Auto-increment Xcode project number

auto-increment.sh

#!/bin/sh

#
# auto-increment.sh
# Author: Mark Battistella
# Website: https://markbattistella.com
#

# get the path for the config file
CONFIG_FILE="${PROJECT_DIR}/Shared/Data/Config.xcconfig"

# get the git commit count
GIT_COMMIT_COUNT=`git rev-list --all --count`

# get the git commit hash
NEW_GIT_COMMIT_HASH=`git log -1 --pretty="%h"`

# read the old values
CURRENT_PROJECT_VERSION=`source   "$CONFIG_FILE"; echo $CURRENT_PROJECT_VERSION`
CURRENT_MARKETING_VERSION=`source "$CONFIG_FILE"; echo $MARKETING_VERSION`
CURRENT_GIT_COMMIT_HASH=`source   "$CONFIG_FILE"; echo $GIT_COMMIT_HASH`


# splits a two-decimal version string, such as "4.1.9"
MAJORVERSION=`echo "$CURRENT_MARKETING_VERSION" | awk -F "." '{print $1}'`
MINORVERSION=`echo "$CURRENT_MARKETING_VERSION" | awk -F "." '{print $2}'`
PATCHVERSION=`echo "$CURRENT_MARKETING_VERSION" | awk -F "." '{print $3}'`

# increment the patch version
PATCHVERSION=$(($PATCHVERSION + 1))

# only do this on git commits
# -- if the old one is the same as the current
# -- then exit
if [ "$NEW_GIT_COMMIT_HASH" == "$CURRENT_GIT_COMMIT_HASH" ]; then

	echo "Info: no changes in git commits"
	exit 0

# -- otherwise there are changes
# -- so lets update the file
else

	# check if there is a build number to bump
	if [ -z "$CURRENT_PROJECT_VERSION" ]; then
		echo "Error: Empty build number"
		exit 0
	fi
	
	# set the build number to commits
	CURRENT_PROJECT_VERSION=$GIT_COMMIT_COUNT

	# check the version values
	# -- if patch is 10, reset to 0
	# -- bump minor version +1
	if [ "$PATCHVERSION" -gt 9 ]; then
		PATCHVERSION=$(($PATCHVERSION % 10))
		MINORVERSION=$(($MINORVERSION + 1))
	fi

	# -- if minor is 10, reset to 0
	# -- bump major version +1
	if [ "$MINORVERSION" -gt 9 ]; then
		MINORVERSION=$(($MINORVERSION % 10))
		MAJORVERSION=$(($MAJORVERSION + 1))
	fi

	# set new version number
	NEW_VERSION_STRING=`echo $VERSIONNUM | awk -F "." '{ print '$MAJORVERSION' "." '$MINORVERSION' ".'$PATCHVERSION'" }'`

	# -- delete the old lines
	echo "`sed /^CURRENT_PROJECT_VERSION/d "$CONFIG_FILE"`"    > $CONFIG_FILE
	echo "`sed /^MARKETING_VERSION/d "$CONFIG_FILE"`"          > $CONFIG_FILE
	echo "`sed /^GIT_COMMIT_HASH/d "$CONFIG_FILE"`"            > $CONFIG_FILE

	# -- add in the new values
	echo "CURRENT_PROJECT_VERSION=$CURRENT_PROJECT_VERSION"  >> $CONFIG_FILE
	echo "MARKETING_VERSION=$NEW_VERSION_STRING"             >> $CONFIG_FILE
	echo "GIT_COMMIT_HASH=$NEW_GIT_COMMIT_HASH"              >> $CONFIG_FILE
	
fi

Not sure if 100% working, but using the git commit number as the build number:

#!/bin/sh

#
# auto-increment.sh
# Author: Mark Battistella
# Website: https://markbattistella.com
#

# get the path for the config file
CONFIG_FILE="${PROJECT_DIR}/Shared/Data/Config.xcconfig"

# get the git commit count
GIT_COMMIT_COUNT=`git rev-list --all --count`

# get the git commit hash
NEW_GIT_COMMIT_HASH=`git log -1 --pretty="%h"`

# read the old values
CURRENT_PROJECT_VERSION=`source "$CONFIG_FILE"; echo $CURRENT_PROJECT_VERSION`
CURRENT_MARKETING_VERSION=`source "$CONFIG_FILE"; echo $MARKETING_VERSION`
CURRENT_GIT_COMMIT_HASH=`source "$CONFIG_FILE"; echo $GIT_COMMIT_HASH`

# splits a two-decimal version string, such as "4.1.9"
MAJORVERSION=`echo "$CURRENT_MARKETING_VERSION" | awk -F "." '{print $1}'`
MINORVERSION=`echo "$CURRENT_MARKETING_VERSION" | awk -F "." '{print $2}'`
PATCHVERSION=`echo "$CURRENT_MARKETING_VERSION" | awk -F "." '{print $3}'`

# increment the patch version
PATCHVERSION=$(($PATCHVERSION + 1))

# only do this on git commits
# -- if the old one is the same as the current
# -- then exit
if [ "$NEW_GIT_COMMIT_HASH" == "$CURRENT_GIT_COMMIT_HASH" ]; then
    echo "Info: no changes in git commits"
    exit 0
else
    # set the build number to the total number of commits
    CURRENT_PROJECT_VERSION=$GIT_COMMIT_COUNT

    # check the version values
    # -- if patch is 10, reset to 0
    # -- bump minor version +1
    if [ "$PATCHVERSION" -gt 9 ]; then
        PATCHVERSION=$(($PATCHVERSION % 10))
        MINORVERSION=$(($MINORVERSION + 1))
    fi

    # -- if minor is 10, reset to 0
    # -- bump major version +1
    if [ "$MINORVERSION" -gt 9 ]; then
        MINORVERSION=$(($MINORVERSION % 10))
        MAJORVERSION=$(($MAJORVERSION + 1))
    fi

    # set new version number
    NEW_VERSION_STRING="$MAJORVERSION.$MINORVERSION.$PATCHVERSION"

    # write the new values
    sed -i '' "/CURRENT_PROJECT_VERSION/d" "$CONFIG_FILE"
    sed -i '' "/MARKETING_VERSION/d" "$CONFIG_FILE"
    sed -i '' "/GIT_COMMIT_HASH/d" "$CONFIG_FILE"

    echo "CURRENT_PROJECT_VERSION=$CURRENT_PROJECT_VERSION" >> $CONFIG_FILE
    echo "MARKETING_VERSION=$NEW_VERSION_STRING" >> $CONFIG_FILE
    echo "GIT_COMMIT_HASH=$NEW_GIT_COMMIT_HASH" >> $CONFIG_FILE
fi