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# install:
# wget https://gist.githubusercontent.com/epcim/e488af8be69b616eab3088a14a937e14/raw/salt-trends.sh -O salt-trends.sh; chmod +x *.sh

# salt state execution results: (use with/without test=true, -b2, etc..)
# apt install -y jq colordiff
  salt \* state.apply ${1} --out=json --static test=true queue=true -b{BATCH_SIZE:-15} |\
  jq -r 'to_entries | map({ key:.key, value: { total: [.value[]]|length ,
                                       succeed: [.value[]|select(.result == true)]|length,
                                       failed:  [.value[]|select(.result == false)]|length,
                                       changes: [select(.value[].changes|length > 0)]|length  }}) | from_entries ' |\
  tee trend_$(date "+%Y-%m-%d-%s")_${1}.json
  ls trend*.json| sort |tail -n2 |xargs -n2 diff -y | colordiff