|
| 1 | +import json |
| 2 | +import os |
| 3 | +import pathlib |
| 4 | +import requests |
| 5 | +import shutil |
| 6 | +import subprocess |
| 7 | +import sys |
| 8 | +import tempfile |
| 9 | + |
| 10 | + |
| 11 | +def replace_in_file(file_path, replacements): |
| 12 | + file_contents = pathlib.Path(file_path).read_text() |
| 13 | + for old, new in replacements.items(): |
| 14 | + if old == new: |
| 15 | + continue |
| 16 | + updated_file_contents = file_contents.replace(old, new) |
| 17 | + # A dumb way to check that we’ve actually replaced the string. |
| 18 | + if file_contents == updated_file_contents: |
| 19 | + print(f"no string to replace: {old} → {new}", file=sys.stderr) |
| 20 | + sys.exit(1) |
| 21 | + file_contents = updated_file_contents |
| 22 | + with tempfile.NamedTemporaryFile(mode="w") as t: |
| 23 | + t.write(file_contents) |
| 24 | + t.flush() |
| 25 | + shutil.copyfile(t.name, file_path) |
| 26 | + |
| 27 | + |
| 28 | +def nix_hash_to_sri(hash): |
| 29 | + return subprocess.run( |
| 30 | + [ |
| 31 | + "nix", |
| 32 | + "--extra-experimental-features", "nix-command", |
| 33 | + "hash", |
| 34 | + "to-sri", |
| 35 | + "--type", "sha256", |
| 36 | + "--", |
| 37 | + hash, |
| 38 | + ], |
| 39 | + stdout=subprocess.PIPE, |
| 40 | + text=True, |
| 41 | + check=True, |
| 42 | + ).stdout.rstrip() |
| 43 | + |
| 44 | + |
| 45 | +nixpkgs_path = "." |
| 46 | +attr_path = os.getenv("UPDATE_NIX_ATTR_PATH", "radarr") |
| 47 | + |
| 48 | +package_attrs = json.loads(subprocess.run( |
| 49 | + [ |
| 50 | + "nix", |
| 51 | + "--extra-experimental-features", "nix-command", |
| 52 | + "eval", |
| 53 | + "--json", |
| 54 | + "--file", nixpkgs_path, |
| 55 | + "--apply", """p: { |
| 56 | + dir = builtins.dirOf p.meta.position; |
| 57 | + version = p.version; |
| 58 | + sourceHash = p.src.src.outputHash; |
| 59 | + yarnHash = p.yarnOfflineCache.outputHash; |
| 60 | + }""", |
| 61 | + "--", |
| 62 | + attr_path, |
| 63 | + ], |
| 64 | + stdout=subprocess.PIPE, |
| 65 | + text=True, |
| 66 | + check=True, |
| 67 | +).stdout) |
| 68 | + |
| 69 | +old_version = package_attrs["version"] |
| 70 | +new_version = old_version |
| 71 | + |
| 72 | +# Note that we use Radarr API instead of GitHub to fetch latest stable release. |
| 73 | +# This corresponds to the Updates tab in the web UI. See also |
| 74 | +# https://github.com/Radarr/Radarr/blob/edec432244933a2143c5d13c71de7eb210434e7b/src/NzbDrone.Core/Update/UpdatePackageProvider.cs |
| 75 | +# https://github.com/Radarr/Radarr/blob/edec432244933a2143c5d13c71de7eb210434e7b/src/NzbDrone.Common/Cloud/RadarrCloudRequestBuilder.cs |
| 76 | +version_update = requests.get( |
| 77 | + f"https://radarr.servarr.com/v1/update/master?version={old_version}&includeMajorVersion=true", |
| 78 | +).json() |
| 79 | +if version_update["available"]: |
| 80 | + new_version = version_update["updatePackage"]["version"] |
| 81 | + |
| 82 | +if new_version == old_version: |
| 83 | + sys.exit() |
| 84 | + |
| 85 | +source_nix_hash, source_store_path = subprocess.run( |
| 86 | + [ |
| 87 | + "nix-prefetch-url", |
| 88 | + "--name", "source", |
| 89 | + "--unpack", |
| 90 | + "--print-path", |
| 91 | + f"https://github.com/Radarr/Radarr/archive/v{new_version}.tar.gz", |
| 92 | + ], |
| 93 | + stdout=subprocess.PIPE, |
| 94 | + text=True, |
| 95 | + check=True, |
