doc: Mention environment variable ZSTD in the TAP tests for MSVC

michaelpq · michaelpq · commit bf4ed12b5820 · 2022-02-21T09:55:55.000+09:00
6c417bb has added the build infrastructure to support ZSTD, but forgot to update this section of the docs to mention the variable ZSTD, as per the change done in vcregress.pl. While on it, reword this section of the docs to describe what happens in the default case, as per a suggestion from Robert Haas. Discussion: https://postgr.es/m/YhCL0fKnDv/Zvtuo@paquier.xyz
diff --git a/doc/src/sgml/install-windows.sgml b/doc/src/sgml/install-windows.sgml
@@ -534,27 +534,36 @@ $ENV{PROVE_TESTS}='t/020*.pl t/010*.pl'
     <varlistentry>
      <term><varname>GZIP_PROGRAM</varname></term>
      <listitem><para>
-       Path to a <application>gzip</application> command. The default is
-       <literal>gzip</literal>, that would be the command found in
-      <varname>PATH</varname>.
+      Path to a <application>gzip</application> command. The default is
+      <literal>gzip</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
      </para></listitem>
     </varlistentry>
 
     <varlistentry>
      <term><varname>LZ4</varname></term>
      <listitem><para>
       Path to a <application>lz4</application> command. The default is
-      <literal>lz4</literal>, that would be the command found in
-      <varname>PATH</varname>.
+      <literal>lz4</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
      </para></listitem>
     </varlistentry>
 
     <varlistentry>
      <term><varname>TAR</varname></term>
      <listitem><para>
       Path to a <application>tar</application> command. The default is
-      <literal>tar</literal>, that would be the command found in
-      <varname>PATH</varname>.
+      <literal>tar</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
+     </para></listitem>
+    </varlistentry>
+
+    <varlistentry>
+     <term><varname>ZSTD</varname></term>
+     <listitem><para>
+      Path to a <application>zstd</application> command. The default is
+      <literal>zstd</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
      </para></listitem>
     </varlistentry>
    </variablelist>
