emacs: refactor

- Remove the excessive repetition of inherited packages
- Factor the excessive repetition of metadata in sources.nix

pkgs/applications/editors/emacs/default.nix

@@ -4,6 +4,14 @@ lib.makeScope pkgs.newScope (self:
   let
     gconf = pkgs.gnome2.GConf;
     inherit (self) callPackage;
+    inheritedArgs = {
+      inherit gconf;
+
+      inherit (pkgs.darwin) sigtool;
+      inherit (pkgs.darwin.apple_sdk.frameworks)
+        AppKit Carbon Cocoa GSS ImageCaptureCore ImageIO IOKit OSAKit Quartz
+        QuartzCore WebKit;
+    };
   in {
     sources = import ./sources.nix {
       inherit lib;
@@ -12,14 +20,7 @@ lib.makeScope pkgs.newScope (self:
         fetchFromSavannah;
     };
 
-    emacs28 = callPackage (self.sources.emacs28) {
-      inherit gconf;
-
-      inherit (pkgs.darwin) sigtool;
-      inherit (pkgs.darwin.apple_sdk.frameworks)
-        AppKit Carbon Cocoa GSS ImageCaptureCore ImageIO IOKit OSAKit Quartz
-        QuartzCore WebKit;
-    };
+    emacs28 = callPackage (self.sources.emacs28) inheritedArgs;
 
     emacs28-gtk2 = self.emacs28.override {
       withGTK2 = true;
@@ -33,14 +34,7 @@ lib.makeScope pkgs.newScope (self:
       noGui = true;
     });
 
-    emacs29 = callPackage (self.sources.emacs29) {
-      inherit gconf;
-
-      inherit (pkgs.darwin) sigtool;
-      inherit (pkgs.darwin.apple_sdk.frameworks)
-        AppKit Carbon Cocoa GSS ImageCaptureCore ImageIO IOKit OSAKit Quartz
-        QuartzCore WebKit;
-    };
+    emacs29 = callPackage (self.sources.emacs29) inheritedArgs;
 
     emacs29-gtk3 = self.emacs29.override {
       withGTK3 = true;
@@ -54,21 +48,7 @@ lib.makeScope pkgs.newScope (self:
       withPgtk = true;
     };
 
-    emacs28-macport = callPackage (self.sources.emacs28-macport) {
-      inherit gconf;
+    emacs28-macport = callPackage (self.sources.emacs28-macport) inheritedArgs;
 
-      inherit (pkgs.darwin) sigtool;
-      inherit (pkgs.darwin.apple_sdk.frameworks)
-        AppKit Carbon Cocoa GSS ImageCaptureCore ImageIO IOKit OSAKit Quartz
-        QuartzCore WebKit;
-    };
-
-    emacs29-macport = callPackage (self.sources.emacs29-macport) {
-      inherit gconf;
-
-      inherit (pkgs.darwin) sigtool;
-      inherit (pkgs.darwin.apple_sdk.frameworks)
-        AppKit Carbon Cocoa GSS ImageCaptureCore ImageIO IOKit OSAKit Quartz
-        QuartzCore WebKit;
-    };
+    emacs29-macport = callPackage (self.sources.emacs29-macport) inheritedArgs;
   })

pkgs/applications/editors/emacs/sources.nix

@@ -4,14 +4,29 @@
 }:
 
