$ git clone -n https://src.fedoraproject.org/rpms/libcanberra.git /var/lib/mock/f40-build-2602815-63287/root/chroot_tmpdir/scmroot/libcanberra
Cloning into '/var/lib/mock/f40-build-2602815-63287/root/chroot_tmpdir/scmroot/libcanberra'...
$ git fetch origin da7f34cf62e6aabac9687313a4a1d0862c12c7fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcanberra
 * [new ref]         da7f34cf62e6aabac9687313a4a1d0862c12c7fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da7f34c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild