nixpkgs/pkgs/tools/system/tree/default.nix

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{stdenv, fetchurl}:
let
version = "1.6.0";
# These settings are found in the Makefile, but there seems to be no
# way to select one ore the other setting other than editing the file
# manually, so we have to duplicate the know how here.
systemFlags =
if stdenv.isDarwin then ''
CFLAGS="-O2 -Wall -fomit-frame-pointer -no-cpp-precomp"
LDFLAGS=
OBJS+=strverscmp.o
'' else
"";
in
stdenv.mkDerivation {
name = "tree-${version}";
src = fetchurl {
url = "http://mama.indstate.edu/users/ice/tree/src/tree-${version}.tgz";
sha256 = "4dc470a74880338b01da41701d8db90d0fb178877e526d385931a007d68d7591";
};
configurePhase = ''
makeFlagsArray=(
prefix=$out
MANDIR=$out/share/man/man1
${systemFlags}
)
'';
meta = {
homepage = "http://mama.indstate.edu/users/ice/tree/";
description = "command to produce a depth indented directory listing";
license = "GPLv2";
longDescription = ''
Tree is a recursive directory listing command that produces a
depth indented listing of files, which is colorized ala dircolors if
the LS_COLORS environment variable is set and output is to tty.
'';
platforms = stdenv.lib.platforms.all;
maintainers = [stdenv.lib.maintainers.simons];
};
}