$ git clone -n https://gitee.com/wenyuzifang/libpng15.git /var/lib/mock/dist-an23.5-build-565491-91869/root/chroot_tmpdir/scmroot/libpng15
Cloning into '/var/lib/mock/dist-an23.5-build-565491-91869/root/chroot_tmpdir/scmroot/libpng15'...
$ git fetch origin 75f4d99f192e75322d8cdf7fb986b2302aaf0f28:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpng15
 * [new ref]         75f4d99f192e75322d8cdf7fb986b2302aaf0f28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75f4d99 [CVE] [Distro] add patch to fix CVE-2026-33416