Re open issue with config flag

README.md

@@ -59,6 +59,9 @@ markComment: >
 # closeComment: >
 #   Your comment here.
 
+# Set to true to reopen closed Issue or Pull Request on reply.
+# reopenIssue: false (defaults to false)
+
 # Limit the number of actions per hour, from 1-30. Default is 30
 limitPerRun: 30
 

lib/schema.js

@@ -38,6 +38,9 @@ const fields = {
     .error(() => '"closeComment" must be a string or false')
     .description('Comment to post when closing a stale Issue or Pull Request. Set to `false` to disable'),
 
+  reopenIssue: Joi.boolean()
+    .description('Set to true to reopen a stale Issue or Pull Request on reply'),
+
   limitPerRun: Joi.number().integer().min(1).max(30)
     .error(() => '"limitPerRun" must be an integer between 1 and 30')
     .description('Limit the number of actions per hour, from 1-30. Default is 30')
@@ -61,6 +64,7 @@ const schema = Joi.object().keys({
   ),
   unmarkComment: fields.unmarkComment.default(false),
   closeComment: fields.closeComment.default(false),
+  reopenIssue: fields.reopenIssue.default(false),
   limitPerRun: fields.limitPerRun.default(30),
   perform: Joi.boolean().default(!process.env.DRY_RUN),
   only: Joi.any().valid('issues', 'pulls', null).description('Limit to only `issues` or `pulls`'),

lib/stale.js

@@ -157,11 +157,30 @@ module.exports = class Stale {
     }
   }
 
+  async open (type, issue) {
+    if (this.remainingActions === 0) {
+      return
+    }
+    this.remainingActions--
+
+    const { owner, repo } = this.config
+    const perform = this.getConfigValue(type, 'perform')
+    const number = issue.number
+
+    if (perform) {
+      this.logger.info('%s/%s#%d is being reopened', owner, repo, number)
+      return this.github.issues.edit({ owner, repo, number, state: 'open' })
+    } else {
+      this.logger.info('%s/%s#%d would have been reopened (dry-run)', owner, repo, number)
+    }
+  }
+
   async unmarkIssue (type, issue) {
     const { owner, repo } = this.config
     const perform = this.getConfigValue(type, 'perform')
     const staleLabel = this.getConfigValue(type, 'staleLabel')
     const unmarkComment = this.getConfigValue(type, 'unmarkComment')
+    const reopenIssue = this.getClosable(type, 'reopenIssue')
     const number = issue.number
 
     if (perform) {
@@ -171,6 +190,10 @@ module.exports = class Stale {
         await this.github.issues.createComment({ owner, repo, number, body: unmarkComment })
       }
 
+      if (reopenIssue) {
+        this.open(type, issue)
+      }
+
       return this.github.issues.removeLabel({ owner, repo, number, name: staleLabel }).catch((err) => {
         // ignore if it's a 404 because then the label was already removed
         if (err.code !== 404) {

test/schema.test.js

@@ -69,6 +69,7 @@ describe('schema', () => {
       exemptAssignees: false,
       staleLabel: 'wontfix',
       perform: true,
+      reopenIssue: false,
       markComment: 'Is this still relevant? If so, what is blocking it? ' +
         'Is there anything you can do to help move it forward?' +
         '\n\nThis issue has been automatically marked as stale ' +