$ git clone -n https://src.fedoraproject.org/rpms/libplasma.git /var/lib/mock/f40-build-752729-116843/root/chroot_tmpdir/scmroot/libplasma
Cloning into '/var/lib/mock/f40-build-752729-116843/root/chroot_tmpdir/scmroot/libplasma'...
$ git fetch origin 4f33ef5fb52964d90f22dfdb6371ecb5aff64d64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libplasma
 * [new ref]         4f33ef5fb52964d90f22dfdb6371ecb5aff64d64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f33ef5 Rebuild (qt6)