Added cwd input option (#134)

* feat: add cwd for projects that not in the root directory

* docs: add cwd to README

* reword the added log

* tweak changeset

Co-authored-by: Mateusz Burzyński <mateuszburzynski@gmail.com>

.changeset/kind-apes-exist.md

@@ -0,0 +1,5 @@
+---
+"@changesets/action": minor
+---
+
+Added `cwd` input option that can be used in projects that are not in the root directory.

README.md

@@ -11,6 +11,7 @@ This action for [Changesets](https://github.com/atlassian/changesets) creates a
 - commit - The commit message to use. Default to `Version Packages`
 - title - The pull request title. Default to `Version Packages`
 - setupGitUser - Sets up the git user for commits as `"github-actions[bot]"`. Default to `true`
+- cwd - Changes node's `process.cwd()` if the project is not located on the root. Default to `process.cwd()`
 
 ### Outputs
 

action.yml

@@ -10,6 +10,9 @@ inputs:
   version:
     description: "The command to update version, edit CHANGELOG, read and delete changesets. Default to `changeset version` if not provided"
     required: false
+  cwd:
+    description: Sets the cwd for the node process. Default to `process.cwd()`
+    required: false
   commit:
     description: |
       The commit message. Default to `Version Packages`

src/index.ts

@@ -14,7 +14,7 @@ const getOptionalInput = (name: string) => core.getInput(name) || undefined;
     return;
   }
 
-  let setupGitUser = core.getBooleanInput('setupGitUser');
+  let setupGitUser = core.getBooleanInput("setupGitUser");
 
   if (setupGitUser) {
     console.log("setting git user");
@@ -27,6 +27,12 @@ const getOptionalInput = (name: string) => core.getInput(name) || undefined;
     `machine github.com\nlogin github-actions[bot]\npassword ${githubToken}`
   );
 
+  const inputCwd = core.getInput("cwd");
+  if (inputCwd) {
+    console.log("changing directory to the one given as the input");
+    process.chdir(inputCwd);
+  }
+
   let { changesets } = await readChangesetState();
 
   let publishScript = core.getInput("publish");