$ git clone -n https://src.fedoraproject.org/rpms/syslog-ng.git /var/lib/mock/f39-build-1652277-40498/root/chroot_tmpdir/scmroot/syslog-ng
Cloning into '/var/lib/mock/f39-build-1652277-40498/root/chroot_tmpdir/scmroot/syslog-ng'...
$ git fetch origin ff05c5fbfd2a71a73e758a290ec150e1b9b4c56d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/syslog-ng
 * [new ref]         ff05c5fbfd2a71a73e758a290ec150e1b9b4c56d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff05c5f Rebuilt for abseil-cpp 20230802.0