npbackup/RESTIC_SOURCE_FILES/update_restic.sh

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#!/usr/bin/env bash
# Quick script to update restic binaries
export ORG=restic
export REPO=restic
LATEST_VERSION=$(curl -s https://api.github.com/repos/${ORG}/${REPO}/releases/latest | grep "tag_name" | cut -d'"' -f4)
echo Latest restic version ${LATEST_VERSION}
errors=false
if [[ $(uname -s) == *"CYGWIN"* ]]; then
platforms=(windows_amd64 windows_386)
else
platforms=(linux_arm linux_arm64 linux_amd64 darwin_amd64 freebsd_amd64)
fi
for platform in "${platforms[@]}"; do
echo "Checking for ${platform}"
restic_filename="restic_${LATEST_VERSION//v}_${platform}"
if [ ! -f "${restic_filename}" ]; then
echo "Moving earlier version to archive"
[ -d ARCHIVES ] || mkdir ARCHIVES
mv -f restic_*_${platform} ARCHIVES/ > /dev/null 2>&1
mv -f restic_*_${platform}.exe ARCHIVES/ > /dev/null 2>&1
echo "Downloading ${restic_filename}"
if [ "${platform:0:7}" == "windows" ]; then
ext=zip
else
ext=bz2
fi
curl -OL https://github.com/restic/restic/releases/download/${LATEST_VERSION}/restic_${LATEST_VERSION//v}_{$platform}.${ext}
if [ $? -ne 0 ]; then
echo "Failed to download ${restic_filename}"
errors=true
else
if [ -f "${restic_filename}.bz2" ]; then
bzip2 -d "${restic_filename}.bz2" && chmod +x "${restic_filename}"
elif [ -f "${restic_filename}.zip" ]; then
unzip "${restic_filename}.zip"
else
echo "Archive ${restic_filename} not found"
errors=true
fi
if [ $? -ne 0 ]; then
echo "Failed to decompress ${restic_filename}.bz2"
errors=true
fi
[ -f "${restic_filename}.zip" ] && rm -f "${restic_filename}.zip"
fi
fi
done
if [ "${errors}" = true ]; then
echo "Errors occurred during update"
exit 1
else
echo "Finished updating restic binaries"
fi