1 files changed, 30 insertions, 0 deletions
diff --git a/pkgs/applications/editors/emacs/elisp-packages/header-file-mode/default.nix b/pkgs/applications/editors/emacs/elisp-packages/header-file-mode/default.nix
new file mode 100644
index 00000000000..7fd3280d807
--- /dev/null
+++ b/pkgs/applications/editors/emacs/elisp-packages/header-file-mode/default.nix
@@ -0,0 +1,30 @@
+{ trivialBuild
+, lib
+, fetchFromGitHub
+}:
+
+trivialBuild {
+  pname = "header-file-mode";
+  version = "unstable-2022-04-19";
+
+  src = fetchFromGitHub {
+    owner = "0x4b";
+    repo = "header-file-mode";
+    rev = "fdf1930730e1b0c3f82490099a1325805491eff5";
+    sha256 = "sha256-FJgRI6RLQk9osh7d+YRfrV5CoGCDx2cZvsjAWlm969c=";
+  };
+
+  postUnpack = ''
+    sourceRoot="$sourceRoot/lisp"
+  '';
+
+  meta = {
+    description = ''
+      A major mode that, when associated with the .h file extension, will put
+      those file into the major mode of their corresponding implementation file.
+    '';
+    license = lib.licenses.gpl3Plus;
+    platforms = lib.platforms.all;
+    maintainers = with maintainers; [ aidalgol ];
+  };
+}