simonkowallik

# Retry a command with a fixed numer of times until it exits successfully,
# with exponential back off + 1.
# usage:
# $ source ./retry.sh
# $ retry echo "hello world"
# hello world
# $ retry false
# Retry 1/7: command exited with code 1, retrying in 2 seconds. Retrying...
# Retry 2/7: command exited with code 1, retrying in 3 seconds. Retrying...
# Retry 3/7: command exited with code 1, retrying in 5 seconds. Retrying...