feat: debug logging

Closes coop-cloud/organising#164.

cli/app/cp.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"strings"
 
+	"coopcloud.tech/abra/cli/formatter"
 	"coopcloud.tech/abra/cli/internal"
 	"coopcloud.tech/abra/pkg/client"
 	"coopcloud.tech/abra/pkg/config"
@@ -55,11 +56,13 @@ var appCpCommand = &cli.Command{
 			service = parsedSrc[0]
 			srcPath = parsedSrc[1]
 			dstPath = dst
+			logrus.Debugf("assuming transfer is coming FROM the container")
 		} else if len(parsedDst) == 2 {
 			service = parsedDst[0]
 			dstPath = parsedDst[1]
 			srcPath = src
 			isToContainer = true // <src> <container:dst>
+			logrus.Debugf("assuming transfer is going TO the container")
 		}
 
 		appFiles, err := config.LoadAppFiles("")
@@ -90,6 +93,8 @@ var appCpCommand = &cli.Command{
 		}
 		container := containers[0]
 
+		logrus.Debugf("retrieved '%s' as target container on '%s'", formatter.ShortenID(container.ID), app.Server)
+
 		if isToContainer {
 			if _, err := os.Stat(srcPath); err != nil {
 				logrus.Fatalf("'%s' does not exist?", srcPath)