aerc/commands/account/view.go
Wiktor Kwapisiewicz abd9e78f02 Fix crash when no message is selected
Pressing `Enter` on a view that has not yet loaded messages (e.g. at
startup) would return `nil` from `Selected()`. Accessing `msg.Uid` on a
`nil` reference crashes aerc.

This patch moves the `msg == nil` check before accessing `msg.Uid` thus
avoiding the crash.

To test this patch repeatedly press `Enter` on startup.
2019-12-04 09:45:07 -05:00

43 lines
829 B
Go

package account
import (
"errors"
"git.sr.ht/~sircmpwn/aerc/widgets"
)
type ViewMessage struct{}
func init() {
register(ViewMessage{})
}
func (ViewMessage) Aliases() []string {
return []string{"view-message", "view"}
}
func (ViewMessage) Complete(aerc *widgets.Aerc, args []string) []string {
return nil
}
func (ViewMessage) Execute(aerc *widgets.Aerc, args []string) error {
if len(args) != 1 {
return errors.New("Usage: view-message")
}
acct := aerc.SelectedAccount()
if acct.Messages().Empty() {
return nil
}
store := acct.Messages().Store()
msg := acct.Messages().Selected()
if msg == nil {
return nil
}
_, deleted := store.Deleted[msg.Uid]
if deleted {
return nil
}
viewer := widgets.NewMessageViewer(acct, aerc.Config(), store, msg)
aerc.NewTab(viewer, msg.Envelope.Subject)
return nil
}