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#!/bin/sh
Usage() {
cat <<EOF
Usage: ${0##*/} trunk-dir [next-upstream-version]
pull in new upstream snapshot from trunk-dir
Leaves file 'new-changes.log'
Example:
$ ${0##*/} ../trunk
# prepare bzr dir in . with new snapshot from ../trunk
$ dch --edit
# read changes in new-changes.log and write changelog
$ debcommit
$ dch --release
$ debcommit --release
EOF
}
fail() { echo "$@" 1>&2; exit 1; }
name="cloud-init"
[ $# -eq 0 ] && { Usage 1>&2; exit 1; }
[ "$1" = "-h" -o "$1" = "--help" ] && { Usage; exit 0; }
trunk=$1
revno=${2:-tip}
uver=${3:-0.7.7} # the *next* upstream version
[ -d "$trunk" ] ||
fail "trunk dir '$trunk' not a dir"
if [ "$revno" = "tip" ]; then
revno=$(cd "$trunk" && bzr revno) ||
fail "failed getting bzr revno from $trunk"
fi
pversion=$(dpkg-parsechangelog --show-field Version) ||
fail "failed to read previous version with dpkg-parsechangelog"
prevno=$(echo "$pversion" | sed 's,.*bzr\([0-9]\+\)-.*,\1,') ||
fail "fail reading previous bzr revision from previous version '$pversion'"
version=${uver}~bzr${revno}
tarball=${name}-${version}.tar.gz
t=../${name}_${version}.orig.tar.gz
if [ -f "$t" ]; then
echo "using '$t' as tarball" 1>&2
tarball="$t"
else
echo "creating $tarball with bzr export" 1>&2
bzr export --format=tgz "--revision=${revno}" "$tarball" "${trunk}" ||
fail "failed exporting bzr in $trunk to $tarball"
fi
bzr merge-upstream "$tarball" "--version=${version}" ||
fail "failed merge-upstream of $tarball at version=$version"
oldrev=$(($prevno+1))
( cd "$trunk" && bzr log -r "${oldrev}..${revno}" ) > new-changes.log ||
fail "failed to get changes from ${oldrev}..$revno"
cat <<EOF
====
Now see ./new-changes.log for changes between $oldrev and $revno
then:
$ dch --edit
# read changes in new-changes.log and write changelog
$ debcommit
$ dch --release
$ debcommit --release
$ debuild -S
EOF
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