Opens github.com url of a file corresponding to a local file

ghurl.sh

# Usage: ghurl <filepath>
# Opens the file in github corresponding to a local path. Respects repo name, branch name (defaults to master).
function ghurl() {
  domain='http://github.com' &&
  repo=$(git config --get remote.origin.url | cut -d: -f2 | cut -d. -f1) &&
  # Fallback to master branch
  remoteBranch=$(git rev-parse --abbrev-ref --symbolic-full-name @{u} 2>/dev/null || echo 'master') &&
  # Remove origin prefix
  remoteBranch=${remoteBranch#origin/} &&
  currentDir=$PWD &&
  gitTopLevel=$(git rev-parse --show-toplevel) &&
  pathRelativeToBaseRepo=${currentDir#${gitTopLevel}}/${1} &&
  # echo Remote branch is ${remoteBranch} &&
  # echo current Dir is ${currentDir} &&
  # echo gitTopLevel is ${gitTopLevel} &&
  # echo pathRelativeToBaseRepo is ${pathRelativeToBaseRepo}
  url=${domain}/${repo}/tree/${remoteBranch}/${pathRelativeToBaseRepo} &&
  # echo url is ${url} &&
  open ${url}
}