/usr/share/gocode/ is in golang-github-sergi-go-diff-dev 0.0~git20170409.0.feef008-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gocode/src/
/usr/share/gocode/src/github.com/
/usr/share/gocode/src/github.com/sergi/
/usr/share/gocode/src/github.com/sergi/go-diff/
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/benchutil_test.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/diff.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/diff_test.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/diffmatchpatch.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/match.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/match_test.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/mathutil.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/patch.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/patch_test.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/stringutil.go
/usr/share/gocode/src/github.com/sergi/go-diff/diffmatchpatch/stringutil_test.go