feat: support multiple versions of the pgrouting extension

ansible/vars.yml

@@ -10,9 +10,9 @@ postgres_major:
 
 # Full version strings for each major version
 postgres_release:
-  postgresorioledb-17: "17.5.1.035-orioledb"
-  postgres17: "17.6.1.014"
-  postgres15: "15.14.1.014"
+  postgresorioledb-17: 17.5.1.036-orioledb
+  postgres17: 17.6.1.015
+  postgres15: 15.14.1.015
 
 # Non Postgres Extensions
 pgbouncer_release: 1.19.0

nix/ext/pgrouting.nix

@@ -6,69 +6,139 @@
   perl,
   cmake,
   boost,
+  buildEnv,
 }:
-
-stdenv.mkDerivation rec {
+let
   pname = "pgrouting";
-  version = "3.4.1";
 
-  nativeBuildInputs = [
-    cmake
-    perl
-  ];
-  buildInputs = [
-    postgresql
-    boost
-  ];
+  # Load version configuration from external file
+  allVersions = (builtins.fromJSON (builtins.readFile ./versions.json)).${pname};
 
-  src = fetchFromGitHub {
-    owner = "pgRouting";
-    repo = pname;
-    rev = "v${version}";
-    hash = "sha256-QC77AnPGpPQGEWi6JtJdiNsB2su5+aV2pKg5ImR2B0k=";
-  };
+  # Filter versions compatible with current PostgreSQL version
+  supportedVersions = lib.filterAttrs (
+    _: value: builtins.elem (lib.versions.major postgresql.version) value.postgresql
+  ) allVersions;
 
-  #disable compile time warnings for incompatible pointer types only on macos and pg16
-  NIX_CFLAGS_COMPILE = lib.optionalString (
-    stdenv.isDarwin && lib.versionAtLeast postgresql.version "16"
-  ) "-Wno-error=int-conversion -Wno-error=incompatible-pointer-types";
-
-  cmakeFlags =
-    [ "-DPOSTGRESQL_VERSION=${postgresql.version}" ]
-    ++ lib.optionals (stdenv.isDarwin && lib.versionAtLeast postgresql.version "16") [
-      "-DCMAKE_MACOSX_RPATH=ON"
-      "-DCMAKE_SHARED_MODULE_SUFFIX=.dylib"
-      "-DCMAKE_SHARED_LIBRARY_SUFFIX=.dylib"
-    ];
-
-  preConfigure = lib.optionalString (stdenv.isDarwin && lib.versionAtLeast postgresql.version "16") ''
-    export DLSUFFIX=.dylib
-    export CMAKE_SHARED_LIBRARY_SUFFIX=.dylib
-    export CMAKE_SHARED_MODULE_SUFFIX=.dylib
-    export MACOSX_RPATH=ON
-  '';
+  # Derived version information
+  versions = lib.naturalSort (lib.attrNames supportedVersions);
+  latestVersion = lib.last versions;
+  numberOfVersions = builtins.length versions;
+  packages = builtins.attrValues (
+    lib.mapAttrs (name: value: build name value.hash) supportedVersions
+  );
 
