$ git clone -n https://src.fedoraproject.org/rpms/rtirq.git /var/lib/mock/f39-build-1551227-36966/root/chroot_tmpdir/scmroot/rtirq
Cloning into '/var/lib/mock/f39-build-1551227-36966/root/chroot_tmpdir/scmroot/rtirq'...
$ git fetch origin e49036b4eeaeaa249f8c92b724dbd882b04c8050:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rtirq
 * [new ref]         e49036b4eeaeaa249f8c92b724dbd882b04c8050 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e49036b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild