1env GO111MODULE=off
2
3# go env should default to the right places
4env AppData=$HOME/windowsappdata
5env home=$HOME/plan9home
6go env GOENV
7[GOOS:aix] stdout $HOME/.config/go/env
8[GOOS:darwin] stdout $HOME'/Library/Application Support/go/env'
9[GOOS:freebsd] stdout $HOME/.config/go/env
10[GOOS:linux] stdout $HOME/.config/go/env
11[GOOS:netbsd] stdout $HOME/.config/go/env
12[GOOS:openbsd] stdout $HOME/.config/go/env
13[GOOS:plan9] stdout $HOME/plan9home/lib/go/env
14[GOOS:windows] stdout $HOME\\windowsappdata\\go\\env
15
16# Now override it to something writable.
17env GOENV=$WORK/envdir/go/env
18go env GOENV
19stdout envdir[\\/]go[\\/]env
20
21# go env shows all variables
22go env
23stdout GOARCH=
24stdout GOOS=
25stdout GOROOT=
26
27# go env ignores invalid flag in GOFLAGS environment variable
28env GOFLAGS='=true'
29go env
30
31# checking errors
32! go env -w
33stderr 'go: no KEY=VALUE arguments given'
34! go env -u
35stderr 'go: ''go env -u'' requires an argument'
36
37# go env -w changes default setting
38env root=
39[GOOS:windows] env root=c:
40env GOPATH=
41go env -w GOPATH=$root/non-exist/gopath
42! stderr .+
43grep GOPATH=$root/non-exist/gopath $WORK/envdir/go/env
44go env GOPATH
45stdout /non-exist/gopath
46
47# go env -w does not override OS environment, and warns about that
48env GOPATH=$root/other
49go env -w GOPATH=$root/non-exist/gopath2
50stderr 'warning: go env -w GOPATH=... does not override conflicting OS environment variable'
51go env GOPATH
52stdout $root/other
53
54# but go env -w does do the update, and unsetting the env var exposes the change
55env GOPATH=
56go env GOPATH
57stdout $root/non-exist/gopath2
58
59# unsetting with go env -u does not warn about OS environment overrides,
60# nor does it warn about variables that haven't been set by go env -w.
61env GOPATH=$root/other
62go env -u GOPATH
63! stderr .+
64go env -u GOPATH
65! stderr .+
66
67# go env -w rejects unknown or bad variables
68! go env -w GOGC=off
69stderr 'unknown go command variable GOGC'
70! go env -w GOEXE=.bat
71stderr 'GOEXE cannot be modified'
72! go env -w GOVERSION=customversion
73stderr 'GOVERSION cannot be modified'
74! go env -w GOENV=/env
75stderr 'GOENV can only be set using the OS environment'
76! go env -w GODEBUG=gctrace=1
77stderr 'GODEBUG can only be set using the OS environment'
78
79# go env -w can set multiple variables
80env CC=
81go env CC
82! stdout ^xyc$
83go env -w GOOS=$GOOS CC=xyc
84grep CC=xyc $GOENV
85# file is maintained in sorted order
86grep 'CC=xyc\nGOOS=' $GOENV
87go env CC
88stdout ^xyc$
89
90# go env -u unsets effect of go env -w.
