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#! /bin/bash
# A command-line script for incrementing build numbers for all known targets in an Xcode project.
#
# This script has two main goals: firstly, to ensure that all the targets in a project have the
# same CFBundleVersion and CFBundleShortVersionString values. This is because mismatched values
# can cause a warning when submitting to the App Store.
#
# Secondly, the script ensures that the build number is incremented when changes are declared
# based on git's records. Alternatively the number of commits can be used, and is toggled by using
# the argument "--reflect-commits". If not on "master", the current branch name will be used to
# ensure no version collisions across branches.
#
# If not using git, you are a braver soul than I.
# #
# The xcodeproj. This is usually found by the script, but you may need to specify its location
# if it's not in the same folder as the script is called from (the project root if called as a
# build phase run script).
#
# xcodeproj="Project.xcodeproj"
# #
# We have to define an Info.plist as the source of truth. This is typically the one for the main
# target. If not set, the script will try to guess the correct file from the list it gathers from
# the xcodeproj file, but this can be overriden by setting the path here.
#
# plist="Project/Info.plist"
# We use PlistBuddy to handle the Info.plist values. Here we define where it lives.
plistBuddy=" /usr/libexec/PlistBuddy"
# Get the xcodeproj if we don't already have it
if [[ -z ${xcodeproj} ]]; then
xcodeproj=$( find . -depth 1 -name " *.xcodeproj" | sed -e ' s/^\.\///g' )
echo " Xcode Project: ${xcodeproj} "
fi
# Find unique references to Info.plist files in the project
projectFile=" ${xcodeproj} /project.pbxproj"
plists=$( grep " ^\s*INFOPLIST_FILE.*$" " ${projectFile} " | sed -e ' s/^[^"]*"//g' | sed -e ' s/"[^"]*$//g' | sort | uniq)
# Attempt to guess the plist based on the list we have
if [[ -z ${plist} ]]; then
read -r plist <<< " ${plists}"
echo " Source Info.plist: ${plist} "
fi
# Find the current build number in the main Info.plist
mainBundleVersion=$( " ${plistBuddy} " " Print CFBundleVersion" " ${plist} " )
mainBundleShortVersionString=$( " ${plistBuddy} " " Print CFBundleShortVersionString" " ${plist} " )
echo " Current project version is ${mainBundleShortVersionString} (${mainBundleVersion} )."
# Increment the build number if git says things have changed. Note that we also check the main
# Info.plist file, and if it has already been modified, we don't increment the build number.
# Alternatively, if the script has been called using "--reflect-commits", we just update to the
# current number of commits
git=$( sh /etc/profile; which git)
if [[ -n $1 ]] && [[ $1 == " --reflect-commits" ; then
mainBundleVersion=$( " ${git} " )
branchName=$( " ${git} " )
if [[ branchName != " master" ; then
mainBundleVersion=" ${mainBundleVersion} -${branchName} "
fi
else
status=$( " ${git} " )
if [[ ${# status} != 0 ]] && [[ $status != * " M ${plist} " * ]]; then
mainBundleVersion=$(( ${mainBundleVersion} + 1 ))
fi
fi
# Update all of the Info.plist files we discovered
while read -r thisPlist; do
# Find out the current version
thisBundleVersion=$( " ${plistBuddy} " " Print CFBundleVersion" " ${thisPlist} " )
thisBundleShortVersionString=$( " ${plistBuddy} " " Print CFBundleShortVersionString" " ${thisPlist} " )
# Update the CFBundleVersion if needed
if [[ ${thisBundleVersion} != ${mainBundleVersion} ]]; then
echo " Updating \" ${thisPlist} \" with build ${mainBundleVersion} …"
" ${plistBuddy} " " Set :CFBundleVersion ${mainBundleVersion} " " ${thisPlist} "
fi
# Update the CFBundleShortVersionString if needed
if [[ ${thisBundleShortVersionString} != ${mainBundleShortVersionString} ]]; then
echo " Updating \" ${thisPlist} \" with marketing version ${mainBundleShortVersionString} …"
" ${plistBuddy} " " Set :CFBundleShortVersionString ${mainBundleShortVersionString} " " ${thisPlist} "
fi
done <<< " ${plists}"
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