fixing name consistency
This commit is contained in:
@@ -0,0 +1,336 @@
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name: Sync GitHub PR to Gitea
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on:
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pull_request_target:
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types:
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- opened
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- reopened
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- synchronize
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- edited
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- ready_for_review
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- converted_to_draft
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- closed
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permissions:
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contents: read
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pull-requests: read
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concurrency:
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group: gitea-pr-${{ github.event.pull_request.number }}
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cancel-in-progress: true
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jobs:
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sync:
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runs-on: ubuntu-latest
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env:
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GITEA_URL: ${{ vars.GITEA_URL }}
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GITEA_OWNER: ${{ vars.GITEA_OWNER }}
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GITEA_REPO: ${{ vars.GITEA_REPO }}
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GITEA_SSH_REMOTE: ${{ vars.GITEA_SSH_REMOTE }}
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GITEA_BASE_BRANCH: ${{ vars.GITEA_BASE_BRANCH }}
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GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
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GITEA_SSH_KEY: ${{ secrets.GITEA_SSH_KEY }}
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GITEA_KNOWN_HOSTS: ${{ secrets.GITEA_KNOWN_HOSTS }}
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GH_REPO_TOKEN: ${{ github.token }}
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steps:
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- name: Synchronize pull request
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shell: bash
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run: |
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set -Eeuo pipefail
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RequireVariable() {
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local variable_name="$1"
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if [[ -z "${!variable_name:-}" ]]; then
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echo "Missing required variable: ${variable_name}" >&2
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exit 1
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fi
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}
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ApiRequest() {
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local method="$1"
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local path="$2"
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local data="${3:-}"
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if [[ -n "${data}" ]]; then
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curl \
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--silent \
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--show-error \
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--fail-with-body \
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--request "${method}" \
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--header "Authorization: token ${GITEA_TOKEN}" \
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--header "Content-Type: application/json" \
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--data "${data}" \
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"${GITEA_URL%/}/api/v1${path}"
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else
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curl \
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--silent \
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--show-error \
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--fail-with-body \
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--request "${method}" \
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--header "Authorization: token ${GITEA_TOKEN}" \
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--header "Accept: application/json" \
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"${GITEA_URL%/}/api/v1${path}"
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fi
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}
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FindGiteaPullRequest() {
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local branch_name="$1"
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local page
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local response
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local pull_number
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for page in $(seq 1 100); do
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response="$(
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ApiRequest GET \
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"/repos/${GITEA_OWNER}/${GITEA_REPO}/pulls?state=all&page=${page}&limit=50"
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)"
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pull_number="$(
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jq \
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-r \
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--arg branch_name "${branch_name}" \
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--arg base_branch "${GITEA_BASE_BRANCH}" \
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'
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.[]
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| select(
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.head.ref == $branch_name
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and .base.ref == $base_branch
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)
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| (.number // .index)
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' \
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<<<"${response}" \
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| head -n 1
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)"
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if [[
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-n "${pull_number}"
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&& "${pull_number}" != "null"
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]]; then
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printf '%s\n' "${pull_number}"
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return 0
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fi
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if [[ "$(jq 'length' <<<"${response}")" -lt 50 ]]; then
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break
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fi
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done
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return 1
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}
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for variable_name in \
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GITEA_URL \
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GITEA_OWNER \
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GITEA_REPO \
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GITEA_SSH_REMOTE \
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GITEA_BASE_BRANCH \
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GITEA_TOKEN \
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GITEA_SSH_KEY \
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GITEA_KNOWN_HOSTS \
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GH_REPO_TOKEN; do
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RequireVariable "${variable_name}"
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done
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action="$(
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jq -r '.action' "${GITHUB_EVENT_PATH}"
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)"
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pr_number="$(
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jq -r '.pull_request.number' "${GITHUB_EVENT_PATH}"
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)"
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pr_title="$(
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jq -r '.pull_request.title' "${GITHUB_EVENT_PATH}"
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)"
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pr_body="$(
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jq -r '.pull_request.body // ""' "${GITHUB_EVENT_PATH}"
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)"
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pr_url="$(
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jq -r '.pull_request.html_url' "${GITHUB_EVENT_PATH}"
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)"
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pr_author="$(
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jq -r '.pull_request.user.login' "${GITHUB_EVENT_PATH}"
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)"
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expected_sha="$(
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jq -r '.pull_request.head.sha' "${GITHUB_EVENT_PATH}"
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)"
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github_base_branch="$(
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jq -r '.pull_request.base.ref' "${GITHUB_EVENT_PATH}"
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)"
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imported_branch="github-pr/${pr_number}"
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if [[
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"${github_base_branch}" != "${GITEA_BASE_BRANCH}"
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]]; then
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echo \
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"Ignoring PR #${pr_number}: base branch" \
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"${github_base_branch} is not ${GITEA_BASE_BRANCH}."
