Fixes #261 Correctly set default on updateOnlyUnreleased

README.md

@@ -22,13 +22,14 @@ This action will create a GitHub release and optionally upload an artifact to it
 | omitName                   | Indicates if the release name should be omitted.                                                                                                                                                                                                    | false      | false                |
 | omitNameDuringUpdate       | Indicates if the release name should be omitted during updates. The name will still be applied for newly created releases. This will preserve the existing name during updates.                                                                     | false      | false                |
 | omitPrereleaseDuringUpdate | Indicates if the prerelease flag should be omitted during updates. The prerelease flag will still be applied for newly created releases. This will preserve the existing prerelease state during updates.                                           | false      | false                |
-| owner                      | Optionally specify the owner of the repo where the release should be generated. Defaults to current repo's owner.                                                                                                                                    | false      | "current repo owner" |
+| owner                      | Optionally specify the owner of the repo where the release should be generated. Defaults to current repo's owner.                                                                                                                                   | false      | "current repo owner" |
 | prerelease                 | Optionally marks this release as prerelease. Set to true to enable.                                                                                                                                                                                 | false      | ""                   |
 | removeArtifacts            | Indicates if existing release artifacts should be removed.                                                                                                                                                                                          | false      | false                |
 | replacesArtifacts          | Indicates if existing release artifacts should be replaced.                                                                                                                                                                                         | false      | true                 |
 | repo                       | Optionally specify the repo where the release should be generated.                                                                                                                                                                                  | false      | current repo         |
 | tag                        | An optional tag for the release. If this is omitted the git ref will be used (if it is a tag).                                                                                                                                                      | false      | ""                   |
 | token                      | The GitHub token. This will default to the GitHub app token. This is primarily useful if you want to use your personal token (for targeting other repos, etc).  If you are using a personal access token it should have access to the `repo` scope. | false      | github.token         |
+| updateOnlyUnreleased       | When allowUpdates is enabled, this will fail the action if the release it is updating is not a draft or a prerelease.                                                                                                                               | false      | false                |
 
 ## Action Outputs
 | Output name | Description                                   |

__tests__/Action.test.ts

@@ -37,6 +37,7 @@ const updateBody = 'updateBody'
 const updateDraft = false
 const updateName = 'updateName'
 const updatePrerelease = false
+const updateOnlyUnreleased = false
 const url = 'http://api.example.com'
 
 describe("Action", () => {
@@ -317,7 +318,9 @@ describe("Action", () => {
         expect(applyReleaseDataMock).toBeCalledWith({id: releaseId, upload_url: url})
     }
 
-    function createAction(allowUpdates: boolean, hasArtifact: boolean, removeArtifacts: boolean = false): Action {
+    function createAction(allowUpdates: boolean,
+                          hasArtifact: boolean,
+                          removeArtifacts: boolean = false): Action {
         let inputArtifact: Artifact[]
         if (hasArtifact) {
             inputArtifact = artifacts
@@ -379,7 +382,8 @@ describe("Action", () => {
                 updatedDraft: updateDraft,
                 updatedReleaseBody: updateBody,
                 updatedReleaseName: updateName,
-                updatedPrerelease: updatePrerelease
+                updatedPrerelease: updatePrerelease,
+                updateOnlyUnreleased: updateOnlyUnreleased
             }
         })
         const MockOutputs = jest.fn<Outputs, any>(() => {

__tests__/Inputs.test.ts

@@ -430,6 +430,17 @@ describe('Inputs', () => {
         })
     })
 
+    describe('updateOnlyUnreleased', () => {
+        it('returns false', () => {
+            expect(inputs.updateOnlyUnreleased).toBe(false)
+        })
+
+        it('returns true', () => {
+            mockGetInput.mockReturnValueOnce('true')
+            expect(inputs.updateOnlyUnreleased).toBe(true)
+        })
+    })
+
     function createGlobber(): ArtifactGlobber {
         const MockGlobber = jest.fn<ArtifactGlobber, any>(() => {
             return {

__tests__/Integration.test.ts

@@ -57,7 +57,8 @@ describe.skip('Integration Test', () => {
                 updatedDraft: false,
                 updatedReleaseBody: "This release was generated by release-action's integration test",
                 updatedReleaseName: "Releases Action Integration Test",
-                updatedPrerelease: false
+                updatedPrerelease: false,
+                updateOnlyUnreleased: false
             }
         })
         return new MockInputs();

