> a/checkLibs
> b/checkLibs

> b/runBlock
$ exists s2.13.8.txt
$ delete s2.13.8.txt

# don't crash when expanding the macro
> b3/runBlock
$ exists s2.13.10.txt
$ delete s2.13.10.txt

> b3/checkScala

# without the default `csrSameVersions`, scala-reflect in b stays at 2.13.6
> set b/csrSameVersions := Nil
> b/update
-> b/checkLibs

> ak/checkLibs
