# CoreFreq Akmod RPM Spec - Fixed for COPR
%global _debugsource_packages 0
%global _debuginfo_packages 0
%global debug_package %{nil}

%global corefreq_version 2.0.8

Name:           corefreq
Version:        %{corefreq_version}
Release:        23%{?dist}
Summary:        CPU monitoring software with akmod kernel module

License:        GPL-2.0-only
URL:            https://github.com/cyring/CoreFreq
Source0:        %{url}/archive/refs/tags/%{version}.tar.gz#/%{name}-%{version}.tar.gz
Source1:        corefreqd.service
Source2:        Makefile.akmod
Source3:        corefreq-kmod.spec.in

# Akmod BuildRequires
BuildRequires:  kmodtool
BuildRequires:  akmods
BuildRequires:  gcc make rpm-build
BuildRequires:  systemd-rpm-macros
BuildRequires:  kernel-devel

# Runtime Requirements
Requires:       systemd
Suggests:       mokutil
Requires:       %{name}-kmod >= %{version}

# Generate akmod metadata
%{expand:%(kmodtool --target %{_target_cpu} --kmodname %{name} --pattern ".*" --akmod 2>/dev/null) }

%description
CoreFreq is a CPU monitoring software designed for 64-bit Processors.
This package provides the user-space tools and the akmod source for the
'corefreqk' kernel module with full automation including Secure Boot support.

%package -n akmod-%{name}
Summary:        Akmod package for %{name} kernel module(s)
Requires:       kmodtool
Requires:       akmods
Provides:       %{name}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
Requires:       %{name}-kmod-common >= %{?epoch:%{epoch}:}%{version}

%description -n akmod-%{name}
This package provides the akmod package for the %{name} kernel modules.

%package kmod-common
Summary:        Common files for %{name} kernel module
Requires:       %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
Provides:       %{name}-kmod-common = %{?epoch:%{epoch}:}%{version}

%description kmod-common
This package provides the common files for the %{name} kernel modules.

%prep
%autosetup -n CoreFreq-%{version} -p1
# Keep a copy of the original Makefile
cp Makefile Makefile.orig
# Use our akmod-compatible Makefile
cp %{SOURCE2} Makefile

%build
# Build userspace tools only (kernel module is built later by akmod)
make %{?_smp_mflags} userspace

%install
# --- Install userspace components ---
install -D -m 0755 build/corefreqd %{buildroot}%{_bindir}/corefreqd
install -D -m 0755 build/corefreq-cli %{buildroot}%{_bindir}/corefreq-cli
install -D -m 0644 %{SOURCE1} %{buildroot}%{_unitdir}/corefreqd.service

# --- Create a helper script for delayed service start ---
cat > %{buildroot}%{_bindir}/corefreq-service-starter << 'EOF'
#!/bin/bash
# CoreFreq service starter with module availability check

TIMEOUT=60
INTERVAL=2
MODULE_NAME="corefreqk"

echo "Waiting for CoreFreq kernel module to be available..."

for ((i=0; i<TIMEOUT; i+=INTERVAL)); do
    # Check if module can be loaded
    if modprobe -n "$MODULE_NAME" 2>/dev/null; then
        echo "Module $MODULE_NAME is available, starting service..."
        systemctl start corefreqd.service
        if systemctl is-active --quiet corefreqd.service; then
            echo "CoreFreq service started successfully!"
            exit 0
        else
            echo "Service start failed, retrying in $INTERVAL seconds..."
        fi
    else
        echo "Module not ready yet, waiting... ($i/${TIMEOUT}s)"
    fi
    sleep $INTERVAL
done

echo "Timeout waiting for module. You may need to start the service manually later."
echo "Try: systemctl start corefreqd.service"
exit 1
EOF

chmod +x %{buildroot}%{_bindir}/corefreq-service-starter

# --- Create and install the kmod SRPM for akmods ---
install -d %{buildroot}%{_usrsrc}/akmods/

# 1. Create a temporary build environment for the SRPM
SRPM_TOPDIR=$(mktemp -d)
mkdir -p "$SRPM_TOPDIR"/{SOURCES,SPECS}

# 2. Prepare the inner spec file by substituting variables
sed -e 's|@COREFREQ_VERSION@|%{corefreq_version}|g' \
    -e 's|@RELEASE@|1%{?dist}|g' \
    %{SOURCE3} > "$SRPM_TOPDIR"/SPECS/corefreq-kmod.spec

