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Xcode Auto-incrementing Version and Build numbers
# forked from Luke Jernejcic http://mostlybinary.com/2012/04/03/how-to-auto-increment-your-ios-build-number/
BUILDNUM=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${PROJECT_DIR}/${INFOPLIST_FILE}")
BUILDNUM=$(($BUILDNUM + 1))
/usr/libexec/PlistBuddy -c "Set :CFBundleVersion $BUILDNUM" "${PROJECT_DIR}/${INFOPLIST_FILE}"
# this splits a two-decimal version string, such as "0.45.123", allowing us to replace the latest build number at the 3rd position
VERSIONNUM=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "${PROJECT_DIR}/${INFOPLIST_FILE}")
NEWVERSIONSTRING=`echo $VERSIONNUM | awk -F"." '{print $1 "." $2 ".'$BUILDNUM'" }'`
/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $NEWVERSIONSTRING" "${PROJECT_DIR}/${INFOPLIST_FILE}"
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