$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Iconv.git /var/lib/mock/f40-build-2021755-46745/root/chroot_tmpdir/scmroot/perl-Text-Iconv
Cloning into '/var/lib/mock/f40-build-2021755-46745/root/chroot_tmpdir/scmroot/perl-Text-Iconv'...
$ git fetch origin 998d3a9f38a664aec96944163c65b8d71fd578f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Iconv
 * [new ref]         998d3a9f38a664aec96944163c65b8d71fd578f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 998d3a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild