45 lines
1.1 KiB
Nix
45 lines
1.1 KiB
Nix
{ pkgs, ... }:
|
|
|
|
with import ../4lib { inherit (pkgs) lib; };
|
|
|
|
let
|
|
subdirs = mapAttrs (_: flip pkgs.callPackage {}) (subdirsOf ./.);
|
|
pkgs' = pkgs // subdirs;
|
|
in
|
|
|
|
subdirs // rec {
|
|
|
|
push = pkgs'.callPackage ./push {
|
|
inherit (subdirs) get jq;
|
|
};
|
|
|
|
execve = name: { filename, argv, envp ? {}, destination ? "" }:
|
|
writeC name { inherit destination; } ''
|
|
#include <unistd.h>
|
|
int main () {
|
|
const char *filename = ${toC filename};
|
|
char *const argv[] = ${toC (argv ++ [null])};
|
|
char *const envp[] = ${toC (
|
|
mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
|
|
)};
|
|
execve(filename, argv, envp);
|
|
return -1;
|
|
}
|
|
'';
|
|
|
|
execveBin = name: cfg: execve name (cfg // { destination = "/bin/${name}"; });
|
|
|
|
writeC = name: { destination ? "" }: src: pkgs.runCommand name {} ''
|
|
PATH=${lib.makeSearchPath "bin" (with pkgs; [
|
|
binutils
|
|
coreutils
|
|
gcc
|
|
])}
|
|
src=${pkgs.writeText "${name}.c" src}
|
|
exe=$out${destination}
|
|
mkdir -p "$(dirname "$exe")"
|
|
gcc -O -Wall -o "$exe" $src
|
|
strip --strip-unneeded "$exe"
|
|
'';
|
|
}
|