 let
-  metaFor = variant: version: rev: {
-    homepage = {
-      "mainline" = "https://www.gnu.org/software/emacs/";
-      "macport" = "https://bitbucket.org/mituharu/emacs-mac/";
+  mkArgs = { pname, version, variant, rev, hash }: {
+    inherit pname version variant;
+
+    src = {
+      "mainline" = (fetchFromSavannah {
+        repo = "emacs";
+        inherit rev hash;
+      });
+      "macport" = (fetchFromBitbucket {
+        owner = "mituharu";
+        repo = "emacs-mac";
+        inherit rev hash;
+      });
     }.${variant};
-    description = "The extensible, customizable GNU text editor"
-                  + lib.optionalString (variant == "macport") " - macport variant";
-    longDescription = ''
+
+    meta = {
+      homepage = {
+        "mainline" = "https://www.gnu.org/software/emacs/";
+        "macport" = "https://bitbucket.org/mituharu/emacs-mac/";
+      }.${variant};
+      description = "The extensible, customizable GNU text editor"
+                    + lib.optionalString (variant == "macport") " - macport variant";
+      longDescription = ''
       GNU Emacs is an extensible, customizable text editor—and more. At its core
       is an interpreter for Emacs Lisp, a dialect of the Lisp programming
       language with extensions to support text editing.
@@ -30,79 +45,57 @@ let
       This release is built from Mitsuharu Yamamoto's patched source code
       tailored for macOS.
     '';
-    changelog = {
-      "mainline" = "https://www.gnu.org/savannah-checkouts/gnu/emacs/news/NEWS.${version}";
-      "macport" = "https://bitbucket.org/mituharu/emacs-mac/raw/${rev}/NEWS-mac";
-    }.${variant};
-    license = lib.licenses.gpl3Plus;
-    maintainers = with lib.maintainers; [
-      AndersonTorres
-      adisbladis
-      atemu
-      jwiegley
-      lovek323
-      matthewbauer
-    ];
-    platforms = {
-      "mainline" = lib.platforms.all;
-      "macport" = lib.platforms.darwin;
-    }.${variant};
-    mainProgram = "emacs";
+      changelog = {
+        "mainline" = "https://www.gnu.org/savannah-checkouts/gnu/emacs/news/NEWS.${version}";
+        "macport" = "https://bitbucket.org/mituharu/emacs-mac/raw/${rev}/NEWS-mac";
+      }.${variant};
+      license = lib.licenses.gpl3Plus;
+      maintainers = with lib.maintainers; [
+        AndersonTorres
+        adisbladis
+        atemu
+        jwiegley
+        lovek323
+        matthewbauer
+      ];
+      platforms = {
+        "mainline" = lib.platforms.all;
+        "macport" = lib.platforms.darwin;
+      }.${variant};
+      mainProgram = "emacs";
+    };
   };
 in
 {
-  emacs28 = import ./generic.nix {
+  emacs28 = import ./generic.nix (mkArgs {
     pname = "emacs";
     version = "28.2";
     variant = "mainline";
-    src = fetchFromSavannah {
-      repo = "emacs";
-      rev = "28.2";
-      hash = "sha256-4oSLcUDR0MOEt53QOiZSVU8kPJ67GwugmBxdX3F15Ag=";
-    };
+    rev = "28.2";
+    hash = "sha256-4oSLcUDR0MOEt53QOiZSVU8kPJ67GwugmBxdX3F15Ag=";
+  });
 
-    meta = metaFor "mainline" "28.2" "28.2";
-  };
-
-  emacs29 = import ./generic.nix {
+  emacs29 = import ./generic.nix (mkArgs {
     pname = "emacs";
     version = "29.1";
     variant = "mainline";
-    src = fetchFromSavannah {
-      repo = "emacs";
-      rev = "29.1";
-      hash = "sha256-3HDCwtOKvkXwSULf3W7YgTz4GV8zvYnh2RrL28qzGKg=";
-    };
+    rev = "29.1";
+    hash = "sha256-3HDCwtOKvkXwSULf3W7YgTz4GV8zvYnh2RrL28qzGKg=";
+  });
 
-    meta = metaFor "mainline" "29.1" "29.1";
-  };
-
-  emacs28-macport = import ./generic.nix {
+  emacs28-macport = import ./generic.nix (mkArgs {
     pname = "emacs-mac";
     version = "28.2";
     variant = "macport";
-    src = fetchFromBitbucket {
-      owner = "mituharu";
-      repo = "emacs-mac";
-      rev = "emacs-28.2-mac-9.1";
-      hash = "sha256-Ne2jQ2nVLNiQmnkkOXVc5AkLVkTpm8pFC7VNY2gQjPE=";
-    };
+    rev = "emacs-28.2-mac-9.1";
+    hash = "sha256-Ne2jQ2nVLNiQmnkkOXVc5AkLVkTpm8pFC7VNY2gQjPE=";
+  });
 
-    meta = metaFor "macport" "28.2" "emacs-28.2-mac-9.1";
-  };
-
-  emacs29-macport = import ./generic.nix {
+  emacs29-macport = import ./generic.nix (mkArgs {
     pname = "emacs-mac";
     version = "29.1";
     variant = "macport";
-
-    src = fetchFromBitbucket {
-      owner = "mituharu";
-      repo = "emacs-mac";
-      rev = "emacs-29.1-mac-10.0";
-      hash = "sha256-TE829qJdPjeOQ+kD0SfyO8d5YpJjBge/g+nScwj+XVU=";
-    };
-
-    meta = metaFor "macport" "29.1" "emacs-29.1-mac-10.0";
-  };
+    rev = "emacs-29.1-mac-10.0";
+    hash = "sha256-TE829qJdPjeOQ+kD0SfyO8d5YpJjBge/g+nScwj+XVU=";
+  });
 }