CBL-Mariner/SPECS/coredns/generate_source_tarball.sh

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#!/bin/bash
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# Quit on failure
set -e
PKG_VERSION=""
SRC_TARBALL=""
OUT_FOLDER="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
# parameters:
#
# --srcTarball : src tarball file
# this file contains the 'initial' source code of the component
# and should be replaced with the new/modified src code
# --outFolder : folder where to copy the new tarball(s)
# --pkgVersion : package version
#
PARAMS=""
while (( "$#" )); do
case "$1" in
--srcTarball)
if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
SRC_TARBALL=$2
shift 2
else
echo "Error: Argument for $1 is missing" >&2
exit 1
fi
;;
--outFolder)
if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
OUT_FOLDER=$2
shift 2
else
echo "Error: Argument for $1 is missing" >&2
exit 1
fi
;;
--pkgVersion)
if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
PKG_VERSION=$2
shift 2
else
echo "Error: Argument for $1 is missing" >&2
exit 1
fi
;;
-*|--*=) # unsupported flags
echo "Error: Unsupported flag $1" >&2
exit 1
;;
*) # preserve positional arguments
PARAMS="$PARAMS $1"
shift
;;
esac
done
echo "--srcTarball -> $SRC_TARBALL"
echo "--outFolder -> $OUT_FOLDER"
echo "--pkgVersion -> $PKG_VERSION"
if [ -z "$PKG_VERSION" ]; then
echo "--pkgVersion parameter cannot be empty"
exit 1
fi
echo "-- create temp folder"
tmpdir=$(mktemp -d)
function cleanup {
echo "+++ cleanup -> remove $tmpdir"
rm -rf $tmpdir
}
trap cleanup EXIT
pushd $tmpdir > /dev/null
NAME_VER="coredns-$PKG_VERSION"
VENDOR_TARBALL="$OUT_FOLDER/$NAME_VER-vendor.tar.gz"
echo "Unpacking source tarball..."
tar -xf $SRC_TARBALL
cd "$NAME_VER"
echo "Get vendored modules"
go mod vendor
echo "Tar vendored modules"
tar --sort=name \
--mtime="2021-04-26 00:00Z" \
--owner=0 --group=0 --numeric-owner \
--pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime \
-cf "$VENDOR_TARBALL" vendor
popd > /dev/null
echo "Coredns vendore modules are available at $VENDOR_TARBALL"