blob: 26b15518d94fa3bcf7e762abdd1f4d0667a0c50b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
env GO111MODULE=on
[short] skip
cp go.mod go.mod.orig
# Make sure the test builds without replacement.
go build -mod=mod -o a1.exe .
exec ./a1.exe
stdout 'Don''t communicate by sharing memory'
# Modules can be replaced by local packages.
cp go.mod.orig go.mod
go mod edit -replace=rsc.io/quote/v3=./local/rsc.io/quote/v3
go build -o a2.exe .
exec ./a2.exe
stdout 'Concurrency is not parallelism.'
# The module path of the replacement doesn't need to match.
# (For example, it could be a long-running fork with its own import path.)
cp go.mod.orig go.mod
go mod edit -replace=rsc.io/quote/v3=./local/not-rsc.io/quote/v3
go build -o a3.exe .
exec ./a3.exe
stdout 'Clear is better than clever.'
# However, the same module can't be used as two different paths.
cp go.mod.orig go.mod
go mod edit -replace=not-rsc.io/quote/v3@v3.0.0=rsc.io/quote/v3@v3.0.0 -require=not-rsc.io/quote/v3@v3.0.0
! go build -o a4.exe .
stderr 'rsc.io/quote/v3@v3.0.0 used for two different module paths \(not-rsc.io/quote/v3 and rsc.io/quote/v3\)'
# Modules that do not (yet) exist upstream can be replaced too.
cp go.mod.orig go.mod
go mod edit -replace=not-rsc.io/quote/v3@v3.1.0=./local/rsc.io/quote/v3
go build -mod=mod -o a5.exe ./usenewmodule
! stderr 'finding not-rsc.io/quote/v3'
grep 'not-rsc.io/quote/v3 v3.1.0' go.mod
exec ./a5.exe
stdout 'Concurrency is not parallelism.'
# Error messages for modules not found in replacements should
# indicate the replacement module.
cp go.mod.orig go.mod
go mod edit -replace=rsc.io/quote/v3=./local/rsc.io/quote/v3
! go get rsc.io/quote/v3/missing-package
stderr 'module rsc.io/quote/v3@upgrade found \(v3.0.0, replaced by ./local/rsc.io/quote/v3\), but does not contain package'
# The reported Dir and GoMod for a replaced module should be accurate.
cp go.mod.orig go.mod
go mod edit -replace=rsc.io/quote/v3=not-rsc.io/quote@v0.1.0-nomod
go mod download rsc.io/quote/v3
go list -m -f '{{.Path}} {{.Version}} {{.Dir}} {{.GoMod}}{{with .Replace}} => {{.Path}} {{.Version}} {{.Dir}} {{.GoMod}}{{end}}' rsc.io/quote/v3
stdout '^rsc.io/quote/v3 v3.0.0 '$GOPATH'[/\\]pkg[/\\]mod[/\\]not-rsc.io[/\\]quote@v0.1.0-nomod '$GOPATH'[/\\]pkg[/\\]mod[/\\]cache[/\\]download[/\\]not-rsc.io[/\\]quote[/\\]@v[/\\]v0.1.0-nomod.mod => not-rsc.io/quote v0.1.0-nomod '$GOPATH'[/\\]pkg[/\\]mod[/\\]not-rsc.io[/\\]quote@v0.1.0-nomod '$GOPATH'[/\\]pkg[/\\]mod[/\\]cache[/\\]download[/\\]not-rsc.io[/\\]quote[/\\]@v[/\\]v0.1.0-nomod.mod$'
-- go.mod --
module quoter
require rsc.io/quote/v3 v3.0.0
-- main.go --
package main
import (
"fmt"
"rsc.io/quote/v3"
)
func main() {
fmt.Println(quote.GoV3())
}
-- usenewmodule/main.go --
package main
import (
"fmt"
"not-rsc.io/quote/v3"
)
func main() {
fmt.Println(quote.GoV3())
}
-- local/rsc.io/quote/v3/go.mod --
module rsc.io/quote/v3
require rsc.io/sampler v1.3.0
-- local/rsc.io/quote/v3/quote.go --
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package quote collects pithy sayings.
package quote
import "rsc.io/sampler"
// Hello returns a greeting.
func HelloV3() string {
return sampler.Hello()
}
// Glass returns a useful phrase for world travelers.
func GlassV3() string {
// See http://www.oocities.org/nodotus/hbglass.html.
return "I can eat glass and it doesn't hurt me."
}
// Go returns a REPLACED Go proverb.
func GoV3() string {
return "Concurrency is not parallelism."
}
// Opt returns a optimization truth.
func OptV3() string {
// Wisdom from ken.
return "If a program is too slow, it must have a loop."
}
-- local/not-rsc.io/quote/v3/go.mod --
module not-rsc.io/quote/v3
-- local/not-rsc.io/quote/v3/quote.go --
package quote
func GoV3() string {
return "Clear is better than clever."
}
|
