secp256k1-zkp/contrib/sync-upstream.sh

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#!/usr/bin/env bash
set -eou pipefail
help() {
echo "$0 [-b <branch>] range [end]"
echo " merges every merge commit present in upstream and missing in <branch> (default: master)."
echo " If the optional [end] commit is provided, only merges up to [end]."
echo " If the optional [-b branch] provided, then ."
echo
echo "$0 [-b <branch>] select <commit> ... <commit>"
echo " merges every selected merge commit into <branch> (default: master)"
echo
echo "This tool creates a branch and a script that can be executed to create the"
echo "PR automatically. The script requires the github-cli tool (aka gh)."
echo ""
echo "Tip: \`git log --oneline upstream/master --merges\` shows merge commits."
exit 1
}
REMOTE=upstream
REMOTE_BRANCH="$REMOTE/master"
LOCAL_BRANCH="master"
# Makes sure you have a remote "upstream" that is up-to-date
setup() {
ret=0
git fetch "$REMOTE" &> /dev/null || ret="$?"
if [ ${ret} == 0 ]; then
return
fi
echo "Adding remote \"$REMOTE\" with URL git@github.com:bitcoin-core/secp256k1.git. Continue with y"
read -r yn
case $yn in
[Yy]* ) ;;
* ) exit 1;;
esac
git remote add "$REMOTE" git@github.com:bitcoin-core/secp256k1.git &> /dev/null
git fetch "$REMOTE" &> /dev/null
}
range() {
RANGESTART_COMMIT=$(git merge-base "$REMOTE_BRANCH" "$LOCAL_BRANCH")
RANGEEND_COMMIT=$(git rev-parse "$REMOTE_BRANCH")
if [ "$#" = 1 ]; then
RANGEEND_COMMIT=$1
fi
COMMITS=$(git --no-pager log --oneline --merges "$RANGESTART_COMMIT".."$RANGEEND_COMMIT")
COMMITS=$(echo "$COMMITS" | tac | awk '{ print $1 }' ORS=' ')
echo "Merging $COMMITS. Continue with y"
read -r yn
case $yn in
[Yy]* ) ;;
* ) exit 1;;
esac
}
# Process -b <branch> argument
while getopts "b:" opt; do
case $opt in
b)
LOCAL_BRANCH=$OPTARG
;;
\?)
echo "Invalid option: -$OPTARG" >&2
;;
esac
done
# Shift off the processed options
shift $((OPTIND -1))
if [ "$#" -lt 1 ]; then
help
fi
case $1 in
range)
shift
setup
range "$@"
REPRODUCE_COMMAND="$0 -b $LOCAL_BRANCH range $RANGEEND_COMMIT"
;;
select)
shift
setup
COMMITS=$*
REPRODUCE_COMMAND="$0 -b $LOCAL_BRANCH select $@"
;;
help)
help
;;
*)
help
esac
TITLE="Upstream PRs"
BODY=""
for COMMIT in $COMMITS
do
PRNUM=$(git log -1 "$COMMIT" --pretty=format:%s | sed s/'Merge \(bitcoin-core\/secp256k1\)\?#\([0-9]*\).*'/'\2'/)
TITLE="$TITLE $PRNUM,"
BODY=$(printf "%s\n%s" "$BODY" "$(git log -1 "$COMMIT" --pretty=format:%s | sed s/'Merge \(bitcoin-core\/secp256k1\)\?#\([0-9]*\)'/'[bitcoin-core\/secp256k1#\2]'/)")
done
# Remove trailing ","
TITLE=${TITLE%?}
BODY=$(printf "%s\n\n%s\n%s" "$BODY" "This PR can be recreated with \`$REPRODUCE_COMMAND\`." "Tip: Use \`git show --remerge-diff\` to show the changes manually added to the merge commit.")
echo "-----------------------------------"
echo "$TITLE"
echo "-----------------------------------"
echo "$BODY"
echo "-----------------------------------"
# Create branch from PR commit and create PR
git checkout "$LOCAL_BRANCH"
git pull --autostash
git checkout -b temp-merge-"$PRNUM"
# Escape single quote
# ' -> '\''
quote() {
local quoted=${1//\'/\'\\\'\'}
printf "%s" "$quoted"
}
TITLE=$(quote "$TITLE")
BODY=$(quote "$BODY")
BASEDIR=$(dirname "$0")
FNAME="$BASEDIR/gh-pr-create.sh"
cat <<EOT > "$FNAME"
#!/bin/sh
gh pr create -t '$TITLE' -b '$BODY' --web
# Remove temporary branch
git checkout "$LOCAL_BRANCH"
git branch -D temp-merge-"$PRNUM"
EOT
chmod +x "$FNAME"
echo Run "$FNAME" after solving the merge conflicts
git merge --no-edit -m "Merge commits '$COMMITS' into temp-merge-$PRNUM" $COMMITS