Gabriella439
commented
6 years ago Alright, so I took an initial stab at creating an RPM for dhall-haskell using Nix. Apparently Nixpkgs has infrastructure for doing this correctly and the only issue I ran into is that at least one dependency (insert-ordered-containers) has not yet been packaged for Fedora yet.
The low-level utility that Nixpkgs uses for building RPMs is located here:
Here's an example of how to use it (in this case it's being used to create an RPM for Nix):
https://github.com/NixOS/nix/blob/1b34b69b45106e5bfdbdc0201d3ff4dcd36632f0/release.nix#L330-L342
The default Fedora releases supported by Nixpkgs are located here:
In this case it's just Fedora 26 and Fedora 27 (without updates). However, it's very easy to support newer releases of Fedora (like Fedora 28) and also releases plus backported updates.
For example, here is the latest draft of what I tested:
let
pkgs = import <nixpkgs> { };
fedora-28-updates-x86_64 =
let version = "28";
in rec {
name = "fedora-${version}-updates-x86_64";
fullName = "Fedora ${version} (x86_64)";
packagesLists =
[ (pkgs.fetchurl rec {
url = "mirror://fedora/linux/releases/${version}/Everything/x86_64/os/repodata/${sha256}-primary.xml.gz";
sha256 = "9659dfc44de50563682658fd41f2ab0da60e5657e1cc4f598b50d39fb3436e0c";
})
(pkgs.fetchurl rec {
url = "mirror://fedora/linux/updates/${version}/Everything/x86_64/repodata/${sha256}-primary.xml.gz";
sha256 = "ba89db3f59c6710fa1fd9a087940ed390b3fbcaa36cf577ab6c0c450f43b8a78";
})
];
urlPrefixes =
[ "mirror://fedora/linux/releases/${version}/Everything/x86_64/os"
"mirror://fedora/linux/updates/${version}/Everything/x86_64/"
];
archs = ["noarch" "x86_64"];
packages = pkgs.vmTools.commonFedoraPackages ++ [ "cronie" "util-linux" ];
unifiedSystemDir = true;
};
in
pkgs.releaseTools.rpmBuild {
name = "dhall-rpm";
src = ./dhall-1.15.1.tar.gz;
diskImage = pkgs.vmTools.makeImageFromRPMDist (fedora-28-updates-x86_64 // {
extraPackages = [
"chrpath"
"ghc-Cabal-devel"
"ghc-Diff-devel"
"ghc-ansi-terminal-devel"
"ghc-bytestring-devel"
"ghc-case-insensitive-devel"
"ghc-containers-devel"
"ghc-contravariant-devel"
"ghc-cryptonite-devel"
"ghc-directory-devel"
"ghc-exceptions-devel"
"ghc-filepath-devel"
"ghc-haskeline-devel"
"ghc-http-client-devel"
"ghc-http-client-tls-devel"
"ghc-insert-ordered-containers-devel"
"ghc-lens-family-core-devel"
"ghc-megaparsec-devel"
"ghc-memory-devel"
"ghc-mtl-devel"
"ghc-optparse-applicative-devel"
"ghc-parsers-devel"
"ghc-prettyprinter-ansi-terminal-devel"
"ghc-prettyprinter-devel"
"ghc-repline-devel"
"ghc-rpm-macros"
"ghc-scientific-devel"
"ghc-template-haskell-devel"
"ghc-text-devel"
"ghc-transformers-devel"
"ghc-unordered-containers-devel"
"ghc-vector-devel"
];
});
}The tarball I created by first running cabal-rpm spec . inside the dhall-haskell project to generate a ghc-dhall.spec file and then manually compressing the project. This can definitely be automated using Nix and I just haven't gotten around to it. The generated spec file looks like this:
# generated by cabal-rpm-0.12.4
# https://fedoraproject.org/wiki/Packaging:Haskell
%global pkg_name dhall
%global pkgver %{pkg_name}-%{version}
%bcond_with tests
Name: ghc-%{pkg_name}
Version: 1.15.1
Release: 1%{?dist}
Summary: A configuration language guaranteed to terminate
License: BSD
Url: https://hackage.haskell.org/package/%{pkg_name}
Source0: https://hackage.haskell.org/package/%{pkgver}/%{pkgver}.tar.gz
BuildRequires: ghc-Cabal-devel
BuildRequires: ghc-rpm-macros
# Begin cabal-rpm deps:
BuildRequires: chrpath
BuildRequires: ghc-Diff-devel
BuildRequires: ghc-ansi-terminal-devel
BuildRequires: ghc-bytestring-devel
BuildRequires: ghc-case-insensitive-devel
BuildRequires: ghc-containers-devel
BuildRequires: ghc-contravariant-devel
BuildRequires: ghc-cryptonite-devel
BuildRequires: ghc-directory-devel
BuildRequires: ghc-exceptions-devel
BuildRequires: ghc-filepath-devel
BuildRequires: ghc-haskeline-devel
BuildRequires: ghc-http-client-devel
BuildRequires: ghc-http-client-tls-devel
BuildRequires: ghc-insert-ordered-containers-devel
BuildRequires: ghc-lens-family-core-devel
