# detect if this script is sourced: see http://stackoverflow.com/a/38128348/6255594
SOURCED=0
-if [ -n "$ZSH_EVAL_CONTEXT" ]; then
+if [ -n "$ZSH_EVAL_CONTEXT" ]; then
[[ $ZSH_EVAL_CONTEXT =~ :file$ ]] && { SOURCED=1; SOURCEDIR=$(cd $(dirname -- $0) && pwd -P); }
elif [ -n "$KSH_VERSION" ]; then
[[ "$(cd $(dirname -- $0) && pwd -P)/$(basename -- $0)" != "$(cd $(dirname -- ${.sh.file}) && pwd -P)/$(basename -- ${.sh.file})" ]] && { SOURCED=1; SOURCEDIR=$(cd $(dirname -- ${.sh.file}) && pwd -P); }
if [ $SOURCED -ne 1 ]; then
unset SOURCED
unset SOURCEDIR
- echo "Error: this script needs to be sourced in a supported shell" >&2
- echo "Please check that the current shell is bash, zsh or ksh and run this script as '. $0 <args>'" >&2
- return 1
+ echo "Error: this script needs to be sourced in a supported shell" >&2
+ echo "Please check that the current shell is bash, zsh or ksh and run this script as '. $0 <args>'" >&2
+ exit 56
else
unset SOURCED
tmpfile=$(mktemp /tmp/aglsetup.XXXXXXXX)