Auto Increment Version Number

# xcode-version-bump.sh
# @desc Auto-increment the version number (only) when a project is archived for export. 
# @usage
# 1. Select: your Target in Xcode
# 2. Select: Build Phases Tab
# 3. Select: Add Build Phase -> Add Run Script
# 4. Paste code below in to new "Run Script" section
# 5. Check the checkbox "Run script only when installing"
# 6. Drag the "Run Script" below "Link Binaries With Libraries"
# 7. Insure your starting version number is in SemVer format (e.g. 1.0.0) 
 
# This uses the current date as subversion string, such as "1.03.06", allowing us to increment the second & third position.
 DATE=`date +%-m.%-d`
 VERSIONNUM=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "${PROJECT_DIR}/${INFOPLIST_FILE}")
 MINOR=`echo $DATE | awk -F "." '{print $1}'`
 PATCH=`echo $DATE | awk -F "." '{print $2}'`
 NEWVERSIONSTRING=`echo $VERSIONNUM | awk -F "." '{print $1 "." '$MINOR' ".'$PATCH'" }'`
 /usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $NEWVERSIONSTRING" "${PROJECT_DIR}/${INFOPLIST_FILE}"