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exit 0
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fi
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install -d -m 700 "${HOME}/.ssh"
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printf '%s\n' "${GITEA_SSH_KEY}" \
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> "${HOME}/.ssh/id_ed25519"
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printf '%s\n' "${GITEA_KNOWN_HOSTS}" \
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> "${HOME}/.ssh/known_hosts"
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chmod 600 "${HOME}/.ssh/id_ed25519"
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chmod 644 "${HOME}/.ssh/known_hosts"
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repository_dir="$(mktemp -d)"
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trap 'rm -rf "${repository_dir}"' EXIT
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git -C "${repository_dir}" init --bare
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git -C "${repository_dir}" remote add github \
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"https://github.com/${GITHUB_REPOSITORY}.git"
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git -C "${repository_dir}" remote add gitea \
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"${GITEA_SSH_REMOTE}"
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github_basic_auth="$(
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printf \
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'x-access-token:%s' \
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"${GH_REPO_TOKEN}" \
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| base64 \
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| tr -d '\n'
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)"
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git -C "${repository_dir}" config \
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http.https://github.com/.extraheader \
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"AUTHORIZATION: basic ${github_basic_auth}"
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gitea_pull_number="$(
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FindGiteaPullRequest "${imported_branch}" || true
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)"
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if [[ "${action}" == "closed" ]]; then
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if [[ -n "${gitea_pull_number}" ]]; then
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close_payload="$(
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jq -n '{state: "closed"}'
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)"
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ApiRequest \
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PATCH \
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"/repos/${GITEA_OWNER}/${GITEA_REPO}/pulls/${gitea_pull_number}" \
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"${close_payload}" \
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>/dev/null
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fi
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git -C "${repository_dir}" push gitea \
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":refs/heads/${imported_branch}" \
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|| true
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exit 0
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fi
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git -C "${repository_dir}" fetch \
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--no-tags \
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github \
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"+refs/pull/${pr_number}/head:refs/remotes/github/pr/${pr_number}"
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fetched_sha="$(
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git -C "${repository_dir}" rev-parse \
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"refs/remotes/github/pr/${pr_number}"
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)"
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if [[ "${fetched_sha}" != "${expected_sha}" ]]; then
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echo \
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"Fetched ${fetched_sha}, expected ${expected_sha}." \
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"Refusing to synchronize." \
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>&2
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exit 1
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fi
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current_gitea_sha="$(
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git -C "${repository_dir}" ls-remote \
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gitea \
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"refs/heads/${imported_branch}" \
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| awk 'NR == 1 { print $1 }'
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)"
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if [[ -n "${current_gitea_sha}" ]]; then
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git -C "${repository_dir}" push \
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--force-with-lease="refs/heads/${imported_branch}:${current_gitea_sha}" \
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gitea \
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"refs/remotes/github/pr/${pr_number}:refs/heads/${imported_branch}"
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else
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git -C "${repository_dir}" push \
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gitea \
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"refs/remotes/github/pr/${pr_number}:refs/heads/${imported_branch}"
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fi
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marker="<!-- github-pr:${GITHUB_REPOSITORY}#${pr_number} -->"
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imported_body="$(cat <<EOF
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${marker}
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Imported from ${pr_url}.
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GitHub author: @${pr_author}
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GitHub head commit: \`${expected_sha}\`
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---
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${pr_body}
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EOF
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)"
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imported_title="[GitHub #${pr_number}] ${pr_title}"
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if [[ -z "${gitea_pull_number}" ]]; then
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create_payload="$(
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jq \
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-n \
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--arg base "${GITEA_BASE_BRANCH}" \
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--arg head "${imported_branch}" \
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--arg title "${imported_title}" \
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--arg body "${imported_body}" \
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'{
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base: $base,
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head: $head,
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title: $title,
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body: $body
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}'
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)"
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ApiRequest \
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POST \
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"/repos/${GITEA_OWNER}/${GITEA_REPO}/pulls" \
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"${create_payload}" \
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>/dev/null
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else
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update_payload="$(
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jq \
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-n \
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--arg title "${imported_title}" \
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--arg body "${imported_body}" \
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'{
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title: $title,
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body: $body,
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state: "open"
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}'
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)"
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ApiRequest \
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PATCH \
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"/repos/${GITEA_OWNER}/${GITEA_REPO}/pulls/${gitea_pull_number}" \
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"${update_payload}" \
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>/dev/null
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fi
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