Why does the go env command show GOROOT instead of GOPATH despite setting GOPATH in .profile, and how can I fix it?

Troubleshooting Go Install Issues Related to GOROOT and GOPATH

Initial Problem:

Despite setting GOPATH in .profile, the go env command continues to list GOROOT instead of GOPATH. Additionally, go install targets the GOROOT directory, ignoring the specified GOPATH location.

Cause and Solution:

The initial problem likely stemmed from an improper configuration of GOPATH and the user workspace. To resolve this, it's essential to ensure that GOPATH is correctly defined and that the necessary directory structure is created.

Steps to Configure GOPATH:

1. Create the $GOPATH/src and $GOPATH/bin directories, if they don't already exist.

<code class="bash">mkdir -p $HOME/dev/go/src
mkdir -p $HOME/dev/go/bin</code>

2. Update .profile with the following lines:

<code class="bash">export GOPATH=$HOME/dev/go:
export PATH=$PATH:$HOME/dev/go/bin</code>

3. Reboot or log out and log back in to refresh the environment variables.

After performing these steps, verify that GOPATH is correctly set and output in the command env | grep -i '^GO'.

Additional Troubleshooting:

• Check that $GOPATH is correctly defined in .profile and that the correct path is being used.
• Ensure that GOROOT is not explicitly set in any system-wide configuration files or environment variables.
• If the go env command still does not list GOPATH, try using the go env -w command to explicitly set GOPATH.

Resolution:

In the case described, the issue was resolved after upgrading to Go 1.1beta2. However, the general troubleshooting steps outlined above should address the problem for most users.

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