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authorEelco Dolstra <edolstra@gmail.com>2017-03-13T13·40+0100
committerEelco Dolstra <edolstra@gmail.com>2017-03-15T15·49+0100
commite8186085e07104d4b844208613c2d704b5b57dec (patch)
treecce5074dd45b109c0edd5427fa06c4f8ec668bbe /src/libutil/compression.cc
parent73d7a51ee6942f681db468dc8e3c631b4d3daa4e (diff)
Add support for brotli compression
Build logs on cache.nixos.org are compressed using Brotli (since this
allows them to be decompressed automatically by Chrome and Firefox),
so it's handy if "nix log" can decompress them.
Diffstat (limited to 'src/libutil/compression.cc')
-rw-r--r--src/libutil/compression.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libutil/compression.cc b/src/libutil/compression.cc
index a3bbb5170d9f..723b072af968 100644
--- a/src/libutil/compression.cc
+++ b/src/libutil/compression.cc
@@ -89,6 +89,11 @@ static ref<std::string> decompressBzip2(const std::string & in)
     }
 }
 
+static ref<std::string> decompressBrotli(const std::string & in)
+{
+    return make_ref<std::string>(runProgram(BRO, true, {"-d"}, in));
+}
+
 ref<std::string> compress(const std::string & method, const std::string & in)
 {
     StringSink ssink;
@@ -106,6 +111,8 @@ ref<std::string> decompress(const std::string & method, const std::string & in)
         return decompressXZ(in);
     else if (method == "bzip2")
         return decompressBzip2(in);
+    else if (method == "br")
+        return decompressBrotli(in);
     else
         throw UnknownCompressionMethod(format("unknown compression method ‘%s’") % method);
 }