$ git clone -n https://src.fedoraproject.org/rpms/m4.git /var/lib/mock/f41-build-825502-154500/root/chroot_tmpdir/scmroot/m4
Cloning into '/var/lib/mock/f41-build-825502-154500/root/chroot_tmpdir/scmroot/m4'...
$ git fetch origin 75eaca321421745fc62d05524c58cc7b51ecd488:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/m4
 * [new ref]         75eaca321421745fc62d05524c58cc7b51ecd488 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75eaca3 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild