1 files changed, 63 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/adoptopenjdk-bin/generate-sources.py b/nixpkgs/pkgs/development/compilers/adoptopenjdk-bin/generate-sources.py
new file mode 100755
index 000000000000..40b690048eba
--- /dev/null
+++ b/nixpkgs/pkgs/development/compilers/adoptopenjdk-bin/generate-sources.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env nix-shell
+#!nix-shell --pure -i python3 -p "python3.withPackages (ps: with ps; [ requests ])"
+
+import json
+import re
+import requests
+import sys
+
+releases = ["openjdk11"]
+oses = ["mac", "linux"]
+types = ["jre", "jdk"]
+impls = ["hotspot", "openj9"]
+
+arch_to_nixos = {
+    "x64": "x86_64",
+    "aarch64": "aarch64",
+}
+
+def get_sha256(url):
+    resp = requests.get(url)
+    if resp.status_code != 200:
+        print("error: could not fetch checksum from url {}: code {}".format(url, resp.code), file=sys.stderr)
+        sys.exit(1)
+    return resp.text.strip().split(" ")[0]
+
+RE_RELEASE_NAME = re.compile(r'[^-]+-([0-9.]+)\+([0-9]+)') # example release name: jdk-11.0.1+13
+def generate_sources(release, assets):
+    out = {}
+    for asset in assets:
+        if asset["os"] not in oses: continue
+        if asset["binary_type"] not in types: continue
+        if asset["openjdk_impl"] not in impls: continue
+        if asset["heap_size"] != "normal": continue
+        if asset["architecture"] not in arch_to_nixos: continue
+
+        version, build = RE_RELEASE_NAME.match(asset["release_name"]).groups()
+
+        type_map = out.setdefault(asset["os"], {})
+        impl_map = type_map.setdefault(asset["binary_type"], {})
+        arch_map = impl_map.setdefault(asset["openjdk_impl"], {
+            "packageType": asset["binary_type"],
+            "vmType": asset["openjdk_impl"],
+        })
+
+        arch_map[arch_to_nixos[asset["architecture"]]] = {
+            "url": asset["binary_link"],
+            "sha256": get_sha256(asset["checksum_link"]),
+            "version": version,
+            "build": build,
+        }
+
+    return out
+
+out = {}
+for release in releases:
+    resp = requests.get("https://api.adoptopenjdk.net/v2/latestAssets/releases/" + release)
+    if resp.status_code != 200:
+        print("error: could not fetch data for release {} (code {})".format(release, resp.code), file=sys.stderr)
+        sys.exit(1)
+    out[release] = generate_sources(release, resp.json())
+
+with open("sources.json", "w") as f:
+    json.dump(out, f, indent=2, sort_keys=True)