Overlays: Difference between revisions

Overlays (view source)

Revision as of 20:00, 15 September 2021

1,189 bytes added , 15 September 2021

better scope example

VisualWikitext

Anonymous user

imported>Artturin

@@ Line 203: / Line 203: @@
 === Overriding a package inside a scope ===
-Some packages are not in the top level of nixpkgs but inside a ''scope''. For example all [[GNOME]] packages are in the <code>gnome3</code> attribute set and [[Xfce]] packages inside <code>xfce</code>. These attributes are often ''scopes'' and must be overriden specially. Here is an example of patching <code>xfce.xfce4-terminal</code>.
+Some packages are not in the top level of nixpkgs but inside a ''scope''. For example all [[GNOME]] packages are in the <code>gnome</code> attribute set and [[Xfce]] packages inside <code>xfce</code>. These attributes are often ''scopes'' and must be overriden specially. Here is an example of patching <code>gnome.mutter</code> and <code>gnome.gnome-control-center</code>.
 <syntaxhighlight lang="nix">
 # elements of nixpkgs must be taken from self and super
-self: super:
+self: super: {
-{
+   # elements of pkgs.gnome must be taken from gself and gsuper
-   xfce = super.xfce.overrideScope' (
+  gnome = super.gnome.overrideScope' (gself: gsuper: {
-    # elements of pkgs.xfce must be taken from selfx and superx
+    mutter = gsuper.mutter.overrideAttrs (oldAttrs: {
-    selfx: superx: {
+      patches = oldAttrs.patches ++ [
-      xfce4-terminal = superx.xfce4-terminal.overrideAttrs (
+         # https://salsa.debian.org/gnome-team/mutter/-/blob/ubuntu/master/debian/patches/x11-Add-support-for-fractional-scaling-using-Randr.patch
-         old: {
+        (super.fetchpatch {
-           patches = (old.patches or []) ++ [
+           url = "https://salsa.debian.org/gnome-team/mutter/-/raw/91d9bdafd5d624fe1f40f4be48663014830eee78/debian/patches/x11-Add-support-for-fractional-scaling-using-Randr.patch";
-            (
+          sha256 = "m6PKjVxhGVuzsMBVA82UyJ6Cb1s6SMI0eRooa+F2MY8=";
-              # https://bugzilla.xfce.org/show_bug.cgi?id=16682
+        })
-              super.fetchpatch {
+    ];
-                url = "https://bugzilla.xfce.org/attachment.cgi?id=9709";
+    });
-                sha256 = "1shxzzvwsybri772lbm17rpd1l0g9y2vc7f7xgqlgkgz72wzr5zp";
+    gnome-control-center = gsuper.gnome-control-center.overrideAttrs (oldAttrs: {
-              }
+      patches = oldAttrs.patches ++ [
-            )
+        # https://salsa.debian.org/gnome-team/gnome-control-center/-/blob/ubuntu/master/debian/patches/ubuntu/display-Support-UI-scaled-logical-monitor-mode.patch
-           ];
+        (super.fetchpatch {
-         }
+          url = "https://salsa.debian.org/gnome-team/gnome-control-center/-/raw/f185f33fb200cc963c062c7a82920a085f696978/debian/patches/ubuntu/display-Support-UI-scaled-logical-monitor-mode.patch";
-       );
+          sha256 = "XBMD0chaV6GGg3R9/rQnsBejXspomVZz/a4Bvv/AHCA=";
-     }
+        })
-   );
+        # https://salsa.debian.org/gnome-team/gnome-control-center/-/blob/ubuntu/master/debian/patches/ubuntu/display-Allow-fractional-scaling-to-be-enabled.patch
+        (super.fetchpatch {
+          url = "https://salsa.debian.org/gnome-team/gnome-control-center/-/raw/f185f33fb200cc963c062c7a82920a085f696978/debian/patches/ubuntu/display-Allow-fractional-scaling-to-be-enabled.patch";
+           sha256 = "Pm6PTmsL2bW9JAHD1u0oUEqD1PCIErOlcuqlwvP593I=";
+         })
+       ];
+     });
+   });
 }
 </syntaxhighlight>