$ git clone -n https://src.fedoraproject.org/rpms/perl-HarfBuzz-Shaper.git /var/lib/mock/f40-build-778186-129801/root/chroot_tmpdir/scmroot/perl-HarfBuzz-Shaper
Cloning into '/var/lib/mock/f40-build-778186-129801/root/chroot_tmpdir/scmroot/perl-HarfBuzz-Shaper'...
$ git fetch origin 6cd30a6c05ac3560a61f25a2549d44ee80168829:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HarfBuzz-Shaper
 * [new ref]         6cd30a6c05ac3560a61f25a2549d44ee80168829 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cd30a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild