playbook/.gitea/ci/prepare_repo.sh

52 lines
1.4 KiB
Bash

#!/usr/bin/env bash
# Clones or updates the repo to WORKSPACE_DIR/<repo-name> and checks out the
# target commit. Sets REPO_DIR in $GITHUB_ENV on success.
#
# Required env vars (provided by GitHub Actions context):
# WORKSPACE_DIR, GITHUB_SERVER_URL, GITHUB_REPOSITORY, github.sha,
# github.ref, github.ref_name, github.event.repository.name
# Optional:
# WORKFLOW secret (used as OAuth token for private repos)
set -euo pipefail
REPO_NAME="${REPO_NAME}"
REPO_DIR="${WORKSPACE_DIR}/${REPO_NAME}"
TOKEN="${TOKEN:-}"
if [ -n "$TOKEN" ]; then
REPO_URL="https://oauth2:${TOKEN}@${GITHUB_SERVER_URL#https://}/${GITHUB_REPOSITORY}.git"
else
REPO_URL="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git"
fi
if [ -d "$REPO_DIR" ]; then
if [ -d "$REPO_DIR/.git" ]; then
cd "$REPO_DIR"
git clean -fdx
git reset --hard
git fetch --all --tags --force --prune --prune-tags
else
rm -rf "$REPO_DIR"
fi
fi
if [ ! -d "$REPO_DIR/.git" ]; then
mkdir -p "$WORKSPACE_DIR"
git clone "$REPO_URL" "$REPO_DIR"
cd "$REPO_DIR"
fi
if git -C "$REPO_DIR" cat-file -e "${TARGET_SHA}^{commit}" 2>/dev/null; then
git -C "$REPO_DIR" checkout -f "$TARGET_SHA"
else
if [ -n "${TARGET_REF:-}" ]; then
git -C "$REPO_DIR" fetch origin "$TARGET_REF"
git -C "$REPO_DIR" checkout -f FETCH_HEAD
else
git -C "$REPO_DIR" checkout -f "$TARGET_REF_NAME"
fi
fi
git config --global --add safe.directory "$REPO_DIR"
echo "REPO_DIR=$REPO_DIR" >> "$GITHUB_ENV"