1# Set GOCACHE to a clean directory to ensure that 'go build' has work to report.
2[!GOOS:windows] env GOCACHE=$WORK/gocache
3[GOOS:windows] env GOCACHE=$WORK\gocache
4
5# 'go build' should use GOTMPDIR if set.
6[!GOOS:windows] env GOTMPDIR=$WORK/my-favorite-tmpdir
7[GOOS:windows] env GOTMPDIR=$WORK\my-favorite-tmpdir
8mkdir $GOTMPDIR
9go build -x hello.go
10stderr ^WORK=.*my-favorite-tmpdir
11
12# Make GOTMPDIR a regular file. This prevents the creation of work directories,
13# so we can check that certain commands don't create them.
14# This simulates running on a full disk or a read-only volume.
15rm $GOTMPDIR
16cp hello.go $GOTMPDIR # any file will do
17
18# 'go build' should fail if GOTMPDIR is read-only.
19! go build -x .
20stderr '^go: creating work dir: \w+ '$GOTMPDIR
21
22# 'go list' should only fail if it needs to build something.
23go list -x .
24! stderr 'creating work dir'
25stdout m
26go list -m all
27stdout m
28! go list -x -export .
29stderr '^go: creating work dir: \w+ '$GOTMPDIR
30
31# 'go clean -cache' and 'go clean -modcache' should not fail.
32go clean -x -cache
33! stderr 'creating work dir'
34go clean -x -modcache
35! stderr 'creating work dir'
36
37# 'go env' should not fail for specific variables.
38# Without arguments, it needs to initialize a builder to load cgo flags, and
39# that uses a temporary directory.
40! go env
41stderr '^go: creating work dir: \w+ '$GOTMPDIR
42go env GOROOT
43
44-- go.mod --
45module m
46
47go 1.15
48-- hello.go --
49package main
50func main() { println("hello") }
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