| 96 | +).stdout.rstrip().split("\n") |
| 97 | + |
| 98 | +old_source_hash = package_attrs["sourceHash"] |
| 99 | +new_source_hash = nix_hash_to_sri(source_nix_hash) |
| 100 | + |
| 101 | +package_dir = package_attrs["dir"] |
| 102 | +package_file_name = "package.nix" |
| 103 | +deps_file_name = "deps.json" |
| 104 | + |
| 105 | +# To update deps.nix, we copy the package to a temporary directory and run |
| 106 | +# passthru.fetch-deps script there. |
| 107 | +with tempfile.TemporaryDirectory() as work_dir: |
| 108 | + package_file = os.path.join(work_dir, package_file_name) |
| 109 | + deps_file = os.path.join(work_dir, deps_file_name) |
| 110 | + |
| 111 | + shutil.copytree(package_dir, work_dir, dirs_exist_ok=True) |
| 112 | + |
| 113 | + replace_in_file(package_file, { |
| 114 | + # NB unlike hashes, versions are likely to be used in code or comments. |
| 115 | + # Try to be more specific to avoid false positive matches. |
| 116 | + f"version = \"{old_version}\"": f"version = \"{new_version}\"", |
| 117 | + old_source_hash: new_source_hash, |
| 118 | + }) |
| 119 | + |
| 120 | + # We need access to the patched and updated src to get the patched |
| 121 | + # `yarn.lock`. |
| 122 | + patched_src = os.path.join(work_dir, "patched-src") |
| 123 | + subprocess.run( |
| 124 | + [ |
| 125 | + "nix", |
| 126 | + "--extra-experimental-features", "nix-command", |
| 127 | + "build", |
| 128 | + "--impure", |
| 129 | + "--nix-path", "", |
| 130 | + "--include", f"nixpkgs={nixpkgs_path}", |
| 131 | + "--include", f"package={package_file}", |
| 132 | + "--expr", "(import <nixpkgs> { }).callPackage <package> { }", |
| 133 | + "--out-link", patched_src, |
| 134 | + "src", |
| 135 | + ], |
| 136 | + check=True, |
| 137 | + ) |
| 138 | + old_yarn_hash = package_attrs["yarnHash"] |
| 139 | + new_yarn_hash = nix_hash_to_sri(subprocess.run( |
| 140 | + [ |
| 141 | + "prefetch-yarn-deps", |
| 142 | + # does not support "--" separator :( |
| 143 | + # Also --verbose writes to stdout, yikes. |
| 144 | + os.path.join(patched_src, "yarn.lock"), |
| 145 | + ], |
| 146 | + stdout=subprocess.PIPE, |
| 147 | + text=True, |
| 148 | + check=True, |
| 149 | + ).stdout.rstrip()) |
| 150 | + |
| 151 | + replace_in_file(package_file, { |
| 152 | + old_yarn_hash: new_yarn_hash, |
| 153 | + }) |
| 154 | + |
| 155 | + # Generate nuget-to-json dependency lock file. |
| 156 | + fetch_deps = os.path.join(work_dir, "fetch-deps") |
| 157 | + subprocess.run( |
| 158 | + [ |
| 159 | + "nix", |
| 160 | + "--extra-experimental-features", "nix-command", |
| 161 | + "build", |
| 162 | + "--impure", |
| 163 | + "--nix-path", "", |
| 164 | + "--include", f"nixpkgs={nixpkgs_path}", |
| 165 | + "--include", f"package={package_file}", |
| 166 | + "--expr", "(import <nixpkgs> { }).callPackage <package> { }", |
| 167 | + "--out-link", fetch_deps, |
| 168 | + "passthru.fetch-deps", |
| 169 | + ], |
| 170 | + check=True, |
| 171 | + ) |
| 172 | + subprocess.run( |
| 173 | + [ |
| 174 | + fetch_deps, |
| 175 | + deps_file, |
| 176 | + ], |
| 177 | + stdout=subprocess.DEVNULL, |
| 178 | + check=True, |
| 179 | + ) |
| 180 | + |
| 181 | + shutil.copy(deps_file, os.path.join(package_dir, deps_file_name)) |
| 182 | + shutil.copy(package_file, os.path.join(package_dir, package_file_name)) |
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