Upgrade Hauler to v1.2.1 and add version to build

hauler/_service

@@ -4,7 +4,7 @@
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="scm">git</param>
     <param name="exclude">.get</param>
-    <param name="revision">v1.0.7</param>
+    <param name="revision">v1.2.1</param>
     <param name="versionrewrite-pattern">v(.*)</param>
     <param name="changesgenerate">enable</param>
   </service>

hauler/hauler.spec

@@ -18,7 +18,7 @@
 %define project github.com/hauler-dev/hauler
 
 Name:           hauler
-Version:        1.0.7
+Version:        1.2.1
 Release:        0
 Summary:        Airgap Swiss Army Knife
 License:        Apache-2.0
@@ -38,10 +38,9 @@ BuildRequires:  cosign
 
 tar -xf %{SOURCE1}
 
-mkdir cmd/hauler/binaries
-cp `which cosign` cmd/hauler/binaries/cosign-linux-%{go_arch}
+MODULE=hauler.dev/go/hauler
 
-go build -mod=vendor -buildmode=pie -o hauler ./cmd/hauler
+go build -mod=vendor -buildmode=pie -o hauler -ldflags "-X $MODULE/pkg/version.gitVersion=v%{version}" ./cmd/hauler
 
 %install