132 lines
3.4 KiB
Perl
Executable File
132 lines
3.4 KiB
Perl
Executable File
#!/usr/bin/env perl
|
|
|
|
use strict;
|
|
use warnings qw<all>;
|
|
use Getopt::Std;
|
|
|
|
my $gencmd = "# Generated by: " . join(" ", $0, @ARGV) . "\n";
|
|
|
|
our $opt_v;
|
|
our $opt_p;
|
|
our $opt_r;
|
|
our $opt_t;
|
|
getopts "v:p:t:r:";
|
|
|
|
my $OPAM_RELEASE = $opt_v // "2.0.0";
|
|
my $OPAM_TAG = $opt_t // $OPAM_RELEASE;
|
|
my $OPAM_GITHUB_REPO = $opt_r // "ocaml/opam";
|
|
my $OPAM_RELEASE_URL = "https://github.com/$OPAM_GITHUB_REPO/archive/$OPAM_TAG.zip";
|
|
my $OPAM_RELEASE_SHA256 = `nix-prefetch-url \Q$OPAM_RELEASE_URL\E`;
|
|
chomp $OPAM_RELEASE_SHA256;
|
|
|
|
my $OPAM_BASE_URL = "https://raw.githubusercontent.com/$OPAM_GITHUB_REPO/$OPAM_TAG";
|
|
my $OPAM_OPAM = `curl -L --url \Q$OPAM_BASE_URL\E/opam-devel.opam`;
|
|
my($OCAML_MIN_VERSION) = $OPAM_OPAM =~ /^available: ocaml-version >= "(.*)"$/m
|
|
or die "could not parse ocaml version bound\n";
|
|
|
|
print <<"EOF";
|
|
{ stdenv, lib, fetchurl, makeWrapper, getconf,
|
|
ocaml, unzip, ncurses, curl, aspcud, bubblewrap
|
|
}:
|
|
|
|
assert lib.versionAtLeast ocaml.version "$OCAML_MIN_VERSION";
|
|
|
|
let
|
|
srcs = {
|
|
EOF
|
|
|
|
my %urls = ();
|
|
my %md5s = ();
|
|
|
|
open(SOURCES, "-|", "curl", "-L", "--url", "$OPAM_BASE_URL/src_ext/Makefile.sources");
|
|
while (<SOURCES>) {
|
|
if (/^URL_(?!PKG_)([-\w]+)\s*=\s*(\S+)$/) {
|
|
$urls{$1} = $2;
|
|
} elsif (/^MD5_(?!PKG_)([-\w]+)\s*=\s*(\S+)$/) {
|
|
$md5s{$1} = $2;
|
|
}
|
|
}
|
|
for my $src (sort keys %urls) {
|
|
my ($sha256,$store_path) = split /\n/, `nix-prefetch-url --print-path \Q$urls{$src}\E`;
|
|
system "echo \Q$md5s{$src}\E' *'\Q$store_path\E | md5sum -c 1>&2";
|
|
die "md5 check failed for $urls{$src}\n" if $?;
|
|
print <<"EOF";
|
|
$src = fetchurl {
|
|
url = "$urls{$src}";
|
|
sha256 = "$sha256";
|
|
};
|
|
EOF
|
|
}
|
|
|
|
print <<"EOF";
|
|
opam = fetchurl {
|
|
url = "$OPAM_RELEASE_URL";
|
|
sha256 = "$OPAM_RELEASE_SHA256";
|
|
};
|
|
};
|
|
in stdenv.mkDerivation rec {
|
|
name = "opam-\${version}";
|
|
version = "$OPAM_RELEASE";
|
|
|
|
buildInputs = [ unzip curl ncurses ocaml makeWrapper getconf ] ++ lib.optional stdenv.isLinux bubblewrap;
|
|
|
|
src = srcs.opam;
|
|
|
|
postUnpack = ''
|
|
EOF
|
|
for my $src (sort keys %urls) {
|
|
my($ext) = $urls{$src} =~ /(\.(?:t(?:ar\.|)|)(?:gz|bz2?))$/
|
|
or die "could not find extension for $urls{$src}\n";
|
|
print <<"EOF";
|
|
ln -sv \${srcs.$src} \$sourceRoot/src_ext/$src$ext
|
|
EOF
|
|
}
|
|
print <<'EOF';
|
|
'';
|
|
|
|
EOF
|
|
if (defined $opt_p) {
|
|
print " patches = [ ";
|
|
for my $patch (split /[, ]/, $opt_p) {
|
|
$patch =~ s/^(?=[^\/]*$)/.\//;
|
|
print "$patch ";
|
|
}
|
|
print "];\n\n";
|
|
}
|
|
print <<'EOF';
|
|
preConfigure = ''
|
|
substituteInPlace ./src_ext/Makefile --replace "%.stamp: %.download" "%.stamp:"
|
|
patchShebangs src/state/shellscripts
|
|
'';
|
|
|
|
postConfigure = "make lib-ext";
|
|
|
|
# Dirty, but apparently ocp-build requires a TERM
|
|
makeFlags = ["TERM=screen"];
|
|
|
|
outputs = [ "out" "installer" ];
|
|
setOutputFlags = false;
|
|
|
|
# change argv0 to "opam" as a workaround for
|
|
# https://github.com/ocaml/opam/issues/2142
|
|
postInstall = ''
|
|
mv $out/bin/opam $out/bin/.opam-wrapped
|
|
makeWrapper $out/bin/.opam-wrapped $out/bin/opam \
|
|
--argv0 "opam" \
|
|
--suffix PATH : ${aspcud}/bin:${unzip}/bin:${curl}/bin:${lib.optionalString stdenv.isLinux "${bubblewrap}/bin:"}${getconf}/bin \
|
|
--set OPAM_USER_PATH_RO /run/current-system/sw/bin:/nix/
|
|
$out/bin/opam-installer --prefix=$installer opam-installer.install
|
|
'';
|
|
|
|
doCheck = false;
|
|
|
|
meta = with stdenv.lib; {
|
|
description = "A package manager for OCaml";
|
|
homepage = http://opam.ocamlpro.com/;
|
|
maintainers = [ maintainers.henrytill ];
|
|
platforms = platforms.all;
|
|
};
|
|
}
|
|
EOF
|
|
print $gencmd;
|