mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 08:52:06 +00:00
113 lines
4.6 KiB
Bash
Executable File
113 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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set -e
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branch="$1"
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merge_base=$(git merge-base origin/master "origin/$branch")
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master_git_cmd=(git log "$merge_base..origin/master" --first-parent)
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# The history in back branches shouldn't be too crazy, and sometimes we have a PR
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# that merges several backport commits there (3f2cba6824fddf31c30bde8c6f4f860572f4f580),
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# so don't use --first-parent
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branch_git_cmd=(git log "$merge_base..origin/$branch")
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# Make lists of PRs that were merged into each branch. Use first parent here, or else
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# we'll get weird things like seeing older master that was merged into a PR branch
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# that was then merged into master.
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"${master_git_cmd[@]}" > master-log.txt
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"${branch_git_cmd[@]}" > "$branch-log.txt"
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# Check for diamond merges.
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diamonds_in_master=$("${master_git_cmd[@]}" --oneline --grep "Merge branch '")
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diamonds_in_branch=$("${branch_git_cmd[@]}" --oneline --grep "Merge branch '")
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if [ "$diamonds_in_master" != "" ] || [ "$diamonds_in_branch" != "" ]
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then
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echo "$diamonds_in_master"
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echo "$diamonds_in_branch"
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# DO NOT ADD automated handling of diamond merges to this script.
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# It is an unsustainable way to work with git, and it MUST be visible.
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echo Warning: suspected diamond merges above.
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echo Some commits will be missed, review these manually.
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fi
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# NOTE keep in sync with ./backport.sh.
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# Search for PR numbers in commit messages. First variant is normal merge, and second
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# variant is squashed. Next are some backport message variants.
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find_prs=(sed -n "s/^.*merg[eding]*.*#\([[:digit:]]\+\).*$/\1/Ip;
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s/^.*#\([[:digit:]]\+\))$/\1/p;
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s/^.*back[- ]*port[ed of]*.*#\([[:digit:]]\+\).*$/\1/Ip;
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s/^.*cherry[- ]*pick[ed of]*.*#\([[:digit:]]\+\).*$/\1/Ip")
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# awk is to filter out small task numbers from different task tracker, which are
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# referenced by documentation commits like '* DOCSUP-824: query log (#115)'.
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"${find_prs[@]}" master-log.txt | sort -rn | uniq | awk '$0 > 1000 { print $0 }' > master-prs.txt
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"${find_prs[@]}" "$branch-log.txt" | sort -rn | uniq | awk '$0 > 1000 { print $0 }' > "$branch-prs.txt"
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# Find all master PRs that are not in branch by calculating differences of two PR lists.
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grep -f "$branch-prs.txt" -F -x -v master-prs.txt > "$branch-diff-prs.txt"
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echo "$(wc -l < "$branch-diff-prs".txt) PRs differ between $branch and master."
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function github_download()
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{
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local url=${1}
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local file=${2}
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if ! [ -f "$file" ]
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then
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if ! curl -H "Authorization: token $GITHUB_TOKEN" \
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-sSf "$url" \
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> "$file"
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then
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>&2 echo "Failed to download '$url' to '$file'. Contents: '$(cat "$file")'."
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rm "$file"
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return 1
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fi
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sleep 0.1
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fi
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}
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rm "$branch-report.tsv" &> /dev/null ||:
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for pr in $(cat "$branch-diff-prs.txt")
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do
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# Download PR info from github.
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file="pr$pr.json"
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github_download "https://api.github.com/repos/ClickHouse/ClickHouse/pulls/$pr" "$file" || continue
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if ! [ "$pr" == "$(jq -r .number "$file")" ]
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then
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>&2 echo "Got wrong data for PR #$pr (please check and remove '$file')."
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continue
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fi
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action="skip"
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# First, check the changelog category. We port all bugfixes.
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if jq -r .body "$file" | grep -i "^- bug[ -]*fix" > /dev/null
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then
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action="backport"
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fi
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# Next, check the tag. They might override the decision. Checks are ordered by priority.
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labels="$(jq -r .labels[].name "$file")"
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if echo "$labels" | grep -x "pr-must-backport\|v$branch-must-backport" > /dev/null; then action="backport"; fi
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if echo "$labels" | grep -x "v$branch-conflicts" > /dev/null; then action="conflict"; fi
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if echo "$labels" | grep -x "pr-no-backport\|v$branch-no-backport" > /dev/null; then action="no-backport"; fi
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# FIXME Ignore "backported" labels for now. If we can't find the backport commit,
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# this means that the changelog script also won't be able to. An alternative
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# way to mark PR as backported is to add an empty commit with text like
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# "backported #12345", so that it can be found between tags and put in proper
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# place in changelog.
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#if echo "$labels" | grep -x "v$branch\|v$branch-backported" > /dev/null; then action="done"; fi
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# Find merge commit SHA for convenience
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merge_sha="$(jq -r .merge_commit_sha "$file")"
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url="https://github.com/ClickHouse/ClickHouse/pull/$pr"
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printf "%s\t%s\t%s\t%s\t%s\n" "$action" "$pr" "$url" "$file" "$merge_sha" >> "$branch-report.tsv"
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if [ "$action" == "backport" ]
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then
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printf "%s\t%s\t%s\n" "$action" "$url" "$merge_sha"
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fi
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done
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echo "Done."
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