$ git clone -n https://src.fedoraproject.org/rpms/python-devtools.git /var/lib/mock/f39-build-1574791-37899/root/chroot_tmpdir/scmroot/python-devtools
Cloning into '/var/lib/mock/f39-build-1574791-37899/root/chroot_tmpdir/scmroot/python-devtools'...
$ git fetch origin 4f92fdf087e3c72a5bab3b657836559356ef9447:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-devtools
 * [new ref]         4f92fdf087e3c72a5bab3b657836559356ef9447 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f92fdf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild