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From: Christian Hofstaedtler <zeha@debian.org>
Date: Tue, 10 Oct 2017 15:04:34 -0300
Subject: rdoc: build reproducible documentation

- provide a fixed timestamp to the gzip compression

Upstream-Status: Backport [debian]

Signed-off-by: Antonio Terceiro <terceiro@debian.org>
Signed-off-by: Christian Hofstaedtler <zeha@debian.org>
---
 lib/rdoc/generator/json_index.rb | 4 ++--
 lib/rdoc/rdoc.rb                 | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/lib/rdoc/generator/json_index.rb
+++ b/lib/rdoc/generator/json_index.rb
@@ -178,7 +178,7 @@
     debug_msg "Writing gzipped search index to %s" % outfile

     Zlib::GzipWriter.open(outfile) do |gz|
-      gz.mtime = File.mtime(search_index_file)
+      gz.mtime = -1
       gz.orig_name = search_index_file.basename.to_s
       gz.write search_index
       gz.close
@@ -196,7 +196,7 @@
         debug_msg "Writing gzipped file to %s" % outfile

         Zlib::GzipWriter.open(outfile) do |gz|
-          gz.mtime = File.mtime(dest)
+          gz.mtime = -1
           gz.orig_name = dest.basename.to_s
           gz.write data
           gz.close