From 780e3e546581dd4a46b887310a665eea06f3279a Mon Sep 17 00:00:00 2001 From: Ophestra Date: Sun, 31 Aug 2025 11:57:59 +0900 Subject: container/msg: optionally provide error messages This makes handling of fatal errors a lot less squirmy. Signed-off-by: Ophestra --- container/container.go | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'container/container.go') diff --git a/container/container.go b/container/container.go index 2301ce75..dee4a44d 100644 --- a/container/container.go +++ b/container/container.go @@ -132,6 +132,24 @@ func (e *StartError) Error() string { return e.Step + ": " + e.Err.Error() } +// Message returns a user-facing error message. +func (e *StartError) Message() string { + if e.Passthrough { + switch { + case errors.As(e.Err, new(*os.PathError)), + errors.As(e.Err, new(*os.SyscallError)): + return "cannot " + e.Err.Error() + + default: + return e.Err.Error() + } + } + if e.Origin { + return e.Step + } + return "cannot " + e.Error() +} + // Start starts the container init. The init process blocks until Serve is called. func (p *Container) Start() error { if p.cmd != nil { -- cgit v1.3.1