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anki/tools/coverage/coverage-rust
Abdo 3c9b1daf35 CI: Apply a consistent Cargo profile (#5133)
## Linked issue

Related:
https://github.com/ankitects/anki/pull/5102#issuecomment-4923922894

## Summary / motivation


This adds a new Cargo profile (`ci`) for use in all Rust build commands
on CI. The goal is to reduce unnecessary recompilation of the same
crates in dev/release profiles.

## Steps to reproduce (before)

View the logs of the last CI run on main and notice that some crates are
getting compiled with the `release` profile, e.g. compilation ends with
"Finished `release` profile [optimized]".

## How to test (after)

View the logs of the last CI run in this PR and confirm all Rust
compilation commands end with "Finished `ci` profile [unoptimized]",
indicating that only a single profile is being used.

### Checklist (minimum)

- [x] I ran `./ninja check` or an equivalent relevant check locally.
- [ ] I added or updated tests when the change is non-trivial or
behavior changed.

## Scope

- [x] This PR is focused on one change (no unrelated edits).
2026-08-12 10:17:29 +03:00

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#!/usr/bin/env bash
set -e
html="$1"
outdir="out/coverage/rust"
LLVMCOVPATH="out/bin"
mkdir -p $outdir $LLVMCOVPATH
export CARGO_TARGET_DIR="${CARGO_TARGET_DIR:-out/rust}"
if [[ "${CI:-}" == "true" ]]; then
# prebuilt binary shouldve been installed
cargo_cmd="cargo"
profile=ci
else
cargo_cmd="$LLVMCOVPATH/cargo-llvm-cov"
test -x "$cargo_cmd" || cargo install cargo-llvm-cov --version 0.8.4 --locked --root out
test -x "$LLVMCOVPATH/cargo-nextest" || cargo install cargo-nextest \
--version 0.9.99 --locked --no-default-features --features default-no-update --root out
profile=dev
fi
export PATH="$LLVMCOVPATH:$PATH"
ANKI_TEST_MODE=1 "$cargo_cmd" llvm-cov nextest --workspace --locked \
--cargo-profile "$profile" \
--json --summary-only \
--output-path $outdir/coverage-summary.json --fail-under-lines 64
if [ "$html" = "--html" ]; then
ANKI_TEST_MODE=1 "$cargo_cmd" llvm-cov report --profile "$profile" \
--html --output-dir $outdir
echo "Rust coverage report: $outdir/html/index.html"
fi