$ git clone -n https://gitee.com/lzq11122/libpng.git /var/lib/mock/dist-an23.4-build-517766-75359/root/chroot_tmpdir/scmroot/libpng
Cloning into '/var/lib/mock/dist-an23.4-build-517766-75359/root/chroot_tmpdir/scmroot/libpng'...
$ git fetch origin e1252d34f62320e7ba8da1d4dd37633f5b14a0e1:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/libpng
 * [new ref]         e1252d34f62320e7ba8da1d4dd37633f5b14a0e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1252d3 Add patch to fix CVE-2026-25646