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#!/bin/bash
set -e
error() {
echo "$@" >&2
exit 1
}
if [ "$(git rev-parse --abbrev-ref HEAD)" != "master" ]; then
error "Current branch is not master!"
fi
if [ "$(git remote get-url upstream)" != "https://git.launchpad.net/cloud-init" ]; then
error "Need remote called 'upstream' pointing to https://git.launchpad.net/cloud-init!"
fi
remote_master=refs/remotes/upstream/master
master_version=$(git describe ${remote_master})
master_id=$(git show-ref --verify --hash ${remote_master})
tar=../cloud-init_${master_version}.orig.tar.xz
if [ -e ${tar} ]; then
error "${tar} already exists!"
fi
set -x
git archive --format=tar --prefix=cloud-init-${master_version}/ ${master_id} | xz > ${tar}
pristine-tar commit ${tar} ${master_id}
git update-ref refs/heads/upstream ${master_id}
git-dpm record-new-upstream ${tar} ${master_id}
dch -v ${master_version}-1 "New upstream snapshot."
git add debian/changelog
git commit --amend --message "Merge from master at ${master_version}"
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