Eron Wright 20f5f536dc Handle case of missing GH variables (#492) ...

Closes #482 

I traced the problem to where buildx parses the cli args
([here](fa4461b9a1/util/buildflags/cache.go (L14))),
and confirmed it applies defaults based on GHA environment variables and
ignores the cacheTo/cacheFrom directive altogether when the variables
aren't available.

The fix is to ignore the GHA cache directive when it the upstream parser
ignores it.

2025-03-20 09:27:59 -07:00

32 KiB

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