shell-scripting/build_static_rsync

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#!/usr/bin/env bash
# Usage: ./build_static_rsync
# or
# bash build_static_rsync
# Description: Download newest stable rsync release and
# compiles a static binary
# Author: Patrick Neumann (patrick@neumannsland.de)
# Platform: Debian or Raspbian GNU/Linux (tested: 9.5)
# Version: 1.0
# Date: 06.07.2018
# License: GPL3
# Warranty: This program is distributed WITHOUT ANY WARRANTY
# autodetect arch:
ARCH="$( /bin/uname --machine )"
# autodetect release or do it manualy:
RELEASE="$( /usr/bin/curl -s https://rsync.samba.org/ \
| /bin/grep -E "Rsync version [[:digit:]]\.[[:digit:]]{1,2}\.[[:digit:]]{1,2} released" \
| /usr/bin/head -n 1 \
| /bin/grep -o -E "[[:digit:]]\.[[:digit:]]{1,2}\.[[:digit:]]{1,2}" )"
#VERSION="3.1.3"
/usr/bin/test -n "${RELEASE}" || ( echo "Release detection failed - please edit script manually" ; exit 1 )
# dependencies (static libs):
if [ ! -f /usr/share/build-essential/list ] ; then /usr/bin/sudo /usr/bin/apt install build-essential --assume-yes ; fi
if [ ! -f /usr/lib/*-linux-gnu*/libc.a ] ; then /usr/bin/sudo /usr/bin/apt install libc6-dev --assume-yes ; fi
if [ ! -f /usr/lib/*-linux-gnu*/libpopt.a ] ; then /usr/bin/sudo /usr/bin/apt install libpopt-dev --assume-yes ; fi
if [ ! -f /usr/bin/yodl2man ] ; then /usr/bin/sudo /usr/bin/apt install yodl --assume-yes ; fi
# downloading...
/usr/bin/wget https://download.samba.org/pub/rsync/rsync-${RELEASE}.tar.gz
# extracting...
/bin/tar xzf rsync-${RELEASE}.tar.gz
# compiling and stripping...
cd rsync-${RELEASE}/
./configure
/usr/bin/make CFLAGS="-I./popt -I./zlib -static" EXEEXT="-${ARCH}-${RELEASE}"
/usr/bin/strip rsync-${ARCH}-${RELEASE}
# final instructions:
echo
echo "Ready to copy:"
echo
echo " cp $PWD/rsync-${ARCH}-${RELEASE} /media/POLICE/"
echo
exit 0