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48 lines
1.5 KiB
48 lines
1.5 KiB
#!/usr/bin/env bash |
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# Copyright (c) 2020 The Bitcoin Core developers |
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# Distributed under the MIT software license, see the accompanying |
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# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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# |
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# Linter to check that commit messages have a new line before the body |
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# or no body at all |
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export LC_ALL=C |
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EXIT_CODE=0 |
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while getopts "?" opt; do |
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case $opt in |
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?) |
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echo "Usage: $0 [N]" |
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echo " COMMIT_RANGE='<commit range>' $0" |
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echo " $0 -?" |
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echo "Checks unmerged commits, the previous N commits, or a commit range." |
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echo "COMMIT_RANGE='47ba2c3...ee50c9e' $0" |
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exit ${EXIT_CODE} |
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;; |
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esac |
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done |
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if [ -z "${COMMIT_RANGE}" ]; then |
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if [ -n "$1" ]; then |
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COMMIT_RANGE="HEAD~$1...HEAD" |
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else |
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# This assumes that the target branch of the pull request will be master. |
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MERGE_BASE=$(git merge-base HEAD master) |
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COMMIT_RANGE="$MERGE_BASE..HEAD" |
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fi |
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fi |
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while IFS= read -r commit_hash || [[ -n "$commit_hash" ]]; do |
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n_line=0 |
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while IFS= read -r line || [[ -n "$line" ]]; do |
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n_line=$((n_line+1)) |
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length=${#line} |
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if [ $n_line -eq 2 ] && [ $length -ne 0 ]; then |
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echo "The subject line of commit hash ${commit_hash} is followed by a non-empty line. Subject lines should always be followed by a blank line." |
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EXIT_CODE=1 |
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fi |
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done < <(git log --format=%B -n 1 "$commit_hash") |
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done < <(git log "${COMMIT_RANGE}" --format=%H) |
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exit ${EXIT_CODE}
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