91go env -u CC
92go env CC
93! stdout ^xyc$
94
95# go env -w rejects double-set variables
96! go env -w GOOS=$GOOS GOOS=$GOOS
97stderr 'multiple values for key: GOOS'
98
99# go env -w rejects missing variables
100! go env -w GOOS
101stderr 'arguments must be KEY=VALUE: invalid argument: GOOS'
102
103# go env -w rejects invalid GO111MODULE values, as otherwise cmd/go would break
104! go env -w GO111MODULE=badvalue
105stderr 'invalid GO111MODULE value "badvalue"'
106
107# go env -w rejects invalid GOPATH values
108! go env -w GOPATH=~/go
109stderr 'GOPATH entry cannot start with shell metacharacter'
110
111! go env -w GOPATH=./go
112stderr 'GOPATH entry is relative; must be absolute path'
113
114# go env -w rejects invalid GOTMPDIR values
115! go env -w GOTMPDIR=x
116stderr 'go: GOTMPDIR must be an absolute path'
117
118# go env -w should accept absolute GOTMPDIR value
119# and should not create it
120[GOOS:windows] go env -w GOTMPDIR=$WORK\x\y\z
121[!GOOS:windows] go env -w GOTMPDIR=$WORK/x/y/z
122! exists $WORK/x/y/z
123# we should be able to clear an env
124go env -u GOTMPDIR
125go env GOTMPDIR
126stdout ^$
127
128[GOOS:windows] go env -w GOTMPDIR=$WORK\x\y\z
129[!GOOS:windows] go env -w GOTMPDIR=$WORK/x/y/z
130go env -w GOTMPDIR=
131go env GOTMPDIR
132stdout ^$
133
134# go env -w rejects relative CC values
135[!GOOS:windows] go env -w CC=/usr/bin/clang
136go env -w CC=clang
137[!GOOS:windows] ! go env -w CC=./clang
138[!GOOS:windows] ! go env -w CC=bin/clang
139[!GOOS:windows] stderr 'go: CC entry is relative; must be absolute path'
140
141[GOOS:windows] go env -w CC=$WORK\bin\clang
142[GOOS:windows] ! go env -w CC=.\clang
143[GOOS:windows] ! go env -w CC=bin\clang
144[GOOS:windows] stderr 'go: CC entry is relative; must be absolute path'
145
146# go env -w rejects relative CXX values
147[!GOOS:windows] go env -w CC=/usr/bin/cpp
148go env -w CXX=cpp
149[!GOOS:windows] ! go env -w CXX=./cpp
150[!GOOS:windows] ! go env -w CXX=bin/cpp
151[!GOOS:windows] stderr 'go: CXX entry is relative; must be absolute path'
152
153[GOOS:windows] go env -w CXX=$WORK\bin\cpp
154[GOOS:windows] ! go env -w CXX=.\cpp
155[GOOS:windows] ! go env -w CXX=bin\cpp
156[GOOS:windows] stderr 'go: CXX entry is relative; must be absolute path'
157
158# go env -w/-u checks validity of GOOS/ARCH combinations
159env GOOS=
160env GOARCH=
161# check -w doesn't allow invalid GOOS
162! go env -w GOOS=linuxx
163stderr 'unsupported GOOS/GOARCH pair linuxx'
164# check -w doesn't allow invalid GOARCH
165! go env -w GOARCH=amd644
166stderr 'unsupported GOOS/GOARCH.*/amd644$'
167# check -w doesn't allow invalid GOOS with valid GOARCH
168! go env -w GOOS=linuxx GOARCH=amd64
169stderr 'unsupported GOOS/GOARCH pair linuxx'
170# check a valid GOOS and GOARCH values but an incompatible combinations
171! go env -w GOOS=android GOARCH=s390x
172stderr 'unsupported GOOS/GOARCH pair android/s390x'
173# check that -u considers explicit envs
174go env -w GOOS=linux GOARCH=mips
175env GOOS=windows
176! go env -u GOOS
177stderr 'unsupported GOOS/GOARCH.*windows/mips$'
178env GOOS=
179
180# go env -w should reject relative paths in GOMODCACHE environment.
181! go env -w GOMODCACHE=~/test
182stderr 'go: GOMODCACHE entry is relative; must be absolute path: "~/test"'
183! go env -w GOMODCACHE=./test
184stderr 'go: GOMODCACHE entry is relative; must be absolute path: "./test"'
185
186# go env -w checks validity of GOEXPERIMENT
187env GOEXPERIMENT=
188! go env -w GOEXPERIMENT=badexp
189stderr 'unknown GOEXPERIMENT badexp'
190go env -w GOEXPERIMENT=fieldtrack
191
192# go env -w and go env -u work on unknown fields already in the go/env file
193cp bad.env $GOENV
194go env GOENV
195cat $GOENV
196go env
197! stdout UNKNOWN
198go env UNKNOWN
199stdout yes
200go env -w UNKNOWN=maybe
201go env UNKNOWN
202stdout maybe
203go env -u UNKNOWN
204go env UNKNOWN
205! stdout . # gone
206
207-- bad.env --
208UNKNOWN=yes
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