fix: add option usePreparedCommit default false

ISSUES CLOSED: #173

README.md

@@ -156,6 +156,7 @@ Here are the options you can set in your `.cz-config.js`:
 * **breaklineChar**: {string, default '|'}: It gets replaced with \n to create the breakline in your commit message. This is supported for fields `body` and `footer` at the moment.
 * **upperCaseSubject**: { boolean, default false }: Capitalizes first subject letter if set to `true`
 * **askForBreakingChangeFirst**: { boolean, default false }: It asks for breaking change as first question when set to `true`
+* **usePreparedCommit**: { boolean, default false }: It re-uses commit from ./.git/COMMIT_EDITMSG when set to `true`
 
 ## Related tools
 - (https://github.com/commitizen/cz-cli)

cz-config-EXAMPLE.js

@@ -26,6 +26,7 @@ module.exports = {
 
   scopes: [{ name: 'accounts' }, { name: 'admin' }, { name: 'exampleScope' }, { name: 'changeMe' }],
 
+  usePreparedCommit: false, // to re-use commit from ./.git/COMMIT_EDITMSG
   allowTicketNumber: false,
   isTicketNumberRequired: false,
   ticketNumberPrefix: 'TICKET-',

lib/questions.js

@@ -134,7 +134,7 @@ module.exports = {
         type: 'input',
         name: 'subject',
         message: messages.subject,
-        default: getPreparedCommit('subject'),
+        default: config.usePreparedCommit && getPreparedCommit('subject'),
         validate(value) {
           const limit = config.subjectLimit || 100;
           if (value.length > limit) {
@@ -152,7 +152,7 @@ module.exports = {
         type: 'input',
         name: 'body',
         message: messages.body,
-        default: getPreparedCommit('body'),
+        default: config.usePreparedCommit && getPreparedCommit('body'),
       },
       {
         type: 'input',