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#!/bin/bash
# Generate a ChangeLog with git and bash
# Author: Sébastien Boisvert
firstCommit=$(git log|grep ^commit|tail -n1|awk '{print $2}')
totalNumberOfCommits=$(git log --pretty=oneline|wc -l)
echo HEAD > sortedTags.txt
git log|grep Author|sort |uniq|sed 's/Author: //g' > authors.txt
numberOfAuthors=$(cat authors.txt|wc -l)
for gitTag in $(git tag|grep "\.")
do
timeStamp=$(git log --pretty=format:%at -1 $gitTag)
echo "$timeStamp $gitTag"
done|sort -n -r|awk '{print $2}' >> sortedTags.txt
numberOfTags=$(cat sortedTags.txt|wc -l)
echo "$numberOfTags tags, $totalNumberOfCommits commits"
echo ""
for i in $(seq 1 $numberOfTags)
do
currentTag=$(head -n $i sortedTags.txt|tail -n1)
tagDate=$(git show $currentTag|grep ^Date|head -n1|sed 's/Date: //g')
previousTag=$firstCommit
if test $i -lt $numberOfTags
then
previousTag=$(head -n $(($i+1)) sortedTags.txt|tail -n1)
fi
currentCommit=$(git show $currentTag|grep ^commit|awk '{print $2}')
previousCommit=$(git show $previousTag|grep ^commit|awk '{print $2}')
numberOfCommits=$(git log --pretty=oneline $previousCommit..$currentCommit|wc -l)
echo "$currentTag $tagDate $numberOfCommits commits"
for author in $(seq 1 $numberOfAuthors)
do
authorName=$(head -n $author authors.txt|tail -n1)
git log --author="$authorName" --pretty=format:" %h %s" $previousCommit..$currentCommit > commits
numberOfAuthorCommits=$(cat commits|awk '{print $1}'|wc -w)
if test $numberOfAuthorCommits -gt 0
then
echo ""
echo " $authorName $numberOfAuthorCommits commits"
echo ""
cat commits
echo ""
fi
done
echo ""
done
rm sortedTags.txt
rm authors.txt
|
