make fakeCondaSource reusable

artiq/conda-artiq.nix

@@ -1,66 +1,13 @@
 { pkgs }:
 
-with pkgs;
-
 let
-  artiqSrc = import ./pkgs/artiq-src.nix { inherit fetchgit; };
   version = import ./pkgs/artiq-version.nix;
-  fakeCondaSource = runCommand "fake-condasrc-artiq" { }
-    ''
-    mkdir -p $out/fake-conda;
-
-    # work around yet more idiotic conda behavior - build breaks if write permissions aren't set on source files.
-    cp --no-preserve=mode,ownership -R ${artiqSrc} workaround-conda
-    pushd workaround-conda
-    tar cf $out/src.tar .
-    popd
-    rm -rf workaround-conda
-
-    cat << EOF > $out/fake-conda/meta.yaml
-    package:
-      name: artiq
-      version: ${version}
-
-    source:
-      url: ../src.tar
-
-    {% set data = load_setup_py_data() %}
-
-    build:
-      noarch: python
-      entry_points:
-        # NOTE: conda-build cannot distinguish between console and gui scripts
-        {% for entry_point_type, entry_points in data.get("entry_points", dict()).items() -%}
-        {% for entry_point in entry_points -%}
-        - {{ entry_point }}
-        {% endfor %}
-        {% endfor %}
-      ignore_prefix_files: True
-
-    requirements:
-      run:
-    ${lib.concatStringsSep "\n" (map (s: "    - ${s}") (import ./conda-artiq-deps.nix))}
-
-    about:
-      home: https://m-labs.hk/artiq
-      license: LGPL
-      summary: 'A leading-edge control system for quantum information experiments'
-    EOF
-
-    cat << EOF > $out/fake-conda/build.sh
-    #!/bin/bash
-    set -e
-
-    export VERSIONEER_OVERRIDE=${version}
-    python setup.py install \
-      --prefix=\$PREFIX \
-      --single-version-externally-managed \
-      --record=record.txt \
-      --no-compile
-
-    EOF
-    chmod 755 $out/fake-conda/build.sh
-    '';
+  fakeCondaSource = import ./conda-fake-source.nix { inherit pkgs; } {
+    name = "artiq";
+    inherit version;
+    src = import ./pkgs/artiq-src.nix { fetchgit = pkgs.fetchgit; };
+    dependencies = import ./conda-artiq-deps.nix;
+  };
   conda-artiq = import ./conda-build.nix { inherit pkgs; } {
     name = "conda-artiq";
     src = fakeCondaSource;

artiq/conda-fake-source.nix

@@ -0,0 +1,53 @@
+{ pkgs }:
+{ name, version, src, dependencies }:
+pkgs.runCommand "conda-fake-source-${name}" { }
+    ''
+    mkdir -p $out/fake-conda;
+
+    # work around yet more idiotic conda behavior - build breaks if write permissions aren't set on source files.
+    cp --no-preserve=mode,ownership -R ${src} workaround-conda
+    pushd workaround-conda
+    tar cf $out/src.tar .
+    popd
+    rm -rf workaround-conda
+
+    cat << EOF > $out/fake-conda/meta.yaml
+    package:
+      name: ${name}
+      version: ${version}
+
+    source:
+      url: ../src.tar
+
+    {% set data = load_setup_py_data() %}
+
+    build:
+      noarch: python
+      entry_points:
+        # NOTE: conda-build cannot distinguish between console and gui scripts
+        {% for entry_point_type, entry_points in data.get("entry_points", dict()).items() -%}
+        {% for entry_point in entry_points -%}
+        - {{ entry_point }}
+        {% endfor %}
+        {% endfor %}
+      ignore_prefix_files: True
+
+    requirements:
+      run:
+    ${pkgs.lib.concatStringsSep "\n" (map (s: "    - ${s}") dependencies)}
+    EOF
+
+    cat << EOF > $out/fake-conda/build.sh
+    #!/bin/bash
+    set -e
+
+    export VERSIONEER_OVERRIDE=${version}
+    python setup.py install \
+      --prefix=\$PREFIX \
+      --single-version-externally-managed \
+      --record=record.txt \
+      --no-compile
+
+    EOF
+    chmod 755 $out/fake-conda/build.sh
+    ''