$ git clone -n https://src.fedoraproject.org/rpms/jackson-jaxrs-providers.git /var/lib/mock/f38-build-side-42-init-devel-599517-26164/root/chroot_tmpdir/scmroot/jackson-jaxrs-providers
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-599517-26164/root/chroot_tmpdir/scmroot/jackson-jaxrs-providers'...
$ git fetch origin f6ed8bfc58b57c2b93b96226a150ef128babe537:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-jaxrs-providers
 * [new ref]         f6ed8bfc58b57c2b93b96226a150ef128babe537 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6ed8bf Update to version 2.14.2