feat: more robust linting

See coop-cloud/organising#254.

cli/internal/common.go

@@ -437,6 +437,15 @@ var WatchFlag = &cli.BoolFlag{
 	Destination: &Watch,
 }
 
+var OnlyErrors bool
+var OnlyErrorFlag = &cli.BoolFlag{
+	Name:        "errors",
+	Aliases:     []string{"e"},
+	Value:       false,
+	Usage:       "Only show errors",
+	Destination: &OnlyErrors,
+}
+
 // SSHFailMsg is a hopefully helpful SSH failure message
 var SSHFailMsg = `
 Woops, Abra is unable to connect to connect to %s.