build-core.sh

#!/bin/bash

# disable proxy
unset http_proxy
unset no_proxy 
unset https_proxy

# install rpm devtools
cd /home
swupd update --quiet --retry-delay=1
swupd bundle-add curl dnf --quiet 

# manage dependencies
shopt -s expand_aliases && alias dnf='dnf -q -y --releasever=latest --disableplugin=changelog,needs_restarting'
echo -e "[main]\nmax_parallel_downloads=20\nretries=30\nfastestmirror=True" >> /etc/dnf/dnf.conf
# dnf config-manager --add-repo https://cdn.download.clearlinux.org/current/x86_64/os  --add-repo https://download.clearlinux.org/current/x86_64/os --add-repo https://cdn-alt.download.clearlinux.org/current/x86_64/os
dnf config-manager --add-repo https://cdn.download.clearlinux.org/releases/`curl -s https://cdn.download.clearlinux.org/latest`/clear/x86_64/os/
dnf groupinstall build srpm-build 
dnf install autoconf automake automake-dev binutils bzip2 clr-rpm-config coreutils cpio diffutils elfutils file gawk gcc gcc-dev gettext gettext-bin git glibc-dev glibc-locale glibc-utils grep gzip hostname libc6-dev libcap libtool libtool-dev linux-libc-headers m4 make make netbase nss-altfiles patch pigz pkg-config pkg-config-dev rpm sed shadow systemd-lib tar unzip which xz                 
dnf builddep *.spec || { echo "Failed to handle build dependencies"; exit 1; }

# building the package
echo 'exit 0' > /usr/lib/rpm/clr/brp-create-abi
# rpmbuild --quiet
rpmbuild -bb *.spec --define "_topdir $PWD" \
         --define "_sourcedir $PWD" --undefine=_disable_source_fetch \
         --define "abi_package %{nil}" || { echo "Build failed"; exit 1; }
# post cleanup
mv RPMS/*/*.rpm RPMS/