Correctly escape complex shell commands #480
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This uses a shellescape package which implements algorithm 1 described in https://stackoverflow.com/a/20053121. This algorithms is essentially: wrap in single quotes, escape any single quotes.
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Previously, complex shell commands were not escaped correctly which led to ssh commands like:
Returning an error like:
This change implements shell escaping using the algorithm described in ponit 1. of this stack overflow answer to correctly handle complex ssh commands such as the one above.