$ git clone -n https://src.fedoraproject.org/rpms/libobjc2.git /var/lib/mock/f41-build-851972-166163/root/chroot_tmpdir/scmroot/libobjc2
Cloning into '/var/lib/mock/f41-build-851972-166163/root/chroot_tmpdir/scmroot/libobjc2'...
$ git fetch origin 9bc583a8a4032f12efe80bc8b23afd6bdfbca400:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libobjc2
 * [new ref]         9bc583a8a4032f12efe80bc8b23afd6bdfbca400 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bc583a Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild