From da9bda0e27966df638e3465b6e0383db2d1d336b Mon Sep 17 00:00:00 2001
From: Paul Chaignon <paul.chaignon@gmail.com>
Date: Sun, 19 Apr 2015 16:19:52 +0200
Subject: [PATCH] Detect KiCAD module files as generated

---
 lib/linguist/generated.rb         | 16 +++++++++-
 test/fixtures/Generated/ABM8G.mod | 50 +++++++++++++++++++++++++++++++
 test/test_blob.rb                 |  5 ++++
 3 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 test/fixtures/Generated/ABM8G.mod

diff --git a/lib/linguist/generated.rb b/lib/linguist/generated.rb
index 12987196..88226954 100644
--- a/lib/linguist/generated.rb
+++ b/lib/linguist/generated.rb
@@ -68,7 +68,8 @@ module Linguist
       generated_protocol_buffer_go? ||
       generated_protocol_buffer? ||
       generated_jni_header? ||
-      vcr_cassette?
+      vcr_cassette? ||
+      generated_kicad_module?
     end
 
     # Internal: Is the blob an Xcode file?
@@ -311,5 +312,18 @@ module Linguist
       return false unless lines.count > 1
       return lines[0].include?("Generated by Cython")
     end
+
+    # Internal: Is it a KiCAD module file?
+    #
+    # KiCAD module files contain:
+    # PCBNEW-LibModule-V1  yyyy-mm-dd h:mm:ss XM
+    # on the first line.
+    #
+    # Return true of false
+    def generated_kicad_module?
+      return false unless extname == '.mod'
+      return false unless lines.count > 1
+      return lines[0].include?("PCBNEW-LibModule-V")
+    end
   end
 end
diff --git a/test/fixtures/Generated/ABM8G.mod b/test/fixtures/Generated/ABM8G.mod
new file mode 100644
index 00000000..15887130
--- /dev/null
+++ b/test/fixtures/Generated/ABM8G.mod
@@ -0,0 +1,50 @@
+PCBNEW-LibModule-V1  Wed 10 Aug 2011 05:57:27 PM COT
+# encoding utf-8
+$INDEX
+ABM8G
+$EndINDEX
+$MODULE ABM8G
+Po 0 0 0 15 4E430CBD 4E430CC5 ~~
+Li ABM8G
+Sc 4E430CC5
+AR 
+Op 0 0 0
+T0 591 -1378 354 354 0 39 N V 21 N "ABM8G"
+T1 0 787 354 354 0 39 N V 21 N "VAL**"
+DS -591 394 1299 394 79 21
+DS 1299 394 1299 -1063 79 21
+DS 1299 -1063 -472 -1063 79 21
+DS -472 -1063 -472 472 79 21
+DS -472 472 -472 551 79 21
+DS -472 551 -591 551 79 21
+DS -591 551 -591 433 79 21
+$PAD
+Sh "1" R 551 472 0 0 0
+Dr 0 0 0
+At SMD N 00888000
+Ne 0 ""
+Po 0 0
+$EndPAD
+$PAD
+Sh "2" R 551 472 0 0 0
+Dr 0 0 0
+At SMD N 00888000
+Ne 0 ""
+Po 866 0
+$EndPAD
+$PAD
+Sh "3" R 551 472 0 0 0
+Dr 0 0 0
+At SMD N 00888000
+Ne 0 ""
+Po 866 -669
+$EndPAD
+$PAD
+Sh "4" R 551 472 0 0 0
+Dr 0 0 0
+At SMD N 00888000
+Ne 0 ""
+Po 0 -669
+$EndPAD
+$EndMODULE  ABM8G
+$EndLIBRARY
diff --git a/test/test_blob.rb b/test/test_blob.rb
index 138eef8e..88d4c795 100644
--- a/test/test_blob.rb
+++ b/test/test_blob.rb
@@ -243,6 +243,9 @@ class TestBlob < Minitest::Test
     # Cython-generated C/C++
     assert sample_blob("C/sgd_fast.c").generated?
     assert sample_blob("C++/wrapper_inner.cpp").generated?
+
+    # KiCAD module files
+    assert fixture_blob("Generated/ABM8G.mod").generated?
   end
 
   def test_vendored
@@ -536,6 +539,8 @@ class TestBlob < Minitest::Test
         blob = fixture_blob(filepath)
         if language == 'Data'
           assert blob.language.nil?, "A language was found for #{filepath}"
+        elsif language == 'Generated'
+          assert blob.generated?, "#{filepath} is not a generated file"
         else
           assert blob.language, "No language for #{filepath}"
           assert_equal language, blob.language.name, blob.name