# Directory stack navigation:
#
# Add to stack with: pu /path/to/directory
# Delete current dir from stack with: po
# Show stack with: d
# Jump to location by number.

cite about-plugin
about-plugin directory stack navigation

# Show directory stack
alias d="dirs -v -l"

# Change to location in stack bu number
alias 1="pushd"
alias 2="pushd +2"
alias 3="pushd +3"
alias 4="pushd +4"
alias 5="pushd +5"
alias 6="pushd +6"
alias 7="pushd +7"
alias 8="pushd +8"
alias 9="pushd +9"

# Clone this location
alias pc="pushd \`pwd\`"

# Push new location
alias pu="pushd"

# Pop current location
alias po="popd"

function dirs-help() {
  about directory navigation alias usage
  group dirs

  echo "Directory Navigation Alias Usage"
  echo
  echo "Use the power of directory stacking to move"
  echo "between several locations with ease."
  echo
  echo "d	: Show directory stack."
  echo "po	: Remove current location from stack."
  echo "pc	: Adds current location to stack."
  echo "pu <dir>: Adds given location to stack."
  echo "1	: Chance to stack location 1."
  echo "2	: Chance to stack location 2."
  echo "3	: Chance to stack location 3."
  echo "4	: Chance to stack location 4."
  echo "5	: Chance to stack location 5."
  echo "6	: Chance to stack location 6."
  echo "7	: Chance to stack location 7."
  echo "8	: Chance to stack location 8."
  echo "9	: Chance to stack location 9."
}


# ADD BOOKMARKing functionality
# usage:

if [ ! -f ~/.dirs ]; then  # if doesn't exist, create it
    touch ~/.dirs
else
    source ~/.dirs
fi

alias L='cat ~/.dirs'

G () {				# goes to distination dir otherwise , stay in the dir
    about goes to destination dir
    param 1: directory
    example '$ G ..'
    group dirs

    cd ${1:-$(pwd)} ;
}

S () {				# SAVE a BOOKMARK
    about save a bookmark
    group dirs

    sed "/$@/d" ~/.dirs > ~/.dirs1;
    \mv ~/.dirs1 ~/.dirs;
    echo "$@"=\"`pwd`\" >> ~/.dirs;
    source ~/.dirs ;
}

R () {				# remove a BOOKMARK
    about remove a bookmark
    group dirs

    sed "/$@/d" ~/.dirs > ~/.dirs1;
    \mv ~/.dirs1 ~/.dirs;
}

alias U='source ~/.dirs' 	# Update BOOKMARK stack
# set the bash option so that no '$' is required when using the above facility
shopt -s cdable_vars