fix: correctly upload gzipped files

README.md

@@ -148,10 +148,18 @@ Enable adding a meta tag with the current revisionKey into the head of your `ind
 
 ### replaceFiles
 
-At deploy-time, the plugin will check your Sentry instance for an existing release under the current `revisionKey`. If a release is found and this is set to `true`, all existing files for the matching release will be deleted before the current build's files are uploaded to Sentry. If this is set to `false`, the files on Sentry will remain untouched and the just-built files will not be uploaded. 
+At deploy-time, the plugin will check your Sentry instance for an existing release under the current `revisionKey`. If a release is found and this is set to `true`, all existing files for the matching release will be deleted before the current build's files are uploaded to Sentry. If this is set to `false`, the files on Sentry will remain untouched and the just-built files will not be uploaded.
 
 *Default* true
 
+### gzippedFiles
+
+The list of files that have been gziped. This option should be relative to `distDir`. By default, this option will use the `gzippedFiles` property of the deployment context, provided by [ember-cli-deploy-gzip][13].
+
+This option will be used to determine which files in `distDir`, that match `filePattern`, require the gzip content encoding when uploading.
+
+*Default:* `context.gzippedFiles`
+
 ## Prerequisites
 
 The following properties are expected to be present on the deployment `context` object:
@@ -205,3 +213,4 @@ It works. We use it in production at [Hatchet](https://hatchet.is).
 [10]: http://ember-cli.github.io/ember-cli-deploy/plugins "Plugin Documentation"
 [11]: https://github.com/zapnito/ember-cli-deploy-build "ember-cli-deploy-build"
 [12]: https://github.com/zapnito/ember-cli-deploy-revision-data "ember-cli-deploy-revision-data"
+[13]: https://github.com/ember-cli-deploy/ember-cli-deploy-gzip "ember-cli-deploy-gzip"

index.js

@@ -33,6 +33,11 @@ module.exports = {
           return context.revisionData && context.revisionData.revisionKey;
         },
         enableRevisionTagging: true,
+
+        gzippedFiles: function(context) {
+          return context.gzippedFiles || []; // e.g. from ember-cli-deploy-gzip
+        },
+
         replaceFiles: true
       },
       requiredConfig: ['publicUrl', 'sentryUrl', 'sentryOrganizationSlug', 'sentryProjectSlug', 'sentryApiKey', 'revisionKey'],
@@ -135,6 +140,11 @@ module.exports = {
           throw new SilentError('Creating release failed');
         });
       },
+      _isFileGzipped(filePath) {
+        var gzippedFiles = this.readConfig('gzippedFiles') || [];
+        var isGzipped = gzippedFiles.indexOf(filePath) >= 0;
+        return isGzipped;
+      },
       _doUpload: function doUpload() {
         return this._getFilesToUpload()
           .then(this._uploadFileList.bind(this));
@@ -173,6 +183,10 @@ module.exports = {
           file: fs.createReadStream(fileName),
         };
 
+        if (this._isFileGzipped(filePath)) {
+          formData.header = 'content-encoding:gzip';
+        }
+
         return request({
           uri: urljoin(this.releaseUrl, 'files/'),
           method: 'POST',