__tests__/ReleaseValidator.test.ts

@@ -0,0 +1,74 @@
+import {ReleaseValidator} from "../src/ReleaseValidator";
+
+describe("validateReleaseUpdate", () => {
+    describe("updateOnlyUnreleased is disabled", () => {
+        const validator = new ReleaseValidator(false)
+        it('should not throw', () => {
+            const releaseResponse = {
+                draft: false,
+                prerelease: false,
+                name: "Name"
+            }
+            expect(() => {
+                validator.validateReleaseUpdate(releaseResponse)
+            }).not.toThrow()
+        })
+    })
+    describe("updateOnlyUnreleased is enabled", () => {
+        const validator = new ReleaseValidator(true)
+        it('should throw if neither draft or prerelease are enabled', () => {
+            const releaseResponse = {
+                draft: false,
+                prerelease: false,
+                name: "Name"
+            }
+            expect(() => {
+                validator.validateReleaseUpdate(releaseResponse)
+            }).toThrow()
+        })
+        
+        it('should not throw if draft is enabled', () => {
+            const releaseResponse = {
+                draft: true,
+                prerelease: false,
+                name: "Name"
+            }
+            expect(() => {
+                validator.validateReleaseUpdate(releaseResponse)
+            }).not.toThrow()
+        })
+
+        it('should not throw if prerelease is enabled', () => {
+            const releaseResponse = {
+                draft: false,
+                prerelease: true,
+                name: "Name"
+            }
+            expect(() => {
+                validator.validateReleaseUpdate(releaseResponse)
+            }).not.toThrow()
+        })
+
+        it('should not throw if draft & prerelease is enabled', () => {
+            const releaseResponse = {
+                draft: true,
+                prerelease: true,
+                name: "Name"
+            }
+            expect(() => {
+                validator.validateReleaseUpdate(releaseResponse)
+            }).not.toThrow()
+        })
+
+        it('should default error message release name to release', () => {
+            const releaseResponse = {
+                draft: false,
+                prerelease: false,
+                name: null
+            }
+            expect(() => {
+                validator.validateReleaseUpdate(releaseResponse)
+            }).toThrow(`Tried to update "release" which is neither a draft or prerelease. (updateOnlyUnreleased is on)`)
+        })
+    })
+})

action.yml

@@ -94,7 +94,7 @@ inputs:
   repo:
     description: "Optionally specify the repo where the release should be generated. Defaults to current repo"
     required: false
-    default: ''  
+    default: ''
   tag:
     description: 'An optional tag for the release. If this is omitted the git ref will be used (if it is a tag).'
     required: false
@@ -103,6 +103,10 @@ inputs:
     description: 'The Github token.'
     required: false
     default: ${{ github.token }}
+  updateOnlyUnreleased:
+    description: "When allowUpdates is enabled, this will fail the action if the release it is updating is not a draft or a prerelease."
+    required: false
+    default: 'false'
 outputs:
   id:
     description: 'The identifier of the created release.'

dist/index.js

@@ -18,6 +18,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Action = void 0;
 const GithubError_1 = __nccwpck_require__(7433);
+const ReleaseValidator_1 = __nccwpck_require__(7579);
 class Action {
     constructor(inputs, outputs, releases, uploader, artifactDestroyer) {
         this.inputs = inputs;
@@ -25,6 +26,7 @@ class Action {
         this.releases = releases;
         this.uploader = uploader;
         this.artifactDestroyer = artifactDestroyer;
+        this.releaseValidator = new ReleaseValidator_1.ReleaseValidator(inputs.updateOnlyUnreleased);
     }
     perform() {
         return __awaiter(this, void 0, void 0, function* () {
@@ -52,6 +54,8 @@ class Action {
                 catch (error) {
                     return yield this.checkForMissingReleaseError(error);
                 }
+                // Fail if this isn't an unreleased release & updateOnlyUnreleased is enabled.
+                this.releaseValidator.validateReleaseUpdate(getResponse.data);
                 return yield this.updateRelease(getResponse.data.id);
             }
             else {
@@ -121,14 +125,14 @@ const fs_1 = __nccwpck_require__(7147);
 class Artifact {
     constructor(path, contentType = "raw") {
         this.path = path;
-        this.name = (0, path_1.basename)(path);
+        this.name = path_1.basename(path);
         this.contentType = contentType;
     }
     get contentLength() {
-        return (0, fs_1.statSync)(this.path).size;
+        return fs_1.statSync(this.path).size;
     }
     readFile() {
-        return (0, fs_1.readFileSync)(this.path);
+        return fs_1.readFileSync(this.path);
     }
 }
 exports.Artifact = Artifact;
@@ -143,11 +147,7 @@ exports.Artifact = Artifact;
 
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -203,11 +203,7 @@ exports.GithubArtifactDestroyer = GithubArtifactDestroyer;
 
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -271,7 +267,7 @@ class FileArtifactGlobber {
         throw Error(`Artifact pattern :${pattern} did not match any files`);
     }
     static expandPath(path) {
-        return (0, untildify_1.default)(path);
+        return untildify_1.default(path);
     }
 }
 exports.FileArtifactGlobber = FileArtifactGlobber;
@@ -286,11 +282,7 @@ exports.FileArtifactGlobber = FileArtifactGlobber;
 