BuildRequires: ghc-megaparsec-devel
BuildRequires: ghc-memory-devel
BuildRequires: ghc-mtl-devel
BuildRequires: ghc-optparse-applicative-devel
BuildRequires: ghc-parsers-devel
BuildRequires: ghc-prettyprinter-ansi-terminal-devel
BuildRequires: ghc-prettyprinter-devel
BuildRequires: ghc-repline-devel
BuildRequires: ghc-scientific-devel
BuildRequires: ghc-template-haskell-devel
BuildRequires: ghc-text-devel
BuildRequires: ghc-transformers-devel
BuildRequires: ghc-unordered-containers-devel
BuildRequires: ghc-vector-devel
%if %{with tests}
BuildRequires: ghc-deepseq-devel
BuildRequires: ghc-doctest-devel
BuildRequires: ghc-mockery-devel
BuildRequires: ghc-tasty-devel
BuildRequires: ghc-tasty-hunit-devel
%endif
# End cabal-rpm deps
%description
Dhall is an explicitly typed configuration language that is not Turing
complete. Despite being Turing incomplete, Dhall is a real programming language
with a type-checker and evaluator.
Use this library to parse, type-check, evaluate, and pretty-print the Dhall
configuration language. This package also includes an executable which
type-checks a Dhall file and reduces the file to a fully evaluated normal form.
Read "Dhall.Tutorial" to learn how to use this library.
%package devel
Summary: Haskell %{pkg_name} library development files
Provides: %{name}-static = %{version}-%{release}
Provides: %{name}-doc = %{version}-%{release}
%if %{defined ghc_version}
Requires: ghc-compiler = %{ghc_version}
Requires(post): ghc-compiler = %{ghc_version}
Requires(postun): ghc-compiler = %{ghc_version}
%endif
Requires: %{name}%{?_isa} = %{version}-%{release}
%description devel
This package provides the Haskell %{pkg_name} library development files.
%prep
%setup -q -n %{pkgver}
%build
%ghc_lib_build
%install
%ghc_lib_install
%ghc_fix_rpath %{pkgver}
%check
%cabal_test
%post devel
%ghc_pkg_recache
%postun devel
%ghc_pkg_recache
%files -f %{name}.files
%license LICENSE
%files devel -f %{name}-devel.files
%doc CHANGELOG.md README.md doctest examples
%{_bindir}/%{pkg_name}
%changelog
* Sun Jul 15 2018 Fedora Haskell SIG <haskell@lists.fedoraproject.org> - 1.15.1-1
- spec file generated by cabal-rpm-0.12.4The way you get the hash for a given release or update is just to visit the relevant URL and find the name of the file ending with primary.xml, such as in these two directories for the Fedora 28 release and updates, respectively:
- https://dl.fedoraproject.org/pub/fedora/linux/releases/28/Everything/x86_64/os/repodata/
- https://dl.fedoraproject.org/pub/fedora/linux/updates/28/Everything/x86_64/repodata/
The way I got the set of extraPackages was that I just built without them and then the failed build told me which dependencies were missing. This could probably be automatically computed from the Haskell derivation with a little bit of automation, but it's not too hard to manually maintain in the short term.
When I built the above derivation I got the following error:
$ nix build dhall-rpm.nix
builder for '/nix/store/0jwf0hfp5frjwhpbgwa7z2pnak4j4j1n-fedora-28-updates-x86_64.nix.drv' failed with exit code 255; last 10 log lines:
>>> ghc-hourglass-devel
>>> ghc-x509-devel
>>> ghc-asn1-parse-devel
>>> ghc-pem-devel
>>> ghc-x509-store-devel
>>> ghc-x509-validation-devel
>>> ghc-x509-system-devel
>>> ghc-http-client-tls
>>> ghc-insert-ordered-containers-devel
package ghc-insert-ordered-containers-devel doesn't exist at /nix/store/wv6n8g4v01iz9lpzx81qnvfkwkwx148n-rpm-closure.pl line 135.
[0 built (1 failed), 0.0 MiB DL]... and I confirmed that insert-ordered-containers has not yet been packaged for Fedora:
... so the next step is I'm going to ask the Fedora Haskell SIG if I need to do that myself or if they can do that for me.
In parallel, I'm also going to try to repeat the same process for Debian since Nix has similar support for building Debian packages, too.
nh2
Profpatsch
f-f
joneshf
ocharles
indolering
l1x
TristanCacqueray
Several people have requested an easier way of installing Dhall-related packages on Linux distributions, so any help packaging them for various Linux distributions is welcome