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Fix broken if statement in lib/tls on ZSH

When using ZSH, the line `if [[ (!$cert && !$key && $ca) ]]` fails
due to a syntax error. Instead of checking the variables as a boolean,
we can simply check if they have a non-zero length. This works in ZSH.

Change-Id: I171ed10a8c0af354e82bd6119508a0c44b6bcd9c

Solly Ross authored on 2014/03/19 04:12:05
Showing 1 changed files
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@@ -348,7 +348,7 @@ function ensure_certificates {
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     local key=${!key_var}
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     local ca=${!ca_var}
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-    if [[ !($cert && $key && $ca) ]]; then
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+    if [[ -z "$cert" || -z "$key" || -z "$ca" ]]; then
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         die $LINENO "Missing either the ${cert_var} ${key_var} or ${ca_var}" \
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                     "variable to enable SSL for ${service}"
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     fi