refactor: run user callbacks from within node

Dockerfile

@@ -4,6 +4,5 @@ RUN apk add --no-cache curl=8.9.0-r0
 
 COPY . /pkg
 RUN npm i -g /pkg
-COPY --chmod=755 docker-entrypoint.sh /usr/bin/docker-entrypoint
 
-ENTRYPOINT ["docker-entrypoint"]
+ENTRYPOINT ["transferbot"]

bin/cmd.js

@@ -2,6 +2,7 @@
 
 import WikibaseRepo from './../lib/repo.js'
 import { pickLanguages, pickKeys } from './../lib/util.js'
+import { execCmd } from './../lib/exec.js'
 
 ;(async () => {
   const [source, target, ...entities] = process.argv.slice(2)
@@ -32,5 +33,17 @@ import { pickLanguages, pickKeys } from './../lib/util.js'
   })
   .catch((err) => {
     console.error(err)
-    process.exit(1)
+    process.exitCode = 1
+  })
+  .then(() => {
+    if (process.env.CALLBACK_ON_SUCCESS && process.exitCode === 0) {
+      return execCmd(process.env.CALLBACK_ON_SUCCESS)
+    }
+    if (process.env.CALLBACK_ON_FAILURE && process.exitCode !== 0) {
+      return execCmd(process.env.CALLBACK_ON_FAILURE)
+    }
+  })
+  .catch((err) => {
+    console.error('An error occurred executing the given callbacks:')
+    console.error(err)
   })

lib/exec.js

@@ -0,0 +1,15 @@
+import { exec } from 'node:child_process'
+
+export const execCmd = (cmd) => {
+  return new Promise((resolve, reject) => {
+    exec(cmd, (error, stdout, stderr) => {
+      process.stdout.write(stdout)
+      process.stderr.write(stderr)
+      if (error) {
+        reject(error)
+        return
+      }
+      resolve()
+    })
+  })
+}

lib/repo.js

@@ -25,9 +25,9 @@ export default class WikibaseRepository {
       .then(body => Object.keys(body.query.wbcontentlanguages))
   }
 
-  async createEntities (...entities) {
+  createEntities (...entities) {
     if (!this.edit) {
-      throw new Error('Cannot edit a read only instance.')
+      return Promise.reject(new Error('Cannot edit a read only instance.'))
     }
     return Promise.all(entities.map(async entity => {
       return this.edit.entity.create(entity)