.getInput('ghcup-release-channels'),
+    ghcupReleaseChannels: core.getMultilineInput('ghcup-release-channels'),
     ghcupReleaseChannel: core.getInput('ghcup-release-channel'),
     disableMatcher: getToggleInput('disable-matcher')
 });
@@ -13755,15 +13755,6 @@ function releaseRevision(version, tool, os) {
     return result;
 }
 exports.releaseRevision = releaseRevision;
-/**
- * Parse a string as a comma-separated list.
- */
-function parseCSV(val) {
-    return val
-        .split(',')
-        .map(s => s.trim())
-        .filter(s => s != '');
-}
 function getOpts({ ghc, cabal, stack }, os, inputs) {
     core.debug(`Inputs are: ${JSON.stringify(inputs)}`);
     const stackNoGlobal = inputs.stackNoGlobal ?? false;
@@ -13773,9 +13764,9 @@ function getOpts({ ghc, cabal, stack }, os, inputs) {
     const matcherDisable = inputs.disableMatcher ?? false;
     if (inputs.ghcupReleaseChannel) {
         core.warning('ghcup-release-channel is deprecated in favor of ghcup-release-channels');
-        inputs.ghcupReleaseChannels = inputs.ghcupReleaseChannel;
+        inputs.ghcupReleaseChannels = [inputs.ghcupReleaseChannel];
     }
-    const ghcupReleaseChannels = parseCSV(inputs.ghcupReleaseChannels ?? '').map(v => {
+    const ghcupReleaseChannels = (inputs.ghcupReleaseChannels ?? []).map(v => {
         try {
             return new URL(v);
         }

lib/opts.d.ts

@@ -82,7 +82,7 @@ export type RawInputs = {
     stackNoGlobal?: boolean;
     stackSetupGhc?: boolean;
     cabalUpdate?: boolean;
-    ghcupReleaseChannels?: string;
+    ghcupReleaseChannels?: string[];
     ghcupReleaseChannel?: string;
     disableMatcher?: boolean;
 };

lib/opts.js

@@ -102,15 +102,6 @@ function releaseRevision(version, tool, os) {
     return result;
 }
 exports.releaseRevision = releaseRevision;
-/**
- * Parse a string as a comma-separated list.
- */
-function parseCSV(val) {
-    return val
-        .split(',')
-        .map(s => s.trim())
-        .filter(s => s != '');
-}
 function getOpts({ ghc, cabal, stack }, os, inputs) {
     core.debug(`Inputs are: ${JSON.stringify(inputs)}`);
     const stackNoGlobal = inputs.stackNoGlobal ?? false;
@@ -120,9 +111,9 @@ function getOpts({ ghc, cabal, stack }, os, inputs) {
     const matcherDisable = inputs.disableMatcher ?? false;
     if (inputs.ghcupReleaseChannel) {
         core.warning('ghcup-release-channel is deprecated in favor of ghcup-release-channels');
-        inputs.ghcupReleaseChannels = inputs.ghcupReleaseChannel;
+        inputs.ghcupReleaseChannels = [inputs.ghcupReleaseChannel];
     }
-    const ghcupReleaseChannels = parseCSV(inputs.ghcupReleaseChannels ?? '').map(v => {
+    const ghcupReleaseChannels = (inputs.ghcupReleaseChannels ?? []).map(v => {
         try {
             return new URL(v);
         }

src/main.ts

@@ -11,7 +11,7 @@ run({
   stackNoGlobal: getToggleInput('stack-no-global'),
   stackSetupGhc: getToggleInput('stack-setup-ghc'),
   cabalUpdate: core.getBooleanInput('cabal-update'),
-  ghcupReleaseChannels: core.getInput('ghcup-release-channels'),
+  ghcupReleaseChannels: core.getMultilineInput('ghcup-release-channels'),
   ghcupReleaseChannel: core.getInput('ghcup-release-channel'),
   disableMatcher: getToggleInput('disable-matcher')
 });

src/opts.ts

@@ -117,16 +117,6 @@ export function releaseRevision(version: string, tool: Tool, os: OS): string {
   return result;
 }
 
-/**
- * Parse a string as a comma-separated list.
- */
-function parseCSV(val: string): string[] {
-  return val
-    .split(',')
-    .map(s => s.trim())
-    .filter(s => s != '');
-}
-
 export type RawInputs = {
   ghcVersion?: string;
   cabalVersion?: string;
@@ -135,7 +125,7 @@ export type RawInputs = {
   stackNoGlobal?: boolean;
   stackSetupGhc?: boolean;
   cabalUpdate?: boolean;
-  ghcupReleaseChannels?: string;
+  ghcupReleaseChannels?: string[];
   ghcupReleaseChannel?: string;
   disableMatcher?: boolean;
 };
@@ -157,18 +147,16 @@ export function getOpts(
     core.warning(
       'ghcup-release-channel is deprecated in favor of ghcup-release-channels'
     );
-    inputs.ghcupReleaseChannels = inputs.ghcupReleaseChannel;
+    inputs.ghcupReleaseChannels = [inputs.ghcupReleaseChannel];
   }
 
-  const ghcupReleaseChannels = parseCSV(inputs.ghcupReleaseChannels ?? '').map(
-    v => {
-      try {
-        return new URL(v);
-      } catch (e) {
-        throw new TypeError(`Not a valid URL: ${v}`);
-      }
+  const ghcupReleaseChannels = (inputs.ghcupReleaseChannels ?? []).map(v => {
+    try {
+      return new URL(v);
+    } catch (e) {
+      throw new TypeError(`Not a valid URL: ${v}`);
     }
-  );
+  });
 
   core.debug(`${stackNoGlobal}/${stackSetupGhc}/${stackEnable}`);
   const verInpt = {