jpictl: initial cmd placeholder

Signed-off-by: Alejandro Mery <amery@jpi.io>

cmd/jpictl/log.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+
+	"darvaza.org/sidecar/pkg/logger/zerolog"
+	"darvaza.org/slog"
+)
+
+var (
+	log = zerolog.New(nil, slog.Debug)
+)
+
+// fatal is a convenience wrapper for slog.Logger.Fatal().Print()
+func fatal(err error, msg string, args ...any) {
+	l := log.Fatal()
+	if err != nil {
+		l = l.WithField(slog.ErrorFieldName, err)
+	}
+	if len(args) > 0 {
+		msg = fmt.Sprintf(msg, args...)
+	}
+	l.Print(msg)
+
+	panic("unreachable")
+}