From 498cc15aa988fa8a37c98bbcdacf593a86bee087 Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <tgx_world@hotmail.com>
Date: Thu, 15 Feb 2018 15:54:14 +0800
Subject: [PATCH] Upgrade mail gem to drop dependency on `mime-types`.

Boot Memory Usage

```
Total allocated: 225695379 bytes (1990663 objects)
Total retained:  32795116 bytes (291607 objects)
```

```
Total allocated: 218342892 bytes (1897350 objects)
Total retained:  30123426 bytes (261198 objects)
```
---
 .gitattributes                                |   7 +-
 Gemfile                                       |   1 -
 Gemfile.lock                                  |   8 +-
 spec/fixtures/emails/encoded_display_name.eml |  22 +--
 spec/fixtures/emails/forwarded_email_3.eml    |  36 ++---
 spec/fixtures/emails/inline_image.eml         | 152 +++++++++---------
 .../emails/reply_with_8bit_encoding.eml       |  24 +--
 7 files changed, 124 insertions(+), 126 deletions(-)

diff --git a/.gitattributes b/.gitattributes
index ae7015b472a..546b134a0ce 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,11 +1,14 @@
 # Set default behaviour, in case users don't have core.autocrlf set.
 * text=auto
 
-# Explicitly declare text files we want to always be normalized and converted 
+# Treat email fixtures as binary files so CRLF are not converted to LF.
+*.eml binary
+
+# Explicitly declare text files we want to always be normalized and converted
 # to native line endings on checkout.
 *.yml text
 
-# Custom for Visual Studio, very unlikely, but lets keep it 
+# Custom for Visual Studio, very unlikely, but lets keep it
 *.cs     diff=csharp
 *.sln    merge=union
 *.csproj merge=union
diff --git a/Gemfile b/Gemfile
index cf250465649..3db4f98f0a8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,6 @@ else
 end
 
