$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Amazon-S3.git /var/lib/mock/f40-build-2674937-67777/root/chroot_tmpdir/scmroot/perl-Net-Amazon-S3
Cloning into '/var/lib/mock/f40-build-2674937-67777/root/chroot_tmpdir/scmroot/perl-Net-Amazon-S3'...
$ git fetch origin 21bc6dcc8fe65564e5f048fad2dad7811a8c909c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Amazon-S3
 * [new ref]         21bc6dcc8fe65564e5f048fad2dad7811a8c909c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21bc6dc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild