go generate with splats

[blake.m...@gmail.com]

When using `go generate` with a "*" it fails to run the generator. 

$ cat gen.go 

package proto

//go:generate protoc --go_out=plugins=grpc:. *.proto

$ go generate

*.proto: No such file or directory

gen.go:3: running "protoc": exit status 1

$ 

When I change the splat to a single, valid filename it works:

$ cat gen.go 

package proto

//go:generate protoc --go_out=plugins=grpc:. back.proto

$ go generate

$ echo $?

0

$ 

Has anyone else seen this or see what I'm doing wrong? Any help/guidance would be appreciated.

[Rob Pike]

The docs are clear that generate parses using go rules, not shell rules. Try

//go:generate sh -c "protoc --go_out=plugins=grpc:. *.proto"

-rob

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[Blake Mizerany]

Rob,

Did you just tell me to RTFM? ;)

Thank you,

Blake