add zstd

zstd/tests/cli-tests/zstd-symlinks/setup

@@ -0,0 +1,6 @@
+#!/bin/sh
+set -e
+
+println "hello" > hello
+println "world" > world
+zstd hello world

zstd/tests/cli-tests/zstd-symlinks/zstdcat.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+
+# Test zstdcat symlink in bin/
+zstdcat hello.zst
+zstdcat hello.zst world
+zstdcat hello world.zst
+zstdcat hello.zst world.zst
+
+# Test local zstdcat symlink
+ln -s $(which zstd) ./zstdcat
+./zstdcat hello.zst

zstd/tests/cli-tests/zstd-symlinks/zstdcat.sh.stdout.exact

@@ -0,0 +1,8 @@
+hello
+hello
+world
+hello
+world
+hello
+world
+hello