diff options
| -rw-r--r-- | pkgs/default.nix | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/pkgs/default.nix b/pkgs/default.nix index b7b0dde..c374124 100644 --- a/pkgs/default.nix +++ b/pkgs/default.nix @@ -1,7 +1,7 @@ with import ../lib; pkgs: oldpkgs: { - execve = name: { filename, argv ? null, envp ? {}, destination ? "" }: + exec = name: { filename, argv ? null, envp ? null, destination ? "" }: pkgs.writeC name { inherit destination; } /* c */ '' #include <unistd.h> @@ -16,18 +16,24 @@ pkgs: oldpkgs: { static char *const argv[] = ${toC (argv ++ [null])}; ''} - static char *const envp[] = ${toC ( - mapAttrsToList (k: v: "${k}=${v}") envp ++ [null] - )}; + ${optionalString (envp != null) /* c */ '' + static char *const envp[] = ${toC ( + mapAttrsToList (k: v: "${k}=${v}") envp ++ [null] + )}; + ''} int main (MAIN_ARGS) { - execve(filename, argv, envp); + ${if envp == null then /* c */ '' + execv(filename, argv); + '' else /* c */ '' + execve(filename, argv, envp); + ''} return -1; } ''; - execveBin = name: cfg: - pkgs.execve name (cfg // { destination = "/bin/${name}"; }); + execBin = name: cfg: + pkgs.exec name (cfg // { destination = "/bin/${name}"; }); makeScriptWriter = { interpreter, check ? null }: name: text: assert (with types; either absolute-pathname filename).check name; |