go get github.com/bkielbasa/cyclop

cyclop: calculates cyclomatic complexity

Usage: cyclop [-flag] [package]


Flags:
  -V    print version and exit
  -all
        no effect (deprecated)
  -c int
        display offending line with this many lines of context (default -1)
  -cpuprofile string
        write CPU profile to this file
  -debug string
        debug flags, any subset of "fpstv"
  -fix
        apply all suggested fixes
  -flags
        print analyzer flags in JSON
  -json
        emit JSON output
  -maxComplexity int
        max complexity the function can have (default 10)
  -memprofile string
        write memory profile to this file
  -packageAverage float
        max avarage complexity in package
  -skipTests
        should the linter execute on test files as well
  -source
        no effect (deprecated)
  -tags string
        no effect (deprecated)
  -trace string
        write trace log to this file
  -v    no effect (deprecated)