Get optional device/platform from scripts

ci/gen-screenshots.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 cwd=`dirname $0`
 devices=("iphone ipad mac appletv")
+if [[ -n "$1" ]]; then
+    devices=("$1")
+fi
 for device in $devices; do
     $cwd/../screenshots/export.sh $device
     $cwd/../screenshots/compose-device.sh $device

ci/upload-metadata.sh

@@ -1,3 +1,8 @@
 #!/bin/bash
-platform=$1
+platforms=("iOS macOS tvOS")
+if [[ -n "$1" ]]; then
+    platforms=("$1")
+fi
+for platform in $platforms; do
     bundle exec fastlane --env secret,$platform asc_metadata
+done

ci/upload-screenshots.sh

@@ -1,3 +1,8 @@
 #!/bin/bash
-platform=$1
+platforms=("iOS macOS tvOS")
+if [[ -n "$1" ]]; then
+    platforms=("$1")
+fi
+for platform in $platforms; do
     bundle exec fastlane --env secret,$platform asc_screenshots
+done