$ git clone -n https://src.fedoraproject.org/rpms/flmsg.git /var/lib/mock/f40-build-795497-140206/root/chroot_tmpdir/scmroot/flmsg
Cloning into '/var/lib/mock/f40-build-795497-140206/root/chroot_tmpdir/scmroot/flmsg'...
$ git fetch origin de17f05a79334acb82484b59f7c7d74c28aa3036:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flmsg
 * [new ref]         de17f05a79334acb82484b59f7c7d74c28aa3036 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de17f05 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild