$ git clone -n https://src.fedoraproject.org/rpms/kf5-libkcompactdisc.git /var/lib/mock/f40-build-2255063-54238/root/chroot_tmpdir/scmroot/kf5-libkcompactdisc
Cloning into '/var/lib/mock/f40-build-2255063-54238/root/chroot_tmpdir/scmroot/kf5-libkcompactdisc'...
$ git fetch origin a6a1f94cdd9802cc4b1ddf4ed893ffe749421add:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libkcompactdisc
 * [new ref]         a6a1f94cdd9802cc4b1ddf4ed893ffe749421add -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6a1f94 Not used anymore, obsoleted by libkcompactdisc (qt6)