$ git clone -n https://src.fedoraproject.org/rpms/libkdepim.git /var/lib/mock/f40-build-1507191-23890/root/chroot_tmpdir/scmroot/libkdepim
Cloning into '/var/lib/mock/f40-build-1507191-23890/root/chroot_tmpdir/scmroot/libkdepim'...
$ git fetch origin 34603f53cc78ae898af37140e8f202859a67e6f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkdepim
 * [new ref]         34603f53cc78ae898af37140e8f202859a67e6f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34603f5 24.05.0