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openzeppelin-contracts/scripts/upgradeable/transpile-onto.sh

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#!/usr/bin/env bash
set -euo pipefail
if [ $# -lt 1 ]; then
echo "usage: bash $0 <target> [<base>]" >&2
exit 1
fi
set -x
target="$1"
base="${2-}"
bash scripts/upgradeable/transpile.sh
commit="$(git rev-parse --short HEAD)"
branch="$(git rev-parse --abbrev-ref HEAD)"
git add contracts
# detach from the current branch to avoid making changes to it
git checkout --quiet --detach
# switch to the target branch, creating it if necessary
if git rev-parse -q --verify "$target"; then
# if the branch exists, make it the current HEAD without checking out its contents
git reset --soft "$target"
git checkout "$target"
else
# if the branch doesn't exist, create it as an orphan and check it out
git checkout --orphan "$target"
if [ -n "$base" ] && git rev-parse -q --verify "$base"; then
# if base was specified and it exists, set it as the branch history
git reset --soft "$base"
fi
fi
# commit if there are changes to commit
if ! git diff --quiet --cached; then
git commit -m "Transpile $commit"
fi
git checkout "$branch"