crane/lib/downloadCargoPackage.nix

{ fetchurl
, urlForCargoPackage
, runCommand
}:

{ name
, version
, checksum
, ...
}@args:
let
  pkgInfo = urlForCargoPackage args;
  tarball = fetchurl (pkgInfo.fetchurlExtraArgs // {
    inherit (pkgInfo) url;
    name = "${name}-${version}";
    sha256 = checksum;
  });
in
runCommand "cargo-package-${name}-${version}" { } ''
  mkdir -p $out
  tar -xzf ${tarball} -C $out --strip-components=1
  echo '{"files":{}, "package":"${checksum}"}' > $out/.cargo-checksum.json
''
Implement vendoring cargo dependencies 2021-12-27 01:05:23 +03:00			`{ fetchurl`
			`, urlForCargoPackage`
various: switch to using runCommand to improve caching (#384) For example, commands which extract a tarball should be cached (i.e should use `runCommand` not `runCommandLocal`) because it allows builds to download the unpacked result instead of having to write both to the store 2023-09-04 03:33:25 +03:00			`, runCommand`
Implement vendoring cargo dependencies 2021-12-27 01:05:23 +03:00			`}:`

			`{ name`
			`, version`
			`, checksum`
			`, ...`
Make crate downloads aware of alternative registries 2022-01-30 03:12:22 +03:00			`}@args:`
Implement vendoring cargo dependencies 2021-12-27 01:05:23 +03:00			`let`
Allow passing arbitrary fetchurl args per registry (#168) Co-authored-by: Amos Wenger <amoswenger@gmail.com> 2022-11-21 03:22:13 +03:00			`pkgInfo = urlForCargoPackage args;`
			`tarball = fetchurl (pkgInfo.fetchurlExtraArgs // {`
			`inherit (pkgInfo) url;`
Implement vendoring cargo dependencies 2021-12-27 01:05:23 +03:00			`name = "${name}-${version}";`
			`sha256 = checksum;`
Allow passing arbitrary fetchurl args per registry (#168) Co-authored-by: Amos Wenger <amoswenger@gmail.com> 2022-11-21 03:22:13 +03:00			`});`
Implement vendoring cargo dependencies 2021-12-27 01:05:23 +03:00			`in`
various: switch to using runCommand to improve caching (#384) For example, commands which extract a tarball should be cached (i.e should use `runCommand` not `runCommandLocal`) because it allows builds to download the unpacked result instead of having to write both to the store 2023-09-04 03:33:25 +03:00			`runCommand "cargo-package-${name}-${version}" { } ''`
Implement vendoring cargo dependencies 2021-12-27 01:05:23 +03:00			`mkdir -p $out`
			`tar -xzf ${tarball} -C $out --strip-components=1`
			`echo '{"files":{}, "package":"${checksum}"}' > $out/.cargo-checksum.json`
			`''`