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Diffstat (limited to 'src/tools/rustfmt/ci/check_diff.sh')
| -rwxr-xr-x | src/tools/rustfmt/ci/check_diff.sh | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/tools/rustfmt/ci/check_diff.sh b/src/tools/rustfmt/ci/check_diff.sh new file mode 100755 index 000000000..062c2dd86 --- /dev/null +++ b/src/tools/rustfmt/ci/check_diff.sh @@ -0,0 +1,199 @@ +#!/bin/bash + +function print_usage() { + echo "usage check_diff REMOTE_REPO FEATURE_BRANCH [COMMIT_HASH] [OPTIONAL_RUSTFMT_CONFIGS]" +} + +if [ $# -le 1 ]; then + print_usage + exit 1 +fi + +REMOTE_REPO=$1 +FEATURE_BRANCH=$2 +OPTIONAL_COMMIT_HASH=$3 +OPTIONAL_RUSTFMT_CONFIGS=$4 + +# OUTPUT array used to collect all the status of running diffs on various repos +STATUSES=() + +# Clone a git repository and cd into it. +# +# Parameters: +# $1: git clone url +# $2: directory where the repo should be cloned +function clone_repo() { + GIT_TERMINAL_PROMPT=0 git clone --quiet $1 --depth 1 $2 && cd $2 +} + +# Initialize Git submoduels for the repo. +# +# Parameters +# $1: list of directories to initialize +function init_submodules() { + git submodule update --init $1 +} + +# Run rusfmt with the --check flag to see if a diff is produced. +# +# Parameters: +# $1: Path to a rustfmt binary +# $2: Output file path for the diff +# $3: Any additional configuration options to pass to rustfmt +# +# Globlas: +# $OPTIONAL_RUSTFMT_CONFIGS: Optional configs passed to the script from $4 +function create_diff() { + local config; + if [ -z "$3" ]; then + config="--config=error_on_line_overflow=false,error_on_unformatted=false" + else + config="--config=error_on_line_overflow=false,error_on_unformatted=false,$OPTIONAL_RUSTFMT_CONFIGS" + fi + + for i in `find . | grep "\.rs$"` + do + $1 --unstable-features --skip-children --check --color=always $config $i >> $2 2>/dev/null + done +} + +# Run the master rustfmt binary and the feature branch binary in the current directory and compare the diffs +# +# Parameters +# $1: Name of the repository (used for logging) +# +# Globlas: +# $RUSFMT_BIN: Path to the rustfmt master binary. Created when running `compile_rustfmt` +# $FEATURE_BIN: Path to the rustfmt feature binary. Created when running `compile_rustfmt` +# $OPTIONAL_RUSTFMT_CONFIGS: Optional configs passed to the script from $4 +function check_diff() { + echo "running rustfmt (master) on $1" + create_diff $RUSFMT_BIN rustfmt_diff.txt + + echo "running rustfmt (feature) on $1" + create_diff $FEATURE_BIN feature_diff.txt $OPTIONAL_RUSTFMT_CONFIGS + + echo "checking diff" + local diff; + # we don't add color to the diff since we added color when running rustfmt --check. + # tail -n + 6 removes the git diff header info + # cut -c 2- removes the leading diff characters("+","-"," ") from running git diff. + # Again, the diff output we care about was already added when we ran rustfmt --check + diff=$( + git --no-pager diff --color=never \ + --unified=0 --no-index rustfmt_diff.txt feature_diff.txt 2>&1 | tail -n +6 | cut -c 2- + ) + + if [ -z "$diff" ]; then + echo "no diff detected between rustfmt and the feture branch" + return 0 + else + echo "$diff" + return 1 + fi +} + +# Compiles and produces two rustfmt binaries. +# One for the current master, and another for the feature branch +# +# Parameters: +# $1: Directory where