$ git clone -n https://src.fedoraproject.org/rpms/insight.git /var/lib/mock/f38-build-side-42-init-devel-927643-28745/root/chroot_tmpdir/scmroot/insight
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-927643-28745/root/chroot_tmpdir/scmroot/insight'...
$ git fetch origin bacc1e5e5e9b2460cc07719d05dd5475e84741f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/insight
 * [new ref]         bacc1e5e5e9b2460cc07719d05dd5475e84741f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bacc1e5 Apply binutils-gdb upstream patch to fix C99 issue in configure script