$ git clone -n https://src.fedoraproject.org/rpms/akonadi-server.git /var/lib/mock/f41-build-side-1-3065332-38602/root/chroot_tmpdir/scmroot/akonadi-server
Cloning into '/var/lib/mock/f41-build-side-1-3065332-38602/root/chroot_tmpdir/scmroot/akonadi-server'...
$ git fetch origin 6448bb5952a81713ff1e032c30adb572de11f143:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akonadi-server
 * [new ref]         6448bb5952a81713ff1e032c30adb572de11f143 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6448bb5 24.08.3