feat: add fetch input

Ref #386

Author: EndBug

Diff for: action.yml

@@ -29,6 +29,10 @@ inputs:
     description: How the action should fill missing author name or email.
     required: false
     default: 'github_actor'
+  fetch:
+    description: Arguments for the git fetch command (if 'false', the action won't fetch the repo)
+    required: false
+    default: --tags --force
   message:
     description: The message for the commit
     required: false

Diff for: lib/index.js

@@ -10,6 +10,7 @@ interface InputTypes {
   committer_email: string
   cwd: string
   default_author: 'github_actor' | 'user_info' | 'github_actions'
+  fetch: string
   message: string
   new_branch: string | undefined
   pathspec_error_handling: 'ignore' | 'exitImmediately' | 'exitAtEnd'
@@ -124,6 +125,20 @@ export async function checkInputs() {
     )
   // #endregion
 
+  // #region fetch
+  if (getInput('fetch')) {
+    let value: string | boolean
+
+    try {
+      value = getInput('fetch', true)
+    } catch {
+      value = getInput('fetch')
+    }
+
+    core.debug(`Currrent fetch option: '${value}' (parsed as ${typeof value})`)
+  }
+  // #endregion
+
   // #region author_name, author_email
   let name, email
   switch (getInput('default_author')) {

Diff for: src/io.ts

@@ -55,8 +55,19 @@ core.info(`Running in ${baseDir}`)
         JSON.stringify((await git.listConfig()).all, null, 2)
     )
 
-    core.info('> Fetching repo...')
-    await git.fetch(['--tags', '--force'], log)
+    let fetchOption: string | boolean
+    try {
+      fetchOption = getInput('fetch', true)
+    } catch {
+      fetchOption = getInput('fetch')
+    }
+    if (fetchOption) {
+      core.info('> Fetching repo...')
+      await git.fetch(
+        matchGitArgs(fetchOption === true ? '' : fetchOption),
+        log
+      )
+    } else core.info('> Not fetching repo.')
 
     const targetBranch = getInput('new_branch')
     if (targetBranch) {