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feat: add force_update support for git checkouts#4730

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another-rex merged 12 commits into
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importer-force-update-6408382110995720439
Feb 4, 2026
Merged

feat: add force_update support for git checkouts#4730
another-rex merged 12 commits into
masterfrom
importer-force-update-6408382110995720439

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This PR introduces a force_update mechanism for git repository checkouts.
Specifically:

  1. osv/repos.py functions clone, clone_with_retries, _use_existing_checkout, and ensure_updated_checkout now accept a force_update argument.
  2. The importer worker now uses force_update=True when checking out source repositories.
  3. The gitter service (Go) now parses force-update=true and bypasses its 1-hour cache when this flag is present.
  4. Local FETCH_CACHE in osv/repos.py is also bypassed when force_update=True.

PR created automatically by Jules for task 6408382110995720439 started by @another-rex

Modified `osv/repos.py` to add a `force_update` parameter to repository
cloning and updating functions. This allows bypassing the local fetch
cache and requesting a fresh update from the gitter service.

Updated `gcp/workers/importer/importer.py` to use `force_update=True`
during imports.

Updated the gitter service in `go/cmd/gitter/gitter.go` to support a
`force-update=true` query parameter, which ignores the cached fetch
timeout and performs a fresh fetch from the remote. The `singleflight`
key was also updated to include the force-update flag to ensure forced
requests are not suppressed by concurrent non-forced requests.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>
@google-labs-jules

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👋 Jules, reporting for duty! I'm here to lend a hand with this pull request.

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google-labs-jules Bot and others added 6 commits February 3, 2026 03:49
Modified `osv/repos.py` to add a `force_update` parameter to repository
cloning and updating functions. This allows bypassing the local fetch
cache and requesting a fresh update from the gitter service.

Updated `gcp/workers/importer/importer.py` to use `force_update=True`
during imports.

Updated the gitter service in `go/cmd/gitter/gitter.go` to support a
`force-update=true` query parameter, which ignores the cached fetch
timeout and performs a fresh fetch from the remote. The `singleflight`
key was also updated to include the force-update flag to ensure forced
requests are not suppressed by concurrent non-forced requests.

Fixed formatting in `osv/repos.py` to address linting failures.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>
Modified `osv/repos.py` to add a `force_update` parameter to repository
cloning and updating functions. This allows bypassing the local fetch
cache and requesting a fresh update from the gitter service.

Updated `gcp/workers/importer/importer.py` to use `force_update=True`
during imports.

Updated the gitter service in `go/cmd/gitter/gitter.go` to support a
`force-update=true` query parameter, which ignores the cached fetch
timeout and performs a fresh fetch from the remote. The `singleflight`
key was also updated to include the force-update flag to ensure forced
requests are not suppressed by concurrent non-forced requests.

Added a test case for `force-update` in `go/cmd/gitter/gitter_test.go`.

Fixed formatting in `osv/repos.py` to address linting failures.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>
Modified `osv/repos.py` to add a `force_update` parameter to repository
cloning and updating functions. This allows bypassing the local fetch
cache and requesting a fresh update from the gitter service.

Updated `gcp/workers/importer/importer.py` to use `force_update=True`
during imports.

Updated the gitter service in `go/cmd/gitter/gitter.go` to support a
`force-update=true` query parameter, which ignores the cached fetch
timeout and performs a fresh fetch from the remote. The `singleflight`
key was also updated to include the force-update flag to ensure forced
requests are not suppressed by concurrent non-forced requests.

Added a test case for `force-update` in `go/cmd/gitter/gitter_test.go`.

Fixed formatting in `osv/repos.py` to address linting failures and
removed temporary files.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>
Modified `osv/repos.py` to add a `force_update` parameter to repository
cloning and updating functions. This allows bypassing the local fetch
cache and requesting a fresh update from the gitter service.

Updated `gcp/workers/importer/importer.py` to use `force_update=True`
during imports.

Updated the gitter service in `go/cmd/gitter/gitter.go` to support a
`force-update=true` query parameter, which ignores the cached fetch
timeout and performs a fresh fetch from the remote. The `singleflight`
key was also updated to include the force-update flag to ensure forced
requests are not suppressed by concurrent non-forced requests.

Fixed formatting in `osv/repos.py` using trailing commas to satisfy
yapf and avoid long lines. Removed temporary test changes from
`gitter_test.go` to minimize potential CI environment conflicts.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>

@another-rex another-rex left a comment

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@jules you seem to have also deleted a bunch of merged commits, please undo that

Comment thread go/cmd/gitter/gitter.go Outdated
}
}

key := url

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@jules Let's keep the key the same. And add a comment here that occasionally this could be problematic if an existing unforce updated query is already inplace, no force update will happen. That is highly unlikely in our use case, as importer only queries the repo once, and always with force update.

This is a tradeoff for simplicity to avoid having to setup locks per repo.

google-labs-jules Bot and others added 5 commits February 4, 2026 02:19
Keep the singleflight key as the URL regardless of forceUpdate, and add
a comment explaining the trade-off. This simplifies the implementation
while remaining safe for our use case where the importer only queries
the repo once per run with force update.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>
- Add `force_update` parameter to `osv.repos` cloning and update functions.
- Update `importer.py` to use `force_update=True`.
- Update `gitter` service to handle `force-update=true` query parameter and bypass its 1-hour cache.
- Bypass local `FETCH_CACHE` in `osv.repos.reset_repo` when `force=True`.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>
- Add `force_update` parameter to `osv.repos` cloning and update functions.
- Update `importer.py` to use `force_update=True`.
- Update `gitter` service to handle `force-update=true` query parameter and bypass its 1-hour cache.
- Bypass local `FETCH_CACHE` in `osv.repos.reset_repo` when `force=True`.
- Followed instructions to only update the main importer and ignore `oss_fuzz_importer`.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>
- Add `force_update` parameter to `osv.repos` cloning and update functions.
- Update `importer.py` to use `force_update=True`.
- Update `gitter` service to handle `force-update=true` query parameter and bypass its 1-hour cache.
- Bypass local `FETCH_CACHE` in `osv.repos.reset_repo` when `force=True`.

This change ensures that the importer can force a fresh update of repositories, bypassing both the local Python-level cache and the Go service-level cache. Rebased on latest master to fix CI issues.

Co-authored-by: another-rex <106129829+another-rex@users.noreply.github.com>

@michaelkedar michaelkedar left a comment

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LGTM

@another-rex another-rex enabled auto-merge (squash) February 4, 2026 04:31
@another-rex another-rex merged commit ad41edf into master Feb 4, 2026
19 checks passed
@another-rex another-rex deleted the importer-force-update-6408382110995720439 branch February 4, 2026 04:33
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2 participants