❯ gcs-diff -help
Usage of gcs-diff:
  -b string
        backetname
  -conc int
        upload cuncurrency (default 4)
  -cred string
        credential path
  -dst string
        dst path to compare
  -src string
        src path to compare

example

❯ gcs-diff -b example-storage -cred credential.json -src assets1 -dst assets2
---------------------------------------------
bucket:      example-storage
credential:  credenital.json
source:      assets1
destination: assets2
---------------------------------------------

+ gs:/example-storage/assets1/only2.txt
- gs:/example-storage/assets2/only1.txt
~ gs:/example-storage/assets1/samename.txt

+: means does not exist in src dir, but exists dst dir
-: means exists in src dir, but does not exist dst dir
~: means exist both dir, but CRC32C is changed
(not output): means exist both dir, and same CEC32C