Merge pull request #16 from serokell/balsoft/static-building

[INT-111] Allow to build crossref-verify statically

.buildkite/pipeline.yml

@@ -4,8 +4,16 @@
 
 steps:
   - command: nix-build crossref-verifier.nix
-    label: build everything
+    label: Library and tests
+  - command: nix-build
+    label: Executable
+    artifact_paths:
+      - "result/bin/crossref-verify"
   - command: nix run -f. -c crossref-verify
-    label: crossref-verify itself (import as if done externally)
+    label: Crossref-verify itself
   - command: nix run -f $(nix eval -f nix/sources.nix --raw nixpkgs) reuse -c reuse lint
-    label: reuse lint
+    label: REUSE lint
+  - command:
+      - GITHUB_TOKEN=$(cat ~/niv-bot-token) NIX_PATH=nixpkgs=$(nix eval --raw '(import ./nix/sources.nix).nixpkgs') nix-shell -p curl git gitAndTools.hub --run "curl https://raw.githubusercontent.com/serokell/scratch/release-binary/scripts/release-binary.sh | bash"
+    label: Create a pre-release
+    branches: master

crossref-verifier.nix

@@ -2,10 +2,14 @@
 #
 # SPDX-License-Identifier: MPL-2.0
 
+{ static ? true }:
 let
   sources = import ./nix/sources.nix;
   nixpkgs = import sources.nixpkgs (import sources."haskell.nix");
-  hn = nixpkgs.haskell-nix;
+  hn = if static then
+    nixpkgs.pkgsCross.musl64.haskell-nix
+  else
+    nixpkgs.haskell-nix;
   project = hn.stackProject {
     src = hn.haskellLib.cleanGit { src = ./.; };
     modules = [{
@@ -14,6 +18,21 @@ let
         postHaddock = ''
           [[ -z "$(ls -A dist/doc/html)" ]] && exit 1 || echo "haddock successfully generated documentation"'';
         package.ghcOptions = "-Werror";
+        components.exes.crossref-verify.configureFlags =
+          with nixpkgs.pkgsStatic;
+          lib.optionals static [
+            "--disable-executable-dynamic"
+            "--disable-shared"
+            "--ghc-option=-optl=-pthread"
+            "--ghc-option=-optl=-static"
+            "--ghc-option=-optl=-lc"
+            "--ghc-option=-optl=-lz"
+            "--ghc-option=-optl=-lgmp"
+            "--ghc-option=-optl=-lffi"
+            "--ghc-option=-optl=-L${gmp6}/lib"
+            "--ghc-option=-optl=-L${zlib.static}/lib"
+            "--ghc-option=-optl=-L${libffi}/lib"
+          ];
       };
     }];
     cache = with sources; [{

default.nix

@@ -2,4 +2,4 @@
 #
 # SPDX-License-Identifier: MPL-2.0
 
-(import ./crossref-verifier.nix).components.exes.crossref-verify
+(import ./crossref-verifier.nix {}).components.exes.crossref-verify

release/default.nix

@@ -0,0 +1,20 @@
+# SPDX-FileCopyrightText: 2019 Serokell <https://serokell.io>
+#
+# SPDX-License-Identifier: MPL-2.0
+
+{ pkgs ? import (import ../nix/sources.nix).nixpkgs { } }:
+let
+  executable = (import ../crossref-verifier.nix {
+    static = true;
+  }).components.exes.crossref-verify;
+  joinByBasename = name: paths:
+    pkgs.runCommandNoCC name { } (''
+      mkdir $out
+    '' + pkgs.lib.concatMapStrings (path: ''
+      ln -s ${path} $out/${builtins.baseNameOf path}
+    '') paths);
+in joinByBasename "crossref-verifier-release" [
+  "${executable}/bin"
+  ../LICENSES
+  ../README.md
+]