Initial project import

tools/v/thirdparty/zstd/update.vsh

@@ -0,0 +1,22 @@
+// Use this script to update thirdparty/zstd to a future version of mbedtls.
+import os
+
+fn do(cmd string) {
+	println(cmd)
+	res := os.system(cmd)
+	if res != 0 {
+		panic('failed at: `${cmd}`')
+	}
+}
+
+os.chdir(os.dir(@VEXE))!
+
+version := '1.5.7'
+do('rm -rf zstd-${version}*')
+do('wget https://github.com/facebook/zstd/releases/download/v${version}/zstd-${version}.tar.gz')
+do('tar -xf zstd-${version}.tar.gz')
+do('pushd .; cd zstd-${version}/build/single_file_libs/; ./create_single_file_library.sh; popd')
+do('cp zstd-${version}/build/single_file_libs/zstd.c thirdparty/zstd/zstd.c')
+do('pushd .; cd thirdparty/zstd/; patch --verbose --unified -p0 --input zstd_v.patch; popd')
+do('rm -rf zstd-${version}*')
+println('DONE')