Merge pull request #61763 from c0bw3b/pkg/pstree-classic

pstree: re-init at 2.39 (reverts #60994)

pkgs/applications/misc/pstree/default.nix

@@ -0,0 +1,38 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "pstree";
+  version = "2.39";
+
+  src = fetchurl {
+    urls = [
+      "https://distfiles.macports.org/${pname}/${pname}-${version}.tar.gz"
+      "https://fossies.org/linux/misc/${pname}-${version}.tar.gz"
+      "ftp://ftp.thp.uni-duisburg.de/pub/source/${pname}-${version}.tar.gz"
+    ];
+    sha256 = "17s7v15c4gryjpi11y1xq75022nkg4ggzvjlq2dkmyg67ssc76vw";
+  };
+
+  sourceRoot = ".";
+  buildPhase = ''
+    runHook preBuild
+    $CC $NIX_CFLAGS -o pstree pstree.c
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm0555 ${pname} -t $out/bin
+    install -Dm0444 ${pname}.1 -t $out/share/man/man1
+    runHook postInstall
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Show the set of running processes as a tree";
+    homepage = "http://www.thp.uni-duisburg.de/pstree/";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.c0bw3b ];
+    platforms = platforms.unix;
+    priority = 5; # Lower than psmisc also providing pstree on Linux platforms
+  };
+}

pkgs/top-level/aliases.nix

@@ -256,7 +256,6 @@ mapAliases ({
   # end
   ppl-address-book = throw "deprecated in 2019-05-02: abandoned by upstream.";
   procps-ng = procps; # added 2018-06-08
-  pstree = psmisc; # added 2019-05-05
   pulseaudioLight = pulseaudio; # added 2018-04-25
   qca-qt5 = libsForQt5.qca-qt5;  # added 2015-12-19
   qt_gstreamer = qt-gstreamer;  # added 2017-02

pkgs/top-level/all-packages.nix

@@ -19572,6 +19572,8 @@ in
 
   psol = callPackage ../development/libraries/psol { };
 
+  pstree = callPackage ../applications/misc/pstree { };
+
   ptask = callPackage ../applications/misc/ptask { };
 
   pulseaudio-ctl = callPackage ../applications/audio/pulseaudio-ctl { };