139 lines
3.9 KiB
Python
Executable file
139 lines
3.9 KiB
Python
Executable file
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import json
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from pathlib import Path
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import multiprocessing
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import subprocess
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import sys
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import toml
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from urllib.parse import urlparse
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import yaml
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import dag
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# This should match the behavior of the default unpackPhase.
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# See https://github.com/NixOS/nixpkgs/blob/59fa082abdbf462515facc8800d517f5728c909d/pkgs/stdenv/generic/setup.sh#L1044
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archive_extensions = [
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# xz extensions
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".tar.xz",
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".tar.lzma",
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".txz",
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# *.tar or *.tar.*
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".tar",
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".tar.Z",
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".tar.bz2",
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".tar.gz",
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# Other tar extensions
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".tgz",
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".tbz2",
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".tbz",
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".zip"
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]
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dependencies_path = Path(sys.argv[1])
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closure_yaml_path = Path(sys.argv[2])
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julia_path = Path(sys.argv[3])
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extract_artifacts_script = Path(sys.argv[4])
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extra_libs = json.loads(sys.argv[5])
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out_path = Path(sys.argv[6])
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with open(dependencies_path, "r") as f:
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dependencies = yaml.safe_load(f)
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dependency_uuids = dependencies.keys()
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with open(closure_yaml_path, "r") as f:
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# Build up a map of UUID -> closure information
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closure_yaml_list = yaml.safe_load(f) or []
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closure_yaml = {}
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for item in closure_yaml_list:
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closure_yaml[item["uuid"]] = item
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# Build up a dependency graph of UUIDs
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closure_dependencies_dag = dag.DAG()
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for uuid, contents in closure_yaml.items():
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if contents.get("depends_on"):
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closure_dependencies_dag.add_node(uuid, dependencies=contents["depends_on"].values())
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def get_archive_derivation(uuid, artifact_name, url, sha256):
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depends_on = set()
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if closure_dependencies_dag.has_node(uuid):
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depends_on = set(closure_dependencies_dag.get_dependencies(uuid)).intersection(dependency_uuids)
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other_libs = extra_libs.get(uuid, [])
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fixup = f"""fixupPhase = let
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libs = lib.concatMap (lib.mapAttrsToList (k: v: v.path))
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[{" ".join(["uuid-" + x for x in depends_on])}];
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in ''
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find $out -type f -executable -exec \
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patchelf --set-rpath \$ORIGIN:\$ORIGIN/../lib:${{lib.makeLibraryPath (["$out" glibc] ++ libs ++ (with pkgs; [{" ".join(other_libs)}]))}} {{}} \;
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find $out -type f -executable -exec \
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patchelf --set-interpreter ${{glibc}}/lib/ld-linux-x86-64.so.2 {{}} \;
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''"""
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return f"""stdenv.mkDerivation {{
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name = "{artifact_name}";
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src = fetchurl {{
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url = "{url}";
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sha256 = "{sha256}";
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}};
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preUnpack = ''
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mkdir unpacked
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cd unpacked
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'';
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sourceRoot = ".";
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dontConfigure = true;
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dontBuild = true;
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installPhase = "cp -r . $out";
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{fixup};
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}}"""
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def get_plain_derivation(url, sha256):
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return f"""fetchurl {{
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url = "{url}";
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sha256 = "{sha256}";
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}}"""
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with open(out_path, "w") as f:
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f.write("{ lib, fetchurl, glibc, pkgs, stdenv }:\n\n")
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f.write("rec {\n")
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def process_item(item):
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uuid, src = item
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lines = []
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artifacts = toml.loads(subprocess.check_output([julia_path, extract_artifacts_script, uuid, src]).decode())
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if not artifacts: return f' uuid-{uuid} = {{}};\n'
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lines.append(f' uuid-{uuid} = {{')
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for artifact_name, details in artifacts.items():
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if len(details["download"]) == 0: continue
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download = details["download"][0]
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url = download["url"]
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sha256 = download["sha256"]
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git_tree_sha1 = details["git-tree-sha1"]
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parsed_url = urlparse(url)
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if any(parsed_url.path.endswith(x) for x in archive_extensions):
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derivation = get_archive_derivation(uuid, artifact_name, url, sha256)
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else:
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derivation = get_plain_derivation(url, sha256)
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lines.append(f""" "{artifact_name}" = {{
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sha1 = "{git_tree_sha1}";
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path = {derivation};
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}};\n""")
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lines.append(' };\n')
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return "\n".join(lines)
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with multiprocessing.Pool(10) as pool:
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for s in pool.map(process_item, dependencies.items()):
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f.write(s)
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f.write(f"""
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}}\n""")
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