[BK-2020-03.git] / unitproc / bkmvln

#!/bin/bash
#
# inspired by https://stackoverflow.com/questions/8523159/how-do-i-move-a-relative-symbolic-link#8523293
#          by Christopher Neylan

help() {
   echo 'usage: mv_ln src_ln dest_dir'
   echo '       mv_ln --help'
   echo
   echo '  Move the symbolic link src_ln into dest_dir while'
   echo '  keeping it relative'
   exit 1
}

[ "$1" == "--help" ] || [ ! -L "$1" ] || [ ! -d "$2" ] && help

set -e # exit on error

orig_link="$1"
orig_name=$( basename    "$orig_link" )
orig_dest=$( readlink -f "$orig_link" )
dest_dir="$2"

ln -r -s "$orig_dest" "$dest_dir/$orig_name"
rm "$orig_link"
Commit	Line	Data
bed7eb8f SBS	1	#!/bin/bash
	2	#
	3	# inspired by https://stackoverflow.com/questions/8523159/how-do-i-move-a-relative-symbolic-link#8523293
	4	# by Christopher Neylan
	5
	6	help() {
	7	echo 'usage: mv_ln src_ln dest_dir'
	8	echo ' mv_ln --help'
	9	echo
	10	echo ' Move the symbolic link src_ln into dest_dir while'
	11	echo ' keeping it relative'
	12	exit 1
	13	}
	14
	15	[ "$1" == "--help" ] \|\| [ ! -L "$1" ] \|\| [ ! -d "$2" ] && help
	16
	17	set -e # exit on error
	18
	19	orig_link="$1"
	20	orig_name=$( basename "$orig_link" )
	21	orig_dest=$( readlink -f "$orig_link" )
	22	dest_dir="$2"
	23
	24	ln -r -s "$orig_dest" "$dest_dir/$orig_name"
	25	rm "$orig_link"