go env GOBIN
stdout $WORK${/}gopath${/}bin
go env -changed GOBIN
! stdout $WORK

# report explicit settings
env GOBIN=/tmp/gobin
go env GOBIN
stdout /tmp/gobin
go env -changed GOBIN
stdout /tmp/gobin

# reset
env GOBIN=
go env -changed GOBIN
! stdout $WORK

# In GOPATH mode
# the default install directory depends on the GOPATH
# technically it also depends on the install target
# but that's not something we can report.
env GO111MODULE=off
env GOPATH=$WORK${/}a${:}$WORK${/}b

# report GOPATH[0]/bin outside of GOPATH
cd $WORK
go env GOBIN
stdout $WORK${/}a${/}bin

# report the current GOPATH/bin inside of a GOPATH
cd $WORK/a/src/example1.com
go env GOBIN
stdout $WORK${/}a${/}bin

cd $WORK/b/src/example2.com
go env GOBIN
stdout $WORK${/}b${/}bin

-- $WORK/a/src/example1.com/main.go --
package main

-- $WORK/b/src/example2.com/main.go --
package main