$ git clone -n https://src.fedoraproject.org/rpms/libx86.git /var/lib/mock/f42-build-3342359-44991/root/chroot_tmpdir/scmroot/libx86
Cloning into '/var/lib/mock/f42-build-3342359-44991/root/chroot_tmpdir/scmroot/libx86'...
$ git fetch origin 36e1f382ba42645cd3306eaff5d7ffd6f20d64c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libx86
 * [new ref]         36e1f382ba42645cd3306eaff5d7ffd6f20d64c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36e1f38 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild