$ git clone -n https://gitee.com/yangcheng1203/libpng.git /var/lib/mock/dist-an23-build-491801-74538/root/chroot_tmpdir/scmroot/libpng
Cloning into '/var/lib/mock/dist-an23-build-491801-74538/root/chroot_tmpdir/scmroot/libpng'...
$ git fetch origin f98843822dfc67f2f5c5a69380e4745d4ab2450f:KOJI_FETCH_HEAD
From https://gitee.com/yangcheng1203/libpng
 * [new ref]         f98843822dfc67f2f5c5a69380e4745d4ab2450f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f988438 Add patch to fix CVE-2025-66293