mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-22 23:48:12 +00:00
55 lines
1.3 KiB
Bash
Executable File
55 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# script/toolchain-download: Download and extract the GNU Arm Embedded toolchain
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# for building the Trezor firmware.
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set -e
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cd "$(dirname "$0")/../vendor"
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readonly URL="https://launchpad.net/gcc-arm-embedded/5.0/5-2016-q2-update/+download/gcc-arm-none-eabi-5_4-2016q2-20160622-linux.tar.bz2"
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readonly SHA256SUM="9910b6b5df12efe564dbb3856bf1599d4c16178a6f28bd8a23c9e5c3edc219e4"
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readonly FILENAME="$(basename "$URL")"
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readonly DIRECTORY="gcc-arm-none-eabi-5_4-2016q2"
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if [ "$(uname)" != "Linux" ]; then
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printf "Unsupported platform\n" >&2
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exit 1
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fi
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validate_download() {
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printf "$SHA256SUM $FILENAME" | sha256sum -c
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}
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download_file() {
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curl -LC- "$URL" -o "$FILENAME"
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}
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extract_download() {
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local temporary_dir="$(mktemp -d ./toolchain.XXXXXXXXXX)"
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trap "rm -rf $temporary_dir" EXIT
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tar -xf "$FILENAME" -C "$temporary_dir"
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mv "$temporary_dir/$DIRECTORY" .
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rm -f "$FILENAME"
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}
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if [ ! -d "$DIRECTORY" ]; then
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if ! validate_download; then
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download_file
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validate_download
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fi
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extract_download
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fi
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# init toolchain as repository so Git will skip it
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git init -q "$DIRECTORY"
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# update toolchain symlink
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ln -snf "$DIRECTORY" toolchain
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# sanity-check extracted toolchain
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toolchain/bin/arm-none-eabi-gcc --version >/dev/null
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