git-checkout-latest-tag

#!/usr/bin/env bash
##
# check out latest semvar tag from git master repo
##

## exit if script fails
set -e

## get current branch checked out
CURRENT=`git rev-parse --abbrev-ref HEAD`

## check if current branch is master
if [ "$CURRENT" = "master" ]; then
	## debug
	git tag | sed -e 's/[^0-9\.]//g' | sort -V
    
	## get latest tag from master
	##TAG=`git tag | sort -V | tail -n1`
	TAG=$(git tag | sed -e 's/[^0-9\.]//g' | sort -V | tail -n1)

	## log latest tag from master
	echo "latest tag: $TAG"

	echo "########## LATEST TAG FROM BRANCH ##########"
	git describe --always --abbrev=0
	echo "########## END LATEST TAG FROM BRANCH ##########"

	echo "########## CURRENTLY CHECKED OUT ##########"
	git rev-parse --abbrev-ref HEAD
	echo "########## END CURRENTLY CHECKED OUT ##########"

	echo "########## CHECKING OUT LATEST TAG ##########"
	git checkout $TAG
	echo "########## END CHECKING OUT LATEST TAG ##########"

	echo "########## NOW CHECKED OUT ##########"
	git describe --always --abbrev=0
	echo "########## END NOW CHECKED OUT ##########"
else
	echo “none production build”

	## get branch name from git
	branch=$(git rev-parse --abbrev-ref HEAD)
fi