!32 add loong64 support for umoci

From: @zhangwenlong01 
Reviewed-by: @yangzhao_kl 
Signed-off-by: @yangzhao_kl

umoci.spec

@@ -4,12 +4,13 @@
 
 Name:           umoci
 Version:        0.4.7
-Release:        2
+Release:        3
 Summary:        Open Container Image manipulation tool
 License:        ISC and MIT and Apache-2.0
 URL:            https://github.com/opencontainers/umoci
 Source0:        https://github.com/opencontainers/umoci/archive/v0.4.7.tar.gz
 Source1:        https://github.com/cpuguy83/go-md2man/archive/v1.0.10.tar.gz
+Source2:        sys.tar.gz
 Patch0000:      fix-bad-build-flags.patch
 BuildRequires:  fdupes go >= 1.6
 
@@ -23,6 +24,10 @@ the OCI.
 %prep
 %autosetup -n %{name}-%{version} -p1
 tar -xf %SOURCE1
+%ifarch loongarch64
+rm -rf vendor/golang.org/x/sys
+tar -xf %{SOURCE2} -C vendor/golang.org/x
+%endif
 
 %build
 cd go-md2man-*
@@ -55,6 +60,9 @@ done
 %{_mandir}/man1/umoci*
 
 %changelog
+* Tue Jul 11 2023 Wenlong Zhang<zhangwenlong@loongson.cn> - 0.4.7-3
+- add loong64 support for umoci
+
 * Tue Feb 15 2022 caodongxia <caodongxia@huawei.com> - 0.4.7-2
 - fix bad build flags