$ git clone -n https://src.fedoraproject.org/rpms/syslog-ng.git /var/lib/mock/f42-bootstrap-3462957-45593/root/chroot_tmpdir/scmroot/syslog-ng
Cloning into '/var/lib/mock/f42-bootstrap-3462957-45593/root/chroot_tmpdir/scmroot/syslog-ng'...
$ git fetch origin 8854ceebe49fc5e65da49d9ef22f6f401a07fcf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/syslog-ng
 * [new ref]         8854ceebe49fc5e65da49d9ef22f6f401a07fcf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8854cee Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild