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fix(sandbox2): expand $PATH in a composed PATH - #1889
norrietaylor merged 5 commits into
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A loadout or [session.vars] entry setting PATH = "/opt/bin:$PATH" was
applied literally, so the session PATH became the string /opt/bin:$PATH
and every exec failed with os error 2.
In Config::command_env the layout default PATH is set first and composed
env_vars are applied last, replacing it verbatim. When the composed PATH
value contains $PATH or ${PATH}, substitute the layout default PATH for
that reference; every other variable stays literal.
Add a unit test covering $PATH, ${PATH}, a PATH without a reference, and
a non-PATH var containing $PATH. Document the PATH exception in the
[vars] section of docs/reference/loadouts.md.
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A rabbit sets the PATH just right, Comment |
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Inline comments:
Review comments at @crates/sandbox2/src/config.rs:
- Around line 590-602: In the PATH handling within the `self.env_vars`
iteration, stop replacing every `$PATH` substring, which corrupts variable names
such as `$PATH_SUFFIX`. Expand `$PATH` only when the following character cannot
continue a variable name, while preserving `${PATH}` expansion and leaving
longer variable references literal.
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crates/sandbox2/src/config.rsdocs/reference/loadouts.md
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Commit pushed:
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Clears clippy::unnecessary_map_or, which failed the clippy lane, and splits the loadouts PATH bullet so it adds no prose-lint alerts.
Set the layout PATH from the same default_path the expansion uses, move the expansion into expand_path_reference, and cover a build sandbox's default.
# Conflicts: # crates/sandbox2/src/config.rs
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Approved at 9ec06c7: minimal-review approved at head, 0 open threads, all lanes green.
Routing-Key: inbox-route/I_kwDOSUhdos8AAAABUyOiZQ
Summary
A loadout or
[session.vars]entry settingPATH = "/opt/bin:$PATH"was applied literally, so the sessionPATHbecame the string/opt/bin:$PATHand every exec failed withos error 2.In
Config::command_env(crates/sandbox2/src/config.rs) the layout defaultPATHis set first and composedenv_varsare applied last, replacing it verbatim. This change substitutes the layout defaultPATHfor a$PATH/${PATH}reference in a composedPATHvalue; every other variable stays literal.Changes
crates/sandbox2/src/config.rs: expand$PATH/${PATH}in a composedPATHagainst the layout default; add a unit test covering$PATH,${PATH}, aPATHwithout a reference, and a non-PATHvar containing$PATH.docs/reference/loadouts.md: document thePATHself-reference exception in the[vars]section.Verification
cargo fmt --all --check— passedcargo build --workspace --locked— passedcargo test -p sandbox2 --locked— 48 passed, 0 failed (includes the new test)cargo clippy -p sandbox2 --locked --no-deps -- -D warnings— passedNote:
cargo clippy --workspace --locked -- -D warningsfails in the untouchedcrates/args/src/lib.rsbecause the sandbox resolvescargoto thestable(1.99.0) toolchain rather than the repo-pinned1.97.0; 1.99.0'sneedless_borrows_for_generic_argslint does not exist in 1.97.0. This is pre-existing toolchain drift, unrelated to this change.Summary by CodeRabbit
PATHvalues can include$PATHor${PATH}to incorporate the session’s default path. Values without either reference remain unchanged.$PATHfollowed by a letter, digit, or underscore is treated literally, and references to other configured variables remain unchanged.PATHreferences are expanded and how values without those references and literal values for other variables are handled.