1# Test GOMODCACHE
2env GO111MODULE=on
3
4# Explicitly set GOMODCACHE
5env GOMODCACHE=$WORK/modcache
6go env GOMODCACHE
7stdout $WORK[/\\]modcache
8go get rsc.io/quote@v1.0.0
9exists $WORK/modcache/cache/download/rsc.io/quote/@v/v1.0.0.info
10grep '{"Version":"v1.0.0","Time":"2018-02-14T00:45:20Z"}' $WORK/modcache/cache/download/rsc.io/quote/@v/v1.0.0.info
11
12# Ensure GOMODCACHE doesn't affect location of sumdb, but $GOMODCACHE/cache/download/sumdb is still written
13exists $GOPATH/pkg/sumdb
14! exists $WORK/modcache/sumdb
15exists $WORK/modcache/cache/download/sumdb
16
17# Test that the default GOMODCACHE is $GOPATH[0]/pkg/mod
18env GOMODCACHE=
19go env GOMODCACHE
20stdout $GOPATH[/\\]pkg[/\\]mod
21go get rsc.io/quote@v1.0.0
22exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.0.0.info
23grep '{"Version":"v1.0.0","Time":"2018-02-14T00:45:20Z"}' $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.0.0.info
24
25# If neither GOMODCACHE or GOPATH are set, GOPATH defaults to the user's $HOME/go, so GOMODCACHE becomes $HOME/go/pkg/mod
26[GOOS:windows] env USERPROFILE=$WORK/home # Ensure USERPROFILE is a valid path (rather than /no-home/ so we don't run into the logic that "uninfers" GOPATH in cmd/go/main.go
27[GOOS:plan9] env home=$WORK/home
28[!GOOS:windows] [!GOOS:plan9] env HOME=$WORK/home
29env GOMODCACHE=
30env GOPATH=
31go env GOMODCACHE
32stdout $HOME[/\\]go[/\\]pkg[/\\]mod
33
34# If GOMODCACHE isn't set and GOPATH starts with the path list separator,
35# GOMODCACHE is empty and any command that needs it errors out.
36env GOMODCACHE=
37env GOPATH=${:}$WORK/this/is/ignored
38
39go env GOMODCACHE
40stdout '^$'
41! stdout .
42! stderr .
43
44! go mod download rsc.io/quote@v1.0.0
45stderr '^go: module cache not found: neither GOMODCACHE nor GOPATH is set$'
46
47# If GOMODCACHE isn't set and GOPATH has multiple elements only the first is used.
48env GOMODCACHE=
49env GOPATH=$WORK/first/path${:}$WORK/this/is/ignored
50go env GOMODCACHE
51stdout $WORK[/\\]first[/\\]path[/\\]pkg[/\\]mod
52
53env GOMODCACHE=$WORK/modcache
54go mod download rsc.io/quote@v1.0.0
55exists $WORK/modcache/cache/download/rsc.io/quote/@v/v1.0.0.info
56
57# Test error when cannot create GOMODCACHE directory
58env GOMODCACHE=$WORK/modcachefile
59! go install example.com/cmd/a@v1.0.0
60stderr 'go: could not create module cache'
61
62# Test that the following work even with GO111MODULE=off
63env GO111MODULE=off
64
65# Cleaning modcache
66exists $WORK/modcache
67env GOMODCACHE=$WORK/modcache
68go clean -modcache
69! exists $WORK/modcache
70
71-- go.mod --
72module m
73
74-- $WORK/modcachefile --
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