Shortcut to checkout a feature branch from a ticket number.

gitco.sh

#!/usr/bin/env bash
#
# Shortcut to checkout a feature branch from a ticket number.

KEY=-1
SEARCH=$1

# Require a parameter.
if [[ -z "$SEARCH" ]]; then
  echo "What are you searching for?"
  exit 1
fi

echo "Looking for branches with $SEARCH"

# Look for the pattern in git branches.
BRANCHES=(`git branch | grep $SEARCH`)

# Split up multiple results.
LIST=("EXIT")

# Why is this loading all files and directories as well as git branches?
#echo "${#BRANCHES[@]} items in branches"

# Exit of there are no matching branches.
if [ ${#BRANCHES[@]} == 0 ]; then
  echo "No branches matching $SEARCH."
  exit 0
fi

# If only one matching branch was found, check it out.
if [ ${#BRANCHES[@]} == 1 ]; then
  echo "Found 1 branch matching $SEARCH."
  git co $BRANCHES
  exit 0
fi

# There are multiple options, so give the user a choice.
echo "Found ${#BRANCHES[@]} possible matches..."
LIST=("${LIST[@]}" "${BRANCHES[@]}")
CNT=${#LIST[@]}

# Make sure the user picks a valid number.
while [[ $KEY < 0 ]] || [[ $KEY > $CNT ]]; do
  for (( i=0; i<${CNT}; i++ )); do
	ITEM=${LIST[$i]}
	echo "[$i] : $ITEM"
  done
  read -p "Choose a branch to checkout: " KEY
done

# Checkout the desired branch.
if [ $KEY == 0 ]; then
  echo "Nevermind."
else
  git checkout ${LIST[$KEY]}
fi