$ git clone -n https://src.fedoraproject.org/rpms/plasma-desktop.git /var/lib/mock/f42-build-862332-170742/root/chroot_tmpdir/scmroot/plasma-desktop
Cloning into '/var/lib/mock/f42-build-862332-170742/root/chroot_tmpdir/scmroot/plasma-desktop'...
$ git fetch origin 667232f5b06df29c4f03024366a15d88d318221f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-desktop
 * [new ref]         667232f5b06df29c4f03024366a15d88d318221f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 667232f Rebuild for ICU 76