git: ++attributes, ++diffs

.gitattributes

@@ -0,0 +1 @@
+*.plist diff=plist

etc/soft/git/gitconfig

@@ -32,6 +32,22 @@
 [gc]
 	writeCommitGraph = true
 
+# ----[ DIFF METHODS ]--------------------------------------------------------
+
+[diff "plist"]
+	textconv = plutil -p
+
+[diff "pdf"]
+	textconv = pdfinfo
+
+[diff "png"]
+	textconv = exiftool
+
+[diff "jpg"]
+	textconv = exiftool
+
+# ----[ ALIASES ]--------------------------------------------------------
+
 [alias]
 	# ----[ COMMON ]--------------------------------------------------------