Support custom target_commitish value

README.md

@@ -173,16 +173,17 @@ jobs:
 
 The following are optional as `step.with` keys
 
-| Name                      | Type    | Description                                                           |
-|---------------------------|---------|-----------------------------------------------------------------------|
-| `body`                    | String  | Text communicating notable changes in this release                    |
-| `body_path`               | String  | Path to load text communicating notable changes in this release       |
-| `draft`                   | Boolean | Indicator of whether or not this release is a draft                   |
-| `prerelease`              | Boolean | Indicator of whether or not is a prerelease                           |
-| `files`                   | String  | Newline-delimited globs of paths to assets to upload for release      |
-| `name`                    | String  | Name of the release. defaults to tag name                             |
-| `tag_name`                | String  | Name of a tag. defaults to `github.ref`                               |
-| `fail_on_unmatched_files` | Boolean | Indicator of whether to fail if any of the `files` globs match nothing|
+| Name                      | Type    | Description                                                                                         |
+|---------------------------|---------|-----------------------------------------------------------------------------------------------------|
+| `body`                    | String  | Text communicating notable changes in this release                                                  |
+| `body_path`               | String  | Path to load text communicating notable changes in this release                                     |
+| `draft`                   | Boolean | Indicator of whether or not this release is a draft                                                 |
+| `prerelease`              | Boolean | Indicator of whether or not is a prerelease                                                         |
+| `files`                   | String  | Newline-delimited globs of paths to assets to upload for release                                    |
+| `name`                    | String  | Name of the release. defaults to tag name                                                           |
+| `tag_name`                | String  | Name of a tag. defaults to `github.ref`                                                             |
+| `fail_on_unmatched_files` | Boolean | Indicator of whether to fail if any of the `files` globs match nothing                              |
+| `target_commitish`        | String  | Commitish value that determines where the Git tag is created from. Can be any branch or commit SHA. |
 
 💡When providing a `body` and `body_path` at the same time, `body_path` will be attempted first, then falling back on `body` if the path can not be read from.
 

__tests__/util.test.ts

@@ -37,7 +37,8 @@ describe("util", () => {
           input_prerelease: false,
           input_files: [],
           input_name: undefined,
-          input_tag_name: undefined
+          input_tag_name: undefined,
+          input_target_commitish: undefined
         })
       );
     });
@@ -54,7 +55,8 @@ describe("util", () => {
           input_prerelease: false,
           input_files: [],
           input_name: undefined,
-          input_tag_name: undefined
+          input_tag_name: undefined,
+          input_target_commitish: undefined
         })
       );
     });
@@ -71,7 +73,8 @@ describe("util", () => {
           input_prerelease: false,
           input_files: [],
           input_name: undefined,
-          input_tag_name: undefined
+          input_tag_name: undefined,
+          input_target_commitish: undefined
         })
       );
     });
@@ -89,10 +92,34 @@ describe("util", () => {
         input_files: [],
         input_name: undefined,
         input_tag_name: undefined,
-        input_fail_on_unmatched_files: false
+        input_fail_on_unmatched_files: false,
+        input_target_commitish: undefined
       });
     });
   });
+  describe("parseConfig", () => {
+    it("parses basic config with commitish", () => {
+      assert.deepStrictEqual(
+        parseConfig({
+          INPUT_TARGET_COMMITISH: "affa18ef97bc9db20076945705aba8c516139abd"
+        }),
+        {
+          github_ref: "",
+          github_repository: "",
+          github_token: "",
+          input_body: undefined,
+          input_body_path: undefined,
+          input_draft: false,
+          input_prerelease: false,
+          input_files: [],
+          input_name: undefined,
+          input_tag_name: undefined,
+          input_fail_on_unmatched_files: false,
+          input_target_commitish: "affa18ef97bc9db20076945705aba8c516139abd"
+        }
+      );
+    });
+  });
   describe("isTag", () => {
     it("returns true for tags", async () => {
       assert.equal(isTag("refs/tags/foo"), true);

action.yml

@@ -30,6 +30,9 @@ inputs:
   repository:
     description: 'Repository to make releases against, in <owner>/<repo> format'
     required: false
+  target_commitish:
+    description: 'Commitish value that determines where the Git tag is created from. Can be any branch or commit SHA.'
+    required: false
 env:
   'GITHUB_TOKEN': 'As provided by Github Actions'
 outputs:

src/github.ts

@@ -35,6 +35,7 @@ export interface Releaser {
     body: string | undefined;
     draft: boolean | undefined;
     prerelease: boolean | undefined;
+    target_commitish: string | undefined;
   }): Promise<{ data: Release }>;
 
   updateRelease(params: {
@@ -77,6 +78,7 @@ export class GitHubReleaser implements Releaser {
     body: string | undefined;
     draft: boolean | undefined;
     prerelease: boolean | undefined;
+    target_commitish: string | undefined;
   }): Promise<{ data: Release }> {
     return this.github.repos.createRelease(params);
   }
@@ -165,7 +167,18 @@ export const release = async (
     });
 
     const release_id = existingRelease.data.id;
-    const target_commitish = existingRelease.data.target_commitish;
+    let target_commitish: string;
+    if (
+      config.input_target_commitish &&
+      config.input_target_commitish !== existingRelease.data.target_commitish
+    ) {
+      console.log(
+        `Updating commit from "${existingRelease.data.target_commitish}" to "${config.input_target_commitish}"`
+      );
+      target_commitish = config.input_target_commitish;
+    } else {
+      target_commitish = existingRelease.data.target_commitish;
+    }
     const tag_name = tag;
     const name = config.input_name || tag;
     const body = `${existingRelease.data.body}\n${releaseBody(config)}`;
@@ -191,7 +204,14 @@ export const release = async (
       const body = releaseBody(config);
       const draft = config.input_draft;
       const prerelease = config.input_prerelease;
-      console.log(`👩‍🏭 Creating new GitHub release for tag ${tag_name}...`);
+      const target_commitish = config.input_target_commitish;
+      let commitMessage: string = "";
+      if (target_commitish) {
+        commitMessage = ` using commit "${target_commitish}"`;
+      }
+      console.log(
+        `👩‍🏭 Creating new GitHub release for tag ${tag_name}${commitMessage}...`
+      );
       try {
         let release = await releaser.createRelease({
           owner,
@@ -200,7 +220,8 @@ export const release = async (
           name,
           body,
           draft,
-          prerelease
+          prerelease,
+          target_commitish
         });
         return release.data;
       } catch (error) {

src/util.ts

@@ -15,6 +15,7 @@ export interface Config {
   input_draft?: boolean;
   input_prerelease?: boolean;
   input_fail_on_unmatched_files?: boolean;
+  input_target_commitish?: string;
 }
 
 export const releaseBody = (config: Config): string | undefined => {
@@ -50,7 +51,8 @@ export const parseConfig = (env: Env): Config => {
     input_files: parseInputFiles(env.INPUT_FILES || ""),
     input_draft: env.INPUT_DRAFT === "true",
     input_prerelease: env.INPUT_PRERELEASE == "true",
-    input_fail_on_unmatched_files: env.INPUT_FAIL_ON_UNMATCHED_FILES == "true"
+    input_fail_on_unmatched_files: env.INPUT_FAIL_ON_UNMATCHED_FILES == "true",
+    input_target_commitish: env.INPUT_TARGET_COMMITISH
   };
 };