thegeneralist01/archivr
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build: build frontend in Nix, remove static from git tracking

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Add frontendDeps (FOD) and frontendStatic derivations to flake.nix so
that nix build handles the Vite bundle automatically. The archivr_server
derivation now copies from ${frontendStatic} instead of
${./crates/archivr-server/static}.

crates/archivr-server/static/ is excluded from git tracking (.gitignore);
the aarch64-darwin node_modules hash is included. Other systems use a
placeholder hash — run `nix build 2>&1 | grep 'got:'` to obtain theirs.

Update AGENTS.md and docs/README.md to reflect the new workflow.
This commit is contained in:
TheGeneralist 2026-10-04 22:53:42 +02:00
parent 699eb7f62d
commit 4f3b2968b6
4 changed files with 66 additions and 5 deletions
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56
flake.nix
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@ -121,6 +121,60 @@
--prefix PATH : ${lib.makeBinPath [ pkgs.python312 pkgs.ffmpeg ]}
'';
};
# Frontend: per-system hash for the node_modules FOD.
# bun installs platform-specific native binaries (esbuild, rollup),
# so the hash differs between systems.
# To compute the hash for a new system, set its entry to
# "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=" and run:
# nix build .#archivr-server 2>&1 | grep "got:"
# then paste the reported hash here.
frontendDepsHash =
{
"aarch64-darwin" = "sha256-QYmiCaORbrWPVaM9xXViCZChSxwObRCjlrM03zukjQ0=";
"x86_64-linux" = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
"aarch64-linux" = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
}
.${system} or "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
# FOD: fetch npm deps via bun. Network is allowed; output is hashed.
frontendDeps = pkgs.stdenv.mkDerivation {
pname = "archivr-frontend-deps";
version = "0.1.0";
src = ./frontend;
nativeBuildInputs = [ pkgs.bun ];
buildPhase = ''
export HOME=$TMPDIR
bun install --frozen-lockfile
'';
installPhase = ''
cp -r node_modules $out
'';
outputHash = frontendDepsHash;
outputHashAlgo = "sha256";
outputHashMode = "recursive";
};
# Build the Vite bundle using the pre-fetched node_modules.
# Source files in frontend/src/ are jj-tracked and flow through automatically;
# only the deps hash (above) needs updating when bun.lock/package.json changes.
frontendStatic = pkgs.stdenv.mkDerivation {
pname = "archivr-frontend-static";
version = "0.1.0";
src = ./frontend;
nativeBuildInputs = [ pkgs.nodejs ];
buildPhase = ''
export HOME=$TMPDIR
export BABEL_CACHE_PATH=$TMPDIR/babel-cache
cp -r ${frontendDeps} node_modules
chmod -R u+w node_modules
node node_modules/vite/bin/vite.js build --outDir dist
'';
installPhase = ''
cp -r dist $out
'';
dontFixup = true;
};
version = "0.1.0";
src = pkgs.lib.cleanSource ./.;
cargoLock = {
@ -206,7 +260,7 @@
cp ${archivr_server_unwrapped}/bin/archivr-server $out/libexec/archivr-server/archivr-server
cp ${./vendor/twitter/scrape_user_tweet_contents.py} $out/libexec/archivr-server/scrape_user_tweet_contents.py
chmod +x $out/libexec/archivr-server/scrape_user_tweet_contents.py
cp -r ${./crates/archivr-server/static}/* $out/share/archivr-server/static/
cp -r ${frontendStatic}/* $out/share/archivr-server/static/
makeWrapper $out/libexec/archivr-server/archivr-server $out/bin/archivr-server \
--set ARCHIVR_STATIC_DIR $out/share/archivr-server/static \
--set ARCHIVR_YT_DLP ${ytDlp}/bin/yt-dlp \