git-switch-create.sh

#!/bin/bash

set -euo pipefail

# Check if git command exists
if ! command -v git &> /dev/null; then
  echo "Error: git command not found. Please install Git."
  exit 1
fi


PREFIX=$1

# Check if the prefix is provided
if [ -z "${PREFIX}" ]; then
    read -p "Please enter the prefix (e.g., 'feature'): " PREFIX
fi

# Check if the prefix is valid
if [[ ! "${PREFIX}" =~ ^[a-zA-Z0-9._-]+$ ]]; then
    echo "Error: Invalid prefix. Only alphanumeric characters, dots, underscores, and hyphens are allowed."
    exit 1
fi

BRANCH_NAME=$2

# Check if the branch name is provided
if [ -z "${BRANCH_NAME}" ]; then
    read -p "Please enter the branch name (e.g., 'new-branch'): " BRANCH_NAME
fi


# Trim the branch name from all special characters, convert to lowercase, convert all spaces to hyphens
BRANCH_NAME=$(echo "${BRANCH_NAME}" | sed 's/[^a-zA-Z0-9]/-/g; s/-\+/-/g; s/\/-/-/g; s/-$//g' | tr '[:upper:]' '[:lower:]')

CHAR_LIMIT=64
BRANCH_FULLNAME="${PREFIX}/${BRANCH_NAME}"

# Trim the branch name to the character limit
BRANCH_FULLNAME=$(echo "${BRANCH_FULLNAME}" | cut -c1-${CHAR_LIMIT})

echo "Creating and switching to branch: ${BRANCH_FULLNAME}"
git switch -c ${BRANCH_FULLNAME}