<<<<<<<<<< STILL IN ALPHA, HAVING SOME MAJOR KNOWN BUG. USE IT ON YOUR RESPONSIBILITY >>>>>>>>>>>>>>> KNOWN ISSUES : 1] Not able to handle major and minor version change. This automatic version generator. basis of following format Major version.Minor Version.Revision It keeps updating the revision. This script automatically add two custom proper…

xcode-versionString-generator.sh

# xcode-version-generator.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)


############################FUNCTIONS PRESENT IN SCRIPT ##########################
#debugMsg() : print the debug msg all over in script and turn them off with single switch
#addPropertyToList() : Function to add propert to plist takes 3 agrs prop name, type and value
#updatePlist() : updating the plist if properties already exists
#versionValues() : printing current value of version variables
#whatsUpdate()
#extractVersionNumbers() : Extracting major, minor and revision from version string
#extractPreviousVersionNumbers() :Extracting major, minor and revision from previous version string
##################################################################################

## ONLY UNCOMMENT BELOW LINE FOR THE PURPOSE OF DEBUGGING
#set -x

######### DEBUG MSG function YES to Enable, No to Disable 
DEBUG="NO" # Set DEBUG YES(Enable) or NO(Disable)

#DEFINEING THE CONST VALUES
#plistFile="${PROJECT_DIR}/${INFOPLIST_FILE}"
plistFile="InfoT2.plist"



### DEBUG Message function 
debugMsg()
{
	if [[ $DEBUG == "YES" ]]
	then
	echo "DEBUG MESSAGE---> $1"
	fi
}

#addPropertyToList()
#{
	#if [[ $# -ne 3 ]]
	#	echo "Not enough arguments to add property to the list"
		#exit 1
	#else
	#	echo " DO something "
#	fi 
	
#}


##### FUNCTION TO UPDATE plist 
updatePlist()
{

#/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $NEWVERSIONSTRING" "${PROJECT_DIR}/${INFOPLIST_FILE}"
NEWVERSIONSTRING=`echo $MAJORVERSION.$MINORVERSION.$REVISION`
/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $NEWVERSIONSTRING" $plistFile
debugMsg "Exit Code is $?"
echo "Setting CFBundleShortVersionString property to $NEWVERSIONSTRING."

#Setting up Previous Version String
PVERSIONSTRING=`echo $PMAJORVERSION.$PMINORVERSION.$(($REVISION - 1))`
/usr/libexec/PlistBuddy -c "Set :CustomPreviousBundleShortVersionString $PVERSIONSTRING" $plistFile
debugMsg "Exit Code is $?"
echo "Setting CustomPreviousBundleShortVersionString property to $PVERSIONSTRING."

}  #end of function


versionValues()
{
	echo "Version values as follows:"
	echo "Current version $VERSIONSTRING"
	echo "New version NEWVERSIONSTRING"
	echo "Previous version $PVERSIONSTRING"
} #End of funtion

whatsUpdate()
{
	echo "$plist File is updated with follwoing values "
	echo "New version: CFBundleShortVersionString = $NEWSUBVERSION"
	echo "Previous version: CustomPreviousBundleShortVersionString = $PVERSIONSTRING"
} #ENd of function

#Extract Major, Minor and Revision from Version String
extractVersionNumbers() 
{
	MAJORVERSION=`echo $VERSIONSTRING | awk -F "." '{print $1}'`
	MINORVERSION=`echo $VERSIONSTRING | awk -F "." '{print $2}'`
	REVISION=`echo $VERSIONSTRING | awk -F "." '{print $3}'`
}

#Extract Major, Minor and Revision from PRevious Version String
extractPreviousVersionNumbers()
{
	#Extracting Previous Version 
	PMAJORVERSION=`echo $PVERSIONSTRING | awk -F "." '{print $1}'`
	PMINORVERSION=`echo $PVERSIONSTRING | awk -F "." '{print $2}'`
	PREVISION=`echo $PVERSIONSTRING | awk -F "." '{print $3}'`
}



#Read the if Property file 
# This splits a two-decimal version string, such as "0.45.123", allowing us to increment the third position.
#VERSIONSTRING=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "${PROJECT_DIR}/${INFOPLIST_FILE}")
#PVERSIONSTRING=$(/usr/libexec/PlistBuddy -c "Print CustomPreviousBundleShortVersionString" "${PROJECT_DIR}/${INFOPLIST_FILE}")

