1# setup
2env TESTGO_VERSION=go1.99rc1
3env TESTGO_VERSION_SWITCH=switch
4
5# go get go should use the latest Go 1.23
6cp go.mod.orig go.mod
7go get go
8stderr '^go: upgraded go 1.21 => 1.23.9$'
9grep 'go 1.23.9' go.mod
10! grep toolchain go.mod
11
12# go get go@1.23 should use the latest Go 1.23
13cp go.mod.orig go.mod
14go get go@1.23
15stderr '^go: upgraded go 1.21 => 1.23.9$'
16grep 'go 1.23.9' go.mod
17! grep toolchain go.mod
18
19# go get go@1.22 should use the latest Go 1.22
20cp go.mod.orig go.mod
21go get go@1.22
22stderr '^go: upgraded go 1.21 => 1.22.9$'
23grep 'go 1.22.9' go.mod
24! grep toolchain1 go.mod
25
26# go get go@patch should use the latest patch release
27go get go@1.22.1
28go get go@patch
29stderr '^go: upgraded go 1.22.1 => 1.22.9$'
30grep 'go 1.22.9' go.mod
31! grep toolchain go.mod
32
33# go get go@1.24 does NOT find the release candidate
34cp go.mod.orig go.mod
35! go get go@1.24
36stderr '^go: go@1.24: no matching versions for query "1.24"$'
37
38# go get go@1.24rc1 works
39cp go.mod.orig go.mod
40go get go@1.24rc1
41stderr '^go: upgraded go 1.21 => 1.24rc1$'
42grep 'go 1.24rc1' go.mod
43! grep toolchain go.mod
44
45# go get go@latest finds the latest Go 1.23
46cp go.mod.orig go.mod
47go get go@latest
48stderr '^go: upgraded go 1.21 => 1.23.9$'
49grep 'go 1.23.9' go.mod
50! grep toolchain go.mod
51
52# Again, with toolchains.
53
54go get toolchain@go1.99rc1
55stderr '^go: added toolchain go1.99rc1$'
56grep 'go 1.23.9' go.mod
57grep 'toolchain go1.99rc1' go.mod
58
59# go get toolchain should find go1.999testmod.
60go get toolchain
61stderr '^go: upgraded toolchain go1.99rc1 => go1.999testmod$'
62grep 'go 1.23.9' go.mod
63grep 'toolchain go1.999testmod' go.mod
64
65# go get toolchain@go1.23 should use the latest Go 1.23
66go get toolchain@go1.23
67stderr '^go: removed toolchain go1.999testmod$'
68grep 'go 1.23.9' go.mod
69! grep 'toolchain go1.23.9' go.mod # implied
70
71# go get toolchain@go1.22 should use the latest Go 1.22 and downgrade go.
72go get toolchain@go1.22
73stderr '^go: downgraded go 1.23.9 => 1.22.9$'
74grep 'go 1.22.9' go.mod
75! grep 'toolchain go1.22.9' go.mod # implied
76
77# go get toolchain@patch should use the latest patch release
78go get toolchain@go1.22.1
79go get toolchain@patch
80stderr '^go: added toolchain go1.22.9$'
81grep 'go 1.22.1' go.mod
82grep 'toolchain go1.22.9' go.mod
83go get go@1.22.9 toolchain@none
84grep 'go 1.22.9' go.mod
85! grep 'toolchain go1.22.9' go.mod
86
87# go get toolchain@go1.24 does NOT find the release candidate
88! go get toolchain@go1.24
89stderr '^go: toolchain@go1.24: no matching versions for query "go1.24"$'
90
91# go get toolchain@go1.24rc1 works
92go get toolchain@go1.24rc1
93stderr '^go: added toolchain go1.24rc1$'
94grep 'go 1.22.9' go.mod # no longer implied
95grep 'toolchain go1.24rc1' go.mod
96
97# go get toolchain@latest finds go1.23.9.
98cp go.mod.orig go.mod
99go get toolchain@latest
100stderr '^go: added toolchain go1.23.9$'
101grep 'go 1.21' go.mod
102grep 'toolchain go1.23.9' go.mod
103
104
105
106# Bug fixes.
107
108# go get go@garbage should fail but not crash
109! go get go@garbage
110! stderr panic
111stderr '^go: invalid go version garbage$'
112
113# go get go@go1.21.0 is OK - we silently correct to 1.21.0
114go get go@1.19
115go get go@go1.21.0
116stderr '^go: upgraded go 1.19 => 1.21.0'
117
118# go get toolchain@1.24rc1 is OK too.
119go get toolchain@1.24rc1
120stderr '^go: upgraded toolchain go1.23.9 => go1.24rc1$'
121
122# go get go@1.21 should work if we are the Go 1.21 language version,
123# even though there's no toolchain for it.
124# (Older versions resolve to the latest release in that version, so for example
125# go get go@1.20 might resolve to 1.20.9, but if we're the devel copy of
126# Go 1.21, there's no release yet to resolve to, so we resolve to ourselves.)
127env TESTGO_VERSION=go1.21
128go get go@1.19 toolchain@none
129go get go@1.21
130grep 'go 1.21$' go.mod
131! grep toolchain go.mod
132
133-- go.mod.orig --
134module m
135
136go 1.21
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