centralize/simplify version management

artiq/conda-artiq-board.nix

@@ -1,21 +1,18 @@
 { pkgs }:
-{ artiqSrc, boardBinaries, target, variant }:
+{ target, variant, boardBinaries }:
 
 with pkgs;
 
 let
+  version = import ./pkgs/artiq-version.nix;
   fakeCondaSource = runCommand "fake-condasrc-artiq-board-${target}-${variant}" { }
     ''
-    cp --no-preserve=mode,ownership -R ${artiqSrc} $out
+    mkdir -p $out/fake-conda;
-    mkdir $out/fake-conda;
 
     cat << EOF > $out/fake-conda/meta.yaml
     package:
       name: artiq-board-${target}-${variant}
-      version: 5e.{{ environ["GIT_FULL_HASH"][:8] }}
+      version: ${version}
-
-    source:
-      git_url: ..
 
     build:
       noarch: python

artiq/conda-artiq.nix

@@ -4,18 +4,25 @@ with pkgs;
 
 let
   artiqSrc = import ./pkgs/artiq-src.nix { inherit fetchgit; };
+  version = import ./pkgs/artiq-version.nix;
   fakeCondaSource = runCommand "fake-condasrc-artiq" { }
     ''
-    cp --no-preserve=mode,ownership -R ${artiqSrc} $out
+    mkdir -p $out/fake-conda;
-    mkdir $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: 5e.{{ environ["GIT_FULL_HASH"][:8] }}
+      version: ${version}
 
     source:
-      git_url: ..
+      url: ../src.tar
 
     {% set data = load_setup_py_data() %}
 

artiq/default.nix

@@ -22,10 +22,9 @@ let
       start // {
         "artiq-board-${board.target}-${board.variant}" = boardBinaries;
         "conda-artiq-board-${board.target}-${board.variant}" = import ./conda-artiq-board.nix { inherit pkgs; } {
-          artiqSrc = import ./pkgs/artiq-src.nix { fetchgit = pkgs.fetchgit; };
-          boardBinaries = boardBinaries;
           target = board.target;
           variant = board.variant;
+          boardBinaries = boardBinaries;
         };
       }) {} boards;
 in rec {

artiq/pkgs/artiq.nix

@@ -64,7 +64,8 @@ pyqtgraph-qt5 = python3Packages.buildPythonPackage rec {
 in
 
 python3Packages.buildPythonPackage rec {
-  name = "artiq";
+  name = "artiq-${version}";
+  version = import ./artiq-version.nix;
   src = import ./artiq-src.nix { inherit fetchgit; };
   buildInputs = [ git ];
   propagatedBuildInputs = with python3Packages; [ binutils-or1k llvm-or1k llvmlite levenshtein pyqtgraph-qt5 aiohttp pygit2 pythonparser numpy dateutil quamash scipy prettytable pyserial asyncserial h5py cython regex qt5Full pyqt5 ];

main.nix

@@ -15,6 +15,7 @@ let
       leaveDotGit = true;
     }
     EOF
+    echo \"5e.`cut -c1-8 <<< $REV`\" > $out/pkgs/artiq-version.nix
     '';
   artiqpkgs = import "${generatedNix}/default.nix" { inherit pkgs; };
   jobs = builtins.mapAttrs (key: value: pkgs.lib.hydraJob value) artiqpkgs;