diff options
Diffstat (limited to 'nix/buildkite/default.nix')
| -rw-r--r-- | nix/buildkite/default.nix | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/nix/buildkite/default.nix b/nix/buildkite/default.nix index 09fe0a741e..5a61aef3b7 100644 --- a/nix/buildkite/default.nix +++ b/nix/buildkite/default.nix @@ -15,9 +15,13 @@ let concatStringsSep filter foldl' + getEnv length + listToAttrs mapAttrs - toJSON; + pathExists + toJSON + unsafeDiscardStringContext; inherit (pkgs) lib runCommandNoCC writeText; in rec { @@ -44,7 +48,7 @@ in rec { # Skip build steps if their out path has already been built. skip = headBranch: target: let - shouldSkip = with builtins; + shouldSkip = # Only skip in real Buildkite builds (getEnv "BUILDKITE_BUILD_ID" != "") && # Always build everything for the canon branch. @@ -60,7 +64,7 @@ in rec { skip = if skipIfBuilt then skip headBranch target else false; command = let - drvPath = builtins.unsafeDiscardStringContext target.drvPath; + drvPath = unsafeDiscardStringContext target.drvPath; in concatStringsSep " " [ # First try to realise the drvPath of the target so we don't evaluate twice. # Nix has no concept of depending on a derivation file without depending on @@ -162,4 +166,20 @@ in rec { (chunk: "cp ${chunk.path} $out/${chunk.filename}") chunks } ''; + + # Create a drvmap structure for the given targets, containing the + # mapping of all target paths to their derivations. The mapping can + # be persisted for future use. + mkDrvmap = drvTargets: writeText "drvmap.json" (toJSON (listToAttrs (map (target: { + name = mkLabel target; + value = { + drvPath = unsafeDiscardStringContext target.drvPath; + + # Include the attrPath in the output to reconstruct the drv + # without parsing the human-readable label. + attrPath = target.__readTree ++ lib.optionals (target ? __subtarget) [ + target.__subtarget + ]; + }; + }) drvTargets))); } |