1
2# Create basic modules and work space.
3# Note that toolchain lines in modules should be completely ignored.
4env TESTGO_VERSION=go1.50
5mkdir m1_22_0
6go mod init -C m1_22_0
7go mod edit -C m1_22_0 -go=1.22.0 -toolchain=go1.99.0
8
9# work init writes the current Go version to the go line
10go work init
11grep '^go 1.50$' go.work
12! grep toolchain go.work
13
14# work init with older modules should leave go 1.50 in the go.work.
15rm go.work
16go work init ./m1_22_0
17grep '^go 1.50$' go.work
18! grep toolchain go.work
19
20# work init with newer modules should bump go,
21# including updating to a newer toolchain as needed.
22# Because work init writes the current toolchain as the go version,
23# it writes the bumped go version, not the max of the used modules.
24env TESTGO_VERSION=go1.21
25env TESTGO_VERSION_SWITCH=switch
26rm go.work
27env GOTOOLCHAIN=local
28! go work init ./m1_22_0
29stderr '^go: m1_22_0'${/}'go.mod requires go >= 1.22.0 \(running go 1.21; GOTOOLCHAIN=local\)$'
30env GOTOOLCHAIN=auto
31go work init ./m1_22_0
32stderr '^go: m1_22_0'${/}'go.mod requires go >= 1.22.0; switching to go1.22.9$'
33cat go.work
34grep '^go 1.22.9$' go.work
35! grep toolchain go.work
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