Build a deb of from the current branch

build-deb

#!/bin/bash

fail() { echo "$@" 1>&2; exit 1; }
cleanup() {
    rm -rf "$tmpd"
    git worktree prune
}

if [[ $1 = "-h" || $1 = "--help" ]]; then
    cat <<-EOF
	Usage: ${0##*/} [debuild options]

	Build a deb of from the current branch:
	 1. Run build-deb-prepare to prepare the debian/ dir and orig tarball.
	 2. Run debuild, passing it the provided options.
	 3. Cleanup the working tree.

	The generated files will be places in the parent directory, as in
	a normal debuild run.

	Example: ${0##*/} -us -uc
	EOF
    exit
fi

if [[ $(git status -s) ]]; then
    cat 1>&2 <<-EOF
	WARNING: There are uncommitted changes in your working directory.
	         These changes will not be included in the package.
	EOF
fi

scriptdir=$(dirname "${BASH_SOURCE[0]}")

tmpd=$(mktemp -d "${TMPDIR:-/tmp}/${0##*/}.XXXXXX") ||
    fail "failed to make tempdir"

wtd="${tmpd}/build-deb-worktree"

trap cleanup EXIT

git worktree add "$wtd" HEAD || fail "Failed worktree add $wtd"

pushd "$wtd" || fail "Failed to chdir to $wtd"
"$scriptdir/build-deb-prepare" || fail "Failed to run build-deb-prepare."
debuild "$@" || fail "debuild failed."
popd || fail "Failed to chdir to the initial source tree."

git worktree remove --force "$wtd"
cp "$tmpd/"* .