mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-26 14:09:41 -08:00
136 lines
3.6 KiB
Bash
Executable file
136 lines
3.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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# vim: ts=2 et
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# Setting -x is absolutely forbidden as it could leak the GitHub token.
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set -uo pipefail
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# GITHUB_TOKEN required scope: repo.repo_public
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git_mail="prometheus-team@googlegroups.com"
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git_user="prombot"
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branch="repo_sync_codemirror"
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commit_msg="Update codemirror"
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pr_title="Synchronize codemirror from prometheus/prometheus"
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pr_msg="Propagating changes from prometheus/prometheus default branch."
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target_repo="prometheus/codemirror-promql"
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source_path="web/ui/module/codemirror-promql"
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color_red='\e[31m'
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color_green='\e[32m'
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color_yellow='\e[33m'
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color_none='\e[0m'
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echo_red() {
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echo -e "${color_red}$@${color_none}" 1>&2
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}
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echo_green() {
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echo -e "${color_green}$@${color_none}" 1>&2
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}
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echo_yellow() {
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echo -e "${color_yellow}$@${color_none}" 1>&2
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}
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GITHUB_TOKEN="${GITHUB_TOKEN:-}"
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if [ -z "${GITHUB_TOKEN}" ]; then
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echo_red 'GitHub token (GITHUB_TOKEN) not set. Terminating.'
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exit 1
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fi
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# List of files that should not be synced.
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excluded_files="CODE_OF_CONDUCT.md LICENSE Makefile.common SECURITY.md .yamllint MAINTAINERS.md"
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excluded_dirs=".github .circleci"
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# Go to the root of the repo
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cd "$(git rev-parse --show-cdup)" || exit 1
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source_dir="$(pwd)/${source_path}"
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tmp_dir="$(mktemp -d)"
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trap 'rm -rf "${tmp_dir}"' EXIT
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## Internal functions
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github_api() {
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local url
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url="https://api.github.com/${1}"
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shift 1
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curl --retry 5 --silent --fail -u "${git_user}:${GITHUB_TOKEN}" "${url}" "$@"
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}
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get_default_branch() {
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github_api "repos/${1}" 2> /dev/null |
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jq -r .default_branch
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}
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push_branch() {
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local git_url
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git_url="https://${git_user}:${GITHUB_TOKEN}@github.com/${1}"
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# stdout and stderr are redirected to /dev/null otherwise git-push could leak
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# the token in the logs.
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# Delete the remote branch in case it was merged but not deleted.
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git push --quiet "${git_url}" ":${branch}" 1>/dev/null 2>&1
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git push --quiet "${git_url}" --set-upstream "${branch}" 1>/dev/null 2>&1
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}
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post_pull_request() {
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local repo="$1"
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local default_branch="$2"
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local post_json
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post_json="$(printf '{"title":"%s","base":"%s","head":"%s","body":"%s"}' "${pr_title}" "${default_branch}" "${branch}" "${pr_msg}")"
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echo "Posting PR to ${default_branch} on ${repo}"
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github_api "repos/${repo}/pulls" --data "${post_json}" --show-error |
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jq -r '"PR URL " + .html_url'
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}
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process_repo() {
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local org_repo
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local default_branch
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org_repo="$1"
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mkdir -p "${tmp_dir}/${org_repo}"
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echo_green "Processing '${org_repo}'"
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default_branch="$(get_default_branch "${org_repo}")"
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if [[ -z "${default_branch}" ]]; then
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echo "Can't get the default branch."
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return
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fi
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echo "Default branch: ${default_branch}"
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# Clone target repo to temporary directory and checkout to new branch
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git clone --quiet "https://github.com/${org_repo}.git" "${tmp_dir}/${org_repo}"
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cd "${tmp_dir}/${org_repo}" || return 1
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git checkout -b "${branch}" || return 1
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git rm -r .
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cp -ra ${source_dir}/. .
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git add .
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for excluded_dir in ${excluded_dirs}; do
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git reset -- "${excluded_dir}/*"
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git checkout -- "${excluded_dir}/*"
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done
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for excluded_file in ${excluded_files}; do
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git reset -- "${excluded_file}"
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git checkout -- "${excluded_file}"
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done
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if [[ -n "$(git status --porcelain)" ]]; then
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git config user.email "${git_mail}"
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git config user.name "${git_user}"
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git add .
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git commit -s -m "${commit_msg}"
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if push_branch "${org_repo}"; then
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if ! post_pull_request "${org_repo}" "${default_branch}"; then
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return 1
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fi
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else
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echo "Pushing ${branch} to ${org_repo} failed"
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return 1
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fi
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fi
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}
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process_repo ${target_repo}
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