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Sender	Message	Time
19 Sep 2025
msgilligan	I made a repo with my hacked-together, proof-of-concept, incomplete nix-jdk-dashboard utility. It's basically a combination of Nix, BASH, and `jq` but it might be useful to someone. And if any of the Nix experts in here have any suggestions for improvement, I'd love to hear them.	18:09:00
msgilligan	Two major missing pieces are: It isn't able to figure out what JDKs are in Nixpgs automatically (it uses the `jdks.nix` file) It is not pulling the latest releases of JDKs from upstream and showing which ones are behind.	18:10:19
msgilligan	But the following command: `./nix-jdk-dashboard.sh master \| jq '.packages \| to_entries \| map(select(.key \| startswith("openjdk"))) \| map(.value.version)'`	18:10:45
msgilligan	Produces the following output: `[ "21.0.8+9", "11.0.27+6", "17.0.16+8", "21.0.8+9", "24.0.2+12", "8u462-b08" ]`	18:11:21
msgilligan	But I can manually compare to the versions in `zulu` or `temurin` in sdkman to see where we are behind.	18:13:27
msgilligan	* But I can manually compare to the versions in `zulu` or `temurin` in `sdkman` to see where we are behind.	18:13:38
msgilligan	* Produces the following output (for `master`): `[ "21.0.8+9", "11.0.27+6", "17.0.16+8", "21.0.8+9", "24.0.2+12", "8u462-b08" ]`	18:14:55
msgilligan	* Produces the following output (for `master` on `aarch64-darwin`): `[ "21.0.8+9", "11.0.27+6", "17.0.16+8", "21.0.8+9", "24.0.2+12", "8u462-b08" ]`	18:16:16
msgilligan	* Produces the following output (for `master` on `aarch64-linux`): `[ "21.0.8+9", "11.0.27+6", "17.0.16+8", "21.0.8+9", "24.0.2+12", "8u462-b08" ]`	18:17:36
msgilligan	So that suggests that we are behind: 11.0.27 -> 11.0.28	18:19:49
msgilligan	On `master` for `aarch64-darwin`, I get: `[ "21.0.8", "11.0.24", "17.0.12", "21.0.8", "24.0.2", "8.0.422" ]`	18:20:30
msgilligan	So that suggests we are behind: 8.0.422 -> 8.0.462 11.0.24 -> 11.0.28 17.0.12 -> 17.0.16 But Darwin is using `zulu`, so these are Zulu updates that need to happen.	18:23:42
msgilligan	* So that suggests we are behind: 8.0.422 -> 8.0.462 11.0.24 -> 11.0.28 17.0.12 -> 17.0.16 But Darwin is using `zulu`, so these are Zulu updates that need to happen.	18:24:36
msgilligan	* So that suggests we are behind: 8.0.422 -> 8.0.462 11.0.24 -> 11.0.28 17.0.12 -> 17.0.16 But Darwin is using `zulu`, so these are Zulu updates that need to happen (and are currently on `staging` !)	19:39:21
Tomodachi94 (they/them)	Starting work on removing consumers of Gradle7 by patching	20:26:26
Tomodachi94 (they/them)	If we want to remove Gradle7, we will need to either patch most of the Correttos or drop all except I think latest?	21:51:14
msgilligan	Who is maintaining Corretto and is it known why they want it in Nixpkgs?	21:55:24
Tomodachi94 (they/them)	There was a thread about it a few months ago. The reason iirc was because upstream uses that and enforced it through Grade	22:37:36
Tomodachi94 (they/them)	https://github.com/NixOS/nixpkgs/issues/313208#issuecomment-2467473454	22:38:59
msgilligan	At the worst case you think they could patch that somehow. When I use Gradle toolchains to set a JvmVendor (usually Temurin) I allow overrides by putting the setting in `gradle.properties` which can easily be overridden with a `-P` on the Gradle command line.	23:05:28
msgilligan	My list (and reasons) is this: openjdk -- the upstream Open Source, reference build for JDK temurin-bin -- popular Open Source pre-built distribution which Nixpkgs uses to bootstrap OpenJDK zulu -- popular Open Source pre-built distribution with JavaFX. On Darwin, Nixpkgs aliases jdk to zulu graalvm-ce -- Open Source "community edition" of GraalVM that provides the native-image compiler graalvm-oracle -- non-free GraalVM, but provides binaries during Early Access	23:07:36
msgilligan	* My list (and reasons) is this: openjdk -- the upstream Open Source, reference build for JDK temurin-bin -- popular Open Source pre-built distribution which Nixpkgs uses to bootstrap OpenJDK zulu -- popular Open Source pre-built distribution with JavaFX. On Darwin, Nixpkgs aliases jdk to zulu graalvm-ce -- Open Source "community edition" of GraalVM that provides the native-image compiler graalvm-oracle -- non-free GraalVM, but provides binaries during Early Access	23:07:58
msgilligan	Obviously the list could be shortened if we get openjdk building for Darwin or figure out a different way of bootstrapping openjdk, or get graalvm-ce building from source, etc.	23:18:34
msgilligan	* My list of "priority" JDKs (and reasons) is this: openjdk -- the upstream Open Source, reference build for JDK temurin-bin -- popular Open Source pre-built distribution which Nixpkgs uses to bootstrap OpenJDK zulu -- popular Open Source pre-built distribution with JavaFX. On Darwin, Nixpkgs aliases jdk to zulu graalvm-ce -- Open Source "community edition" of GraalVM that provides the native-image compiler graalvm-oracle -- non-free GraalVM, but provides binaries during Early Access	23:20:30
Tomodachi94 (they/them)	We could use Zulu to bootstrap OpenJDK for everything, maybe?	23:58:22
20 Sep 2025
emily	I'd prefer Temurin over Zulu	00:09:24
emily	since Temurin is vanilla like the OpenJDK we build	00:09:33
msgilligan	I’d prefer building OpenJDK with the previous OpenJDK like Guix does, but I assume there’s a reason for not doing it that way.	02:38:08
emily	turtle stack has to stop somewhere. IIRC they eventually detour via Jikes or something else that eventually bootstraps via C, but last I heard they hadn't wired up the full path yet?	02:38:52
emily	and it requires lots of old versions of compilers, forked patch GNU Classpath hacks, etc.	02:39:00

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