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Upgrade mono repo to cosmocc 3.2

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The toolchain will now be downloaded going forward from multiple pinned
URLs which have shasums. Either wget or curl must be installed.

This change unblocks #1053
This commit is contained in:
Justine Tunney 2024-01-05 07:58:07 -08:00
parent a334f9cc33
commit 0de6a08988
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75 changed files with 183 additions and 19489 deletions
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build/download-cosmocc.sh Executable file
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#!/bin/sh
# cosmocc downloader script
# https://justine.lol/cosmo3/#install
# https://github.com/jart/cosmopolitan/blob/master/tool/cosmocc/README.md
# collect arguments
OUTPUT_DIR=${1:?OUTPUT_DIR}
COSMOCC_VERSION=${2:?COSMOCC_VERSION}
COSMOCC_SHA256SUM=${3:?COSMOCC_SHA256SUM}
URL1="https://github.com/jart/cosmopolitan/releases/download/${COSMOCC_VERSION}/cosmocc-${COSMOCC_VERSION}.zip"
URL2="https://cosmo.zip/pub/cosmocc/cosmocc-${COSMOCC_VERSION}.zip"
# helper function
abort() {
printf '%s\n' "download terminated." >&2
exit 1
}
# exit if already downloaded
# we need it because directory timestamps work wierdly
OUTPUT_DIR=${OUTPUT_DIR%/}
if [ -d "${OUTPUT_DIR}" ]; then
exit 0
fi
# find commands we need to securely download cosmocc
if ! UNZIP=$(command -v unzip 2>/dev/null); then
printf '%s\n' "$0: fatal error: you need the unzip command" >&2
printf '%s\n' "please download https://cosmo.zip/pub/cosmos/bin/unzip and put it on the system path" >&2
abort
fi
if ! SHA256SUM=$(command -v sha256sum 2>/dev/null); then
if [ ! -f build/sha256sum.c ]; then
printf '%s\n' "$0: fatal error: you need to install sha256sum" >&2
printf '%s\n' "please download https://cosmo.zip/pub/cosmos/bin/sha256sum and put it on the system path" >&2
abort
fi
if ! SHA256SUM=$(command -v "$PWD/o/build/sha256sum" 2>/dev/null); then
if ! CC=$(command -v "$CC" 2>/dev/null); then
if ! CC=$(command -v cc 2>/dev/null); then
if ! CC=$(command -v cosmocc 2>/dev/null); then
printf '%s\n' "$0: fatal error: you need to install either sha256sum, cc, or cosmocc" >&2
printf '%s\n' "please download https://cosmo.zip/pub/cosmos/bin/sha256sum and put it on the system path" >&2
abort
fi
fi
fi
mkdir -p o/build || abort
SHA256SUM="$PWD/o/build/sha256sum"
printf '%s\n' "${CC} -w -O2 -o ${SHA256SUM} build/sha256sum.c" >&2
"${CC}" -w -O2 -o "${SHA256SUM}.$$" build/sha256sum.c || abort
mv -f "${SHA256SUM}.$$" "${SHA256SUM}" || abort
fi
fi
if WGET=$(command -v wget 2>/dev/null); then
DOWNLOAD=$WGET
DOWNLOAD_ARGS=-O
elif CURL=$(command -v curl 2>/dev/null); then
DOWNLOAD=$CURL
DOWNLOAD_ARGS=-fLo
else
printf '%s\n' "$0: fatal error: you need to install either wget or curl" >&2
printf '%s\n' "please download https://cosmo.zip/pub/cosmos/bin/wget and put it on the system path" >&2
abort
fi
# create temporary output directory
OLDPWD=$PWD
OUTPUT_TMP="${OUTPUT_DIR}.tmp.$$/"
mkdir -p "${OUTPUT_TMP}" || abort
cd "${OUTPUT_TMP}"
die() {
cd "${OLDPWD}"
rm -rf "${OUTPUT_TMP}"
abort
}
# download cosmocc toolchain
# multiple urls avoids outages and national firewalls
if ! "${DOWNLOAD}" ${DOWNLOAD_ARGS} cosmocc.zip "${URL1}"; then
rm -f cosmocc.zip
"${DOWNLOAD}" ${DOWNLOAD_ARGS} cosmocc.zip "${URL2}" || die
fi
printf '%s\n' "${COSMOCC_SHA256SUM} *cosmocc.zip" >cosmocc.zip.sha256sum
"${SHA256SUM}" -c cosmocc.zip.sha256sum || die
"${UNZIP}" cosmocc.zip || die
rm -f cosmocc.zip cosmocc.zip.sha256sum
# commit output directory
cd "${OLDPWD}" || die
mv "${OUTPUT_TMP}" "${OUTPUT_DIR}" || die