$ git clone -n https://src.fedoraproject.org/rpms/kiwix-desktop.git /var/lib/mock/f40-build-803039-144164/root/chroot_tmpdir/scmroot/kiwix-desktop
Cloning into '/var/lib/mock/f40-build-803039-144164/root/chroot_tmpdir/scmroot/kiwix-desktop'...
$ git fetch origin 16c2c0f08234222e75384bf1071fbc8710d81437:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kiwix-desktop
 * [new ref]         16c2c0f08234222e75384bf1071fbc8710d81437 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16c2c0f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild