$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Amazon-S3.git /var/lib/mock/f40-build-2019520-46532/root/chroot_tmpdir/scmroot/perl-Net-Amazon-S3
Cloning into '/var/lib/mock/f40-build-2019520-46532/root/chroot_tmpdir/scmroot/perl-Net-Amazon-S3'...
$ git fetch origin 44f4e55770439d14616b10a4763cc4336a11b8c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Amazon-S3
 * [new ref]         44f4e55770439d14616b10a4763cc4336a11b8c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44f4e55 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild