[UTILS] Add build-debs-native.sh script.

scripts/packaging/build/README.md

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+# Build Scripts
+
+This directory contains scripts for building FreeSWITCH.
+
+## build-debs-native.sh
+Builds Debian packages for FreeSWITCH from git tree on supported Debian distributions.
+
+### TLDR: Example running from FreeSWITCH git root
+```bash
+scripts/packaging/fsget.sh pat_hFooBar
+scripts/packaging/build/build-debs-native.sh -b 999 -o /tmp/fsdebs/
+```
+
+### Prerequisites
+- Root access is recommended
+- Supported Debian system and architecture
+- FreeSWITCH git repository in the working directory
+- FreeSWITCH Debian repository configured (use `fsget.sh`)
+
+### Features
+- Automated dependency installation
+- FreeSWITCH Debian (source) package creation
+
+### Usage
+```bash
+./build-debs-native.sh -b BUILD_NUMBER -o OUTPUT_DIR [-w WORKING_DIR]
+```
+
+Required:
+- `-b`: Build number (part of package version)
+- `-o`: Output directory for packages
+
+Optional:
+- `-w`: Working directory (defaults to git root, needs to be git tree)
+
+### Output
+Generates `.deb`, `.dsc`, `.changes`, and `.tar.*` files in the output directory.

scripts/packaging/build/build-debs-native.sh

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+#!/bin/bash
+
+# lint: shfmt -w -s -bn -ci -sr -fn scripts/packaging/build/build-debs-native.sh
+
+set -e          # Exit immediately if a command exits with a non-zero status
+set -u          # Treat unset variables as an error
+set -o pipefail # Return value of a pipeline is the value of the last (rightmost) command to exit with a non-zero status
+
+print_usage()
+{
+	echo "Usage: $0 -b BUILD_NUMBER -o OUTPUT_DIR [-w WORKING_DIR]"
+	exit 1
+}
+
+WORKING_DIR=$(git rev-parse --show-toplevel 2> /dev/null || pwd -P)
+
+while getopts ":b:o:w:" opt; do
+	case ${opt} in
+		b) BUILD_NUMBER=$OPTARG ;;
+		o) OUTPUT_DIR=$OPTARG ;;
+		w) WORKING_DIR=$OPTARG ;;
+		\?) print_usage ;;
+	esac
+done
+
+if [ -z "${BUILD_NUMBER:-}" ] || [ -z "${OUTPUT_DIR:-}" ]; then
+	print_usage
+fi
+
+if [ "$(id -u)" != "0" ]; then
+	echo "Non-root user detected. Execution may fail."
+fi
+
+cd "${WORKING_DIR}" || exit 1
+
+install_deps()
+{
+	apt-get update || echo "WARNING: apt-get update failed"
+	apt-get install -y \
+		apt-transport-https \
+		debhelper \
+		gnupg2 \
+		build-essential \
+		ca-certificates \
+		curl \
+		devscripts \
+		dh-autoreconf \
+		dos2unix \
+		doxygen \
+		lsb-release \
+		pkg-config \
+		wget || echo "WARNING: package installation failed"
+}
+
+export_vars()
+{
+	export CODENAME=$(lsb_release -sc)
+	if ! VERSION=$(cat ./build/next-release.txt | tr -d '\n'); then
+		echo "Failed to read version file" >&2
+		exit 1
+	fi
+	export GIT_SHA=$(git rev-parse --short HEAD)
+}
+
+setup_git_local()
+{
+	if [ -z "$(git config user.email)" ]; then
+		git config user.email "$(id -un)@localhost"
+	fi
+	if [ -z "$(git config user.name)" ]; then
+		git config user.name "$(id -un)"
+	fi
+	git config --add safe.directory '*'
+}
+
+bootstrap_freeswitch()
+{
+	./debian/util.sh prep-create-orig -n -V${VERSION}-${BUILD_NUMBER}-${GIT_SHA} -x
+	./debian/util.sh prep-create-dsc ${CODENAME}
+}
+
+install_freeswitch_deps()
+{
+	apt-get update || echo "WARNING: apt-get update failed"
+	mk-build-deps --install --remove debian/control \
+		--tool "apt-get --yes --no-install-recommends" || echo "WARNING: mk-build-deps failed"
+	apt-get --yes --fix-broken install || echo "WARNING: apt-get fix-broken failed"
+}
+
+build_source_package()
+{
+	dch -b -M -v "${VERSION}-${BUILD_NUMBER}-${GIT_SHA}~${CODENAME}" \
+		--force-distribution -D "${CODENAME}" "Nightly build, ${GIT_SHA}"
+
+	./debian/util.sh create-orig -n -V${VERSION}-${BUILD_NUMBER}-${GIT_SHA} -x
+}
+
+build_and_move()
+{
+	dpkg-source --diff-ignore=.* --compression=xz --compression-level=9 --build . \
+		&& debuild -b -us -uc \
+		&& mkdir -p "${OUTPUT_DIR}" \
+		&& mv -v ../*.{deb,dsc,changes,tar.*} "${OUTPUT_DIR}"/
+}
+
+main()
+{
+	install_deps
+	export_vars
+	setup_git_local
+	bootstrap_freeswitch
+	install_freeswitch_deps
+	build_source_package
+	build_and_move
+}
+
+main "$@"