#VERSIONBUILB=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${PROJECT_DIR}/${INFOPLIST_FILE}")
#PVERSIONBUILD=$(/usr/libexec/PlistBuddy -c "Print CustomPreviousBundleVersion" "${PROJECT_DIR}/${INFOPLIST_FILE}")

VERSIONSTRING=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" $plistFile)
VERSIONBUILB=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" $plistFile)

PVERSIONSTRING=$(/usr/libexec/PlistBuddy -c "Print CustomPreviousBundleShortVersionString" $plistFile)
RETURNPVERSIONSTRING=$?
debugMsg "Return code for version built $RETURNPVERSIONSTRING"
PVERSIONBUILD=$(/usr/libexec/PlistBuddy -c "Print CustomPreviousBundleVersion" $plistFile)
RETURNPVERSIONBUID=$?
debugMsg "Return code for build number $RETURNPVERSIONBUID"

#PVERSIONSTRING
#VERSIONSTRING="1.2.0"
#VERSIONBUILB='3212013'

if [[ $RETURNPVERSIONSTRING -ne 0 ]] #Previous version property does not exists
then
	echo "Previous version string does not exists"
	echo "Creating property CustomPreviousBundleShortVersionString."
	#### AUTOMATIC PROPERTY CREATETOR CODE 
	/usr/libexec/PlistBuddy -c "Add :CustomPreviousBundleShortVersionString String $VERSIONSTRING" $plistFile
	echo "Write process is done, return code is $?. Zero means property created with value $VERSIONSTRING"
	PVERSIONSTRING=$VERSIONSTRING
else 
	debugMsg "Previous version number exists, it is $PVERSIONSTRING."
	extractVersionNumbers #Extract Major, Minor and Revision from Version String
	extractPreviousVersionNumbers #Extract Major, Minor and Revision from PRevious Version String
	
	if [[ $MINORVERSION -gt $PMINORVERSION ]]
	then
		debugMsg "Minor version is incremented. Setting revision to Zero"
		REVISION=0
		updatePlist #Function Call
		#versionValues #Function Call
	else
		PVERSIONSTRING=$VERSIONSTRING
		debugMsg "Incrementing Revision By One"
		REVISION=$(($REVISION + 1))
		updatePlist #Function Call
		#versionValues #Function Call
		debugMsg "new = $NEWVERSIONSTRING, Previous = $PVERSIONSTRING"
	fi
	
fi

#### SYNCING Current and Previous version String
if [[ $MAJORVERSION -ne $PMAJORVERSION || $MINORVERSION -ne $PMINORVERSION ]]
then 
	echo "Current and previous version strings are out of sync. Manual override needed"
else
	echo "Current and previous version string are in sync. No action needed"
fi

if [[ $REVISION -gt 0 && $REVISION < $PREVISION ]]
then
	PREVISION=$(($REVISION - 1))
fi 

if [[ $RETURNPVERSIONBUID -ne 0 ]]
then    
        echo "Previous Build Number does not exists"
        echo "You need to make property CustomPreviousBundleVersion maually"
	#### AUTOMATIC PROPERTY CREATETOR CODE IS BELOW
	/usr/libexec/PlistBuddy -c "Add :CustomPreviousBundleVersion String $VERSIONBUILB" $plistFile
	debugMSG "Write process is done, return code is $?"
	PVERSIONBUILD=$VERSIONBUILB
else
        debugMsg "Previous build number exists, it is $PVERSIONBUILD."
fi

debugMsg "[$PVERSIONSTRING]"
debugMsg "[$PVERSIONBUILD]"

#/usr/libexec/PlistBuddy -c "Add :CustomPreviousBundleShortVersionString String $VERSIONSTRING" "InfoT2.plist"
#echo "Write process is done, return code is $?"

##########################################################################


#NEWVERSIONSTRING=`echo $VERSIONSTRING | awk -F "." '{print $1 "." $2 ".'$NEWSUBVERSION'" }'`




#/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $NEWVERSIONSTRING" "${PROJECT_DIR}/${INFOPLIST_FILE}"
#/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $NEWVERSIONSTRING" "InfoT2.plist"
#echo "Setting CFBundleShortVersionString property to $NEWVERSIONSTRING. Exit Code is $?"

#Setting up Previous Version String
#PVERSIONSTRING=`echo $PMAJORVERSION.$PMINORVERSION.$PREVISION`
#/usr/libexec/PlistBuddy -c "Set :CustomPreviousBundleShortVersionString $PVERSIONSTRING" "InfoT2.plist"
#echo "Setting CustomPreviousBundleShortVersionString property to $VERSIONSTRING. Exit Code is $?"