$ git clone -n https://src.fedoraproject.org/rpms/libplasma.git /var/lib/mock/f40-build-2278739-55279/root/chroot_tmpdir/scmroot/libplasma
Cloning into '/var/lib/mock/f40-build-2278739-55279/root/chroot_tmpdir/scmroot/libplasma'...
$ git fetch origin 912e48ae302e76df167c585b7f8ff6a34ba81133:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libplasma
 * [new ref]         912e48ae302e76df167c585b7f8ff6a34ba81133 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 912e48a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild