$ git clone -n https://src.fedoraproject.org/rpms/python-osc-lib.git /var/lib/mock/f39-build-1581036-38079/root/chroot_tmpdir/scmroot/python-osc-lib
Cloning into '/var/lib/mock/f39-build-1581036-38079/root/chroot_tmpdir/scmroot/python-osc-lib'...
$ git fetch origin 4f18c9ba3f2fff283ec505be11786ab24001b4a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-osc-lib
 * [new ref]         4f18c9ba3f2fff283ec505be11786ab24001b4a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f18c9b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild