$ git clone -n https://gitee.com/wenyuzifang/libpng15.git /var/lib/mock/dist-an23-build-565490-91873/root/chroot_tmpdir/scmroot/libpng15
Cloning into '/var/lib/mock/dist-an23-build-565490-91873/root/chroot_tmpdir/scmroot/libpng15'...
$ git fetch origin ddad2969b82140b5513fadf58b617c3b8706fcf1:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpng15
 * [new ref]         ddad2969b82140b5513fadf58b617c3b8706fcf1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddad296 [CVE] [Distro] add patch to fix CVE-2026-33416