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#!/usr/bin/env bash
# Prevent travis from timing out after 10 minutes of no output
tick() {
(while true; do sleep 300; echo; done) &
local PID=$!
disown
"$@"
local RET=$?
kill $PID
return $RET
}
export -f tick
retry() {
local tries=$1
shift
local i=0
while [ "$i" -lt "$tries" ]; do
"$@" && return 0
sleep $((2**((i++))))
done
return 1
}
export -f retry
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