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#! /usr/bin/env bash
# Will make sure you have rustfmt at the version in $VERSION, then format all the source code.
# Run with --only-format as the first argument to skip checking rustfmt version.
set -u
VERSION="0.8.3"
CMD="rustfmt"
INSTALL_CMD="cargo install --vers $VERSION --force $CMD"
function correct_rustfmt() {
if ! which $CMD; then
echo "$CMD is not installed" >&2
return 1
fi
local installed_version=$($CMD --version | cut -d' ' -f1)
if [[ "$installed_version" != "$VERSION" ]]; then
echo "Wrong version of $CMD installed. Expected $VERSION, got $installed_version" >&2
return 1
fi
return 0
}
if [[ "${1:-""}" != "--only-format" ]]; then
if ! correct_rustfmt; then
echo "Installing $CMD $VERSION"
$INSTALL_CMD
fi
else
shift
fi
find . -iname "*.rs" -not -path "*/target/*" -print0 | xargs -0 -n1 rustfmt "$@"
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