-  postBuild = lib.optionalString (stdenv.isDarwin && lib.versionAtLeast postgresql.version "16") ''
-    shopt -s nullglob
-    for file in lib/libpgrouting-*.so; do
-      if [ -f "$file" ]; then
-        mv "$file" "''${file%.so}.dylib"
-      fi
-    done
-    shopt -u nullglob
-  '';
+  # Build function for individual versions
+  build =
+    version: hash:
+    stdenv.mkDerivation rec {
+      inherit pname version;
+
+      nativeBuildInputs = [
+        cmake
+        perl
+      ];
+      buildInputs = [
+        postgresql
+        boost
+      ];
+
+      src = fetchFromGitHub {
+        owner = "pgRouting";
+        repo = pname;
+        rev = "v${version}";
+        inherit hash;
+      };
+
+      #disable compile time warnings for incompatible pointer types only on macos and pg16
+      NIX_CFLAGS_COMPILE = lib.optionalString (
+        stdenv.isDarwin && lib.versionAtLeast postgresql.version "16"
+      ) "-Wno-error=int-conversion -Wno-error=incompatible-pointer-types";
+
+      cmakeFlags =
+        [ "-DPOSTGRESQL_VERSION=${postgresql.version}" ]
+        ++ lib.optionals (stdenv.isDarwin && lib.versionAtLeast postgresql.version "16") [
+          "-DCMAKE_MACOSX_RPATH=ON"
+          "-DCMAKE_SHARED_MODULE_SUFFIX=.dylib"
+          "-DCMAKE_SHARED_LIBRARY_SUFFIX=.dylib"
+        ];
+
+      preConfigure = lib.optionalString (stdenv.isDarwin && lib.versionAtLeast postgresql.version "16") ''
+        export DLSUFFIX=.dylib
+        export CMAKE_SHARED_LIBRARY_SUFFIX=.dylib
+        export CMAKE_SHARED_MODULE_SUFFIX=.dylib
+        export MACOSX_RPATH=ON
+      '';
+
+      postBuild = lib.optionalString (stdenv.isDarwin && lib.versionAtLeast postgresql.version "16") ''
+        shopt -s nullglob
+        for file in lib/libpgrouting-*.so; do
+          if [ -f "$file" ]; then
+            mv "$file" "''${file%.so}.dylib"
+          fi
+        done
+        shopt -u nullglob
+      '';
+
+      installPhase = ''
+        MAJ_MIN_VERSION=${lib.concatStringsSep "." (lib.take 2 (builtins.splitVersion version))}
+
+        mkdir -p $out/{lib,share/postgresql/extension}
+
+        # Install shared library with version suffix
+        install -D lib/libpgrouting-$MAJ_MIN_VERSION${postgresql.dlSuffix} -t $out/lib
+
+        # Create version-specific control file
+        sed -e "/^default_version =/d" \
+            -e "s|^module_pathname = .*|module_pathname = '\$libdir/lib${pname}-$MAJ_MIN_VERSION'|" \
+          sql/common/${pname}.control > $out/share/postgresql/extension/${pname}--${version}.control
+
+        # Copy SQL upgrade scripts
+        cp sql/${pname}--*.sql $out/share/postgresql/extension
+
+        if [[ "${version}" == "${latestVersion}" ]]; then
+          {
+            echo "default_version = '${version}'"
+            cat $out/share/postgresql/extension/${pname}--${version}.control
+          } > $out/share/postgresql/extension/${pname}.control
+          ln -sfn $out/lib/lib${pname}-$MAJ_MIN_VERSION${postgresql.dlSuffix} $out/lib/lib${pname}${postgresql.dlSuffix}
+        fi
+      '';
+
+      meta = with lib; {
+        description = "A PostgreSQL/PostGIS extension that provides geospatial routing functionality";
+        homepage = "https://pgrouting.org/";
+        changelog = "https://github.com/pgRouting/pgrouting/releases/tag/v${version}";
+        license = licenses.gpl2Plus;
+        inherit (postgresql.meta) platforms;
+      };
+    };
+in
+buildEnv {
+  name = pname;
+  paths = packages;
+
+  pathsToLink = [
+    "/lib"
+    "/share/postgresql/extension"
+  ];
+
+  postBuild = ''
+    #Verify all expected library files are present
+    expectedFiles=${toString (numberOfVersions + 1)}
+    actualFiles=$(ls -l $out/lib/lib${pname}*${postgresql.dlSuffix} | wc -l)
 
-  installPhase = ''
-    install -D lib/*${postgresql.dlSuffix}                       -t $out/lib
-    install -D sql/pgrouting--*.sql   -t $out/share/postgresql/extension
-    install -D sql/common/pgrouting.control    -t $out/share/postgresql/extension
+    if [[ "$actualFiles" != "$expectedFiles" ]]; then
+      echo "Error: Expected $expectedFiles library files, found $actualFiles"
+      echo "Files found:"
+      ls -la $out/lib/*${postgresql.dlSuffix} || true
+      exit 1
+    fi
   '';
 
-  meta = with lib; {
-    description = "A PostgreSQL/PostGIS extension that provides geospatial routing functionality";
-    homepage = "https://pgrouting.org/";
-    changelog = "https://github.com/pgRouting/pgrouting/releases/tag/v${version}";
-    platforms = postgresql.meta.platforms;
-    license = licenses.gpl2Plus;
+  passthru = {
+    inherit versions numberOfVersions;
+    pname = "${pname}-all";
+    version =
+      "multi-" + lib.concatStringsSep "-" (map (v: lib.replaceStrings [ "." ] [ "-" ] v) versions);
   };
 }