From 3524da2f0ab911c9c65ac6fb34e87b9698a4e5fb Mon Sep 17 00:00:00 2001
From: Austin Seipp <aseipp@pobox.com>
Date: Fri, 5 Aug 2022 17:03:05 -0500
Subject: [PATCH] kerf_1: init at unstable-2022-08-05

Signed-off-by: Austin Seipp <aseipp@pobox.com>
---
 .../development/interpreters/kerf/default.nix | 92 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  8 ++
 2 files changed, 100 insertions(+)
 create mode 100644 pkgs/development/interpreters/kerf/default.nix

diff --git a/pkgs/development/interpreters/kerf/default.nix b/pkgs/development/interpreters/kerf/default.nix
new file mode 100644
index 000000000000..5b605c6564b3
--- /dev/null
+++ b/pkgs/development/interpreters/kerf/default.nix
@@ -0,0 +1,92 @@
+{ lib, stdenv, fetchFromGitHub
+, libedit, zlib, ncurses, expect
+
+# darwin only below
+, Accelerate, CoreGraphics, CoreVideo
+}:
+
+stdenv.mkDerivation rec {
+  pname = "kerf";
+  version = "unstable-2022-08-05";
+
+  src = fetchFromGitHub {
+    owner = "kevinlawler";
+    repo  = "kerf1";
+    rev   = "4ec5b592b310b96d33654d20d6a511e6fffc0f9d";
+    hash  = "sha256-0sU2zOk5I69lQyrn1g0qsae7S/IBT6eA/911qp0GNkk=";
+  };
+
+  sourceRoot = "source/src";
+  buildInputs = [ libedit zlib ncurses ]
+    ++ lib.optional stdenv.isDarwin ([
+      Accelerate
+    ] ++ lib.optional stdenv.isx86_64 /* && isDarwin */ [
+      CoreGraphics CoreVideo
+    ]);
+
+  checkInputs = [ expect ];
+  doCheck = true;
+
+  makeFlags = [ "kerf" "kerf_test" ];
+
+  # avoid a huge amount of warnings to make failures clearer
+  NIX_CFLAGS_COMPILE = map (x: "-Wno-${x}") [
+    "void-pointer-to-int-cast"
+    "format"
+    "implicit-function-declaration"
+    "gnu-variable-sized-type-not-at-end"
+    "unused-result"
+  ] ++ lib.optional stdenv.isDarwin [ "-fcommon" ];
+
+  patchPhase = ''
+    substituteInPlace ./Makefile \
+      --replace 'CPUS ?=' 'CPUS = $(NIX_BUILD_CORES) #' \
+      --replace 'termcap' 'ncurses'
+  '';
+
+  # the kerf executable uses ncurses to create a fancy terminal for input and
+  # reads terminal keystrokes directly, so it doesn't read from stdin as
+  # expected, hence why we use this fancy expect script to run the test exe and
+  # send 'quit' to the prompt after it finishes.
+  checkPhase = ''
+    expect <<EOD
+      set timeout 60
+      spawn ./kerf_test
+      expect {
+        "Passed" {}
+        "Failed" { exit 1 }
+        timeout { exit 1 }
+      }
+      expect {
+        "KeRF> " {send "quit\r"}
+        timeout { exit 1 }
+      }
+      expect {
+        "\[DEBUG\] OK: Done OK." {}
+        "\[DEBUG\] FAILED: Debug failure." { exit 1 }
+        timeout { exit 1 }
+      }
+      exit 0
+    EOD
+  '';
+
+  installPhase = "install -D kerf $out/bin/kerf";
+
+  meta = with lib; {
+    description = "Columnar tick database and time-series language";
+    longDescription = ''
+      Kerf is a columnar tick database and small programming
+      language that is a superset of JSON and SQL. It can be
+      used for local analytics, timeseries, logfile processing,
+      and more.
+    '';
+    license = with licenses; [ bsd2 ];
+    homepage = "https://github.com/kevinlawler/kerf1";
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ thoughtpolice ];
+
+    # aarch64-linux seems hopeless, with over 2,000 warnings
+    # generated?
+    broken = (stdenv.isLinux && stdenv.isAarch64);
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 21979f95ba29..2e6a1a37376a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2639,6 +2639,14 @@ with pkgs;
 
   goku = callPackage ../os-specific/darwin/goku { };
 
+  kerf   = kerf_1; /* kerf2 is WIP */
+  kerf_1 = callPackage ../development/interpreters/kerf {
+    stdenv = clangStdenv;
+    inherit (darwin.apple_sdk.frameworks)
+      Accelerate CoreGraphics CoreVideo
+    ;
+  };
+
   kwakd = callPackage ../servers/kwakd { };
 
   kwm = callPackage ../os-specific/darwin/kwm { };