2020-10-27 08:21:59 -05:00
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#!/bin/bash
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2019-05-29 02:36:59 -05:00
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set -e
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USAGE=$(cat <<"EOF"
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COMMANDS
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./miri install <flags>:
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Installs the miri driver and cargo-miri. <flags> are passed to `cargo
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2022-07-01 06:53:17 -05:00
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install`. Sets up the rpath such that the installed binary should work in any
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2022-07-14 12:08:09 -05:00
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working directory. However, the rustup toolchain when invoking `cargo miri`
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needs to be the same one used for `./miri install`.
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2019-05-29 02:36:59 -05:00
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./miri build <flags>:
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Just build miri. <flags> are passed to `cargo build`.
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2019-05-29 02:36:59 -05:00
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2020-03-21 11:43:28 -05:00
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./miri check <flags>:
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2022-07-01 06:53:17 -05:00
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Just check miri. <flags> are passed to `cargo check`.
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2020-03-21 11:43:28 -05:00
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2019-05-29 02:36:59 -05:00
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./miri test <flags>:
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Build miri, set up a sysroot and then run the test suite. <flags> are passed
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to the final `cargo test` invocation.
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./miri run <flags>:
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Build miri, set up a sysroot and then run the driver with the given <flags>.
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(Also respects MIRIFLAGS environment variable.)
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2019-05-29 02:36:59 -05:00
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2022-06-22 07:00:07 -05:00
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./miri fmt <flags>:
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Format all sources and tests. <flags> are passed to `rustfmt`.
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./miri clippy <flags>:
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Runs clippy on all sources. <flags> are passed to `cargo clippy`.
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2022-07-01 08:55:02 -05:00
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./miri many-seeds <command>:
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Runs <command> over and over again with different seeds for Miri. The MIRIFLAGS
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variable is set to its original value appended with ` -Zmiri-seed=$SEED` for
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many different seeds.
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2022-07-04 14:15:23 -05:00
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./miri bench <benches>:
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Runs the benchmarks from bench-cargo-miri in hyperfine. hyperfine needs to be installed.
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<benches> can explicitly list the benchmarks to run; by default, all of them are run.
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2019-05-29 02:36:59 -05:00
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ENVIRONMENT VARIABLES
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MIRI_SYSROOT:
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If already set, the "sysroot setup" step is skipped.
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CARGO_EXTRA_FLAGS:
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Pass extra flags to all cargo invocations.
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EOF
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)
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2019-05-28 12:01:43 -05:00
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2022-07-20 19:37:54 -05:00
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## We need to know where we are.
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# macOS does not have a useful readlink/realpath so we have to use Python instead...
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MIRIDIR=$(python3 -c 'import os, sys; print(os.path.dirname(os.path.realpath(sys.argv[1])))' "$0")
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## Run the auto-things.
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if [ -z "$AUTO_OPS" ]; then
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export AUTO_OPS=42
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# Run this first, so that the toolchain doesn't change after
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# other code has run.
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if [ -f "$MIRIDIR/.auto-everything" ] || [ -f "$MIRIDIR/.auto-toolchain" ] ; then
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"$MIRIDIR"/rustup-toolchain
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fi
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if [ -f "$MIRIDIR/.auto-everything" ] || [ -f "$MIRIDIR/.auto-fmt" ] ; then
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$0 fmt
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fi
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if [ -f "$MIRIDIR/.auto-everything" ] || [ -f "$MIRIDIR/.auto-clippy" ] ; then
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$0 clippy -- -D warnings
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fi
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fi
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## Determine command and toolchain.
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COMMAND="$1"
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[ $# -gt 0 ] && shift
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# Doing this *after* auto-toolchain logic above, since that might change the toolchain.
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TOOLCHAIN=$(cd "$MIRIDIR"; rustup show active-toolchain | head -n 1 | cut -d ' ' -f 1)
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## Handle some commands early, since they should *not* alter the environment.
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case "$COMMAND" in
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many-seeds)
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for SEED in $({ echo obase=16; seq 0 255; } | bc); do
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echo "Trying seed: $SEED"
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MIRIFLAGS="$MIRIFLAGS -Zmiri-seed=$SEED" $@ || { echo "Failing seed: $SEED"; break; }
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done
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exit 0
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;;
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bench)
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# Make sure we have an up-to-date Miri installed
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"$0" install
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# Run the requested benchmarks
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if [ -z "$@" ]; then
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BENCHES=( $(ls "$MIRIDIR/bench-cargo-miri" ) )
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else
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BENCHES=("$@")
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fi
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for BENCH in "${BENCHES[@]}"; do
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hyperfine -w 1 -m 5 --shell=none "cargo +$TOOLCHAIN miri run --manifest-path bench-cargo-miri/$BENCH/Cargo.toml"
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done
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exit 0
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;;
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esac
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## Prepare the environment
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# Determine some toolchain properties
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TARGET=$(rustc +$TOOLCHAIN --version --verbose | grep "^host:" | cut -d ' ' -f 2)
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SYSROOT=$(rustc +$TOOLCHAIN --print sysroot)
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LIBDIR=$SYSROOT/lib/rustlib/$TARGET/lib
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2019-05-29 02:39:49 -05:00
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if ! test -d "$LIBDIR"; then
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echo "Something went wrong determining the library dir."
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echo "I got $LIBDIR but that does not exist."
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echo "Please report a bug at https://github.com/rust-lang/miri/issues."
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exit 2
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fi
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2022-07-01 09:01:00 -05:00
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# Prepare flags for cargo and rustc.
