From 263a1509dbd79b1df3abe1bd42e2cd5d45448dea Mon Sep 17 00:00:00 2001
From: Anirudh Oppiliappan <x@icyphox.sh>
Date: Mon, 19 Dec 2022 18:07:13 +0530
Subject: [PATCH] diff: show diff type

---
 git/diff.go           |  4 ++++
 static/style.css      |  4 ++++
 templates/commit.html | 11 ++++++++++-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/git/diff.go b/git/diff.go
index 063ac87..93c823a 100644
--- a/git/diff.go
+++ b/git/diff.go
@@ -21,6 +21,8 @@ type Diff struct {
 	}
 	TextFragments []TextFragment
 	IsBinary      bool
+	IsNew         bool
+	IsDelete      bool
 }
 
 // A nicer git diff representation.
@@ -90,6 +92,8 @@ func (g *GitRepo) Diff() (*NiceDiff, error) {
 		ndiff.Name.New = d.NewName
 		ndiff.Name.Old = d.OldName
 		ndiff.IsBinary = d.IsBinary
+		ndiff.IsNew = d.IsNew
+		ndiff.IsDelete = d.IsDelete
 
 		for _, tf := range d.TextFragments {
 			ndiff.TextFragments = append(ndiff.TextFragments, TextFragment{
diff --git a/static/style.css b/static/style.css
index 1a59591..6d805a1 100644
--- a/static/style.css
+++ b/static/style.css
@@ -238,6 +238,10 @@ a:hover {
   overflow: scroll;
 }
 
+.diff-type {
+  color: var(--gray);
+}
+
 .commit-info {
   color: var(--gray);
   padding-bottom: 1.5rem;
diff --git a/templates/commit.html b/templates/commit.html
index 65803b7..c37f850 100644
--- a/templates/commit.html
+++ b/templates/commit.html
@@ -46,8 +46,17 @@
         {{ $repo := .name }}
         {{ $this := .commit.This }}
         {{ range .diff }}
-          <div class="diff">
           <div id="{{ .Name.New }}">
+            <div class="diff">
+            {{ if .IsNew }}
+            <span class="diff-type">A</span>
+            {{ end }}
+            {{ if .IsDelete }}
+            <span class="diff-type">D</span>
+            {{ end }}
+            {{ if not (or .IsNew .IsDelete) }}
+            <span class="diff-type">M</span>
+            {{ end }}
           {{ if .Name.Old }}
           <a href="/{{ $repo }}/blob/{{ $this }}/{{ .Name.Old }}">{{ .Name.Old }}</a>
           {{ if .Name.New }}