 gem 'mail'
-gem 'mime-types', require: 'mime/types/columnar'
 gem 'mini_mime'
 gem 'mini_suffix'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 09d9ff3bb30..79ba711e6b4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -162,16 +162,13 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lru_redux (1.1.0)
-    mail (2.6.6)
-      mime-types (>= 1.16, < 4)
+    mail (2.7.0)
+      mini_mime (>= 0.1.1)
     memory_profiler (0.9.10)
     message_bus (2.1.2)
       rack (>= 1.1.3)
     metaclass (0.0.4)
     method_source (0.8.2)
-    mime-types (3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
     mini_mime (0.1.3)
     mini_portile2 (2.3.0)
     mini_racer (0.1.15)
@@ -442,7 +439,6 @@ DEPENDENCIES
   mail
   memory_profiler
   message_bus
-  mime-types
   mini_mime
   mini_racer
   mini_suffix
diff --git a/spec/fixtures/emails/encoded_display_name.eml b/spec/fixtures/emails/encoded_display_name.eml
index 1b5d6bb3a10..132e4404011 100644
--- a/spec/fixtures/emails/encoded_display_name.eml
+++ b/spec/fixtures/emails/encoded_display_name.eml
@@ -1,11 +1,11 @@
-Return-Path: <random.name@bar.ru>
-From: =?UTF-8?B?0KHQu9GD0YfQsNC50L3QsNGP?= =?UTF-8?B?INCY0LzRjw==?= <random.name@bar.ru>
-To: meat@bar.com
-Subject: I need help
-Date: Fri, 15 Jan 2016 00:12:43 +0100
-Message-ID: <29@foo.bar.mail>
-Mime-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: quoted-printable
-
-Будьте здоровы!
+Return-Path: <random.name@bar.ru>
+From: =?UTF-8?B?0KHQu9GD0YfQsNC50L3QsNGP?= =?UTF-8?B?INCY0LzRjw==?= <random.name@bar.ru>
+To: meat@bar.com
+Subject: I need help
+Date: Fri, 15 Jan 2016 00:12:43 +0100
+Message-ID: <29@foo.bar.mail>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: quoted-printable
+
+Будьте здоровы!
diff --git a/spec/fixtures/emails/forwarded_email_3.eml b/spec/fixtures/emails/forwarded_email_3.eml
index 1f37822b0a7..549dd44a68b 100644
--- a/spec/fixtures/emails/forwarded_email_3.eml
+++ b/spec/fixtures/emails/forwarded_email_3.eml
@@ -1,18 +1,18 @@
-Message-ID: <60@foo.bar.mail>
-From: Ba Bar <ba@bar.com>
-To: Team <team@bar.com>
-Date: Mon, 9 Dec 2016 13:37:42 +0100
-Subject: Fwd: Ça Discourse ?
-
-@team, can you have a look at this email below?
-
-Objet: Ça Discourse ?
-Date: 2017-01-04 11:27
-De: Un Français <un@francais.fr>
-À: ba@bar.com
-
-Bonjour,
-
-Ça Discourse bien aujourd'hui ?
-
-Bises
+Message-ID: <60@foo.bar.mail>
+From: Ba Bar <ba@bar.com>
+To: Team <team@bar.com>
+Date: Mon, 9 Dec 2016 13:37:42 +0100
+Subject: Fwd: Ça Discourse ?
+
+@team, can you have a look at this email below?
+
+Objet: Ça Discourse ?
+Date: 2017-01-04 11:27
+De: Un Français <un@francais.fr>
+À: ba@bar.com
+
+Bonjour,
+
+Ça Discourse bien aujourd'hui ?
+
+Bises
diff --git a/spec/fixtures/emails/inline_image.eml b/spec/fixtures/emails/inline_image.eml
index af3283702a9..b169f8167a0 100644
--- a/spec/fixtures/emails/inline_image.eml
+++ b/spec/fixtures/emails/inline_image.eml
@@ -1,76 +1,76 @@
-Return-Path: <discourse@bar.com>
-From: Foo Bar <discourse@bar.com>
-To: reply+4f97315cc828096c9cb34c6f1a0d6fe8@bar.com
-Date: Fri, 15 Jan 2016 00:12:43 +0100
-Message-ID: <28@foo.bar.mail>
-Mime-Version: 1.0
-Content-Type: multipart/related; boundary=001a114b2eccff183a052998ec68
-
---001a114b2eccff183a052998ec68
-Content-Type: multipart/alternative; boundary=001a114b2eccff1836052998ec67
-
---001a114b2eccff1836052998ec67
-Content-Type: text/plain; charset=UTF-8
-
-Before
-
-[image: 内嵌图片 1]
-
-After
-
---001a114b2eccff1836052998ec67
-Content-Type: text/html; charset=UTF-8
-
-<div dir="ltr"><b>Before</b><div><br></div><div><img src="cid:ii_1525434659ddb4cb" alt="内嵌图片 1"><br></div><div><br></div><div><i>After</i>
-</div></div>
-
---001a114b2eccff1836052998ec67--
---001a114b2eccff183a052998ec68
-Content-Type: image/png; name="logo.png"
-Content-Disposition: inline; filename="logo.png"
-Content-Transfer-Encoding: base64
-Content-ID: <ii_1525434659ddb4cb>
-X-Attachment-Id: ii_1525434659ddb4cb
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---001a114b2eccff183a052998ec68--
+Return-Path: <discourse@bar.com>
+From: Foo Bar <discourse@bar.com>
+To: reply+4f97315cc828096c9cb34c6f1a0d6fe8@bar.com
+Date: Fri, 15 Jan 2016 00:12:43 +0100
+Message-ID: <28@foo.bar.mail>
+Mime-Version: 1.0
+Content-Type: multipart/related; boundary=001a114b2eccff183a052998ec68
+
+--001a114b2eccff183a052998ec68
+Content-Type: multipart/alternative; boundary=001a114b2eccff1836052998ec67
+
+--001a114b2eccff1836052998ec67
+Content-Type: text/plain; charset=UTF-8
+
+Before
+
+[image: 内嵌图片 1]
+
+After
+
+--001a114b2eccff1836052998ec67
+Content-Type: text/html; charset=UTF-8
+
+<div dir="ltr"><b>Before</b><div><br></div><div><img src="cid:ii_1525434659ddb4cb" alt="内嵌图片 1"><br></div><div><br></div><div><i>After</i>
+</div></div>
+
+--001a114b2eccff1836052998ec67--
+--001a114b2eccff183a052998ec68
+Content-Type: image/png; name="logo.png"
+Content-Disposition: inline; filename="logo.png"
+Content-Transfer-Encoding: base64
+Content-ID: <ii_1525434659ddb4cb>
+X-Attachment-Id: ii_1525434659ddb4cb
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+--001a114b2eccff183a052998ec68--
diff --git a/spec/fixtures/emails/reply_with_8bit_encoding.eml b/spec/fixtures/emails/reply_with_8bit_encoding.eml
index ed99f6752a8..2d025dd929b 100644
--- a/spec/fixtures/emails/reply_with_8bit_encoding.eml
+++ b/spec/fixtures/emails/reply_with_8bit_encoding.eml
@@ -1,12 +1,12 @@
-Return-Path: <discourse@bar.com>
-From: Foo Bar <discourse@bar.com>
-To: reply+4f97315cc828096c9cb34c6f1a0d6fe8@bar.com
-Date: Fri, 15 Jan 2016 00:12:43 +0100
-Message-ID: <43@foo.bar.mail>
-MIME-Version: 1.0
-Content-Type: text/plain; charset=iso-8859-1
-Content-Disposition: inline
-Content-Transfer-Encoding: 8bit
-
-hab vergessen kritische zeichen einzufügen:
-äöüÄÖÜß
+Return-Path: <discourse@bar.com>
+From: Foo Bar <discourse@bar.com>
+To: reply+4f97315cc828096c9cb34c6f1a0d6fe8@bar.com
+Date: Fri, 15 Jan 2016 00:12:43 +0100
+Message-ID: <43@foo.bar.mail>
+MIME-Version: 1.0
+Content-Type: text/plain; charset=iso-8859-1
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
+hab vergessen kritische zeichen einzufügen:
+äöüÄÖÜß