# 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