$ git clone -n https://src.fedoraproject.org/rpms/kernel.git /var/lib/mock/f43-build-side-114641-60945232-6586551/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f43-build-side-114641-60945232-6586551/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin 5b1995b1c9125393c2d78ee846c9ecd182b5b8d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernel
 * [new ref]             5b1995b1c9125393c2d78ee846c9ecd182b5b8d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b1995b1c kernel-6.16.0-0.rc4.38