$ git clone -n https://src.fedoraproject.org/rpms/microcode_ctl.git /var/lib/mock/f40-build-802665-144059/root/chroot_tmpdir/scmroot/microcode_ctl
Cloning into '/var/lib/mock/f40-build-802665-144059/root/chroot_tmpdir/scmroot/microcode_ctl'...
$ git fetch origin ec6232674d101de6954dcded78211e5673f9d5e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/microcode_ctl
 * [new ref]         ec6232674d101de6954dcded78211e5673f9d5e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec62326 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild