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Proposal: add a $GO variable to go generate #44110

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roidelapluie opened this issue Feb 4, 2021 · 0 comments
Closed

Proposal: add a $GO variable to go generate #44110

roidelapluie opened this issue Feb 4, 2021 · 0 comments

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@roidelapluie
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roidelapluie commented Feb 4, 2021

What version of Go are you using (go version)?

$ go version
go version go1.15 linux/amd64

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/roidelapluie/.cache/go-build"
GOENV="/home/roidelapluie/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/roidelapluie/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/roidelapluie/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/home/roidelapluie/godist/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/home/roidelapluie/godist/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build147792198=/tmp/go-build -gno-record-gcc-switches"

What did you do?

I'd like go generate to set an environment variable with the current go version.

e.g.:

//go:generate go run ./cmd/genvalues/main.go

Could be replaced by

//go:generate $GO run ./cmd/genvalues/main.go

In a way that if it is called with go1.16rc1 generate, the command line run would be go1.16rc1 run ./cmd/genvalues/main.go

@gopherbot gopherbot added this to the Proposal milestone Feb 4, 2021
@golang golang locked and limited conversation to collaborators Feb 4, 2022
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