mkcast: drop and replace with xscast (#40026)

The package has been declared as unmaintained, `xscast` is the way to
go: https://github.com/KeyboardFire/mkcast#obsolete

Replacement for `mkcast` (https://github.com/KeyboardFire/mkcast#obsolete)

pkgs/applications/video/mkcast/default.nix

@@ -1,37 +0,0 @@
-{ stdenv, fetchFromGitHub, wmctrl, pythonPackages, byzanz
-, xdpyinfo, makeWrapper, gtk2, xorg, gnome3 }:
-
-stdenv.mkDerivation rec {
-  name = "mkcast-2015-03-13";
-
-  src = fetchFromGitHub {
-    owner = "KeyboardFire";
-    repo = "mkcast";
-    rev = "cac22cb6c6f8ec2006339698af5e9199331759e0";
-    sha256 = "15wp3n3z8gw7kjdxs4ahda17n844awhxsqbql5ipsdhqfxah2d8p";
-  };
-
-  buildInputs = with pythonPackages; [ makeWrapper pygtk gtk2 xlib ];
-
-  makeFlags = [ "PREFIX=$(out)" ];
-
-  postInstall = ''
-    for f in $out/bin/*; do #*/
-      wrapProgram $f --prefix PATH : "${stdenv.lib.makeBinPath [ xdpyinfo wmctrl byzanz gnome3.gnome-terminal ]}:$out/bin"
-    done
-
-    rm -r screenkey/.bzr
-    cp -R screenkey $out/bin
-
-    wrapProgram $out/bin/screenkey/screenkey \
-      --prefix PATH : "${xorg.xmodmap}/bin"\
-      --prefix PYTHONPATH : "$PYTHONPATH"
-  '';
-
-  meta = with stdenv.lib; {
-    description = "A tool for creating GIF screencasts of a terminal, with key presses overlaid";
-    homepage = https://github.com/KeyboardFire/mkcast;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ domenkozar pSub ];
-  };
-}

pkgs/applications/video/xscast/default.nix

@@ -0,0 +1,35 @@
+{ stdenv, fetchFromGitHub, makeWrapper, ffmpeg, imagemagick, dzen2, xorg }:
+
+stdenv.mkDerivation rec {
+  name = "xscast-unstable-${version}";
+  version = "2016-07-26";
+
+  src = fetchFromGitHub {
+    owner = "KeyboardFire";
+    repo = "xscast";
+    rev = "9e6fd3c28d3f5ae630619f6dbccaf1f6ca594b21";
+    sha256 = "0br27bq9bpglfdpv63h827bipgvhlh10liyhmhcxls4227kagz72";
+  };
+
+  buildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 xscast.sh $out/bin/xscast
+    install -Dm644 xscast.1 $out/share/man/man1/xscast.1
+    patchShebangs $out/bin
+
+    wrapProgram "$out/bin/xscast" \
+      --prefix PATH : ${stdenv.lib.makeBinPath [ ffmpeg dzen2 xorg.xwininfo xorg.xinput xorg.xmodmap imagemagick ]}
+
+    runHook postInstall
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/KeyboardFire/xscast;
+    license = licenses.mit;
+    description = "Screencasts of windows with list of keystrokes overlayed";
+    maintainers = with maintainers; [ ma27 ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -3334,8 +3334,6 @@ with pkgs;
 
   motion = callPackage ../applications/video/motion { };
 
-  mkcast = callPackage ../applications/video/mkcast { };
-
   mtail = callPackage ../servers/monitoring/mtail { };
 
   multitail = callPackage ../tools/misc/multitail { };
@@ -5576,6 +5574,8 @@ with pkgs;
 
   xprintidle-ng = callPackage ../tools/X11/xprintidle-ng {};
 
+  xscast = callPackage ../applications/video/xscast { };
+
   xsettingsd = callPackage ../tools/X11/xsettingsd { };
 
   xsensors = callPackage ../os-specific/linux/xsensors { };