add build number updater script

AppwiseCore.podspec

@@ -23,6 +23,7 @@ Pod::Spec.new do |s|
 		:git => 'https://github.com/appwise-labs/AppwiseCore.git',
 		:tag => s.version
 	}
+	s.preserve_paths = ['Scripts/*']
 	s.default_subspec = 'Core', 'Behaviours', 'UI'
 
 	# core spec

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 
 ## [Master](https://github.com//AppwiseCore)
 
+### New Features
+
+* Added build number updater script (`Scripts/update_build_number.sh`).
+
 ## [0.7.0](https://github.com/appwise-labs/AppwiseCore/releases/tag/0.7.0)
 
 ### New Features

Scripts/update_build_number.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+git rev-parse 2> /dev/null > /dev/null || { echo >&2 "Git repository required. Aborting build number update script."; exit 0; }
+
+# Create version
+count=`git log --oneline | wc -l  | awk '{gsub(/^ +| +$/,"")} {print $0}'`
+date=$(((`date "+%s"` - 1514764800) / (15 * 60)))
+version="$count.$date"
+echo "Build number is $version"
+
+# Main app info.plist
+filepath="${BUILT_PRODUCTS_DIR}/${INFOPLIST_PATH}"
+echo "Updating $filepath"
+/usr/libexec/PlistBuddy -c "Set :CFBundleVersion ${version}" "${filepath}"
+
+# Extensions info.plist
+echo "Searching in '${BUILT_PRODUCTS_DIR}/${CONTENTS_FOLDER_PATH}/*.app/Info.plist'"
+for subplist in "${BUILT_PRODUCTS_DIR}/${CONTENTS_FOLDER_PATH}"/*.app/Info.plist; do
+	echo "Updating $subplist"
+	/usr/libexec/PlistBuddy -c "Set :CFBundleVersion ${version}" "${subplist}"
+done
+
+echo "Searching in '${BUILT_PRODUCTS_DIR}/${CONTENTS_FOLDER_PATH}/PlugIns/*.appex/Info.plist'"
+for subplist in "${BUILT_PRODUCTS_DIR}/${CONTENTS_FOLDER_PATH}"/PlugIns/*.appex/Info.plist; do
+	echo "Updating $subplist"
+	/usr/libexec/PlistBuddy -c "Set :CFBundleVersion ${version}" "${subplist}"
+done
+
+# Dsym info.plist
+filepath="${DWARF_DSYM_FOLDER_PATH}/${DWARF_DSYM_FILE_NAME}/Contents/Info.plist"
+echo "Updating dSYM at ${filepath}"
+/usr/libexec/PlistBuddy -c "Set :CFBundleVersion ${version}" "${filepath}"