$ git clone -n https://gitee.com/wenyuzifang/libpng15.git /var/lib/mock/dist-an23.5-build-563455-91697/root/chroot_tmpdir/scmroot/libpng15
Cloning into '/var/lib/mock/dist-an23.5-build-563455-91697/root/chroot_tmpdir/scmroot/libpng15'...
$ git fetch origin 7bcfc13dad0abca4db29f44ffc002d620b507799:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpng15
 * [new ref]         7bcfc13dad0abca4db29f44ffc002d620b507799 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bcfc13 [CVE] [Distro] add patch to fix CVE-2026-33416