$ git clone -n https://src.fedoraproject.org/rpms/flac.git /var/lib/mock/f40-build-787452-134774/root/chroot_tmpdir/scmroot/flac
Cloning into '/var/lib/mock/f40-build-787452-134774/root/chroot_tmpdir/scmroot/flac'...
$ git fetch origin 610dfe0aeba9b8d9f6851280a1d3e3018c1d1326:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flac
 * [new ref]         610dfe0aeba9b8d9f6851280a1d3e3018c1d1326 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 610dfe0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild