Use agvtool to set Xcode project build number

set_agv_ver.sh

#!/bin/bash

#
# Use agvtool to set Xcode project version number, bump build number and create git tag
# Note: requires Xcode project configured to use Apple Generic Versioning and git
#
# Usage: set_agv_ver.sh 1.1.0
#
# src: https://gist.github.com/julien1619/5672496ec97c13626c05
# forked from: https://gist.github.com/rob-murray/8644974
#

NOTE="'set_agv_ver.sh' will set version number of Xcode project"

# just increment the version
function bump_build_version() {
    # bump the version number
    $(agvtool next-version -all &> /dev/null)
}

# set Xcode project to version passed as argument
function set_marketing_version() {
    local _version="$1"

    if [[ -z "$_version" ]]
    then
        echo "Marketing version is empty."
        exit
    fi

    # bump the version number
    $(agvtool new-marketing-version $_version &> /dev/null)
}

function getAgvMarketingVersion() {
    agvtool what-marketing-version -terse1
}

function getAgvBuildVersion() {
    agvtool what-version -terse
}

# function git_tag(label, message)
function git_tag() {

    local _label="$1"
    local _message="$2"

    if [[ -z "$_label" ]]
    then
        echo "Param label is empty."
        exit
    fi

    if [[ -z $_message ]]
    then
        echo "Param message is empty."
        exit
    fi

    git tag -a $_label -m "$_message"
    git push --tags
}

# entry
if [ $# -lt 1 ]
then
  echo "Usage: $0 version_id"
  exit
fi

VERSION="$1"

echo "$NOTE"

set_marketing_version $VERSION
bump_build_version

# grab the marketing and build versions
marketing_version=`getAgvMarketingVersion`
build_version=`getAgvBuildVersion`

# will tag in this format; e.g. {marketing_version}.{build_version} 2.1.4.68
version_id="$marketing_version.$build_version"

# commit changes and tag
git_tag $version_id "Version $marketing_version - build $build_version"

echo "Set Xcode project to marketing version $marketing_version, build version $build_version and tagged with label $version_id"