ruby on rails - capistrano output - what are [ -L ...] commands? -


i have rails 4 app deployed capistrano. in output there bunch of commands running not understand @ all. i'm trying figure out why of them fail, real problem don't know doing @ all.

here typical example:

debug [8020adb4] running /usr/bin/env [ -l ~/apps/spo/releases/20160205133156/public/assets ] spo@dev.platform.spisales.com debug [8020adb4] command: [ -l ~/apps/spo/releases/20160205133156/public/assets ] debug [8020adb4] finished in 0.013 seconds exit status 1 (failed).

i know /usr/bin/env run program, have no idea part trying do: [ -l ~apps/spo/releases/20160205133156/public/assets ]

something this: /usr/bin/env mkdir easy understand, running mkdir.

if can explain these [ -l ...] commands doing appreciate it!

the square brackets alternative syntax test command.

which test run depends on expression give, in case checks whether ~/apps/spo/releases/20160205133156/public/assets exists , symbolic link.

from man test:

 -l file               file exists , symbolic link (same -h)

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