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Use basename -- $0 in case $0 starts with a dash.
For example, pdksh $0 contains '-ksh'.
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@ -14,7 +14,7 @@ fi
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# When run using source as directed, $0 gets set to bash, so we must use $BASH_SOURCE
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if [ -n "$BASH_SOURCE" ] ; then
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HACKING_DIR=$(dirname "$BASH_SOURCE")
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elif [ $(basename "$0") = "env-setup" ]; then
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elif [ $(basename -- "$0") = "env-setup" ]; then
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HACKING_DIR=$(dirname "$0")
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else
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HACKING_DIR="$PWD/hacking"
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