$ git clone -n https://src.fedoraproject.org/rpms/aerc.git /var/lib/mock/f41-build-841214-161186/root/chroot_tmpdir/scmroot/aerc
Cloning into '/var/lib/mock/f41-build-841214-161186/root/chroot_tmpdir/scmroot/aerc'...
$ git fetch origin 1c57e1eec6842ccead79c00f47b485e52a209091:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aerc
 * [new ref]         1c57e1eec6842ccead79c00f47b485e52a209091 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c57e1e Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild