1 files changed, 39 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/version-management/rcs/default.nix b/nixpkgs/pkgs/applications/version-management/rcs/default.nix
new file mode 100644
index 000000000000..d814e0ca0a52
--- /dev/null
+++ b/nixpkgs/pkgs/applications/version-management/rcs/default.nix
@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchurl, fetchpatch, buildPackages, diffutils, ed }:
+
+stdenv.mkDerivation rec {
+  pname = "rcs";
+  version = "5.10.0";
+
+  src = fetchurl {
+    url = "mirror://gnu/rcs/${pname}-${version}.tar.xz";
+    sha256 = "sha256-Og2flYx60wPkdehjRlSXTtvm3rOkVEkfOFfcGIm6xcU";
+  };
+
+  ac_cv_path_ED = "${ed}/bin/ed";
+  DIFF = "${diffutils}/bin/diff";
+  DIFF3 = "${diffutils}/bin/diff3";
+
+  disallowedReferences =
+    lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform)
+      [ buildPackages.diffutils buildPackages.ed ];
+
+  NIX_CFLAGS_COMPILE = "-std=c99";
+
+  hardeningDisable = lib.optional stdenv.cc.isClang "format";
+
+  meta = {
+    homepage = "https://www.gnu.org/software/rcs/";
+    description = "Revision control system";
+    longDescription =
+      '' The GNU Revision Control System (RCS) manages multiple revisions of
+         files. RCS automates the storing, retrieval, logging,
+         identification, and merging of revisions.  RCS is useful for text
+         that is revised frequently, including source code, programs,
+         documentation, graphics, papers, and form letters.
+      '';
+
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ eelco ];
+    platforms = lib.platforms.unix;
+  };
+}