[gnome-builder] adwaita: tweak gutter and diff color styling

[Christian Hergert <chergert src gnome org>]

commit 9786d18a6699026577a262192bce20b967d4ab00
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jul 7 08:37:29 2020 -0700

    adwaita: tweak gutter and diff color styling

 data/style-schemes/Adwaita-dark.style-scheme.xml | 7 +++++++
 data/style-schemes/Adwaita.style-scheme.xml      | 7 +++++++
 2 files changed, 14 insertions(+)
---
diff --git a/data/style-schemes/Adwaita-dark.style-scheme.xml 
b/data/style-schemes/Adwaita-dark.style-scheme.xml
index 4006c5d0e..fceed47b7 100644
--- a/data/style-schemes/Adwaita-dark.style-scheme.xml
+++ b/data/style-schemes/Adwaita-dark.style-scheme.xml
@@ -84,6 +84,13 @@
   <style name="search-match"                foreground="light1" background="orange3"/>
   <style name="misspelled-match"            foreground="light1" background="red3"/>
 
+  <!-- Diffs and VCS gutter -->
+  <style name="diff:added-line"             foreground="green5"/>
+  <style name="diff:removed-line"           foreground="red3"/>
+  <style name="gutter:added-line"           foreground="green5"/>
+  <style name="gutter:changed-line"         foreground="orange3"/>
+  <style name="gutter:removed-line"         foreground="red3"/>
+
   <style name="gtk-doc:function-name"       bold="true"/>
   <style name="gtk-doc:function"            bold="true"/>
   <style name="gtk-doc:parameter"           bold="true"/>
diff --git a/data/style-schemes/Adwaita.style-scheme.xml b/data/style-schemes/Adwaita.style-scheme.xml
index ba8c10667..60ef9a648 100644
--- a/data/style-schemes/Adwaita.style-scheme.xml
+++ b/data/style-schemes/Adwaita.style-scheme.xml
@@ -84,6 +84,13 @@
   <style name="search-match"                foreground="light1" background="orange3"/>
   <style name="misspelled-match"            foreground="light1" background="red3"/>
 
+  <!-- Diffs and VCS gutter -->
+  <style name="diff:added-line"             foreground="green5"/>
+  <style name="diff:removed-line"           foreground="red3"/>
+  <style name="gutter:added-line"           foreground="green5"/>
+  <style name="gutter:changed-line"         foreground="orange3"/>
+  <style name="gutter:removed-line"         foreground="red3"/>
+
   <style name="gtk-doc:function-name"       bold="true"/>
   <style name="gtk-doc:function"            bold="true"/>
   <style name="gtk-doc:parameter"           bold="true"/>