vagrant.dotfiles.bash

# alias
# user level
alias gs='git status'
alias ga='git add'
alias got='git'
alias gut='git'
alias dck='docker'
alias dckr='docker'
alias dckrclean='docker rm $(docker ps -a -q)'

########################
# environment variable settings
# user level

alias l='ls'
alias ll='ls -lrth'
alias lla='ls -lrha'
alias la='ls -a'
alias ..='cd ..'
alias tailf='tail -100f'

# bash_prompt

	 RED="\[\033[0;31m\]"
     YELLOW="\[\033[1;33m\]"
      GREEN="\[\033[0;32m\]"
       BLUE="\[\033[1;34m\]"
  LIGHT_RED="\[\033[1;31m\]"
LIGHT_GREEN="\[\033[1;32m\]"
      WHITE="\[\033[1;37m\]"
 LIGHT_GRAY="\[\033[0;37m\]"
 LIGHT_PURPLE="\[\033[1;35m\]"
 COLOR_NONE="\[\e[0m\]"

# Detect whether the current directory is a git repository.
function is_git_repository {
  git branch > /dev/null 2>&1
}

# Determine the branch/state information for this git repository.
function set_git_branch {
  # Capture the output of the "git status" command.
  git_status="$(git status 2> /dev/null)"

  # Set color based on clean/staged/dirty.
  if [[ ${git_status} =~ "clean" ]]; then
	state="${GREEN}"
  elif [[ ${git_status} =~ "Changes to be committed" ]]; then
    state="${YELLOW}"
  else
    state="${LIGHT_RED}"
  fi

  # this method is version independent
  local branch="$(git rev-parse --abbrev-ref HEAD)"
  nbr_commits_diff=""

  remote_name="$(git config branch.$branch.remote)"
  remote_name_ret_code=$?

  if [[ $remote_name_ret_code -eq 0 ]]; then
      remote="$remote_name/$branch"
      local nbr_commits_behind="$(git rev-list --count $branch..$remote)"
      local nbr_commits_ahead="$(git rev-list --count $remote..$branch)"
      if [ $nbr_commits_ahead -ne "0" ] && [ $nbr_commits_behind -ne "0" ]; then
          nbr_commits_diff="|+$nbr_commits_ahead|-$nbr_commits_behind"
      elif [ $nbr_commits_ahead -ne "0" ] && [ $nbr_commits_behind -eq "0" ]; then
          nbr_commits_diff="|+$nbr_commits_ahead"
      elif [ $nbr_commits_ahead -eq "0" ] && [ $nbr_commits_behind -ne "0" ]; then
          nbr_commits_diff="|-$nbr_commits_behind"
      fi
  else
      # leave me alone
      echo "(no remote available)" > /dev/null
  fi

  # Set the final branch string.
  BRANCH="${state}(${branch}${nbr_commits_diff})${COLOR_NONE} "
}

# Return the prompt symbol to use, colorized based on the return value of the
# previous command.
function set_prompt_symbol () {
  if test $1 -eq 0 ; then
      PROMPT_SYMBOL="${LIGHT_PURPLE}\$${COLOR_NONE}"
  else
      PROMPT_SYMBOL="${LIGHT_RED}\$${COLOR_NONE}"
  fi
}

# Determine active Python virtualenv details.
function set_virtualenv () {
  if [ -n "$CONDA_DEFAULT_ENV" ]; then
     PY_VENV=$CONDA_DEFAULT_ENV
  elif [ -n "$VIRTUAL_ENV" ]; then
	 PY_VENV=$VIRTUAL_ENV
  fi
  if test -z "$PY_VENV" ; then
      PYTHON_VIRTUALENV=""
  else
      PYTHON_VIRTUALENV="${BLUE}[`basename \"$PY_VENV\"`]${COLOR_NONE} "
  fi
  unset PY_VENV
}

# Set the full bash prompt.
function set_bash_prompt () {
  # Set the PROMPT_SYMBOL variable. We do this first so we don't lose the
  # return value of the last command.
  set_prompt_symbol $?

  # Set the PYTHON_VIRTUALENV variable.
  set_virtualenv

  # Set the BRANCH variable.
  if is_git_repository ; then
    set_git_branch
  else
    BRANCH=''
  fi

  # Set the bash prompt variable.
  PS1="${PYTHON_VIRTUALENV}${GREEN}\u ${YELLOW}\w${COLOR_NONE} ${BRANCH}${PROMPT_SYMBOL} "
}

# Tell bash to execute this function just before displaying its prompt.
PROMPT_COMMAND=set_bash_prompt