/proc/self is always points on the current process entry, but /proc/pid/ can
points to another process if a process is in another pid namespace than /proc.
PiperOrigin-RevId: 579328968
This creates a `go_template` that can generate a `go_library` rule which
extracts a compressed binary to a temporary location, then executes it.
This is useful to implement `runsc` subcommands without requiring that these
subcommands' dependencies are linked into the main `runsc` binary.
PiperOrigin-RevId: 557270682
