alexion
8622b35f48
Add the content tier: a standalone flake that auto-discovers each skill (a directory containing a SKILL.md, at any depth) and exposes it as an individually addressable derivation built by lib.mkSkill. Directories without a SKILL.md are descended through as cosmetic containers; once a SKILL.md is found, that directory's subfolders are its assets, not further skills. Skill names must be globally unique across the tree — a collision is a hard eval-time error, not a warning. A fixture-driven skill-build check under `nix flake check` exercises the recursive walk, the builder, the SKILL.md-at-$out-root contract, the eval-time name passthru, and the collision error. The repo ships no real skill content yet, so packages.<system> is empty today.
28 lines
721 B
Nix
28 lines
721 B
Nix
# Builds a skill source directory into a derivation, `SKILL.md` at the `$out` root.
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{
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pkgs,
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src,
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name ? builtins.baseNameOf (toString src),
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}:
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pkgs.stdenvNoCC.mkDerivation {
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inherit name src;
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# A skill is just files to copy, with nothing to unpack, configure, or build.
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dontUnpack = true;
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dontConfigure = true;
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dontBuild = true;
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installPhase = ''
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runHook preInstall
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mkdir -p "$out"
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cp -R "$src"/. "$out/"
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test -f "$out/SKILL.md" \
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|| { echo "mkSkill: skill '${name}' has no SKILL.md at its root" >&2; exit 1; }
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runHook postInstall
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'';
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# The name as an eval-time attribute, readable without building `$out`
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# (no import-from-derivation).
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passthru.skillName = name;
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}
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