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cmd/go: "go list -m -json all" produces invalid JSON #31816

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bep opened this issue May 3, 2019 · 1 comment
Closed

cmd/go: "go list -m -json all" produces invalid JSON #31816

bep opened this issue May 3, 2019 · 1 comment
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@bep
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bep commented May 3, 2019

I have studied the documentation/issue list carefully before posting this, assuming I'm not the first ...

▶ go version && go env
go version go1.12.2 darwin/amd64
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/bep/Library/Caches/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/bep/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/local/go"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/bep/dev/go/gohugoio/hugo/go.mod"
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 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/n6/s_85mm8d31j6yctssnmn_g1r0000gn/T/go-build159934784=/tmp/go-build -gno-record-gcc-switches -fno-common"

Running

go list -m -u -e -json all

On a repo produces something like the below (an extract), which isn't valid JSON:

{
        "Path": "github.com/gohugoio/hugo",
        "Main": true,
        "Dir": "/Users/bep/dev/go/gohugoio/hugo",
        "GoMod": "/Users/bep/dev/go/gohugoio/hugo/go.mod"
}
{
        "Path": "github.com/BurntSushi/locker",
        "Version": "v0.0.0-20171006230638-a6e239ea1c69",
        "Time": "2017-10-06T23:06:38Z",
        "Dir": "/Users/bep/go/pkg/mod/github.com/!burnt!sushi/locker@v0.0.0-20171006230638-a6e239ea1c69",
        "GoMod": "/Users/bep/go/pkg/mod/cache/download/github.com/!burnt!sushi/locker/@v/v0.0.0-20171006230638-a6e239ea1c69.mod"
}
@mvdan
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mvdan commented May 3, 2019

Duplicate of #27655. This is fairly standard; see https://en.wikipedia.org/wiki/JSON_streaming. In the case of a Go decoder, you'd do something like NewDecoder(stdout), and repeatedly calling Decode until you hit EOF.

@mvdan mvdan closed this as completed May 3, 2019
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@bep @mvdan @gopherbot