$ git clone -n https://src.fedoraproject.org/rpms/libchamplain.git /var/lib/mock/f41-build-side-1-2820592-33172/root/chroot_tmpdir/scmroot/libchamplain
Cloning into '/var/lib/mock/f41-build-side-1-2820592-33172/root/chroot_tmpdir/scmroot/libchamplain'...
$ git fetch origin 8ba2e39acdab7d3e357cf47935835653242c889a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libchamplain
 * [new ref]         8ba2e39acdab7d3e357cf47935835653242c889a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ba2e39 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild