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#!/bin/sh
#
# Simple script to fetch the latest commits via the github API. Requires
# curl and jq. Uses unauthenticated access which is ratelimited to 60
# queries per hour.
REPOS_URL=https://api.github.com/repos/CHERIoT-Platform
MAX_DATE=1970101
tmpfile=`mktemp -t gen-Makefile.snapshot`
query_repo()
{
curl ${REPOS_URL}/$1/branches/cheriot > $tmpfile
# Accumulate the dates of the last commits to find the snapshot date
committime=`jq -r '.commit.commit.committer.date' $tmpfile`
committime=${committime%%T*}
year=${committime%%-*}
month=${committime%-*}
month=${month#*-}
day=${committime##*-}
dateint=${year}${month}${day}
if [ $dateint -gt $MAX_DATE ]; then
export MAX_DATE=$dateint
fi
SHA=`jq -r '.commit.sha' $tmpfile`
}
query_repo llvm-project
LLVM_COMMIT=$SHA
cat <<EOF > Makefile.snapshot
# Generated file! Do not edit!
#
# Generated by: files/gen-Makefile.snapshot.sh.
#
LLVM_MAJOR= 21
LLVM_RELEASE= \${LLVM_MAJOR}.1.1
SNAPDATE= ${MAX_DATE}
LLVM_COMMIT= ${LLVM_COMMIT}
EOF
rm -f $tmpfile
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