Git pull all branches

#!/bin/bash

# define colors
CYAN='\033[0;36m'
GREEN='\033[0;32m'
RED='\033[0;31m'
# no color
NC='\033[0m'

# check if this directory is a git repository
if [ ! -d .git ]; then
    printf "${RED}ERROR: this directory is not a git repository${NC}\n";
    exit 1
fi

#check if git is installed
if ! command -v git &> /dev/null; then
    printf "${RED}ERROR: git command not found${NC}\n";
    exit 1
fi

# get git command path
gitCommand=$(which git)

# get current branch
current=$(${gitCommand} branch | grep \* | sed 's/\* //g')

# loop over all local branches and pull them
${gitCommand} branch |sed 's/\* //g' |while read -r branch; do
    printf "\n${CYAN}PULL ${branch}${NC}\n";
    ${gitCommand} checkout "${branch}"
    ${gitCommand} pull
done

# return to initial branch
printf "\n${GREEN}RETURN TO ${current}${NC}\n";
${gitCommand} checkout "${current}"

exit 0