add registry logout command (#460)

* add registry logout command
* moved logout/credential removal tests to the end

.github/workflows/tests.yaml

@@ -117,10 +117,6 @@ jobs:
           hauler login docker.io --username ${{ secrets.DOCKERHUB_USERNAME }} --password ${{ secrets.DOCKERHUB_TOKEN }}
           echo ${{ secrets.GITHUB_TOKEN }} | hauler login ghcr.io -u ${{ github.repository_owner }} --password-stdin
 
-      - name: Remove Hauler Store Credentials
-        run: |
-          rm -rf ~/.docker/config.json
-
       - name: Verify - hauler store
         run: |
           hauler store --help
@@ -335,3 +331,13 @@ jobs:
         with:
           name: hauler-report
           path: hauler-report.txt
+
+      - name: Verify - hauler logout
+        run: |
+          hauler logout --help
+          hauler logout docker.io
+          hauler logout ghcr.io
+
+      - name: Remove Hauler Store Credentials
+        run: |
+          rm -rf ~/.docker/config.json

cmd/hauler/cli/cli.go

@@ -30,6 +30,7 @@ func New(ctx context.Context, ro *flags.CliRootOpts) *cobra.Command {
 	flags.AddRootFlags(cmd, ro)
 
 	cmd.AddCommand(cranecmd.NewCmdAuthLogin("hauler"))
+	cmd.AddCommand(cranecmd.NewCmdAuthLogout("hauler"))
 	addStore(cmd, ro)
 	addVersion(cmd, ro)
 	addCompletion(cmd, ro)