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CARGO="cargo +$TOOLCHAIN"
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# Share target dir between `miri` and `cargo-miri`.
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if [ -z "$CARGO_TARGET_DIR" ]; then
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export CARGO_TARGET_DIR="$MIRIDIR/target"
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fi
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2022-07-18 16:47:32 -05:00
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# We configure dev builds to not be unusably slow.
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if [ -z "$CARGO_PROFILE_DEV_OPT_LEVEL" ]; then
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export CARGO_PROFILE_DEV_OPT_LEVEL=2
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fi
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2020-05-21 04:23:04 -05:00
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# We set the rpath so that Miri finds the private rustc libraries it needs.
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export RUSTFLAGS="-C link-args=-Wl,-rpath,$LIBDIR $RUSTFLAGS"
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2019-05-27 07:40:27 -05:00
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## Helper functions
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# Build a sysroot and set MIRI_SYSROOT to use it. Arguments are passed to `cargo miri setup`.
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build_sysroot() {
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# Build once, for the user to see.
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$CARGO run $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/cargo-miri/Cargo.toml -- miri setup "$@"
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# Call again, to just set env var.
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export MIRI_SYSROOT="$($CARGO run $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/cargo-miri/Cargo.toml -q -- miri setup --print-sysroot "$@")"
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}
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2022-07-01 06:53:17 -05:00
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# Prepare and set MIRI_SYSROOT. Respects `MIRI_TEST_TARGET` and takes into account
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# locally built vs. distributed rustc.
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find_sysroot() {
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if [ -n "$MIRI_SYSROOT" ]; then
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# Sysroot already set, use that.
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2019-08-09 04:29:10 -05:00
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return 0
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fi
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# We need to build a sysroot.
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if [ -n "$MIRI_TEST_TARGET" ]; then
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build_sysroot --target "$MIRI_TEST_TARGET"
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else
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build_sysroot
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fi
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}
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## Main
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# Run command.
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case "$COMMAND" in
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install)
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# "--locked" to respect the Cargo.lock file if it exists.
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$CARGO install $CARGO_EXTRA_FLAGS --path "$MIRIDIR" --force --locked "$@"
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$CARGO install $CARGO_EXTRA_FLAGS --path "$MIRIDIR"/cargo-miri --force --locked "$@"
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;;
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check)
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2020-03-21 11:43:28 -05:00
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# Check, and let caller control flags.
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$CARGO check $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml --all-targets "$@"
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$CARGO check $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/cargo-miri/Cargo.toml "$@"
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2020-03-21 11:43:28 -05:00
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;;
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build)
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# Build, and let caller control flags.
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$CARGO build $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml "$@"
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$CARGO build $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/cargo-miri/Cargo.toml "$@"
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2019-05-28 12:01:43 -05:00
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;;
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test|bless)
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# First build and get a sysroot.
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$CARGO build $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml
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find_sysroot
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if [ "$COMMAND" = "bless" ]; then
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2022-03-17 08:49:10 -05:00
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export MIRI_BLESS="Gesundheit"
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fi
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2019-05-28 12:01:43 -05:00
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# Then test, and let caller control flags.
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# Only in root project and ui_test as `cargo-miri` has no tests.
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$CARGO test $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml "$@"
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$CARGO test $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/ui_test/Cargo.toml "$@"
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2019-05-27 07:40:27 -05:00
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;;
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run)
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# Scan for "--target" to overwrite the "MIRI_TEST_TARGET" env var so
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# that we set the MIRI_SYSROOT up the right way.
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2022-07-03 07:35:44 -05:00
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FOUND_TARGET_OPT=0
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for ARG in "$@"; do
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if [ "$LAST_ARG" = "--target" ]; then
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# Found it!
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export MIRI_TEST_TARGET="$ARG"
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FOUND_TARGET_OPT=1
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break
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fi
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LAST_ARG="$ARG"
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done
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if [ "$FOUND_TARGET_OPT" = "0" ] && [ -n "$MIRI_TEST_TARGET" ]; then
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# Make sure Miri actually uses this target.
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MIRIFLAGS="$MIRIFLAGS --target $MIRI_TEST_TARGET"
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fi
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# First build and get a sysroot.
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$CARGO build $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml
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find_sysroot
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# Then run the actual command.
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exec $CARGO run $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml -- --sysroot "$MIRI_SYSROOT" $MIRIFLAGS "$@"
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2019-05-27 05:51:59 -05:00
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;;
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2022-06-22 07:00:07 -05:00
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fmt)
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find "$MIRIDIR" -not \( -name target -prune \) -name '*.rs' \
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| xargs rustfmt +$TOOLCHAIN --edition=2021 --config-path "$MIRIDIR/rustfmt.toml" "$@"
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2022-06-22 07:00:07 -05:00
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;;
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2022-06-29 17:14:41 -05:00
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clippy)
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2022-07-14 12:08:09 -05:00
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$CARGO clippy $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/Cargo.toml --all-targets "$@"
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$CARGO clippy $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/ui_test/Cargo.toml --all-targets "$@"
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$CARGO clippy $CARGO_EXTRA_FLAGS --manifest-path "$MIRIDIR"/cargo-miri/Cargo.toml "$@"
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2022-06-29 17:14:41 -05:00
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;;
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2019-05-29 02:36:59 -05:00
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*)
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2020-04-06 02:34:27 -05:00
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if [ -n "$COMMAND" ]; then
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echo "Unknown command: $COMMAND"
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echo
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fi
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2019-05-29 02:36:59 -05:00
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echo "$USAGE"
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exit 1
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2019-05-27 05:51:59 -05:00
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esac
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