Open a file or commit from the current repository on GitHub.

repo

#!/bin/bash
# Open file or commit on Github

function usage {
  ME=${0##*/}
  echo "Options:"
  echo "  -f  Path to file"
  echo "  -b  Branch to target"
  echo "  -c  Commit to show"
  echo ""
  echo "Example Usage:"
  echo "  Open a specific file on Github using the default branch"
  echo "  $ME -f app/controllers/application_controller.rb"
  echo ""
  echo "  Specify the 'stable' branch as target"
  echo "  $ME -b stable -f app/controllers/application_controller.rb"
  echo ""
  echo "  Open a commit hash"
  echo "  $ME -c ddfecdf90a"
}

function open_url {
  if which xdg-open > /dev/null ; then
    xdg-open $1
  elif which gnome-open > /dev/null ; then
    gnome-open $1
  elif which open > /dev/null ; then
    open $1
  fi
  echo "Opened $1"
}

if [ -d .git ]; then

  # Set the default branch to current branch:
  # BRANCH=$(git rev-parse --abbrev-ref HEAD)
  BRANCH='master'

  while getopts ":b:f:c:" option
  do
    case "$option" in
      b) BRANCH=$OPTARG;;
      f) FILEPATH=$OPTARG;;
      c) COMMIT=$OPTARG;;
    esac
  done

  BASE=$(git config --get remote.origin.url | sed s/\\.git// | sed s/:/\\// | sed 's/.*github.com//'| sed 's/^[^\/]*/https:\/\/github.com/')

  if [[ -n "$COMMIT" ]] ; then
    echo "Opening commit hash..."

    open_url "$BASE/commit/$COMMIT"
  elif [[ -n "$FILEPATH" ]] ; then
    echo "Opening file on Github..."

    open_url "$BASE/blob/$BRANCH/$FILEPATH"
  else
    usage
  fi

else
  echo "Not a git repository"
fi

exit 0