pyrox.dev
1
2import json
3from pathlib import Path
4import multiprocessing
5import subprocess
6import sys
7import toml
8from urllib.parse import urlparse
9import yaml
10
11import dag
12
13# This should match the behavior of the default unpackPhase.
14# See https://github.com/NixOS/nixpkgs/blob/59fa082abdbf462515facc8800d517f5728c909d/pkgs/stdenv/generic/setup.sh#L1044
15archive_extensions = [
16 # xz extensions
17 ".tar.xz",
18 ".tar.lzma",
19 ".txz",
20
21 # *.tar or *.tar.*
22 ".tar",
23 ".tar.Z",
24 ".tar.bz2",
25 ".tar.gz",
26
27 # Other tar extensions
28 ".tgz",
29 ".tbz2",
30 ".tbz",
31
32 ".zip"
33 ]
34
35def get_archive_derivation(uuid, artifact_name, url, sha256, closure_dependencies_dag, dependency_uuids, extra_libs, is_darwin):
36 depends_on = set()
37 if closure_dependencies_dag.has_node(uuid):
38 depends_on = set(closure_dependencies_dag.get_dependencies(uuid)).intersection(dependency_uuids)
39
40 other_libs = extra_libs.get(uuid, [])
41
42 if is_darwin:
43 fixup = f"""fixupPhase = let
44 libs = lib.concatMap (lib.mapAttrsToList (k: v: v.path))
45 [{" ".join(["uuid-" + x for x in depends_on])}];
46 in ''
47
48 ''"""
49 else:
50 fixup = f"""fixupPhase = let
51 libs = lib.concatMap (lib.mapAttrsToList (k: v: v.path))
52 [{" ".join(["uuid-" + x for x in depends_on])}];
53 in ''
54 find $out -type f -executable -exec \
55 patchelf --set-rpath \$ORIGIN:\$ORIGIN/../lib:${{lib.makeLibraryPath (["$out" glibc] ++ libs ++ (with pkgs; [{" ".join(other_libs)}]))}} {{}} \;
56 find $out -type f -executable -exec \
57 patchelf --set-interpreter ${{glibc}}/lib/ld-linux-x86-64.so.2 {{}} \;
58 ''"""
59
60 return f"""stdenv.mkDerivation {{
61 name = "{artifact_name}";
62 src = fetchurl {{
63 url = "{url}";
64 sha256 = "{sha256}";
65 }};
66 preUnpack = ''
67 mkdir unpacked
68 cd unpacked
69 '';
70 sourceRoot = ".";
71 dontConfigure = true;
72 dontBuild = true;
73 installPhase = "cp -r . $out";
74 {fixup};
75 }}"""
76
77def get_plain_derivation(url, sha256):
78 return f"""fetchurl {{
79 url = "{url}";
80 sha256 = "{sha256}";
81 }}"""
82
83def process_item(args):
84 item, julia_path, extract_artifacts_script, closure_dependencies_dag, dependency_uuids, extra_libs, is_darwin = args
85 uuid, src = item
86 lines = []
87
88 artifacts = toml.loads(subprocess.check_output([julia_path, extract_artifacts_script, uuid, src]).decode())
89 if not artifacts:
90 return f' uuid-{uuid} = {{}};\n'
91
92 lines.append(f' uuid-{uuid} = {{')
93
94 for artifact_name, details in artifacts.items():
95 if len(details["download"]) == 0:
96 continue
97 download = details["download"][0]
98 url = download["url"]
99 sha256 = download["sha256"]
100
101 git_tree_sha1 = details["git-tree-sha1"]
102
103 parsed_url = urlparse(url)
104 if any(parsed_url.path.endswith(x) for x in archive_extensions):
105 derivation = get_archive_derivation(uuid, artifact_name, url, sha256, closure_dependencies_dag, dependency_uuids, extra_libs, is_darwin)
106 else:
107 derivation = get_plain_derivation(url, sha256)
108
109 lines.append(f""" "{artifact_name}" = {{
110 sha1 = "{git_tree_sha1}";
111 path = {derivation};
112 }};\n""")
113
114 lines.append(' };\n')
115
116 return "\n".join(lines)
117
118def main():
119 dependencies_path = Path(sys.argv[1])
120 closure_yaml_path = Path(sys.argv[2])
121 julia_path = Path(sys.argv[3])
122 extract_artifacts_script = Path(sys.argv[4])
123 extra_libs = json.loads(sys.argv[5])
124 is_darwin = json.loads(sys.argv[6])
125 out_path = Path(sys.argv[7])
126
127 with open(dependencies_path, "r") as f:
128 dependencies = yaml.safe_load(f)
129 dependency_uuids = list(dependencies.keys()) # Convert dict_keys to list
130
131 with open(closure_yaml_path, "r") as f:
132 # Build up a map of UUID -> closure information
133 closure_yaml_list = yaml.safe_load(f) or []
134 closure_yaml = {}
135 for item in closure_yaml_list:
136 closure_yaml[item["uuid"]] = item
137
138 # Build up a dependency graph of UUIDs
139 closure_dependencies_dag = dag.DAG()
140 for uuid, contents in closure_yaml.items():
141 if contents.get("depends_on"):
142 closure_dependencies_dag.add_node(uuid, dependencies=contents["depends_on"].values())
143
144 with open(out_path, "w") as f:
145 if is_darwin:
146 f.write("{ lib, fetchurl, pkgs, stdenv }:\n\n")
147 else:
148 f.write("{ lib, fetchurl, glibc, pkgs, stdenv }:\n\n")
149
150 f.write("rec {\n")
151
152 with multiprocessing.Pool(10) as pool:
153 # Create args tuples for each item
154 process_args = [
155 (item, julia_path, extract_artifacts_script, closure_dependencies_dag, dependency_uuids, extra_libs, is_darwin)
156 for item in dependencies.items()
157 ]
158 for s in pool.map(process_item, process_args):
159 f.write(s)
160
161 f.write(f"""
162}}\n""")
163
164if __name__ == "__main__":
165 main()