ohmyzsh/plugins/wd/wd.sh
2014-03-04 20:25:54 +01:00

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#!/bin/zsh
# WARP
# ====
# Jump to custom directories in terminal
# because `cd` takes too long...
#
# @github.com/mfaerevaag/wd
## variables
CONFIG=$HOME/.warprc
## colors
BLUE="\033[96m"
GREEN="\033[92m"
YELLOW="\033[93m"
RED="\033[91m"
NOC="\033[m"
# check if config file exists
if [[ ! -a $CONFIG ]]
then
# if not: create config file
touch $CONFIG
fi
## load warp points
typeset -A points
while read line
do
arr=(${(s,:,)line})
key=${arr[1]}
val=${arr[2]}
points[$key]=$val
done < $CONFIG
## functions
# prepended wd_ to not conflict with your environment (no sub shell)
wd_warp()
{
if [[ $1 =~ "^\.+$" ]]
then
if [[ $#1 < 2 ]]
then
wd_print_msg $YELLOW "Warping to current directory?"
else
(( n = $#1 - 1 ))
#wd_print_msg $BLUE "Warping..."
cd -$n > /dev/null
fi
elif [[ ${points[$1]} != "" ]]
then
#wd_print_msg $BLUE "Warping..."
cd ${points[$1]}
else
wd_print_msg $RED "Unkown warp point '$1'"
fi
}
wd_add()
{
if [[ $2 =~ "^\.+$" || $2 =~ "^\s*$" ]]
then
wd_print_msg $RED "Illegal warp point (see README)."
elif [[ ${points[$2]} == "" ]] || $1
then
wd_remove $2 > /dev/null
print "$2:$PWD" >> $CONFIG
wd_print_msg $GREEN "Warp point added"
else
wd_print_msg $YELLOW "Warp point '$2' already exists. Use 'add!' to overwrite."
fi
}
wd_remove()
{
if [[ ${points[$1]} != "" ]]
then
if wd_tmp=`sed "/^$1:/d" $CONFIG`
then
# `>!` forces overwrite
# we need this if people use `setopt NO_CLOBBER`
echo $wd_tmp >! $CONFIG
wd_print_msg $GREEN "Warp point removed"
else
wd_print_msg $RED "Warp point unsuccessfully removed. Sorry!"
fi
else
wd_print_msg $RED "Warp point was not found"
fi
}
wd_show()
{
wd_print_msg $BLUE "Warp points to current directory:"
wd_list_all | grep $PWD$
}
wd_list_all()
{
wd_print_msg $BLUE "All warp points:"
while read line
do
if [[ $line != "" ]]
then
arr=(${(s,:,)line})
key=${arr[1]}
val=${arr[2]}
print "\t" $key "\t -> \t" $val
fi
done < $CONFIG
}
wd_print_msg()
{
if [[ $1 == "" || $2 == "" ]]
then
print " $RED*$NOC Could not print message. Sorry!"
else
print " $1*$NOC $2"
fi
}
wd_print_usage()
{
print "Usage: wd [add|-a|--add] [rm|-r|--remove] [ls|-l|--list] <point>"
print "\nCommands:"
print "\t add \t Adds the current working directory to your warp points"
print "\t add! \t Overwrites existing warp point"
print "\t rm \t Removes the given warp point"
print "\t show \t Outputs warp points to current directory"
print "\t ls \t Outputs all stored warp points"
print "\t help \t Show this extremely helpful text"
}
## run
# get opts
args=`getopt -o a:r:lhs -l add:,rm:,ls,help,show -- $*`
# check if no arguments were given
if [[ $? -ne 0 || $#* -eq 0 ]]
then
wd_print_usage
# check if config file is writeable
elif [[ ! -w $CONFIG ]]
then
wd_print_msg $RED "\'$CONFIG\' is not writeable."
# do nothing => exit
# can't run `exit`, as this would exit the executing shell
# i.e. your terminal
else
#set -- $args # WTF
for i
do
case "$i"
in
-a|--add|add)
wd_add false $2
break
;;
-a!|--add!|add!)
wd_add true $2
break
;;
-r|--remove|rm)
wd_remove $2
break
;;
-l|--list|ls)
wd_list_all
break
;;
-h|--help|help)
wd_print_usage
break
;;
-s|--show|show)
wd_show
break
;;
*)
wd_warp $i
break
;;
--)
break
;;
esac
done
fi
## garbage collection
# if not, next time warp will pick up variables from this run
# remember, there's no sub shell
unset points
unset args
unset val &> /dev/null # fixes issue #1