$ git clone -n https://github.com/fedora-riscv/pybind11.git /var/lib/mock/f39-build-1656328-40543/root/chroot_tmpdir/scmroot/pybind11
Cloning into '/var/lib/mock/f39-build-1656328-40543/root/chroot_tmpdir/scmroot/pybind11'...
$ git fetch origin bbfa822a1d8627f24834453db14e4586eb40d186:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/pybind11
 * [new ref]         bbfa822a1d8627f24834453db14e4586eb40d186 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbfa822 Rebuild for f39