1# This test verifies that 'go get' and 'go mod tidy' switch to a newer toolchain
2# if needed to process newly-resolved imports.
3
4env TESTGO_VERSION=go1.21.0
5env TESTGO_VERSION_SWITCH=switch
6
7cp go.mod go.mod.orig
8
9# tidy reports needing 1.22.0 for b1
10env GOTOOLCHAIN=local
11! go mod tidy
12stderr '^go: example imports\n\texample.net/b: module ./b1 requires go >= 1.22.0 \(running go 1.21.0; GOTOOLCHAIN=local\)$'
13env GOTOOLCHAIN=auto
14go mod tidy
15
16cmp stderr tidy-stderr.want
17cmp go.mod go.mod.tidy
18
19cp go.mod.orig go.mod
20env GOTOOLCHAIN=local
21! go get -v .
22stderr '^go: example.net/b@v0.1.0: module ./b1 requires go >= 1.22.0 \(running go 1.21.0; GOTOOLCHAIN=local\)$'
23env GOTOOLCHAIN=auto
24go get -v .
25cmp stderr get-v-stderr.want
26cmp go.mod go.mod.tidy
27
28cp go.mod.orig go.mod
29env GOTOOLCHAIN=local
30! go get -u -v .
31stderr '^go: example.net/a@v0.2.0: module ./a2 requires go >= 1.22.0 \(running go 1.21.0; GOTOOLCHAIN=local\)$'
32env GOTOOLCHAIN=auto
33go get -u -v .
34cmp stderr get-u-v-stderr.want
35cmp go.mod go.mod.upgraded
36
37-- tidy-stderr.want --
38go: found example.net/b in example.net/b v0.1.0
39go: module ./b1 requires go >= 1.22.0; switching to go1.22.9
40go: found example.net/b in example.net/b v0.1.0
41go: found example.net/c in example.net/c v0.1.0
42-- get-v-stderr.want --
43go: trying upgrade to example.net/b@v0.1.0
44go: module ./b1 requires go >= 1.22.0; switching to go1.22.9
45go: trying upgrade to example.net/b@v0.1.0
46go: accepting indirect upgrade from go@1.20 to 1.22.0
47go: trying upgrade to example.net/c@v0.1.0
48go: upgraded go 1.20 => 1.22.0
49go: added example.net/b v0.1.0
50go: added example.net/c v0.1.0
51go: added example.net/d v0.1.0
52-- get-u-v-stderr.want --
53go: trying upgrade to example.net/a@v0.2.0
54go: trying upgrade to example.net/b@v0.1.0
55go: module ./a2 requires go >= 1.22.0; switching to go1.22.9
56go: trying upgrade to example.net/a@v0.2.0
57go: trying upgrade to example.net/b@v0.1.0
58go: accepting indirect upgrade from go@1.20 to 1.22.0
59go: trying upgrade to example.net/c@v0.1.0
60go: trying upgrade to example.net/d@v0.2.0
61go: module ./d2 requires go >= 1.23.0; switching to go1.23.9
62go: trying upgrade to example.net/a@v0.2.0
63go: trying upgrade to example.net/b@v0.1.0
64go: accepting indirect upgrade from go@1.20 to 1.22.0
65go: trying upgrade to example.net/c@v0.1.0
66go: trying upgrade to example.net/d@v0.2.0
67go: accepting indirect upgrade from go@1.22.0 to 1.23.0
68go: upgraded go 1.20 => 1.23.0
69go: upgraded example.net/a v0.1.0 => v0.2.0
70go: added example.net/b v0.1.0
71go: added example.net/c v0.1.0
72go: added example.net/d v0.2.0
73-- go.mod --
74module example
75
76go 1.20
77
78require example.net/a v0.1.0
79
80replace (
81 example.net/a v0.1.0 => ./a1
82 example.net/a v0.2.0 => ./a2
83 example.net/b v0.1.0 => ./b1
84 example.net/c v0.1.0 => ./c1
85 example.net/d v0.1.0 => ./d1
86 example.net/d v0.2.0 => ./d2
87)
88-- go.mod.tidy --
89module example
90
91go 1.22.0
92
93require (
94 example.net/a v0.1.0
95 example.net/b v0.1.0
96)
97
98require (
99 example.net/c v0.1.0 // indirect
100 example.net/d v0.1.0 // indirect
101)
102
103replace (
104 example.net/a v0.1.0 => ./a1
105 example.net/a v0.2.0 => ./a2
106 example.net/b v0.1.0 => ./b1
107 example.net/c v0.1.0 => ./c1
108 example.net/d v0.1.0 => ./d1
109 example.net/d v0.2.0 => ./d2
110)
111-- go.mod.upgraded --
112module example
113
114go 1.23.0
115
116require (
117 example.net/a v0.2.0
118 example.net/b v0.1.0
119)
120
121require (
122 example.net/c v0.1.0 // indirect
123 example.net/d v0.2.0 // indirect
124)
125
126replace (
127 example.net/a v0.1.0 => ./a1
128 example.net/a v0.2.0 => ./a2
129 example.net/b v0.1.0 => ./b1
130 example.net/c v0.1.0 => ./c1
131 example.net/d v0.1.0 => ./d1
132 example.net/d v0.2.0 => ./d2
133)
134-- example.go --
135package example
136
137import (
138 _ "example.net/a"
139 _ "example.net/b"
140)
141-- a1/go.mod --
142module example.net/a
143
144go 1.20
145-- a1/a.go --
146package a
147-- a2/go.mod --
148module example.net/a
149
150go 1.22.0
151
152toolchain go1.23.0
153-- a2/a.go --
154package a
155-- b1/go.mod --
156module example.net/b
157
158go 1.22.0
159
160toolchain go1.23.0
161-- b1/b.go --
162package b
163
164import _ "example.net/c" // Note: module b is intentionally untidy, as if due to a bad git merge
165-- c1/go.mod --
166module example.net/c
167
168go 1.22.0
169
170require example.net/d v0.1.0
171-- c1/c.go --
172package c
173
174import _ "example.net/d"
175-- d1/go.mod --
176module example.net/d
177
178go 1.22.0
179-- d1/d.go --
180package d
181-- d2/go.mod --
182module example.net/d
183
184go 1.23.0
185-- d2/d.go --
186package d
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