luc-pimentel opened a new pull request, #76259:
URL: https://github.com/apache/airflow/pull/76259
A code-only change to a Dag advances a versioned bundle to a new commit
without changing the serialized Dag, so the Dag processor reuses the existing
Dag version and refreshes its `bundle_version` in place (#68336). Runs created
before that stay pinned to the earlier commit in `DagRun.bundle_version`, but
the dag-run, task-instance, task-try and grid responses read the commit from
the version row. A run that executed commit A reports commit B under
`dag_versions`, and its source link points at code it never ran.
The responses now follow the run, the way #71425 and #73915 did for clearing
and task callbacks: the version a pinned run was created with is reported with
the run's own `bundle_version` and a URL rendered for that commit, through a
new `DagVersion.bundle_url_for`. Every other version, and every version of an
unpinned run, keeps the row's values, so a task left on another version by a
clear keeps its row too. There is no schema change, no migration and no new
query; the override keys on `created_dag_version_id`. The trade is that the
same version id reports commit A on the run and commit B on `GET /dagVersions`.
The write path and the 404 when triggering at a refreshed-away commit are left
to the Dag version pinning work (AIP-109, #76041).
Tested with a git bundle on main: commit A, parse, trigger a run; commit B
changing only the task body, parse. Before, `GET
/dags/{dag_id}/dagRuns/{run_id}` reported `dag_versions[0].bundle_version` B
for the run pinned to A; after, A. Same after a third commit that adds a task,
with a run at B as the control. The new API tests cover the dag-run get and
list, task-instance get and list, the archived try and the grid runs, each red
on main, plus the unpinned run, a task on another version and a bundle without
a URL template; unit tests cover `bundle_url_for`.
related: #73861
related: #76041
---
##### Was generative AI tooling used to co-author this PR?
- [X] Yes - Claude Code (claude-fable-5-1)
Generated-by: Claude Code (claude-fable-5-1) following [the
guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#gen-ai-assisted-contributions)
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