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#!/bin/bash
set -e
toplevel=$(readlink -f $(dirname $0)/..)
current_version=$(<$toplevel/VERSION)
pushd $toplevel > /dev/null
# Enforce clean repository (we are going to commit!)
if [ $(git status --porcelain -uno | wc -l) != "0" ]; then
echo "Dirty repository, commit or stash!"
exit 1
fi
# Enforce no fixups and no WIPs
tools/git-check-commits
# Compute the new version
case $1 in
patch)
new_version=$(awk -F. 'OFS="." { $3+=1; print; }' <<<"$current_version")
;;
minor)
new_version=$(awk -F. 'OFS="." { $2+=1; if ($1 < 3) print $1,$2; else print $1,$2,0; }' <<<"$current_version")
;;
*)
echo "Usage: $0 (minor|patch)"
echo "Commits the version update commit"
exit 2
esac
file=$(mktemp)
news=$(mktemp)
function cleanup() {
rm -f $file $news
}
trap cleanup EXIT ERR
# Prepare the NEWS file
echo "## Releasing version $new_version ##" >> $file
echo -n "########################" >> $file
sed 's/./#/g' <<<"$new_version" >> $file
echo >> $file
news_headline="Version $new_version ($(date +%F))"
echo $news_headline >> $file
git log --oneline v$current_version..HEAD | sed -r 's/^([^ ]+) (.*)/# commit \1\n o \2/' >> $file
echo >> $file
echo "# Empty the file to cancel the commit." >> $file
echo "# Do not change the Version header." >> $file
# Edit the NEWS file
$(git var GIT_EDITOR) $file
# Collect the result
if ! egrep -v '^(#.*)?$' $file > $news; then
echo "Release canceled"
exit 1
fi
# Check whether the result is correct
if [ "$news_headline" != "$(head -n1 $news)" ]; then
echo "Garbled headline, got $(head -n1 $news)"
exit 1
fi
badlines=$(tail -n+2 $news | grep -v '^ [o ] ' | wc -l)
if [ "$badlines" != 0 ]; then
echo "Garbled news file, offending lines:"
tail -n+2 $news | grep -v '^ [o ] '
exit 1
fi
# Do the changes in the repository: NEWS, bird.spec and VERSION
echo >> $news
cat NEWS >> $news
mv $news NEWS
sed -i "s/^Version: $current_version\$/Version: $new_version/" misc/bird.spec
echo $new_version > VERSION
# Commit!
git commit -m "NEWS and version update" -- NEWS VERSION misc/bird.spec
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