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