Package auth provides access to user-provided authentication credentials.

Package base defines shared basic pieces of the go command, in particular logging and the Command structure.

Package bug implements the ``go bug'' command.

Package cache implements a build artifact cache.

Package cfg holds configuration shared by multiple parts of the go command.

Package clean implements the ``go clean'' command.

Package cmdflag handles flag processing common to several go tools.

Package doc implements the ``go doc'' command.

Package envcmd implements the ``go env'' command.

Package fix implements the ``go fix'' command.

Package fmtcmd implements the ``go fmt'' command.

Package generate implements the ``go generate'' command.

Package get implements the ``go get'' command.

Package help implements the ``go help'' command.

Package list implements the ``go list'' command.

Package load loads packages.

Package lockedfile creates and manipulates files whose contents should only change atomically.

Package modcmd implements the ``go mod'' command.

Package modget implements the module-aware ``go get'' command.

Package mvs implements Minimal Version Selection.

Package par implements parallel execution helpers.

Package renameio writes files atomically by renaming temporary files.

Package robustio wraps I/O functions that are prone to failure on Windows, transparently retrying errors up to an arbitrary timeout.

Package run implements the ``go run'' command.

Package str provides string manipulation utilities.

Package tool implements the ``go tool'' command.

Package txtar implements a trivial text-based file archive format.

Package version implements the ``go version'' command.

Package vet implements the ``go vet'' command.

Package web defines minimal helper routines for accessing HTTP/HTTPS resources without requiring external dependencies on the net package.