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -328,7 +320,7 @@ class ArtifactPathValidator {
         }
     }
     verifyNotDirectory(path) {
-        const isDir = (0, fs_1.statSync)(path).isDirectory();
+        const isDir = fs_1.statSync(path).isDirectory();
         if (isDir) {
             const message = `Artifact is a directory:${path}. Directories can not be uploaded to a release.`;
             this.reportError(message);
@@ -356,11 +348,7 @@ exports.ArtifactPathValidator = ArtifactPathValidator;
 
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -587,11 +575,7 @@ exports.FileGlobber = FileGlobber;
 
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -766,11 +750,14 @@ class CoreInputs {
             return undefined;
         return this.name;
     }
+    get updateOnlyUnreleased() {
+        return core.getInput('updateOnlyUnreleased') == 'true';
+    }
     static get omitNameDuringUpdate() {
         return core.getInput('omitNameDuringUpdate') == 'true';
     }
     stringFromFile(path) {
-        return (0, fs_1.readFileSync)(path, 'utf-8');
+        return fs_1.readFileSync(path, 'utf-8');
     }
 }
 exports.CoreInputs = CoreInputs;
@@ -785,11 +772,7 @@ exports.CoreInputs = CoreInputs;
 
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -819,6 +802,32 @@ class CoreOutputs {
 exports.CoreOutputs = CoreOutputs;
 
 
+/***/ }),
+
+/***/ 7579:
+/***/ ((__unused_webpack_module, exports) => {
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.ReleaseValidator = void 0;
+class ReleaseValidator {
+    constructor(updateOnlyUnreleased) {
+        this.updateOnlyUnreleased = updateOnlyUnreleased;
+    }
+    validateReleaseUpdate(releaseResponse) {
+        var _a;
+        if (!this.updateOnlyUnreleased) {
+            return;
+        }
+        if (!releaseResponse.draft && !releaseResponse.prerelease) {
+            throw new Error(`Tried to update "${(_a = releaseResponse.name) !== null && _a !== void 0 ? _a : "release"}" which is neither a draft or prerelease. (updateOnlyUnreleased is on)`);
+        }
+    }
+}
+exports.ReleaseValidator = ReleaseValidator;
+
+
 /***/ }),
 
 /***/ 184:
@@ -940,11 +949,7 @@ exports.GithubReleases = GithubReleases;
 
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];

lib/Action.js

@@ -11,6 +11,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.Action = void 0;
 const GithubError_1 = require("./GithubError");
+const ReleaseValidator_1 = require("./ReleaseValidator");
 class Action {
     constructor(inputs, outputs, releases, uploader, artifactDestroyer) {
         this.inputs = inputs;
@@ -18,6 +19,7 @@ class Action {
         this.releases = releases;
         this.uploader = uploader;
         this.artifactDestroyer = artifactDestroyer;
+        this.releaseValidator = new ReleaseValidator_1.ReleaseValidator(inputs.updateOnlyUnreleased);
     }
     perform() {
         return __awaiter(this, void 0, void 0, function* () {
@@ -45,6 +47,8 @@ class Action {
                 catch (error) {
                     return yield this.checkForMissingReleaseError(error);
                 }
+                // Fail if this isn't an unreleased release & updateOnlyUnreleased is enabled.
+                this.releaseValidator.validateReleaseUpdate(getResponse.data);
                 return yield this.updateRelease(getResponse.data.id);
             }
             else {

lib/Artifact.js

@@ -6,14 +6,14 @@ const fs_1 = require("fs");
 class Artifact {
     constructor(path, contentType = "raw") {
         this.path = path;
-        this.name = (0, path_1.basename)(path);
+        this.name = path_1.basename(path);
         this.contentType = contentType;
     }
     get contentLength() {
-        return (0, fs_1.statSync)(this.path).size;
+        return fs_1.statSync(this.path).size;
     }
     readFile() {
-        return (0, fs_1.readFileSync)(this.path);
+        return fs_1.readFileSync(this.path);
     }
 }
 exports.Artifact = Artifact;

lib/ArtifactDestroyer.js

@@ -1,11 +1,7 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];

lib/ArtifactGlobber.js

@@ -1,11 +1,7 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -69,7 +65,7 @@ class FileArtifactGlobber {
         throw Error(`Artifact pattern :${pattern} did not match any files`);
     }
     static expandPath(path) {
-        return (0, untildify_1.default)(path);
+        return untildify_1.default(path);
     }
 }
 exports.FileArtifactGlobber = FileArtifactGlobber;

