dcos/symlink_check at master · DominikDary/dcos

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#!/bin/bash

set -o errexit -o nounset -o pipefail

# TODO: Convert to a tox unit test

function main {

if [ $# -eq 0 ]

then

msg "ERROR: must provide directories to scan as an argument"

exit 1

hash symlinks 2>/dev/null || { sudo apt-get -y install symlinks >/dev/null; }

local non_relative_links=$(symlinks -vr "$@" 2>/dev/null|grep -v '^relative:')

if [ "$non_relative_links" ]

then

msg "ERROR: Non-relative symlinks detected"

msg "$non_relative_links"

exit 1

else

out "Symlink check passed"

}

function msg { out "$*" >&2 ;}

function err { local x=$? ; msg "$*" ; return $(( x == 0 ? 1 : x )) ;}

function out { printf '%s\n' "$*" ;}

if [[ ${1:-} ]] && declare -F | cut -d' ' -f3 | fgrep -qx -- "${1:-}"

then "$@"

else main "$@"