Determine source_is only if destination is symlink.
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@ -33,8 +33,8 @@ destination_dir="${destination%/*}"
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case "$type" in
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case "$type" in
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symbolic)
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symbolic)
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cd "$destination_dir" || exit 1
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cd "$destination_dir" || exit 1
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source_is=$(readlink "$destination")
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if [ -h "$destination" ]; then
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if [ -h "$destination" ]; then
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source_is=$(readlink "$destination")
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# ignore trailing slashes for comparison
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# ignore trailing slashes for comparison
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if [ "${source_is%/}" = "${source%/}" ]; then
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if [ "${source_is%/}" = "${source%/}" ]; then
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echo present
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echo present
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