$ git clone -n https://src.fedoraproject.org/rpms/akonadi-calendar-tools.git /var/lib/mock/f39-build-2330707-59013/root/chroot_tmpdir/scmroot/akonadi-calendar-tools
Cloning into '/var/lib/mock/f39-build-2330707-59013/root/chroot_tmpdir/scmroot/akonadi-calendar-tools'...
$ git fetch origin 1d45410fa696749cd8f4b21702918739536bd3fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akonadi-calendar-tools
 * [new ref]         1d45410fa696749cd8f4b21702918739536bd3fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d45410 23.08.4