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perf(dev): share Cargo package cache across worktrees #199

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Merged
johnmatthewtennant merged 4 commits into from
Sep 3, 2026
+18 −0
Merged

perf(dev): share Cargo package cache across worktrees #199

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0f880b1
perf(dev): share Cargo package cache across worktrees
johnmatthewtennant Aug 25, 2026
96dc18b
fix(dev): preserve Cargo binary path
johnmatthewtennant Aug 25, 2026
01c157d
style(dev): separate Cargo cache contract
johnmatthewtennant Sep 3, 2026
d3782f5
test(dev): keep Cargo cache contracts independent
johnmatthewtennant Sep 3, 2026
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5 changes: 5 additions & 0 deletions bin/hermit.hcl
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Original file line number Diff line number Diff line change
@@ -1 +1,6 @@
manage-git = true

env = {
"CARGO_HOME": "${HOME}/.cache/berd/cargo-home",
"PATH": "${HOME}/.cache/berd/cargo-home/bin:${PATH}",
}
13 changes: 13 additions & 0 deletions scripts/release/tests/release-scripts.test.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -128,6 +128,19 @@ describe("managed Goose build profile", () => {
});
});

describe("shared Cargo package cache", () => {
it("keeps Cargo dependency and binary paths stable across worktrees", async () => {
const hermitConfig = await readFile(join(repo, "bin/hermit.hcl"), "utf8");

expect(hermitConfig).toMatch(
/"CARGO_HOME": "\$\{HOME\}\/\.cache\/berd\/cargo-home"/,
);
expect(hermitConfig).toMatch(
/"PATH": "\$\{HOME\}\/\.cache\/berd\/cargo-home\/bin:\$\{PATH\}"/,
);
});
});

describe("Docker Linux build environment", () => {
it("forwards host build configuration when Docker replaces the environment", async () => {
const dir = await tempDir();
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