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30 lines
911 B
Bash
Executable File
30 lines
911 B
Bash
Executable File
#!/usr/bin/env bash
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set -e
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# This script the per-release changelog file for goreleaser to use
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# to publish to GitHub releases. It produces markdown output.
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# First we get the current and previous git tags.
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curTag=$(git tag --sort=-creatordate | head -n 1)
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prevTag=$(git tag --sort=-creatordate | head -n 2 | tail -n 1)
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# Then we run git diff on CHANGELOG.md;
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# and grep for only the added lines;
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# and stripping out the '+++ CHANGELOG.md' header line;
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# and stripping the leading '+' from each line
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# and getting rid of a superfluous starting newline.
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git diff "$prevTag" "$curTag" --no-ext-diff --unified=0 --exit-code -a --no-prefix -- ./CHANGELOG.md \
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| grep -E "^\+" \
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| grep -vF '## [v' \
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| grep -vF '+++ CHANGELOG.md' \
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| cut -c 2- \
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| tail -n +2
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# Then we add a section for the commits.
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printf "\n### Commits\n\n"
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echo '```text'
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git log --pretty=format:'%h %s%n' "$prevTag".."$curTag"
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echo '```'
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