Docs: update fixed output hashes

`fetchurl` will now throw if given an `md5`, and the hashes have generally
been upgraded to avoid it and use `sha256` as a default. This updates the
documentation examples in the manual accordingly.

1 files changed, 7 insertions, 7 deletions

diff --git a/doc/manual/expressions/advanced-attributes.xml b/doc/manual/expressions/advanced-attributes.xml
index 9422e82ff..2af7a51ac 100644
--- a/doc/manual/expressions/advanced-attributes.xml
+++ b/doc/manual/expressions/advanced-attributes.xml
@@ -216,7 +216,7 @@ fetchurl {
 <programlisting>
 { stdenv, curl }: # The <command>curl</command> program is used for downloading.
 
-{ url, md5 }:
+{ url, sha256 }:
 
 stdenv.mkDerivation {
   name = baseNameOf (toString url);
@@ -224,10 +224,10 @@ stdenv.mkDerivation {
   buildInputs = [ curl ];
 
   # This is a fixed-output derivation; the output must be a regular
-  # file with MD5 hash <varname>md5</varname>.
+  # file with SHA256 hash <varname>sha256</varname>.
   outputHashMode = "flat";
-  outputHashAlgo = "md5";
-  outputHash = md5;
+  outputHashAlgo = "sha256";
+  outputHash = sha256;
 
   inherit url;
 }
@@ -237,8 +237,8 @@ stdenv.mkDerivation {
 
     <para>The <varname>outputHashAlgo</varname> attribute specifies
     the hash algorithm used to compute the hash.  It can currently be
-    <literal>"md5"</literal>, <literal>"sha1"</literal> or
-    <literal>"sha256"</literal>.</para>
+    <literal>"sha1"</literal>, <literal>"sha256"</literal> or
+    <literal>"sha512"</literal>.</para>
 
     <para>The <varname>outputHashMode</varname> attribute determines
     how the hash is computed.  It must be one of the following two
@@ -251,7 +251,7 @@ stdenv.mkDerivation {
         <listitem><para>The output must be a non-executable regular
         file.  If it isn’t, the build fails.  The hash is simply
         computed over the contents of that file (so it’s equal to what
-        Unix commands like <command>md5sum</command> or
+        Unix commands like <command>sha256sum</command> or
         <command>sha1sum</command> produce).</para>
 
         <para>This is the default.</para></listitem>