lib/ArtifactPathValidator.js

@@ -1,11 +1,7 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -43,7 +39,7 @@ class ArtifactPathValidator {
         }
     }
     verifyNotDirectory(path) {
-        const isDir = (0, fs_1.statSync)(path).isDirectory();
+        const isDir = fs_1.statSync(path).isDirectory();
         if (isDir) {
             const message = `Artifact is a directory:${path}. Directories can not be uploaded to a release.`;
             this.reportError(message);

lib/ArtifactUploader.js

@@ -1,11 +1,7 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];

lib/Inputs.js

@@ -1,11 +1,7 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
@@ -180,11 +176,14 @@ class CoreInputs {
             return undefined;
         return this.name;
     }
+    get updateOnlyUnreleased() {
+        return core.getInput('updateOnlyUnreleased') == 'true';
+    }
     static get omitNameDuringUpdate() {
         return core.getInput('omitNameDuringUpdate') == 'true';
     }
     stringFromFile(path) {
-        return (0, fs_1.readFileSync)(path, 'utf-8');
+        return fs_1.readFileSync(path, 'utf-8');
     }
 }
 exports.CoreInputs = CoreInputs;

lib/Main.js

@@ -1,11 +1,7 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];

lib/Outputs.js

@@ -1,11 +1,7 @@
 "use strict";
 var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
 }) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];

lib/ReleaseValidator.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ReleaseValidator = void 0;
+class ReleaseValidator {
+    constructor(updateOnlyUnreleased) {
+        this.updateOnlyUnreleased = updateOnlyUnreleased;
+    }
+    validateReleaseUpdate(releaseResponse) {
+        var _a;
+        if (!this.updateOnlyUnreleased) {
+            return;
+        }
+        if (!releaseResponse.draft && !releaseResponse.prerelease) {
+            throw new Error(`Tried to update "${(_a = releaseResponse.name) !== null && _a !== void 0 ? _a : "release"}" which is neither a draft or prerelease. (updateOnlyUnreleased is on)`);
+        }
+    }
+}
+exports.ReleaseValidator = ReleaseValidator;

src/Action.ts

@@ -10,13 +10,16 @@ import {ArtifactUploader} from "./ArtifactUploader";
 import {GithubError} from "./GithubError";
 import {Outputs} from "./Outputs";
 import {ArtifactDestroyer} from "./ArtifactDestroyer";
+import {ReleaseValidator} from "./ReleaseValidator";
 
 export class Action {
     private inputs: Inputs
     private outputs: Outputs
     private releases: Releases
-    private artifactDestroyer: ArtifactDestroyer
     private uploader: ArtifactUploader
+    private artifactDestroyer: ArtifactDestroyer
+    
+    private releaseValidator: ReleaseValidator
 
     constructor(inputs: Inputs,
                 outputs: Outputs,
@@ -28,6 +31,7 @@ export class Action {
         this.releases = releases
         this.uploader = uploader
         this.artifactDestroyer = artifactDestroyer
+        this.releaseValidator = new ReleaseValidator(inputs.updateOnlyUnreleased)
     }
 
     async perform() {
@@ -56,6 +60,9 @@ export class Action {
             } catch (error: any) {
                 return await this.checkForMissingReleaseError(error)
             }
+            
+            // Fail if this isn't an unreleased release & updateOnlyUnreleased is enabled.
+            this.releaseValidator.validateReleaseUpdate(getResponse.data)
 
             return await this.updateRelease(getResponse.data.id)
         } else {

src/Inputs.ts

@@ -25,6 +25,7 @@ export interface Inputs {
     readonly updatedReleaseBody?: string
     readonly updatedReleaseName?: string
     readonly updatedPrerelease?: boolean
+    readonly updateOnlyUnreleased: boolean
 }
 
 export class CoreInputs implements Inputs {
@@ -209,6 +210,10 @@ export class CoreInputs implements Inputs {
         if (CoreInputs.omitName || CoreInputs.omitNameDuringUpdate) return undefined
         return this.name
     }
+    
+    get updateOnlyUnreleased(): boolean {
+        return core.getInput('updateOnlyUnreleased') == 'true'
+    }
 
     private static get omitNameDuringUpdate(): boolean {
         return core.getInput('omitNameDuringUpdate') == 'true'

src/ReleaseValidator.ts

@@ -0,0 +1,20 @@
+export class ReleaseValidator {
+    constructor(private updateOnlyUnreleased: boolean) {
+    }
+
+    validateReleaseUpdate(releaseResponse: ReleaseStageArguments) {
+        if (!this.updateOnlyUnreleased) {
+            return
+        }
+
+        if (!releaseResponse.draft && !releaseResponse.prerelease) {
+            throw new Error(`Tried to update "${releaseResponse.name ?? "release"}" which is neither a draft or prerelease. (updateOnlyUnreleased is on)`)
+        }
+    }
+}
+
+export type ReleaseStageArguments = {
+    draft: boolean
+    name: string | null
+    prerelease: boolean
+}