/usr/share/gocode/src/github.com/juju/ is in golang-github-juju-mutex-dev 0.0~git20171110.1fe2a4b-3.
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/usr/share/gocode/src/github.com/juju/mutex/
/usr/share/gocode/src/github.com/juju/mutex/doc.go
/usr/share/gocode/src/github.com/juju/mutex/errors.go
/usr/share/gocode/src/github.com/juju/mutex/legacy_mutex.go
/usr/share/gocode/src/github.com/juju/mutex/legacy_mutex_linux.go
/usr/share/gocode/src/github.com/juju/mutex/legacy_mutex_linux_test.go
/usr/share/gocode/src/github.com/juju/mutex/legacy_mutex_windows.go
/usr/share/gocode/src/github.com/juju/mutex/legacy_mutex_windows_test.go
/usr/share/gocode/src/github.com/juju/mutex/mutex.go
/usr/share/gocode/src/github.com/juju/mutex/mutex_flock.go
/usr/share/gocode/src/github.com/juju/mutex/mutex_test.go
/usr/share/gocode/src/github.com/juju/mutex/mutex_windows.go
/usr/share/gocode/src/github.com/juju/mutex/package_test.go