1 files changed, 54 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/procps-ng/default.nix b/nixpkgs/pkgs/os-specific/linux/procps-ng/default.nix
new file mode 100644
index 000000000000..272812ccb588
--- /dev/null
+++ b/nixpkgs/pkgs/os-specific/linux/procps-ng/default.nix
@@ -0,0 +1,54 @@
+{ lib, stdenv, fetchurl, ncurses, pkgconfig
+
+# `ps` with systemd support is able to properly report different
+# attributes like unit name, so we want to have it on linux.
+, withSystemd ? stdenv.isLinux
+, systemd ? null
+
+# procps is mostly Linux-only. Most commands require a running Linux
+# system (or very similar like that found in Cygwin). The one
+# exception is ‘watch’ which is portable enough to run on pretty much
+# any UNIX-compatible system.
+, watchOnly ? !(stdenv.isLinux || stdenv.isCygwin)
+}:
+
+stdenv.mkDerivation rec {
+  name = "procps-${version}";
+  version = "3.3.15";
+
+  # The project's releases are on SF, but git repo on gitlab.
+  src = fetchurl {
+    url = "mirror://sourceforge/procps-ng/procps-ng-${version}.tar.xz";
+    sha256 = "0r84kwa5fl0sjdashcn4vh7hgfm7ahdcysig3mcjvpmkzi7p9g8h";
+  };
+
+  buildInputs = [ ncurses ]
+    ++ lib.optional withSystemd systemd;
+  nativeBuildInputs = [ pkgconfig ];
+
+  makeFlags = [ "usrbin_execdir=$(out)/bin" ]
+    ++ lib.optionals watchOnly [ "watch" "PKG_LDFLAGS="];
+
+  enableParallelBuilding = true;
+
+  # Too red
+  configureFlags = [ "--disable-modern-top" ]
+    ++ lib.optional withSystemd "--with-systemd"
+    ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform)
+    [ "ac_cv_func_malloc_0_nonnull=yes"
+      "ac_cv_func_realloc_0_nonnull=yes" ];
+
+  installPhase = if watchOnly then ''
+    install -m 0755 -D watch $out/bin/watch
+    install -m 0644 -D watch.1 $out/share/man/man1/watch.1
+  '' else null;
+
+  meta = {
+    homepage = https://gitlab.com/procps-ng/procps;
+    description = "Utilities that give information about processes using the /proc filesystem";
+    priority = 10; # less than coreutils, which also provides "kill" and "uptime"
+    license = lib.licenses.gpl2;
+    platforms = lib.platforms.unix;
+    maintainers = [ lib.maintainers.typetetris ];
+  };
+}