Update gitignore

.gitignore

@@ -1,25 +1,11 @@
-target/
-Roman/Black/SourceSansPro-Black.otf
-Roman/Black/SourceSansPro-Black.ttf
-Roman/Bold/SourceSansPro-Bold.otf
-Roman/Bold/SourceSansPro-Bold.ttf
-Roman/ExtraLight/SourceSansPro-ExtraLight.otf
-Roman/ExtraLight/SourceSansPro-ExtraLight.ttf
-Roman/Light/SourceSansPro-Light.otf
-Roman/Light/SourceSansPro-Light.ttf
-Roman/Regular/SourceSansPro-Regular.otf
-Roman/Regular/SourceSansPro-Regular.ttf
-Roman/Semibold/SourceSansPro-Semibold.otf
-Roman/Semibold/SourceSansPro-Semibold.ttf
-Italic/BlackIt/SourceSansPro-BlackIt.otf
-Italic/BlackIt/SourceSansPro-BlackIt.ttf
-Italic/BoldIt/SourceSansPro-BoldIt.otf
-Italic/BoldIt/SourceSansPro-BoldIt.ttf
-Italic/ExtraLightIt/SourceSansPro-ExtraLightIt.otf
-Italic/ExtraLightIt/SourceSansPro-ExtraLightIt.ttf
-Italic/LightIt/SourceSansPro-LightIt.otf
-Italic/LightIt/SourceSansPro-LightIt.ttf
-Italic/It/SourceSansPro-It.otf
-Italic/It/SourceSansPro-It.ttf
-Italic/SemiboldIt/SourceSansPro-SemiboldIt.otf
-Italic/SemiboldIt/SourceSansPro-SemiboldIt.ttf
+# ignore build folder:
+target
+
+# ignore font binaries in master branch:
+Source*.otf
+Source*.ttf
+
+# ignore processed glyphs & hashmap in masters:
+*/*/*/master.ufo/glyphs.com.adobe.type.processedGlyphs
+*/*/*/master.ufo/data/com.adobe.type.processedHashMap
+*/*/*/master.ufo/layercontents.plist