$ git clone -n https://src.fedoraproject.org/rpms/microcode_ctl.git /var/lib/mock/f39-build-2507426-61701/root/chroot_tmpdir/scmroot/microcode_ctl
Cloning into '/var/lib/mock/f39-build-2507426-61701/root/chroot_tmpdir/scmroot/microcode_ctl'...
$ git fetch origin dd81923849dd72190249cdf915dfb9ceb3eb034f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/microcode_ctl
 * [new ref]         dd81923849dd72190249cdf915dfb9ceb3eb034f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd81923 Update to upstrem 2.1-42. 20231114