Allow customize branch name

Author: cregourd

.changeset/good-mice-brake.md

@@ -0,0 +1,5 @@
+---
+"@changesets/action": patch
+---
+
+Allow customize branch name

action.yml

@@ -36,6 +36,9 @@ inputs:
       or app who owns the GITHUB_TOKEN.
     required: false
     default: "git-cli"
+  branchName:
+    description: Sets the branch name for the pull request. Default to `changeset-release/{{$github.ref_name}}`
+    required: false
   branch:
     description: Sets the branch in which the action will run. Default to `github.ref_name` if not provided
     required: false

src/index.ts

@@ -126,6 +126,7 @@ const getOptionalInput = (name: string) => core.getInput(name) || undefined;
         commitMessage: getOptionalInput("commit"),
         hasPublishScript,
         branch: getOptionalInput("branch"),
+        branchName: getOptionalInput("branchName"),
       });
 
       core.setOutput("pullRequestNumber", String(pullRequestNumber));

src/run.ts

@@ -20,7 +20,9 @@ import {
 
 const require = createRequire(import.meta.url);
 
-// GitHub Issues/PRs messages have a max size limit on the
+// GitHub Issues/PRs messages have a max size limit on th
+
+
 // message body payload.
 // `body is too long (maximum is 65536 characters)`.
 // To avoid that, we ensure to cap the message to 60k chars.
@@ -257,6 +259,7 @@ type VersionOptions = {
   hasPublishScript?: boolean;
   prBodyMaxCharacters?: number;
   branch?: string;
+  branchName?: string;
 };
 
 type RunVersionResult = {
@@ -273,8 +276,9 @@ export async function runVersion({
   hasPublishScript = false,
   prBodyMaxCharacters = MAX_CHARACTERS_PER_MESSAGE,
   branch = github.context.ref.replace("refs/heads/", ""),
+  branchName
 }: VersionOptions): Promise<RunVersionResult> {
-  let versionBranch = `changeset-release/${branch}`;
+  let versionBranch = branchName ?? `changeset-release/${branch}`;
 
   let { preState } = await readChangesetState(cwd);