One line retry with exponential backoff

one line retry and backoff

#!/bin/bash
# Currently runs "make deploy" just change that to whatever you want
(MAXTRIES=4; COUNT=0; BACKOFF=1; while [ $COUNT -lt $MAXTRIES ]; do (make deploy); if [ $? -eq 0 ];then exit 0; fi; let COUNT=COUNT+1; let BACKOFF=BACKOFF*2; echo "Attempt $COUNT failed retrying after $BACKOFF seconds"; sleep $BACKOFF; done; echo "Tried and failed $COUNT times. Giving up."; exit 1;)

See also https://gist.github.com/jgraham909/592615563f7c197b462f