.functions: Alias `diff` to `git diff` when available

1 files changed, 8 insertions, 0 deletions

diff --git a/.functions b/.functions
index 4c7f6e7..67e64d6 100644
--- a/.functions
+++ b/.functions
@@ -3,6 +3,14 @@ function md() {
 	mkdir -p "$@" && cd "$@"
 }
 
+# Use Git’s colored diff when available
+hash git &>/dev/null
+if [ $? -eq 0 ]; then
+	function diff() {
+		git diff --no-index --color-words "$@"
+	}
+fi
+
 # Create a data URL from an image (works for other file types too, if you tweak the Content-Type afterwards)
 dataurl() {
 	echo "data:image/${1##*.};base64,$(openssl base64 -in "$1")" | tr -d '\n'