# 3. Create the source tarball that the inner spec expects
#    The inner spec's Source0 will be 'corefreq-kmod-%{version}.tar.gz'
#    It must contain the full source tree.
tar -czf "$SRPM_TOPDIR"/SOURCES/corefreq-kmod-%{version}.tar.gz \
    --transform "s|^CoreFreq-%{version}|corefreq-kmod-%{version}|" \
    -C %{_builddir} \
    CoreFreq-%{version}

# 4. Build the Source RPM (.src.rpm)
rpmbuild -bs \
  --define "_topdir $SRPM_TOPDIR" \
  "$SRPM_TOPDIR"/SPECS/corefreq-kmod.spec

# 5. Install the SRPM where akmods expects to find it
install -m 0644 "$SRPM_TOPDIR"/SRPMS/*.src.rpm %{buildroot}%{_usrsrc}/akmods/

# 6. Create the 'latest' symlink pointing to the new SRPM
#    Find the actual SRPM filename to create the symlink
SRPM_NAME=$(basename "$SRPM_TOPDIR"/SRPMS/*.src.rpm)
ln -s "$SRPM_NAME" %{buildroot}%{_usrsrc}/akmods/%{name}-kmod.latest

# 7. Clean up the temporary directory
rm -rf "$SRPM_TOPDIR"

%post
# Only show MOK message on fresh install, skip on upgrade
if [ $1 -eq 1 ]; then
    # Fresh install - check for Secure Boot
    if [ -d /sys/firmware/efi/efivars ]; then
        if mokutil --sb-state 2>/dev/null | grep -q "SecureBoot enabled"; then
            if [ -f /etc/pki/akmods/certs/public_key.der ]; then
                if ! mokutil --test-key /etc/pki/akmods/certs/public_key.der 2>&1 | grep -q "already enrolled"; then
                    cat << 'EOF'

🔐 Secure Boot is enabled. To use CoreFreq, enroll the signing key:
  sudo mokutil --import /etc/pki/akmods/certs/public_key.der

Then reboot and follow the MOK Manager prompts.
EOF
                fi
            fi
        fi
    fi
fi

%systemd_post corefreqd.service

if [ $1 -eq 1 ]; then
    # Only on fresh install
    echo "CoreFreq installed. Module will build automatically."
    echo "Check status: systemctl status corefreqd.service"
fi

%preun
%systemd_preun corefreqd.service
# Only run cleanup on final removal, NOT on upgrade
if [ $1 -eq 0 ]; then
    systemctl stop corefreqd.service >/dev/null 2>&1 || true
    /sbin/modprobe -r corefreqk >/dev/null 2>&1 || true
fi

%postun
%systemd_postun_with_restart corefreqd.service


%posttrans -n akmod-%{name}
# This runs AFTER the entire transaction completes - all packages are installed
echo "Building CoreFreq kernel module for current kernel..."

if [ -e /usr/sbin/akmods ]; then
    /usr/sbin/akmods --akmod %{name} --kernels "$(uname -r)" || {
        echo "Module build will continue in background"
        exit 0
    }
fi

echo "CoreFreq module build completed. Service will start automatically."

%preun -n akmod-%{name}
# Remove all versions of the module
if [ $1 -eq 0 ]; then # Final uninstall only
    for kver in $(find /lib/modules -name "corefreqk.ko" -exec dirname {} \; 2>/dev/null | sed 's|.*/modules/||;s|/.*||' | sort -u); do
        rm -rf "/lib/modules/$kver/extra/corefreq" "/lib/modules/$kver/updates/corefreqk.ko" 2>/dev/null || true
        /sbin/depmod -a "$kver" 2>/dev/null || true
    done
fi

%files
%license LICENSE
%doc README.md
%{_bindir}/corefreq-cli
%{_bindir}/corefreqd
%{_bindir}/corefreq-service-starter
%{_unitdir}/corefreqd.service

%files -n akmod-%{name}
# Package the SRPM and the symlink
%{_usrsrc}/akmods/corefreq-kmod-%{version}-*.src.rpm
%{_usrsrc}/akmods/corefreq-kmod.latest

%files kmod-common
# This package is empty but serves as a dependency anchor

%changelog
* Sat Sep 07 2025 Package Maintainer <package@example.com> - 2.0.8-1.alpha30
- Forced synchronous kernel module compilation during akmod install
- Added module verification and marker file system
- Main package now waits for akmod completion before starting service
- Improved error handling and user feedback for compilation failures
- Added comprehensive module path verification
- Service startup now guaranteed to happen after successful compilation