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Export PS4 when RBENV_DEBUG is set for more informative debug output
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@ -1,7 +1,11 @@
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#!/usr/bin/env bash
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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if [ -n "$RBENV_DEBUG" ]; then
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export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
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set -x
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fi
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resolve_link() {
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$(type -p greadlink readlink | head -1) "$1"
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}
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