Add a default back to INFOPATH
It looks like #7738 removed the default unintentionally. This adds it back. For scripts that `set -u`, this will fail if $INFOPATH is not already set (`INFOPATH: unbound variable`). This provides an empty default, but one that will still satisfy the trailing colon requirement.
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@ -29,7 +29,7 @@ homebrew-shellenv() {
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echo "export HOMEBREW_REPOSITORY=\"$HOMEBREW_REPOSITORY\";"
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echo "export PATH=\"$HOMEBREW_PREFIX/bin:$HOMEBREW_PREFIX/sbin\${PATH+:\$PATH}\";"
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echo "export MANPATH=\"$HOMEBREW_PREFIX/share/man\${MANPATH+:\$MANPATH}:\";"
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echo "export INFOPATH=\"$HOMEBREW_PREFIX/share/info:\${INFOPATH}\";"
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echo "export INFOPATH=\"$HOMEBREW_PREFIX/share/info:\${INFOPATH:-}\";"
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;;
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esac
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}
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