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Add a shell suspend function #2269

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Add a shell suspend function #2269

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080458b
Add a shell suspend function
mwm Aug 4, 2015
6334047
Add a description to suspend
mwm Aug 4, 2015
239d2a2
Handle interactive & login shells, SHLVL checks, and better message.
mwm Aug 6, 2015
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18 changes: 18 additions & 0 deletions share/functions/suspend.fish
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@@ -0,0 +1,18 @@
# If the user hasn't set it, make sure our test level has a value
if not set -q suspend_minimum_SHLVL
set -g suspend_minimum_SHLVL 3
end


function suspend -d "Suspend the current shell."
if begin contains -- $argv --force
or not status --is-interactive
or begin test $SHLVL -ge $suspend_minimum_SHLVL
and not status --is-login
end
end
kill -STOP %self
else
echo 2>&1 Cannot suspend login shell or SHLVL to low, use --force to force.
end
end