$ git clone -n https://src.fedoraproject.org/rpms/libkdegames.git /var/lib/mock/f42-build-863723-171737/root/chroot_tmpdir/scmroot/libkdegames
Cloning into '/var/lib/mock/f42-build-863723-171737/root/chroot_tmpdir/scmroot/libkdegames'...
$ git fetch origin a666103ab4d02c9d3c2b6b2f309087e986c0e2d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkdegames
 * [new ref]         a666103ab4d02c9d3c2b6b2f309087e986c0e2d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a666103 24.12.0