[build] add binary size logging to iOS nightlies

platform/ios/bitrise.yml

@@ -2,6 +2,8 @@
 format_version: 1.0.0
 default_step_lib_source: https://github.com/bitrise-io/bitrise-steplib.git
 trigger_map:
+- pattern: nightly-release
+  workflow: nightly-release
 - pattern: "*"
   is_pull_request_allowed: true
   workflow: primary
@@ -72,3 +74,32 @@ workflows:
             failed'
         - icon_url: https://bitrise-public-content-production.s3.amazonaws.com/slack/bitrise-slack-icon-128.png
         - icon_url_on_error: https://bitrise-public-content-production.s3.amazonaws.com/slack/bitrise-slack-error-icon-128.png
+  nightly-release:
+    steps:
+    - script:
+        title: Install Dependencies
+        inputs:
+        - content: |-
+            #!/bin/bash
+            set -eu -o pipefail
+            brew install cmake
+        - is_debug: 'yes'
+    - script:
+        title: Configure AWS-CLI
+        inputs:
+        - content: |-
+            #!/bin/bash
+            apt-get install -y python-pip python-dev build-essential
+            pip install awscli
+    - script:
+        title: Build package
+        inputs:
+        - content: |-
+            #!/bin/bash
+            set -eu -o pipefail
+            export BUILDTYPE=Release
+            export BUILD_DEVICE=true
+            export FORMAT=dynamic
+            make ipackage-strip
+            CLOUDWATCH=true platform/ios/scripts/metrics.sh
+        - is_debug: 'yes'

platform/ios/scripts/metrics.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -e
+set -o pipefail
+
+# Generate stripped versions for every architecture
+xcrun bitcode_strip build/ios/pkg/dynamic/Mapbox.framework/Mapbox -r -o  build/ios/pkg/dynamic/Mapbox-stripped
+lipo build/ios/pkg/dynamic/Mapbox-stripped -extract armv7 -output build/ios/pkg/dynamic/Mapbox-stripped-armv7
+lipo build/ios/pkg/dynamic/Mapbox-stripped -extract arm64 -output build/ios/pkg/dynamic/Mapbox-stripped-arm64
+lipo build/ios/pkg/dynamic/Mapbox-stripped -extract i386 -output build/ios/pkg/dynamic/Mapbox-stripped-i386
+lipo build/ios/pkg/dynamic/Mapbox-stripped -extract x86_64 -output build/ios/pkg/dynamic/Mapbox-stripped-x86_64
+
+# Track individual architectures
+scripts/log_binary_size.sh "build/ios/pkg/dynamic/Mapbox-stripped-armv7"   "Platform=iOS,Arch=armv7"
+scripts/log_binary_size.sh "build/ios/pkg/dynamic/Mapbox-stripped-arm64"   "Platform=iOS,Arch=arm64"
+scripts/log_binary_size.sh "build/ios/pkg/dynamic/Mapbox-stripped-i386"    "Platform=iOS,Arch=i386"
+scripts/log_binary_size.sh "build/ios/pkg/dynamic/Mapbox-stripped-x86_64"  "Platform=iOS,Arch=x86_64"
+
+# Track overall library size
+scripts/log_binary_size.sh "build/ios/pkg/dynamic/Mapbox-stripped"         "Platform=iOS,Arch=Dynamic"