1# Create basic modules and work space.
2env TESTGO_VERSION=go1.50
3mkdir m1_22_0
4go mod init -C m1_22_0
5go mod edit -C m1_22_0 -go=1.22.0 -toolchain=go1.99.0
6mkdir m1_22_1
7go mod init -C m1_22_1
8go mod edit -C m1_22_1 -go=1.22.1 -toolchain=go1.99.1
9mkdir m1_24_rc0
10go mod init -C m1_24_rc0
11go mod edit -C m1_24_rc0 -go=1.24rc0 -toolchain=go1.99.2
12
13go work init ./m1_22_0 ./m1_22_1
14grep '^go 1.50$' go.work
15! grep toolchain go.work
16
17# work sync with older modules should leave go 1.50 in the go.work.
18go work sync
19cat go.work
20grep '^go 1.50$' go.work
21! grep toolchain go.work
22
23# work sync with newer modules should update go 1.21 -> 1.22.1 and toolchain -> go1.22.9 in go.work
24env TESTGO_VERSION=go1.21
25env TESTGO_VERSION_SWITCH=switch
26go work edit -go=1.21
27grep '^go 1.21$' go.work
28! grep toolchain go.work
29env GOTOOLCHAIN=local
30! go work sync
31stderr '^go: cannot load module m1_22_0 listed in go.work file: m1_22_0'${/}'go.mod requires go >= 1.22.0 \(running go 1.21; GOTOOLCHAIN=local\)$'
32stderr '^go: cannot load module m1_22_1 listed in go.work file: m1_22_1'${/}'go.mod requires go >= 1.22.1 \(running go 1.21; GOTOOLCHAIN=local\)$'
33env GOTOOLCHAIN=auto
34go work sync
35stderr '^go: m1_22_1'${/}'go.mod requires go >= 1.22.1; switching to go1.22.9$'
36grep '^go 1.22.1$' go.work
37grep '^toolchain go1.22.9$' go.work
38
39# work sync with newer modules should update go 1.22.1 -> 1.24rc1 and drop toolchain
40go work edit -use=./m1_24_rc0
41go work sync
42stderr '^go: m1_24_rc0'${/}'go.mod requires go >= 1.24rc0; switching to go1.24rc1$'
43cat go.work
44grep '^go 1.24rc0$' go.work
45grep '^toolchain go1.24rc1$' go.work
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