$ git clone -n https://src.fedoraproject.org/rpms/python-hexdump.git /var/lib/mock/f39-build-1430236-31710/root/chroot_tmpdir/scmroot/python-hexdump
Cloning into '/var/lib/mock/f39-build-1430236-31710/root/chroot_tmpdir/scmroot/python-hexdump'...
$ git fetch origin 4596318465a14ab3ae4a20dffd42a4e8969936ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hexdump
 * [new ref]         4596318465a14ab3ae4a20dffd42a4e8969936ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4596318 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild