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# GOFLAGS sets flags for commands
env GOFLAGS='-e -f={{.Dir}} --test.benchtime=1s -count=10'
go list asdfasdfasdf # succeeds because of -e
go list runtime
stdout '[\\/]runtime$'
env GOFLAGS=-race OLDGOARCH=$GOARCH OLDGOOS=$GOOS GOARCH=386 GOOS=linux
! go list runtime
stderr 'race is only supported on'
env GOARCH=$OLDGOARCH GOOS=$OLDGOOS
# go env succeeds even though -f={{.Dir}} is inappropriate
go env
# bad flags are diagnosed
env GOFLAGS=-typoflag
! go list runtime
stderr 'unknown flag -typoflag'
env GOFLAGS=-
! go list runtime
stderr '^go: parsing \$GOFLAGS: non-flag "-"'
env GOFLAGS=--
! go list runtime
stderr '^go: parsing \$GOFLAGS: non-flag "--"'
env GOFLAGS=---oops
! go list runtime
stderr '^go: parsing \$GOFLAGS: non-flag "---oops"'
env GOFLAGS=-=noname
! go list runtime
stderr '^go: parsing \$GOFLAGS: non-flag "-=noname"'
env GOFLAGS=-f
! go list runtime
stderr '^go: flag needs an argument: -f \(from (\$GOFLAGS|%GOFLAGS%)\)$'
env GOFLAGS=-e=asdf
! go list runtime
stderr '^go: invalid boolean value \"asdf\" for flag -e \(from (\$GOFLAGS|%GOFLAGS%)\)'
# except in go bug (untested) and go env
go env
stdout GOFLAGS
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