Bash Script to Help in Updating Go Dependencies

verup.sh

#!/usr/bin/env bash
#
# Performs the required steps to update minor dependencies 
# in a go project
#
if [[ $(git status --porcelain) ]] ; then 
    echo "================================"
    echo "Must be ran on a clean directory"
    echo "================================"
    echo
    git status
    exit 1
fi
MAINBRANCH=$(git branch --list -a | grep HEAD | awk -F\/ '{print $NF}')
echo "================================"
echo "  Switching to $MAINBRANCH"
echo "================================"
git checkout $MAINBRANCH
echo "================================"
echo "  Updating $MAINBRANCH"
echo "================================"
git pull
echo "================================"
echo "  Getting updated dependencies"
echo "================================"
go get -t -u ./...
if [[ -z $(git status --porcelain) ]] ; then 
    echo "================================"
    echo "   No dependencies to update"
    echo "================================"    
    exit 2
fi
echo "================================"
echo "     Tidy the dependencies"
echo "================================"
go mod tidy
if [ -d "./vendor" ]; then
    echo "================================"
    echo "   Updating vendor directory"
    echo "================================"
    go mod vendor
fi
echo "================================"
echo "        Running Tests"
echo "================================"
if [[ ! -x "$(command -v gotestsum)" ]] ; then
    go test ./...
else 
    gotestsum
fi
echo 
echo "Commit changes (y/n?)"
read -r answer
if [[ "$answer" =~ ^(y|Y|yes)$ ]] ; then
    BRANCH=$(date '+update-deps-%m-%d-%y_%H-%M-%S')
    git checkout -b $BRANCH
    if [ -d "./vendor" ]; then
        git add vendor
    fi
    git commit -am "Updating minor versions of dependencies"
    git push
    git checkout $MAINBRANCH
fi