47 lines
1.5 KiB
Bash
Executable File
47 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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set -e
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# Manages a rustup toolchain called "miri".
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#
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# All commands set "miri" as the override toolchain for the current directory,
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# and make the `rust-version` file match that toolchain.
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#
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# USAGE:
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#
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# ./rustup-toolchain: Update "miri" toolchain to match `rust-version` (the known-good version for this commit).
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#
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# ./rustup-toolchain HEAD: Update "miri" toolchain and `rust-version` file to latest rustc HEAD.
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#
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# ./rustup-toolchain $COMMIT: Update "miri" toolchain and `rust-version` file to match that commit.
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# Make sure rustup-toolchain-install-master is installed.
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if ! which rustup-toolchain-install-master >/dev/null; then
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echo "Please install rustup-toolchain-install-master by running 'cargo install rustup-toolchain-install-master'"
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exit 1
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fi
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# Determine new commit.
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if [[ "$1" == "" ]]; then
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NEW_COMMIT=$(cat rust-version)
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elif [[ "$1" == "HEAD" ]]; then
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NEW_COMMIT=$(git ls-remote https://github.com/rust-lang/rust/ HEAD | cut -f 1)
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else
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NEW_COMMIT="$1"
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fi
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echo "$NEW_COMMIT" > rust-version
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# Check if we already are at that commit.
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CUR_COMMIT=$(rustc +miri --version -v 2>/dev/null | egrep "^commit-hash: " | cut -d " " -f 2)
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if [[ "$CUR_COMMIT" == "$NEW_COMMIT" ]]; then
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echo "miri toolchain is already at commit $CUR_COMMIT."
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rustup override set miri
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exit 0
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fi
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# Install and setup new toolchain.
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rustup toolchain uninstall miri
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rustup-toolchain-install-master -n miri -c cargo -c rust-src -c rustc-dev -c llvm-tools -- "$NEW_COMMIT"
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rustup override set miri
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# Cleanup.
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cargo clean
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