$ git clone -n https://src.fedoraproject.org/rpms/mcelog.git /var/lib/mock/f40-build-768625-125358/root/chroot_tmpdir/scmroot/mcelog
Cloning into '/var/lib/mock/f40-build-768625-125358/root/chroot_tmpdir/scmroot/mcelog'...
$ git fetch origin f8218fee7c6b85af2291bb89e04116cfa8cb5f2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mcelog
 * [new ref]         f8218fee7c6b85af2291bb89e04116cfa8cb5f2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8218fe Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild