drop useless assignments of return values

In a block expected to return "bar", we might say:

  foo = bar

as the last line. But since nobody looks at "foo", this is pointless.
Let's make clear that we don't care about the assignment here, but the
return value.

2 files changed, 4 insertions, 4 deletions

diff --git a/lib/tasks/index.rake b/lib/tasks/index.rake
index 87ad7413..c5e90808 100644
--- a/lib/tasks/index.rake
+++ b/lib/tasks/index.rake
@@ -94,7 +94,7 @@ def index_l10n_doc(filter_tags, doc_list, get_content)
         html = asciidoc.render
         html.gsub!(/linkgit:(\S+)\[(\d+)\]/) do |line|
           x = /^linkgit:(\S+)\[(\d+)\]/.match(line)
-          line = "<a href='/docs/#{x[1]}/#{lang}'>#{x[1]}[#{x[2]}]</a>"
+          "<a href='/docs/#{x[1]}/#{lang}'>#{x[1]}[#{x[2]}]</a>"
         end
         # HTML anchor on hdlist1 (i.e. command options)
         html.gsub!(/<dt class="hdlist1">(.*?)<\/dt>/) do |_m|
@@ -269,7 +269,7 @@ def index_doc(filter_tags, doc_list, get_content)
           html = asciidoc.render
           html.gsub!(/linkgit:(\S+)\[(\d+)\]/) do |line|
             x = /^linkgit:(\S+)\[(\d+)\]/.match(line)
-            line = "<a href='/docs/#{x[1]}'>#{x[1]}[#{x[2]}]</a>"
+            "<a href='/docs/#{x[1]}'>#{x[1]}[#{x[2]}]</a>"
           end
           # HTML anchor on hdlist1 (i.e. command options)
           html.gsub!(/<dt class="hdlist1">(.*?)<\/dt>/) do |_m|
@@ -367,7 +367,7 @@ def local_index_doc(index_fun)
 
     get_file_list = lambda do |tree_sha|
       entries = `git ls-tree -r #{tree_sha}`.strip.split("\n")
-      tree = entries.map do |e|
+      entries.map do |e|
         _mode, _type, sha, path = e.split(" ")
         [path, sha]
       end
diff --git a/script/doc_importer b/script/doc_importer
index deb1e619..6abca5bf 100755
--- a/script/doc_importer
+++ b/script/doc_importer
@@ -12,7 +12,7 @@ doc = Asciidoctor::Document.new(content)
 html = doc.render
 html.gsub!(/linkgit:(.*)\[(\d+)\]/) do |line|
   x = /^linkgit:(.*)\[(\d+)\]/.match(line)
-  line = "<a href='/docs/#{x[1]}'>#{x[1]}[#{x[2]}]</a>"
+  "<a href='/docs/#{x[1]}'>#{x[1]}[#{x[2]}]</a>"
 end
 
 File.open("./git-diff.html", "w+") do |f|