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cmd/go: go get -u <respo>@<branch> update latest code a long time later #42576

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maomaoguo2017 opened this issue Nov 13, 2020 · 4 comments
Closed

cmd/go: go get -u <respo>@<branch> update latest code a long time later #42576

maomaoguo2017 opened this issue Nov 13, 2020 · 4 comments
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@maomaoguo2017
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What version of Go are you using (go version)?

$ go version
go version go1.14.6 darwin/amd64

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

go env Output
$ go env
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/gattaca/Library/Caches/go-build"
GOENV="/Users/gattaca/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/gattaca/git/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="off"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/gattaca/git/test-go-mod2/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/2j/qk1sjybs0_sf7gz030rkvm4h0000gn/T/go-build365705725=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

mod1 (main branch): github.com/maomaoguo2017/test-go-mod1
mod2 (main branch): github.com/maomaoguo2017/test-go-mod2
mod2 dependent mod1;

(mod2) mod.go

module github.com/maomaoguo2017/test-go-mod2

go 1.14

require github.com/maomaoguo2017/test-go-mod1 v0.0.3-0.20201112113544-07b048dab095

step1: mod1 merge branch "dev" into main (bfaf841) or just pull(62acd45);
step2: into mod2 and input

go get -v -u github.com/maomaoguo2017/test-go-mod1@main
<nothing output>

i expect mod1 version in go.mod of mod2 will update to latest but nothing to happen...

after "go get -u github.com/maomaoguo2017/test-go-mod1@main"
(mod2) mod.go

module github.com/maomaoguo2017/test-go-mod2

go 1.14

require github.com/maomaoguo2017/test-go-mod1 v0.0.3-0.20201112113544-07b048dab095

image

and when i run same command a long time later, it's ok.

go get -v -u github.com/maomaoguo2017/test-go-mod1@main
go: github.com/maomaoguo2017/test-go-mod1 main => v0.0.3-0.20201112125147-62acd45a2f00
go: downloading github.com/maomaoguo2017/test-go-mod1 v0.0.3-0.20201112125147-62acd45a2f00

Why??
@bcmills
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bcmills commented Nov 13, 2020

By default, the go command uses GOPROXY="https://proxy.golang.org,direct" (and note that line in the go env output you pasted).

proxy.golang.org has a fairly long cache TTL for the mapping of branch-names to commits.

@bcmills
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bcmills commented Nov 13, 2020

Duplicate of #38065

@bcmills bcmills marked this as a duplicate of #38065 Nov 13, 2020
@bcmills bcmills closed this as completed Nov 13, 2020
@maomaoguo2017
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By default, the go command uses GOPROXY="https://proxy.golang.org,direct" (and note that line in the go env output you pasted).

proxy.golang.org has a fairly long cache TTL for the mapping of branch-names to commits.

OK, thanks for your time. ^_^

@maomaoguo2017
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if respo is private 'go get [-u]' is ok, i guess private is auto use 'GOPROXY=direct'.

if respo is public of myself, can use 'GOPROXY=direct' safety

GOPROXY=direct go get -u github.com/maomaoguo2017/test-go-mod1@main

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@bcmills @gopherbot @maomaoguo2017