fix: create empty commit for custom pr sign comment as well

Author: tada5hi

.gitignore

@@ -2,3 +2,4 @@ __tests__/runner/*
 .vscode
 node_modules
 lib
+.idea

src/addEmptyCommit.ts

@@ -3,6 +3,7 @@ import { context } from '@actions/github'
 
 import * as core from '@actions/core'
 import * as input from './shared/getInputs'
+import { getPrSignComment } from './shared/pr-sign-comment'
 
 
 export async function addEmptyCommit() {
@@ -11,8 +12,8 @@ export async function addEmptyCommit() {
 
     if (context.payload.comment) {
 
-        //Do empty commit only when the contributor signs the CLA with the PR comment 
-        if (context.payload.comment.body === 'I have read the CLA Document and I hereby sign the CLA') {
+        //Do empty commit only when the contributor signs the CLA with the PR comment
+        if (context.payload.comment.body.toLowerCase().trim() === getPrSignComment().toLowerCase().trim()) {
             try {
                 const message = input.getSignedCommitMessage() ?
                     input.getSignedCommitMessage().replace('$contributorName', contributorName) :

src/pullrequest/pullRequestCommentContent.ts

@@ -2,6 +2,7 @@ import {
     CommitterMap
 } from '../interfaces'
 import * as input from '../shared/getInputs'
+import { getPrSignComment } from '../shared/pr-sign-comment'
 
 export function commentContent(signed: boolean, committerMap: CommitterMap): string {
     // using a `string` true or false purposely as github action input cannot have a boolean value
@@ -72,7 +73,7 @@ function cla(signed: boolean, committerMap: CommitterMap): string {
     let lineOne = (input.getCustomNotSignedPrComment() || `<br/>Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that $you sign our [Contributor License Agreement](${input.getPathToDocument()}) before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.<br/>`).replace('$you', you)
     let text = `**CLA Assistant Lite bot:** ${lineOne}
    - - -
-   ${input.getCustomPrSignComment() || "I have read the CLA Document and I hereby sign the CLA"}
+   ${getPrSignComment()}
    - - -
    `
 
@@ -94,4 +95,4 @@ function cla(signed: boolean, committerMap: CommitterMap): string {
 
     text += '<sub>You can retrigger this bot by commenting **recheck** in this Pull Request</sub>'
     return text
-}
+}

src/shared/pr-sign-comment.ts

@@ -0,0 +1,5 @@
+import * as input from './getInputs'
+
+export function getPrSignComment() {
+  return input.getCustomPrSignComment() || "I have read the CLA Document and I hereby sign the CLA"
+}