$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-QRCode.git /var/lib/mock/f40-build-2309506-57355/root/chroot_tmpdir/scmroot/perl-Text-QRCode
Cloning into '/var/lib/mock/f40-build-2309506-57355/root/chroot_tmpdir/scmroot/perl-Text-QRCode'...
$ git fetch origin e73c8818f2e454a88b3b2dcd31d215fc7a0d1a9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-QRCode
 * [new ref]         e73c8818f2e454a88b3b2dcd31d215fc7a0d1a9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e73c881 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild