cmg/go: TestScript/mod_gomodcache and TestScript/generate_env are failing on Plan 9 #39599
Description
$ go version go version devel +master Sun Jun 14 23:36:00 EDT 2020 plan9/amd64
% cd src
% ./all.rc
...
--- FAIL: TestScript (0.05s)
--- FAIL: TestScript/mod_gomodcache (7.47s)
script_test.go:210:
# Test GOMODCACHE (0.000s)
# Explicitly set GOMODCACHE (3.183s)
# Ensure GOMODCACHE doesn't affect location of sumdb, but $GOMODCACHE/cache/download/sumdb is still written (0.001s)
# Test that the default GOMODCACHE is $GOPATH[0]/pkg/mod (3.160s)
# If neither GOMODCACHE or GOPATH are set, GOPATH defaults to the user's $HOME/go, so GOMODCACHE becomes $HOME/go/pkg/mod (0.993s)
> [windows] env USERPROFILE=$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
> [!windows] env HOME=$WORK/home
> env GOMODCACHE=
> env GOPATH=
> go env GOMODCACHE
[stdout]
/no-home/go/pkg/mod
> stdout $HOME[/\\]go[/\\]pkg[/\\]mod
FAIL: testdata/script/mod_gomodcache.txt:31: no match for `(?m)\$WORK/home[/\\]go[/\\]pkg[/\\]mod` found in stdout
--- FAIL: TestScript/generate_env (6.77s)
script_test.go:210:
# Install an env command because Windows and plan9 don't have it. (5.694s)
# Test generators have access to the environment (1.037s)
> go generate ./printenv.go
[stderr]
printenv.go:3: running "env": exec: "env": executable file not found in $path
[exit status: 'go 77512: 1']
FAIL: testdata/script/generate_env.txt:7: unexpected command failure
...
@gopherbot add labels OS-Plan9, Testing