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#!/usr/bin/env bash
# Usage:
# ./format
#
# Run `rustfmt` on all the Rust source files in this project, modifying them in
# place. Usually, one would use `cargo fmt` for this task, but that seems to be
# broken for me at the moment.
RUSTFMT=""
function maybe_set() {
if [[ $RUSTFMT == "" && -f "$1" ]]; then
RUSTFMT="$1"
fi
}
maybe_set ~/.multirust/toolchains/nightly/cargo/bin/rustfmt
maybe_set ~/.cargo/bin/rustfmt
maybe_set $(which rustfmt)
if [[ $RUSTFMT == "" ]]; then
echo "$0: error: could not find an appropriate rustfmt binary!"
exit 1
fi
echo "$0: using rustfmt=$RUSTFMT"
cd $(dirname $0)
RUST_FILES=$(find src -type f -name '*.rs')
$RUSTFMT -v --write-mode replace $RUST_FILES 2>&1 \
| xargs -I '{}' echo "rustfmt: {}"
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