Include cargo dependencies in the Nix tarball

This commit is contained in:
Eelco Dolstra 2019-07-05 01:01:18 +02:00
parent 0dbb249b36
commit d722e2175e
2 changed files with 42 additions and 1 deletions

View file

@ -4,4 +4,6 @@ libnixrust_LDFLAGS_USE := -L$(d)/target/release -lnixrust -ldl
libnixrust_LDFLAGS_USE_INSTALLED := $(libnixrust_LDFLAGS_USE)
$(d)/target/release/libnixrust.a: $(wildcard $(d)/src/*.rs) $(d)/Cargo.toml
$(trace-gen) cd nix-rust && RUSTC_BOOTSTRAP=1 cargo build --release && touch target/release/libnixrust.a
$(trace-gen) cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) cargo build --release -Z offline && touch target/release/libnixrust.a
dist-files += $(d)/vendor

View file

@ -10,6 +10,43 @@ let
jobs = rec {
# Create a "vendor" directory that contains the crates listed in
# Cargo.lock, and include it in the Nix tarball. This allows Nix
# to be built without network access.
vendoredCrates =
let
lockFile = builtins.fromTOML (builtins.readFile nix-rust/Cargo.lock);
files = map (pkg: import <nix/fetchurl.nix> {
url = "https://crates.io/api/v1/crates/${pkg.name}/${pkg.version}/download";
sha256 = lockFile.metadata."checksum ${pkg.name} ${pkg.version} (registry+https://github.com/rust-lang/crates.io-index)";
}) (builtins.filter (pkg: pkg.source or "" == "registry+https://github.com/rust-lang/crates.io-index") lockFile.package);
in pkgs.runCommand "cargo-vendor-dir" {}
''
mkdir -p $out/vendor
cat > $out/vendor/config <<EOF
[source.crates-io]
replace-with = "vendored-sources"
[source.vendored-sources]
directory = "vendor"
EOF
${toString (builtins.map (file: ''
mkdir $out/vendor/tmp
tar xvf ${file} -C $out/vendor/tmp
dir=$(echo $out/vendor/tmp/*)
# Add just enough metadata to keep Cargo happy.
printf '{"files":{},"package":"${file.outputHash}"}' > "$dir/.cargo-checksum.json"
mv "$dir" $out/vendor/
rmdir $out/vendor/tmp
'') files)}
'';
tarball =
with pkgs;
@ -38,6 +75,8 @@ let
distPhase =
''
cp -prd ${vendoredCrates}/vendor/ nix-rust/vendor/
runHook preDist
make dist
mkdir -p $out/tarballs