rpmbuild_spec

#!/bin/bash
#
# Authors: Guo Yunhe <i@guoyunhe.me>
# Created: 2018-10-06
# Updated: 2018-10-11
# 
# Build RPM packages from a SPEC file. Automatically download sources from
# GitHub/GitLab/BitBucket.
# 
# Usage: ./build_package <package_name>
#
# Requires: rpm rpm-build nodejs npm

if [ -z "$1" ]; then
    echo "No pcakge name given!"
    echo "Usage: rpmbuild_spec <package_name>"
    exit
fi

ROOT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
REPO_DIR=$ROOT_DIR/repo
SPEC_DIR=$ROOT_DIR/spec

RPMBUILD_DIR=~/rpmbuild
RPMBUILD_SOURCES_DIR=$RPMBUILD_DIR/SOURCES
RPMBUILD_RPMS_DIR=$RPMBUILD_DIR/RPMS

SPEC_FILE=$SPEC_DIR/$1/$1.spec
SOURCE_URL=$(rpmspec -P $SPEC_FILE | grep -oP "Source0\:\s+\K\S+")
SOURCE_FILENAME=$(echo $SOURCE_URL | grep -oP "\#\/\K\S+")
SOURCE_FILE=$RPMBUILD_SOURCES_DIR/$SOURCE_FILENAME
PACKAGE_NAME=$1
PACKAGE_VERSION=$(rpmspec -P $SPEC_FILE | grep -oP "Version\:\s+\K\S+")
PACKAGE_RELEASE=$(rpmspec -P $SPEC_FILE | grep -oP "Release\:\s+\K\S+")
PACKAGE_FILENAME=$PACKAGE_NAME-$PACKAGE_VERSION-$PACKAGE_RELEASE.x86_64.rpm
PACKAGE_FILE=$REPO_DIR/$PACKAGE_FILENAME

if [ -f "$PACKAGE_FILE" ]; then
    echo "$PACKAGE_FILENAME exists. Skip."
    exit
fi

mkdir -p $RPMBUILD_SOURCES_DIR

# Downlaod main source if not existing
if [ ! -f "$SOURCE_FILE" ]; then
    echo "Downloading $SOURCE_FILENAME"
    wget -O $SOURCE_FILE $SOURCE_URL
    echo "Done"
fi

# Copy other source files
cp $SPEC_DIR/$PACKAGE_NAME/* $RPMBUILD_SOURCES_DIR

# Build package
echo "Building $1"
rpmbuild -ba $SPEC_FILE && mv $RPMBUILD_RPMS_DIR/x86_64/* $REPO_DIR/
echo "Done"