1 files changed, 133 insertions, 0 deletions
diff --git a/scripts/publish_binary_size.js b/scripts/publish_binary_size.js
new file mode 100755
index 0000000000..c7c1698436
--- /dev/null
+++ b/scripts/publish_binary_size.js
@@ -0,0 +1,133 @@
+#!/usr/bin/env node
+
+const jwt = require('jsonwebtoken');
+const github = require('@octokit/rest')();
+const zlib = require('zlib');
+const AWS = require('aws-sdk');
+
+const SIZE_CHECK_APP_ID = 14028;
+const SIZE_CHECK_APP_INSTALLATION_ID = 229425;
+
+process.on('unhandledRejection', error => {
+    console.log(error);
+    process.exit(1)
+});
+
+const pk = process.env['SIZE_CHECK_APP_PRIVATE_KEY'];
+if (!pk) {
+    console.log('Fork PR; not publishing size.');
+    process.exit(0);
+}
+
+const key = Buffer.from(pk, 'base64').toString('binary');
+const payload = {
+    exp: Math.floor(Date.now() / 1000) + 60,
+    iat: Math.floor(Date.now() / 1000),
+    iss: SIZE_CHECK_APP_ID
+};
+
+const token = jwt.sign(payload, key, {algorithm: 'RS256'});
+github.authenticate({type: 'app', token});
+
+// Must be in sync with the definition in metrics/binary-size/index.html on the gh-pages branch.
+const platforms = [
+    { 'platform': 'iOS', 'arch': 'armv7' },
+    { 'platform': 'iOS', 'arch': 'arm64' },
+    { 'platform': 'Android', 'arch': 'arm-v7' },
+    { 'platform': 'Android', 'arch': 'arm-v8' },
+    { 'platform': 'Android', 'arch': 'x86' },
+    { 'platform': 'Android', 'arch': 'x86_64' }
+];
+
+const rows = [];
+
+function query(after) {
+    return github.request({
+        method: 'POST',
+        url: '/graphql',
+        headers: {
+            // https://developer.github.com/changes/2018-07-11-graphql-checks-preview/
+            accept: 'application/vnd.github.antiope-preview'
+        },
+        query: `query {
+              repository(owner: "mapbox", name: "mapbox-gl-native") {
+                ref(qualifiedName: "master") {
+                  target {
+                    ... on Commit {
+                      history(first: 100, since: "2018-07-01T00:00:00Z" ${after ? `, after: "${after}"` : ''}) {
+                        pageInfo {
+                          hasNextPage
+                          endCursor
+                        }
+                        edges {
+                          node {
+                            oid
+                            messageHeadline
+                            checkSuites(first: 1, filterBy: {appId: ${SIZE_CHECK_APP_ID}}) {
+                              nodes {
+                                checkRuns(first: 10) {
+                                  nodes {
+                                    name
+                                    conclusion
+                                    title
+                                    summary
+                                  }
+                                }
+                              }
+                            }
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }`
+    }).then((result) => {
+        const history = result.data.data.repository.ref.target.history;
+
+        for (const edge of history.edges) {
+            const commit = edge.node;
+            const suite = commit.checkSuites.nodes[0];
+
+            if (!suite)
+                continue;
+
+            const runs = commit.checkSuites.nodes[0].checkRuns.nodes;
+            const row = [`${commit.oid.slice(0, 7)} - ${commit.messageHeadline}`];
+
+            for (let i = 0; i < platforms.length; i++) {
+                const {platform, arch} = platforms[i];
+
+                const run = runs.find((run) => {
+                    const [, p, a] = run.name.match(/Size - (\w+) ([\w-]+)/);
+                    return platform === p && arch === a;
+                });
+
+                row[i + 1] = run ? +run.summary.match(/is (\d+) bytes/)[1] : undefined;
+            }
+
+            rows.push(row);
+        }
+
+        if (history.pageInfo.hasNextPage) {
+            return query(history.pageInfo.endCursor);
+        } else {
+            return new AWS.S3({region: 'us-east-1'}).putObject({
+                Body: zlib.gzipSync(JSON.stringify(rows.reverse())),
+                Bucket: 'mapbox',
+                Key: 'mapbox-gl-native/metrics/binary-size/data.json',
+                ACL: 'public-read',
+                CacheControl: 'max-age=300',
+                ContentEncoding: 'gzip',
+                ContentType: 'application/json'
+            }).promise();
+        }
+    });
+}
+
+github.apps.createInstallationToken({installation_id: SIZE_CHECK_APP_INSTALLATION_ID})
+    .then(({data}) => {
+        github.authenticate({type: 'token', token: data.token});
+        return query();
+    });