Add nix recipes

recipes-core/libeditline/libeditline_1.17.1.bb

@@ -0,0 +1,8 @@
+SUMMARY = "A small replacement for GNU readline() for UNIX"
+LICENSE = "CLOSED"
+
+SRC_URI = "git://github.com/troglobit/editline.git;branch=master;protocol=https"
+SRCREV = "ecabef273ebf4193c5d6aff196de1c204169bc52"
+S = "${WORKDIR}/git"
+
+inherit autotools pkgconfig

recipes-core/nix/nix/configure.ac.patch

@@ -0,0 +1,29 @@
+diff --git a/configure.ac b/configure.ac
+index 281ba2c32..c58e0f2fd 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -347,8 +347,23 @@ AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation
+   doc_generate=$enableval, doc_generate=yes)
+ AC_SUBST(doc_generate)
+
++
+ # Look for lowdown library.
+-PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"])
++AC_ARG_ENABLE([markdown], AS_HELP_STRING([--enable-markdown], [Enable Markdown rendering in the Nix binary (requires lowdown) [default=auto]]),
++  enable_markdown=$enableval, enable_markdown=auto)
++AS_CASE(["$enable_markdown"],
++  [yes | auto], [
++    PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [
++      CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"
++      have_lowdown=1
++      AC_DEFINE(HAVE_LOWDOWN, 1, [Whether lowdown is available and should be used for Markdown rendering.])
++    ], [
++      AS_IF([test "x$enable_markdown" == "xyes"], [AC_MSG_ERROR([--enable-markdown was specified, but lowdown was not found.])])
++    ])
++  ],
++  [no], [have_lowdown=],
++  [AC_MSG_ERROR([bad value "$enable_markdown" for --enable-markdown, must be one of: yes, no, auto])])
++
+
+ # Setuid installations.
+ AC_CHECK_FUNCS([setresuid setreuid lchown])

recipes-core/nix/nix/markdown.cc.patch

@@ -0,0 +1,32 @@
+diff --git a/src/libcmd/markdown.cc b/src/libcmd/markdown.cc
+index 8b3bbc1b5..e0d5ba0fc 100644
+--- a/src/libcmd/markdown.cc
++++ b/src/libcmd/markdown.cc
+@@ -4,14 +4,15 @@
+ #include "terminal.hh"
+
+ #include <sys/queue.h>
++#if HAVE_LOWDOWN
+ #include <lowdown.h>
+-
++#endif
+ namespace nix {
+
+ std::string renderMarkdownToTerminal(std::string_view markdown)
+ {
+     int windowWidth = getWindowSize().second;
+-
++#if HAVE_LOWDOWN
+     struct lowdown_opts opts {
+         .type = LOWDOWN_TERM,
+         .maxdepth = 20,
+@@ -48,6 +49,9 @@ std::string renderMarkdownToTerminal(std::string_view markdown)
+         throw Error("allocation error while rendering Markdown");
+
+     return filterANSIEscapes(std::string(buf->data, buf->size), !shouldANSI());
++#else
++    return std::string(markdown);
++#endif
+ }
+
+ }

recipes-core/nix/nix_2.19.2.bb

@@ -0,0 +1,48 @@
+SUMMARY = "Nix package manager"
+LICENSE = "LGPL-2.1"
+LIC_FILES_CHKSUM = "file://${WORKDIR}/git/COPYING;md5=fbc093901857fcd118f065f900982c24"
+
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+
+SRC_URI += "git://github.com/NixOS/nix.git;branch=latest-release;protocol=https \
+                file://configure.ac.patch \
+                file://markdown.cc.patch \
+        "
+
+SRCREV = "50f8f1c8bc019a4c0fd098b9ac674b94cfc6af0d"
+S = "${WORKDIR}/git"
+
+inherit autotools-brokensep pkgconfig systemd
+
+DEPENDS += " \
+        bison-native \
+        clang-native \
+        autoconf-archive \
+        jq-native \
+        boost \
+        openssl \
+        libarchive \
+        curl \
+        libsodium \
+        brotli \
+        libeditline \
+        libseccomp \
+        bdwgc \
+        nlohmann-json \
+        libgit2 \
+        "
+
+FILES:${PN} += "${libdir}/tmpfiles.d/* "
+
+do_install:append(){
+  # Remove unneeded things that we don't want on the nao
+  rm -r "${D}/usr/share/"
+
+  mv "${D}/usr/lib/systemd/system/nix-daemon.{socket,service}" "${D}${systemd_unitdir}/system/"
+}
+
+
+SYSTEMD_SERVICE:${PN} = "nix-daemon.service nix-daemon.socket"
+
+EXTRA_OECONF += "--disable-cpuid --disable-tests --disable-doc-gen"
+PARALLEL_MAKE = "-j 16"