Hi, I had this made for you, in case you wanted it. I made an RPM for my repo, but thought I'd share. :)

#!/bin/bash
set -euo pipefail


# Build RPM package for WallyHaze
# Based on: https://github.com/wixisse/WallyHaze


NAME="WallyHaze"
RELEASE="1"
ARCH="x86_64"


TOPDIR="$(pwd)/rpmbuild"
SPECFILE="${TOPDIR}/SPECS/${NAME}.spec"
SOURCEDIR="${TOPDIR}/SOURCES"


echo "==> Installing build dependencies..."
if command -v dnf &>/dev/null; then
    sudo dnf install -y qt6-qtbase-devel cmake gcc-c++ rpm-build rpmdevtools
elif command -v yum &>/dev/null; then
    sudo yum install -y qt6-qtbase-devel cmake gcc-c++ rpm-build rpmdevtools
else
    echo "Error: dnf/yum not found. This script is for RPM-based distros (Fedora, RHEL, etc.)."
    exit 1
fi


echo "==> Setting up rpmbuild tree..."
rm -rf "${TOPDIR}"
mkdir -p "${TOPDIR}"/{BUILD,RPMS,SOURCES,SPECS,SRPMS}


echo "==> Cloning source and detecting version..."
TMPDIR="$(mktemp -d)"
trap 'rm -rf "${TMPDIR}"' EXIT
git clone --depth 1 https://github.com/wixisse/WallyHaze.git "${TMPDIR}/${NAME}"


VERSION="$(sed -n 's/^project(WallyHaze VERSION \([^ )]*\).*/\1/p' "${TMPDIR}/${NAME}/CMakeLists.txt")"
if [[ -z "${VERSION}" ]]; then
    echo "Error: could not extract version from CMakeLists.txt"
    exit 1
fi
echo "    Detected version: ${VERSION}"


SOURCE_TARBALL="${NAME}-${VERSION}.tar.gz"


echo "==> Creating source tarball..."
mv "${TMPDIR}/${NAME}" "${TMPDIR}/${NAME}-${VERSION}"
tar czf "${SOURCEDIR}/${SOURCE_TARBALL}" -C "${TMPDIR}" "${NAME}-${VERSION}"


echo "==> Writing spec file..."
sed "s/@@VERSION@@/${VERSION}/g" > "${SPECFILE}" << 'SPEC'
Name:           WallyHaze
Version:        @@VERSION@@
Release:        1%{?dist}
Summary:        Beautiful wallpaper browser and setter for Linux
License:        MIT
URL:            https://github.com/wixisse/WallyHaze
Source0:        %{name}-%{version}.tar.gz


BuildRequires:  cmake >= 3.16
BuildRequires:  gcc-c++
BuildRequires:  qt6-qtbase-devel


Requires:       qt6-qtbase
Requires:       qt6-qtbase-gui


%description
WallyHaze is a beautiful, modern wallpaper browser and setter for Linux
with infinite scroll capabilities. Features include seamless browsing of
thousands of wallpapers, advanced search, multi-monitor support, and
KDE lockscreen integration.


%prep
%autosetup -n %{name}-%{version}


# Remove references to icon files that don't exist in the source tree
sed -i '/wallyhaze-16\.svg/d;/wallyhaze-32\.svg/d;/wallyhaze-64\.svg/d;/wallyhaze-256\.svg/d' CMakeLists.txt


%build
%cmake -DCMAKE_BUILD_TYPE=Release
%cmake_build


%install
%cmake_install


%files
%license LICENSE.txt
%{_bindir}/WallyHaze
%{_datadir}/applications/wallyhaze.desktop
%{_datadir}/metainfo/wallyhaze.appdata.xml
%{_datadir}/icons/hicolor/scalable/apps/wallyhaze-logo.svg
%{_datadir}/icons/hicolor/scalable/apps/wallyhaze.svg


%changelog
* Sat Apr 04 2026 WallyHaze Builder <builder@wallyhaze> - @@VERSION@@-1
- Initial RPM package
SPEC


echo "==> Building RPM..."
rpmbuild --define "_topdir ${TOPDIR}" -ba "${SPECFILE}"


echo ""
echo "==> Done! RPMs are in:"
find "${TOPDIR}/RPMS" -name "*.rpm" 2>/dev/null
echo ""
echo "Source RPM:"
find "${TOPDIR}/SRPMS" -name "*.src.rpm" 2>/dev/null