$ git clone -n https://src.fedoraproject.org/rpms/fedmsg.git /var/lib/mock/f41-build-754381-13410/root/chroot_tmpdir/scmroot/fedmsg
Cloning into '/var/lib/mock/f41-build-754381-13410/root/chroot_tmpdir/scmroot/fedmsg'...
$ git fetch origin e41f5cb16eab19b2b8c1e6977aaef206e628f413:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedmsg
 * [new ref]         e41f5cb16eab19b2b8c1e6977aaef206e628f413 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e41f5cb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild