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fix(engine): Spatial Join's and Zonal Statistics' output layer name runs on a script's copy - #1541
Follow-up to #1503, from its two late review threads.
What changes
Spatial Join and Zonal Statistics with an output name now run on a script's background copy.gp.spatialJoin and gp.zonalStats run their built-in tool (spatialJoin, zonalStats) with the parameters flat. Their output is the layer name the tool gives its result (out_name), as params.output is for gp.run. But layer_name_left_out only took the name out for gp.run. So touches_files saw "output": "Joined", took it for a file, and the script's copy stopped at that line. The user guide says a script's tools run in the background, so from that line on the script held the window.
layer_name_left_out now takes out these two commands' top-level output too, but only a plain name, with no /, \, . or :, by the same plain check as gp.run. Every other key still goes through names_place, so "target": "C:/x.shp" still counts as a file. A name that looks like a path does too.
touches_files also decides what a task, model or notebook from a file, or a plugin without files, may run untrusted. So these may now name these two tools' output layer as well. Neither tool can reach the file system through it:
output is a K::Text parameter used only as the layer's name;
neither tool has a SaveFile parameter;
an Output::File is still refused on a copy.
script_ahead's doc comment now says what it checks. A script runs here with no copy when its first line would stop the copy at once, when it has no lines, or when it doesn't parse. The old wording, "or the script doesn't read", described none of these.
Tests
The touches_files block: a plain output name on gp.spatialJoin and gp.zonalStats is not a file. C:/temp/x.shp and ../zones on them still are.
a_scripts_tools_run_ahead_are_taken_by_its_run: a script with a Spatial Join line named Joined, then a tool, takes both results from the copy and makes the layer Joined. Without the fix the copy stops at line 1, and the case fails.
cargo xtask ci: fmt, clippy, layers and the wasm build pass. Two kinds of test failure on this box come from main, not this change:
the known box-only failures (filegdb with GDAL, damaged shapefiles);
Spatial join and zonal statistics commands now distinguish simple output names from file paths, while continuing to recognize path-like outputs.
Empty or unparsable scripts now run without creating a copied session state. Scripts whose first command cannot run on a copy also continue to run without one.
Plain output names for gp.spatialJoin and gp.zonalStats no longer count as file access. Tests cover path-like outputs and script read-ahead on copied session state.
layer_name_left_out excludes plain top-level output values for gp.spatialJoin and gp.zonalStats from place detection. Tests cover plain names and path-like output values. The exception does not apply to GeoLibre or plugin tools.
The script_ahead documentation describes the no-copy path for empty and unparsed scripts. A test expects gp.spatialJoin with a named output and the following buffer call to run on the copied session state.
opengeos/RustGIS#1461 — Changes the touches_files interface and script read-ahead authorization and ownership.
opengeos/RustGIS#1503 — Adds script execution on a session copy and stops read-ahead for file-touching commands.
Suggested reviewers:giswqs
Merge Risk: Minimal · up to 648ce
The change allows plain named outputs to run on copied session state while retaining path-like output detection. Additional replay tests would improve confidence, but no blocking defect is established.
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The title identifies the main change: named Spatial Join and Zonal Statistics outputs can run on a script's copy.
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A rabbit checks the output name, A plain one does not touch a file. A path-like name still counts as one, The copied session takes the call, Then hops ahead along the script.
Scope: 3 files, +30/−4 lines. I read the diff, the changed functions and their callers (touches_files, runs_on_a_copy, the plugin call site at plugins.rs:396), the tool definitions in crates/analysis/src/tools.rs, and the new tests. I did not build or run the test suite; everything below is from reading the code.
Bugs: None found. Confidence that the change is correct: high (about 90%).
The new branch in layer_name_left_out (items.rs:878) only fires for gp.spatialJoin and gp.zonalStats, which are exact-match registry ids. Registry::get is an exact comparison (lib.rs:299), so the match agrees with dispatch.
Only the top-level output is stripped, and only when it passes plain. Any other key still goes through names_place, so target: "C:/x.shp" still counts as a file.
script_ahead's new doc comment matches the code: lines.first()? covers an empty script and script_commands(...).ok()? covers a parse failure.
Security: None found. Confidence: high.
out_name is the only use of output in both tools (tools.rs:5537 and :5888). Neither tool declares a SaveFile parameter; the only SaveFile uses are at lines 980, 1022 and 7698, all in other tools.
A plugin can't register command ids. It reaches these tools through the built-in registry (plugins.rs:547), so the exemption can't be reached under another identity.
Output::File is still refused on a copy (gp.rs:1173).
Performance: Negligible. The new branch clones the parameter object once per touches_files call, for these two commands only. Confidence: high.
Quality (nits, may wait for the release quality pass):
tests.rs:30363-30371: the new Spatial Join case checks tools_taken and that a layer named Joined exists. It doesn't compare the copy's layers with a run-here session, as the block at tests.rs:30333-30344 does. A copy that produced the wrong feature contents would pass. Confidence: medium.
items.rs:878-884 repeats the clone-and-remove-output pattern from items.rs:890-893. A small shared helper would remove the duplication. Confidence: medium.
AGENTS.md: Compliant as far as I can see. No unwrap, expect, panic or unsafe is added. The change adds no lossy path, and it adds positive and negative touches_files cases. The new code has no platform-specific calls, so the wasm build is unaffected. The user guide's description of scripts running tools in the background (docs/user-guide/analysis.md) is consistent with the change.
Earlier review threads: None exist on this PR, so none were left alone.
Change size
Compared: the whole PR against main (merge base fbc3c30 to PR head 648ceb0).
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Actionable comments posted: 2
Fix comments: Fix CodeRabbit comments on this PR
Prompt to fix all issues
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Inline comments:
Review comments at @crates/engine/src/tests.rs:
- Around line 2366-2367: Add a script replay test for gp.zonalStats that
verifies its named output is read ahead and replayed from the copy, along with a
subsequent tool; retain the existing touches_files classification assertions.
- Around line 30365-30371: Extend the read-ahead test using `read_ahead` so a
subsequent operation consumes `Joined` as its input; compare that operation’s
output schema and features with the same script run without read-ahead.
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crates/engine/src/cmd/items.rs
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Follow-up to #1503, from its two late review threads.
What changes
Spatial Join and Zonal Statistics with an output name now run on a script's background copy.
gp.spatialJoinandgp.zonalStatsrun their built-in tool (spatialJoin,zonalStats) with the parameters flat. Theiroutputis the layer name the tool gives its result (out_name), asparams.outputis forgp.run. Butlayer_name_left_outonly took the name out forgp.run. Sotouches_filessaw"output": "Joined", took it for a file, and the script's copy stopped at that line. The user guide says a script's tools run in the background, so from that line on the script held the window.layer_name_left_outnow takes out these two commands' top-leveloutputtoo, but only a plain name, with no/,\,.or:, by the sameplaincheck asgp.run. Every other key still goes throughnames_place, so"target": "C:/x.shp"still counts as a file. A name that looks like a path does too.touches_filesalso decides what a task, model or notebook from a file, or a plugin withoutfiles, may run untrusted. So these may now name these two tools' output layer as well. Neither tool can reach the file system through it:outputis aK::Textparameter used only as the layer's name;SaveFileparameter;Output::Fileis still refused on a copy.script_ahead's doc comment now says what it checks. A script runs here with no copy when its first line would stop the copy at once, when it has no lines, or when it doesn't parse. The old wording, "or the script doesn't read", described none of these.Tests
touches_filesblock: a plain output name ongp.spatialJoinandgp.zonalStatsis not a file.C:/temp/x.shpand../zoneson them still are.a_scripts_tools_run_ahead_are_taken_by_its_run: a script with a Spatial Join line namedJoined, then a tool, takes both results from the copy and makes the layerJoined. Without the fix the copy stops at line 1, and the case fails.cargo xtask ci: fmt, clippy, layers and the wasm build pass. Two kinds of test failure on this box come from main, not this change:mainat fbc3c30 fails 5 of them on every run here. They look like the COG tests from feat(raster): cloud-optimised GeoTIFFs are raster layers read in place #1339 racing each other through shared state.Summary by CodeRabbit