3b39ca350c
There is a great deal of lines about Greenkeeper merges in the changelog, making it hard to find real changes to the code. This commit modifies the changelog task to exclude such lines.
70 lines
1.8 KiB
Bash
Executable File
70 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Generate a Markdown-formatted changelog from merge commits.
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#
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set -o errexit
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#
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# Regex to match the standard pull request commit message. Creates capture
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# groups for pull request number, GitHub username, and commit message body.
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#
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MERGE_RE=Merge\ pull\ request\ #\([0-9]+\)\ from\ \([^/]+\)\/[^\ ]+\ \(.*\)
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#
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# Regex to match the squash commit message. Creates capture groups for git
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# author, commit subject and pull request number.
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#
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SQUASH_RE='([^\|]+)\|([^\(]+) \(#([0-9]+)\)'
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GITHUB_URL=https://github.com
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PULLS_URL=${GITHUB_URL}/openlayers/openlayers/pull
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display_usage() {
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cat <<-EOF
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Usage: ${1} <revision range>
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Creates a Markdown-formatted changelog given a revision range.
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E.g.
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${1} v3.0.0.. > changelog/v3.1.0.md
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See git-log(1) for details on the revision range syntax.
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EOF
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}
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#
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# Scan the git log for merge commit messages and output Markdown. This only
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# follows the first parent of merge commits to avoid merges within a topic
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# branch (instead only showing merges to master).
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#
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main() {
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git log --first-parent --format='%aN|%s %b' ${1} |
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{
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while read l; do
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if ! [[ ${l} =~ "openlayers/greenkeeper" ]] ; then
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if [[ ${l} =~ ${MERGE_RE} ]] ; then
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number="${BASH_REMATCH[1]}"
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author="${BASH_REMATCH[2]}"
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summary="${BASH_REMATCH[3]}"
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echo " * [#${number}](${PULLS_URL}/${number}) - ${summary} ([@${author}](${GITHUB_URL}/${author}))"
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elif [[ ${l} =~ ${SQUASH_RE} ]] ; then
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number="${BASH_REMATCH[3]}"
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author="${BASH_REMATCH[1]}"
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summary="${BASH_REMATCH[2]}"
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echo " * [#${number}](${PULLS_URL}/${number}) - ${summary} ([${author}](${GITHUB_URL}/search?q=${author}&type=Users))"
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fi
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fi
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done
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}
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}
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if test ${#} -ne 1; then
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display_usage ${0}
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exit 1
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else
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main ${1}
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fi
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