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[Merged by Bors] - chore: fix post_update hook #8401

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[Merged by Bors] - chore: fix post_update hook #8401

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f784ee2
chore: fix post_update hook
semorrison Nov 14, 2023
0a4868f
delay trim
semorrison Nov 14, 2023
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6 changes: 3 additions & 3 deletions lakefile.lean
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Original file line number Diff line number Diff line change
Expand Up @@ -75,15 +75,15 @@ post_update pkg do
https://github.com/leanprover/lean4/issues/2752
-/
let wsToolchainFile := rootPkg.dir / "lean-toolchain"
let mathlibToolchain ← IO.FS.readFile <| pkg.dir / "lean-toolchain"
let mathlibToolchain := ← IO.FS.readFile <| pkg.dir / "lean-toolchain"
IO.FS.writeFile wsToolchainFile mathlibToolchain
/-
Instead of building and running cache via the Lake API,
spawn a new `lake` since the toolchain may have changed.
-/
let exitCode ← IO.Process.spawn {
cmd := (← getElan?).map (·.toString) |>.getD "elan"
args := #["run", mathlibToolchain, "lake", "exe", "cache", "get"]
cmd := "elan"
args := #["run", mathlibToolchain.trim, "lake", "exe", "cache", "get"]
} >>= (·.wait)
if exitCode ≠ 0 then
logError s!"{pkg.name}: failed to fetch cache"
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