$ git clone -n https://src.fedoraproject.org/rpms/perl-Image-PNG-Libpng.git /var/lib/mock/f41-build-817179-150666/root/chroot_tmpdir/scmroot/perl-Image-PNG-Libpng
Cloning into '/var/lib/mock/f41-build-817179-150666/root/chroot_tmpdir/scmroot/perl-Image-PNG-Libpng'...
$ git fetch origin 9cf9680f7f6aedad0586e1d987453a3ae53ecd2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Image-PNG-Libpng
 * [new ref]         9cf9680f7f6aedad0586e1d987453a3ae53ecd2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cf9680 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild