From f825a02eb1dd103c53793578bea9a97563d8d1f3 Mon Sep 17 00:00:00 2001
From: Dmitry Bogatov <KAction@disroot.org>
Date: Fri, 11 Sep 2020 22:27:18 -0400
Subject: [PATCH] perfect-hash: init at 0.4.1

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
---
 .../tools/misc/perfect-hash/default.nix       | 35 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 37 insertions(+)
 create mode 100644 pkgs/development/tools/misc/perfect-hash/default.nix

diff --git a/pkgs/development/tools/misc/perfect-hash/default.nix b/pkgs/development/tools/misc/perfect-hash/default.nix
new file mode 100644
index 000000000000..4e405413e3ae
--- /dev/null
+++ b/pkgs/development/tools/misc/perfect-hash/default.nix
@@ -0,0 +1,35 @@
+{ stdenv, python3, fetchFromGitHub }:
+python3.pkgs.buildPythonApplication rec {
+  pname = "perfect-hash";
+  version = "0.4.1";
+
+  # Archive on pypi does not contain examples, which are very helpful to
+  # understand how to use this program, so we use git source.
+  src = fetchFromGitHub {
+    owner = "ilanschnell";
+    repo = "perfect-hash";
+    rev = version;
+    sha256 = "0gkc3n613hl0q4jknrh2nm1n96j97p36q9jjgarb9d8yii9q7792";
+  };
+
+  postInstall = ''
+    mkdir -p $out/share/doc/perfect-hash
+    cp README.md $out/share/doc/perfect-hash
+    cp -r examples $out/share/doc/perfect-hash
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Minimal perfect hash function generator";
+    longDescription = ''
+      Generate a minimal perfect hash function for a given set of keys.
+      A given code template is filled with parameters, such that the
+      output is code which implements the hash function. Templates can
+      easily be constructed for any programming language.
+    '';
+    license = licenses.bsd3;
+    maintainers = [ maintainers.kaction ];
+
+    homepage = "https://github.com/ilanschnell/perfect-hash";
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6ee2f1c8bbde..5bf2c4fbea17 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11403,6 +11403,8 @@ in
 
   pax-rs = callPackage ../development/tools/pax-rs { };
 
+  perfect-hash = callPackage ../development/tools/misc/perfect-hash { };
+
   peg = callPackage ../development/tools/parsing/peg { };
 
   pgcli = pkgs.python3Packages.pgcli;