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path: root/auto-changelog.sh
blob: f9f577ade56c6e413b23a2d543145165ac8caa09 (plain) (tree)
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#! /bin/bash
# update tags
git fetch --tags
# get origin
URL='https://github.com/MetaMask/metamask-extension'
# get git logs from last tag until HEAD, pretty by 'subject::body' filtered by grep for PRs made with Github squash merge or Github regular merge
LOG=$(git log $(git describe --tags $(git rev-list --tags --max-count=1))..HEAD --pretty="%s::%b" --reverse --grep="Merge pull request #" --grep="(#");
while read -r line; do
    # get git log subject
    SUBJECT=$(echo $line | sed -E 's/(.*):{2}(.*)/\1/')
    # get git log PR id, PR made with Github squash merge or Github regular merge
    PR=$(echo $SUBJECT | sed 's/^.*(#\([^&]*\)).*/\1/' | sed 's/^.*#\([^&]*\) from.*/\1/')
    # if PR made with Github squash merge, subject is the body
    if [ -z "$(echo $line | sed -E 's/(.*):{2}(.*)/\2/')" ]; then
        BODY=$(echo $SUBJECT | sed "s/(#$PR)//g"); else
        BODY=$(echo $line | sed -E 's/(.*):{2}(.*)/\2/') 
    fi
    # add entry to CHANGELOG
    if [[ "$OSTYPE" == "linux-gnu" ]]; then
        sed -i'' '/## Current Develop Branch/a\
- [#'"$PR"']('"$URL"'/pull/'"$PR"'): '"$BODY"''$'\n' CHANGELOG.md; else
        sed -i '' '/## Current Develop Branch/a\
- [#'"$PR"']('"$URL"'/pull/'"$PR"'): '"$BODY"''$'\n' CHANGELOG.md;
    fi
done <<< "$LOG"
echo 'CHANGELOG updated'