$ git clone -n https://gitee.com/src-anolis-os/libpng12.git /var/lib/mock/dist-an8.10-build-542427-85670/root/chroot_tmpdir/scmroot/libpng12
Cloning into '/var/lib/mock/dist-an8.10-build-542427-85670/root/chroot_tmpdir/scmroot/libpng12'...
$ git reset --hard 5e21e041cc4633439f4879543089c2d04046cdbb
HEAD is now at 5e21e04 spec: add doc sub package
$ wget -O libpng-1.2.57.tar.xz http://build.openanolis.cn/kojifiles/upstream-source/libpng-1.2.57.tar.xz.307052e5e8af97b82b17b64fb1b3677a
--2026-06-17 05:57:52--  http://build.openanolis.cn/kojifiles/upstream-source/libpng-1.2.57.tar.xz.307052e5e8af97b82b17b64fb1b3677a
Resolving build.openanolis.cn (build.openanolis.cn)... 172.16.0.137
Connecting to build.openanolis.cn (build.openanolis.cn)|172.16.0.137|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 656784 (641K) [application/x-xz]
Saving to: ‘libpng-1.2.57.tar.xz’

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   600K .......... .......... .......... .......... .         100%  120M=0.006s

2026-06-17 05:57:52 (112 MB/s) - ‘libpng-1.2.57.tar.xz’ saved [656784/656784]