From e87bfe08b65fc150f8c9b617c72104d0aca45ebb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Wed, 23 May 2018 10:31:44 +0100
Subject: [PATCH] radare2: 2.5.0 -> 2.6.0

---
 .../tools/analysis/radare2/default.nix        | 41 ++++++++---
 .../tools/analysis/radare2/update.py          | 72 +++++++++++++++++++
 2 files changed, 102 insertions(+), 11 deletions(-)
 create mode 100755 pkgs/development/tools/analysis/radare2/update.py

diff --git a/pkgs/development/tools/analysis/radare2/default.nix b/pkgs/development/tools/analysis/radare2/default.nix
index 5ddb03d318f9..bc5f41bf86ec 100644
--- a/pkgs/development/tools/analysis/radare2/default.nix
+++ b/pkgs/development/tools/analysis/radare2/default.nix
@@ -1,4 +1,6 @@
-{stdenv, fetchFromGitHub, pkgconfig, libusb, readline, libewf, perl, zlib, openssl
+{stdenv, fetchFromGitHub
+, ninja, meson , pkgconfig
+, libusb, readline, libewf, perl, zlib, openssl
 , gtk2 ? null, vte ? null, gtkdialog ? null
 , python ? null
 , ruby ? null
@@ -10,40 +12,57 @@ assert useX11 -> (gtk2 != null && vte != null && gtkdialog != null);
 assert rubyBindings -> ruby != null;
 assert pythonBindings -> python != null;
 
+
 let
   inherit (stdenv.lib) optional;
+  #<generated>
+  # DO NOT EDIT! Automatically generated by ./update.py
+  version_commit = "18177";
+  gittap = "2.6.0";
+  gittip = "83ef480221ec29d82c16003c61d0dc86b8851d38";
+  version = "2.6.0";
+  sha256 = "18jhb9w8c1m09383d2xm2qp0rc240psjygbbs222hzpx32hald5s";
+  cs_tip = "37569a6874c8547b349a80823adda9284499fe80";
+  cs_sha256 = "0v31367g4jn4baswl62y0rvvm2nf57y91n3731xqblvi6qxj8qkv";
+  #</generated>
 in
 stdenv.mkDerivation rec {
-  version = "2.5.0";
   name = "radare2-${version}";
 
   src = fetchFromGitHub {
     owner = "radare";
     repo = "radare2";
     rev = version;
-    sha256 = "07x94chkhpn3wgw4pypn35psxq370j6xwmhf1mh5z27cqkq7c2yd";
+    inherit sha256;
   };
 
-  # do not try to update capstone
-  WITHOUT_PULL=1;
-
   postPatch = let
-    cs_tip = "4a1b580d069c82d60070d0869a87000db7cdabe2"; # version from $sourceRoot/shlr/Makefile
     capstone = fetchFromGitHub {
       owner = "aquynh";
       repo = "capstone";
+      # version from $sourceRoot/shlr/Makefile
       rev = cs_tip;
-      sha256 = "0v6rxfpxjq0hf40qn1n5m5wsv1dv6p1j8vm94a708lhvcbk9nkv8";
+      sha256 = cs_sha256;
     };
   in ''
     if ! grep -F "CS_TIP=${cs_tip}" shlr/Makefile; then echo "CS_TIP mismatch"; exit 1; fi
-    cp -r ${capstone} shlr/capstone
-    chmod -R u+rw shlr/capstone
+    ln -s ${capstone} shlr/capstone
   '';
 
+  postInstall = ''
+    ln -s $out/bin/radare2 $out/bin/r2
+    install -D -m755 $src/binr/r2pm/r2pm $out/bin/r2pm
+  '';
+
+  mesonFlags = [
+    "-Dr2_version_commit=${version_commit}"
+    "-Dr2_gittap=${gittap}"
+    "-Dr2_gittip=${gittip}"
+  ];
+
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkgconfig ninja meson ];
   buildInputs = [ readline libusb libewf perl zlib openssl]
     ++ optional useX11 [gtkdialog vte gtk2]
     ++ optional rubyBindings [ruby]
diff --git a/pkgs/development/tools/analysis/radare2/update.py b/pkgs/development/tools/analysis/radare2/update.py
new file mode 100755
index 000000000000..1f16a00905c1
--- /dev/null
+++ b/pkgs/development/tools/analysis/radare2/update.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -p nix -p python3 -p git -i python
+# USAGE - just run the script: ./update.py
+# When editing this file, make also sure it passes the mypy typecheck
+# and is formatted with yapf.
+import urllib.request
+import json
+import tempfile
+import subprocess
+import fileinput
+import re
+from pathlib import Path
+
+
+def sh(*args: str) -> str:
+    out = subprocess.check_output(list(args))
+    return out.strip().decode("utf-8")
+
+
+def prefetch_github(owner: str, repo: str, ref: str) -> str:
+    return sh("nix-prefetch-url", "--unpack",
+              f"https://github.com/{owner}/{repo}/archive/{ref}.tar.gz")
+
+
+def main() -> None:
+    url = "https://api.github.com/repos/radare/radare2/releases/latest"
+    with urllib.request.urlopen(url) as response:
+        release = json.load(response)  # type: ignore
+    version = release["tag_name"]
+    with tempfile.TemporaryDirectory() as dirname:
+
+        def git(*args: str) -> str:
+            return sh("git", "-C", dirname, *args)
+
+        git("clone", "--branch", version, "https://github.com/radare/radare2",
+            ".")
+        sha256 = prefetch_github("radare", "radare2", version)
+        nix_file = str(Path(__file__).parent.joinpath("default.nix"))
+
+        cs_tip = None
+        with open(Path(dirname).joinpath("shlr", "Makefile")) as makefile:
+            for l in makefile:
+                match = re.match("CS_TIP=(\S+)", l)
+                if match:
+                    cs_tip = match.group(1)
+        assert cs_tip is not None
+
+        cs_sha256 = prefetch_github("aquynh", "capstone", cs_tip)
+
+        in_block = False
+        with fileinput.FileInput(nix_file, inplace=True) as f:
+            for l in f:
+                if "#<generated>" in l:
+                    in_block = True
+                    print(f"""  #<generated>
+  # DO NOT EDIT! Automatically generated by ./update.py
+  version_commit = "{git("rev-list", "--all", "--count")}";
+  gittap = "{git("describe", "--tags", "--match", "[0-9]*")}";
+  gittip = "{git("rev-parse", "HEAD")}";
+  version = "{version}";
+  sha256 = "{sha256}";
+  cs_tip = "{cs_tip}";
+  cs_sha256 = "{cs_sha256}";
+  #</generated>""")
+                elif "#</generated>" in l:
+                    in_block = False
+                elif not in_block:
+                    print(l, end="")
+
+
+if __name__ == "__main__":
+    main()