mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-10 07:34:04 -08:00
71 lines
2.6 KiB
Bash
Executable file
71 lines
2.6 KiB
Bash
Executable file
#!/bin/bash
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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="makefile_common"
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commit_msg="makefile: update Makefile.common with newer version"
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pr_title="Synchronize Makefile.common from prometheus/prometheus"
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pr_msg="Propagating changes from master Makefile.common located in prometheus/prometheus."
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org="prometheus"
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GITHUB_TOKEN="${GITHUB_TOKEN:-}"
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if [ -z "${GITHUB_TOKEN}" ]; then
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echo -e "\e[31mGitHub token (GITHUB_TOKEN) not set. Terminating.\e[0m"
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exit 1
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fi
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# Go to the root of the repo
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cd "$(git rev-parse --show-cdup)"
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source_makefile="$(pwd)/Makefile.common"
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source_checksum="$(sha256sum Makefile.common | cut -d' ' -f1)"
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tmp_dir=$(mktemp -d)
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trap "rm -rf ${tmp_dir}" EXIT
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# Iterate over all repositories in ${org}. The GitHub API can return 100 items
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# at most but it should be enough for us as there are less than 40 repositories
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# currently.
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curl --retry 5 --silent -u "${git_user}:${GITHUB_TOKEN}" https://api.github.com/users/${org}/repos?per_page=100 2>/dev/null | jq -r '.[] | select( .name != "prometheus" ) | .name' | while read -r; do
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repo="${REPLY}"
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echo -e "\e[32mAnalyzing '${repo}'\e[0m"
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target_makefile="$(curl -s --fail "https://raw.githubusercontent.com/${org}/${repo}/master/Makefile.common")"
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if [ -z "${target_makefile}" ]; then
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echo "Makefile.common doesn't exist in ${repo}"
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continue
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fi
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target_checksum="$(echo ${target_makefile} | sha256sum | cut -d' ' -f1)"
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if [ "${source_checksum}" == "${target_checksum}" ]; then
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echo "Makefile.common is already in sync."
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continue
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fi
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# Clone target repo to temporary directory and checkout to new branch
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git clone --quiet "https://github.com/${org}/${repo}.git" "${tmp_dir}/${repo}"
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cd "${tmp_dir}/${repo}"
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git checkout -b "${branch}"
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# Replace Makefile.common in target repo by one from prometheus/prometheus
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cp -f "${source_makefile}" ./
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if [ -n "$(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 "${commit_msg}"
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# stdout and stderr are redirected to /dev/null otherwise git-push could leak the token in the logs.
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if git push --quiet "https://${GITHUB_TOKEN}:@github.com/${org}/${repo}" --set-upstream "${branch}" 1>/dev/null 2>&1; then
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curl --show-error --silent \
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-u "${git_user}:${GITHUB_TOKEN}" \
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-X POST \
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-d "{\"title\":\"${pr_title}\",\"base\":\"master\",\"head\":\"${branch}\",\"body\":\"${pr_msg}\"}" \
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"https://api.github.com/repos/${org}/${repo}/pulls"
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fi
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fi
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done
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