metanorma/metanorma#202 respect HTTP[S]|SOCKS_PROXY env vars during g…

…it clone

lib/fontist/repo.rb

@@ -1,4 +1,5 @@
 require "git"
+require "fontist/utils/git"
 
 module Fontist
   class Repo
@@ -48,7 +49,7 @@ def fetch_repo(name, url)
         if Dir.exist?(path)
           Git.open(path).pull
         else
-          Git.clone(url, path, depth: 1)
+          Utils::Git.clone(url, path, depth: 1)
         end
       end
 

lib/fontist/update.rb

@@ -20,9 +20,9 @@ def update_main_repo
       if Dir.exist?(Fontist.formulas_repo_path)
         Git.open(Fontist.formulas_repo_path).pull
       else
-        Git.clone(Fontist.formulas_repo_url,
-                  Fontist.formulas_repo_path,
-                  depth: 1)
+        Utils::Git.clone(Fontist.formulas_repo_url,
+                         Fontist.formulas_repo_path,
+                         depth: 1)
       end
     end
 

lib/fontist/utils/git.rb

@@ -0,0 +1,23 @@
+require "git"
+
+module Fontist
+  module Utils
+    class Git
+      def self.clone(url, path, opts)
+        http_proxy = ENV["SOCKS_PROXY"] || ENV["HTTP_PROXY"]
+        https_proxy = ENV["SOCKS_PROXY"] || ENV["HTTPS_PROXY"]
+
+        if http_proxy || https_proxy
+          git = Git.init(path.to_s)
+          git.config('http.proxy', http_proxy) if http_proxy # NOTE what if user move out of proxy
+          git.config('https.proxy', https_proxy) if https_proxy
+          git.add_remote('origin', url)
+          git.fetch
+          git.checkout("master") # FIXME after https://github.com/ruby-git/ruby-git/pull/532
+        else
+          Git.clone(url, path, opts)
+        end
+      end
+    end
+  end
+end