CHANGELOG.md at f2609cf795d8 · andymccall/oxygenflow

# f2609cf795d8 oxygenflow / CHANGELOG.md

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# Changelog

OxygenFlow has no release yet: the runner on Earth runs `main`. This file starts on 2026-10-01; earlier history is in `oxy log`.

## Unreleased

- **A job says how long it may run (#23).** `timeout "90m"` on a job, or on a sandbox for its jobs (hours, minutes, seconds; a minute to a day). The hub caps it at the site's maximum.

- **A pinned file is re-read from the disk before its hash is called wrong (#22).**

- **A runner says which jobs it holds (oxygenhub#71).** Each claim lists the jobs the runner is running or still has a result for, so the hub ends at once any job it lost by restarting, instead of an hour later at the time limit.
- **A runner says which images it holds (oxygenhub#73).** Each claim lists the rootfs images in the runner's `cas/` (read each time, so an image imported while it runs counts), and the hub offers only jobs whose image is among them. plex-1 had failed metalgear's jobs for want of one.

- **A job's result is kept until the hub has it (oxygenhub#71).** The runner offered a finished job's result three times over seven seconds and then dropped it, so a hub that was briefly down (Earth's reset) left the job running forever. The result is now kept on disk (`pending/` in the Flow home) and offered again, every 5 s doubling to a minute, for up to two hours, through any server error or lost connection; a runner that restarts sends what it kept. A refusal (the hub ended the job already) is final.

- **The Rust build image vendors mimalloc (#20).** Oxygen's new allocator was missing from the image, so oxygen's runs #150 to #153 failed. The image was rebuilt with `images/rust/build.sh`, imported on Earth and pinned in the oxygen, oxygenhub and oxygenflow pipelines. Rebuild it whenever a `Cargo.lock` of those projects changes.
- **A hint for shell escapes in a pipeline.** KDL 2.0 strings have no `\033`, `\e` or `\x` escapes; a pipeline that uses one (for ANSI colours, say) is still invalid, but `flow check` and the hub now name the line and say to write ESC as `\u{1b}`.

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1	# Changelog
2
3	OxygenFlow has no release yet: the runner on Earth runs `main`. This file starts on 2026-10-01; earlier history is in `oxy log`.
4
5	## Unreleased
6
7	- A job says how long it may run (#23). `timeout "90m"` on a job, or on a sandbox for its jobs (hours, minutes, seconds; a minute to a day). The hub caps it at the site's maximum.
8
9	- A pinned file is re-read from the disk before its hash is called wrong (#22).
10
11	- A runner says which jobs it holds (oxygenhub#71). Each claim lists the jobs the runner is running or still has a result for, so the hub ends at once any job it lost by restarting, instead of an hour later at the time limit.
12	- A runner says which images it holds (oxygenhub#73). Each claim lists the rootfs images in the runner's `cas/` (read each time, so an image imported while it runs counts), and the hub offers only jobs whose image is among them. plex-1 had failed metalgear's jobs for want of one.
13
14	- A job's result is kept until the hub has it (oxygenhub#71). The runner offered a finished job's result three times over seven seconds and then dropped it, so a hub that was briefly down (Earth's reset) left the job running forever. The result is now kept on disk (`pending/` in the Flow home) and offered again, every 5 s doubling to a minute, for up to two hours, through any server error or lost connection; a runner that restarts sends what it kept. A refusal (the hub ended the job already) is final.
15
16	- The Rust build image vendors mimalloc (#20). Oxygen's new allocator was missing from the image, so oxygen's runs #150 to #153 failed. The image was rebuilt with `images/rust/build.sh`, imported on Earth and pinned in the oxygen, oxygenhub and oxygenflow pipelines. Rebuild it whenever a `Cargo.lock` of those projects changes.
17	- A hint for shell escapes in a pipeline. KDL 2.0 strings have no `\033`, `\e` or `\x` escapes; a pipeline that uses one (for ANSI colours, say) is still invalid, but `flow check` and the hub now name the line and say to write ESC as `\u{1b}`.

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