rustfmt will be cloned +# +# Globlas: +# $REMOTE_REPO: Clone URL to the rustfmt fork that we want to test +# $FEATURE_BRANCH: Name of the feature branch +# $OPTIONAL_COMMIT_HASH: Optional commit hash that will be checked out if provided +function compile_rustfmt() { + RUSTFMT_REPO="https://github.com/rust-lang/rustfmt.git" + clone_repo $RUSTFMT_REPO $1 + git remote add feature $REMOTE_REPO + git fetch feature $FEATURE_BRANCH + + cargo build --release --bin rustfmt && cp target/release/rustfmt $1/rustfmt + if [ -z "$OPTIONAL_COMMIT_HASH" ]; then + git switch $FEATURE_BRANCH + else + git switch $OPTIONAL_COMMIT_HASH --detach + fi + cargo build --release --bin rustfmt && cp target/release/rustfmt $1/feature_rustfmt + RUSFMT_BIN=$1/rustfmt + FEATURE_BIN=$1/feature_rustfmt +} + +# Check the diff for running rustfmt and the feature branch on all the .rs files in the repo. +# +# Parameters +# $1: Clone URL for the repo +# $2: Name of the repo (mostly used for logging) +# $3: Path to any submodules that should be initialized +function check_repo() { + WORKDIR=$(pwd) + REPO_URL=$1 + REPO_NAME=$2 + SUBMODULES=$3 + + local tmp_dir; + tmp_dir=$(mktemp -d -t $REPO_NAME-XXXXXXXX) + clone_repo $REPO_URL $tmp_dir + + if [ ! -z "$SUBMODULES" ]; then + init_submodules $SUBMODULES + fi + + check_diff $REPO_NAME + # append the status of running `check_diff` to the STATUSES array + STATUSES+=($?) + + echo "removing tmp_dir $tmp_dir" + rm -rf $tmp_dir + cd $WORKDIR +} + +function main() { + tmp_dir=$(mktemp -d -t rustfmt-XXXXXXXX) + echo Created tmp_dir $tmp_dir + + compile_rustfmt $tmp_dir + + # run checks + check_repo "https://github.com/rust-lang/rust.git" rust-lang-rust + check_repo "https://github.com/rust-lang/cargo.git" cargo + check_repo "https://github.com/rust-lang/miri.git" miri + check_repo "https://github.com/rust-lang/rust-analyzer.git" rust-analyzer + check_repo "https://github.com/bitflags/bitflags.git" bitflags + check_repo "https://github.com/rust-lang/log.git" log + check_repo "https://github.com/rust-lang/mdBook.git" mdBook + check_repo "https://github.com/rust-lang/packed_simd.git" packed_simd + check_repo "https://github.com/rust-lang/rust-semverver.git" check_repo + check_repo "https://github.com/Stebalien/tempfile.git" tempfile + check_repo "https://github.com/rust-lang/futures-rs.git" futures-rs + check_repo "https://github.com/dtolnay/anyhow.git" anyhow + check_repo "https://github.com/dtolnay/thiserror.git" thiserror + check_repo "https://github.com/dtolnay/syn.git" syn + check_repo "https://github.com/serde-rs/serde.git" serde + check_repo "https://github.com/rust-lang/rustlings.git" rustlings + check_repo "https://github.com/rust-lang/rustup.git" rustup + check_repo "https://github.com/SergioBenitez/Rocket.git" Rocket + check_repo "https://github.com/rustls/rustls.git" rustls + check_repo "https://github.com/rust-lang/rust-bindgen.git" rust-bindgen + check_repo "https://github.com/hyperium/hyper.git" hyper + check_repo "https://github.com/actix/actix.git" actix + check_repo "https://github.com/denoland/deno.git" denoland_deno + + # cleanup temp dir + echo removing tmp_dir $tmp_dir + rm -rf $tmp_dir + + # figure out the exit code + for status in ${STATUSES[@]} + do + if [ $status -eq 1 ]; then + echo "formatting diff found 💔" + return 1 + fi + done + + echo "no diff found 😊" +} + +main |