Backport for upload retry

script/upload-to-github.js

@@ -2,6 +2,10 @@ const GitHub = require('github')
 const github = new GitHub()
 github.authenticate({type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN})
 
+if (process.argv.length < 5) {
+  console.log('Usage: upload-to-github filePath fileName releaseId')
+  process.exit(1)
+}
 let filePath = process.argv[2]
 let fileName = process.argv[3]
 let releaseId = process.argv[4]
@@ -13,9 +17,35 @@ let githubOpts = {
   filePath: filePath,
   name: fileName
 }
-github.repos.uploadAsset(githubOpts).then(() => {
-  process.exit()
-}).catch((err) => {
-  console.log(`Error uploading ${fileName} to GitHub:`, err)
-  process.exitCode = 1
-})
+
+let retry = 0
+
+function uploadToGitHub () {
+  github.repos.uploadAsset(githubOpts).then(() => {
+    console.log(`Successfully uploaded ${fileName} to GitHub.`)
+    process.exit()
+  }).catch((err) => {
+    if (retry < 4) {
+      console.log(`Error uploading ${fileName} to GitHub, will retry.  Error was:`, err)
+      retry++
+      github.repos.getRelease(githubOpts).then(release => {
+        let existingAssets = release.data.assets.filter(asset => asset.name === fileName)
+        if (existingAssets.length > 0) {
+          console.log(`${fileName} already exists; will delete before retrying upload.`)
+          github.repos.deleteAsset({
+            owner: 'electron',
+            repo: 'electron',
+            id: existingAssets[0].id
+          }).then(uploadToGitHub).catch(uploadToGitHub)
+        } else {
+          uploadToGitHub()
+        }
+      })
+    } else {
+      console.log(`Error retrying uploading ${fileName} to GitHub:`, err)
+      process.exitCode = 1
+    }
+  })
+}
+
+uploadToGitHub()