$ git clone -n https://src.fedoraproject.org/rpms/tomcat-jakartaee-migration.git /var/lib/mock/f40-build-1498022-23864/root/chroot_tmpdir/scmroot/tomcat-jakartaee-migration
Cloning into '/var/lib/mock/f40-build-1498022-23864/root/chroot_tmpdir/scmroot/tomcat-jakartaee-migration'...
$ git fetch origin 3e275864cfe33325f99ad6ca3fc2a82e5d9dab7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tomcat-jakartaee-migration
 * [new ref]         3e275864cfe33325f99ad6ca3fc2a82e5d9dab7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e27586 Add javax2jakarta CLI