$ git clone -n https://src.fedoraproject.org/rpms/jdependency.git /var/lib/mock/f42-build-3355549-45025/root/chroot_tmpdir/scmroot/jdependency
Cloning into '/var/lib/mock/f42-build-3355549-45025/root/chroot_tmpdir/scmroot/jdependency'...
$ git fetch origin 72bf0e2391dfba11661cafd91aa40c31c4523978:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jdependency
 * [new ref]         72bf0e2391dfba11661cafd91aa40c31c4523978 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72bf0e2 Update jdependency to 2.12 (#2343406)