unbound-redis-apk/unbound/build.sh

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2023-10-20 13:06:49 +02:00
#!/usr/bin/env sh
# exit on error
set -e
# variables
unbound_dir="/tmp/unbound"
src_dir="$unbound_dir/src"
# functions
function checkEnvironment() {
[[ -n "$VERSION" ]] && return
printf "environment variable 'VERSION' is unset, defaulting to 'latest'...\n"
VERSION="latest"
}
function checkAndExtractArchive() {
cd "$src_dir"
archive="$(find "$src_dir" -type f -iname 'unbound*.tar.gz' -exec basename {} \;)"
[[ -n "$archive" ]] && tar -xzf "$archive" && rm -f "$archive" && return
archive="$(find "$src_dir" -type f -iname 'unbound*.zip' -exec basename {} \;)"
[[ -z "$archive" ]] && return
unzip -q "$archive" -d "$(basename -s ".zip" $archive)" && rm -f "$archive"
}
function getPkgVersion() {
pkgver="$(find "$src_dir" -type d -iname 'unbound*' -exec sh -c "realpath {} | cut -d "-" -f2" \;)"
}
function downloadSources() {
mkdir -p "$src_dir"
cd "$src_dir"
wget "https://nlnetlabs.nl/downloads/unbound/unbound-$VERSION.tar.gz"
tar -xzf "unbound-$VERSION.tar.gz"
rm -f "unbound-$VERSION.tar.gz"
}
# main routine
printf "starting build process for unbound with redis support...\n"
# check if an archive is in "$src_dir" present and extract it
checkAndExtractArchive
# check if a valid version has been copied to "$src_dir"
getPkgVersion
# if no valid version could be found, start a download
if [[ -z "$pkgver" ]]; then
checkEnvironment
downloadSources
getPkgVersion
fi
# exit if no unbound version could be determined
[[ -z "$pkgver" ]] && printf "error: could not determine unbound version\n" && exit 1
# replace version in APKBUILD file
sed -i "s/pkgver=0.0.0/pkgver=$pkgver/" "$unbound_dir/APKBUILD"
# generate key pairs
printf "\n" | abuild-keygen -a
# generate checksums and start the build
cd "$unbound_dir"
abuild -F checksum
abuild -F -r
# move the built packages
[[ ! -d "/build" ]] && mkdir -p "/build"
rm -rf "/build/"*
find $HOME/packages -type f -iname '*.apk' -exec mv {} /build \;
# clean up
rm -rf "$unbound_dir"
printf ".apk files can be found at '/build'\n"
cd "/build"
ls -1