usm/installer/pm_dnf.sh

#!/bin/bash
# pm_dnf.sh - DNF package manager implementation for Fedora/RHEL systems

# Package name mappings for dnf
declare -A DNF_PACKAGE_NAMES=(
    ["vala"]="vala"
    ["meson"]="meson"
    ["ninja"]="ninja-build"
    ["git"]="git"
    ["pkgconfig"]="pkgconf-pkg-config"
    ["gcc"]="gcc"
    ["glib"]="glib2-devel"
    ["libsodium"]="libsodium-devel"
    ["gtk"]="gtk3-devel"
)

# Check if a package is installed via dnf/rpm
pm_is_installed() {
    local pkg="$1"
    rpm -q "$pkg" &>/dev/null
}

# Get the dnf package name for a generic dependency
pm_get_package_name() {
    local dep="$1"
    if [[ -n "${DNF_PACKAGE_NAMES[$dep]}" ]]; then
        echo "${DNF_PACKAGE_NAMES[$dep]}"
    else
        echo "$dep"
    fi
}

# Update dnf cache
pm_update() {
    local sudo=$(get_sudo)
    if [[ -n "$sudo" ]]; then
        $sudo dnf makecache -q 2>/dev/null || $sudo dnf clean metadata
    else
        dnf makecache -q 2>/dev/null || dnf clean metadata
    fi
}

# Install packages via dnf
pm_install() {
    local -a pkgs=("$@")
    local sudo=$(get_sudo)
    local dnf_opts="-y --quiet"
    
    if [[ "$ASSUME_YES" == "true" ]]; then
        dnf_opts="-y --quiet --skip-broken"
    fi
    
    log_step "Installing packages via dnf: ${pkgs[*]}"
    
    if [[ -n "$sudo" ]]; then
        $sudo dnf install $dnf_opts "${pkgs[@]}"
    else
        dnf install $dnf_opts "${pkgs[@]}"
    fi
}

# Get list of missing dependencies (dnf-specific override)
get_missing_deps() {
    local -a missing=()
    local deps=("vala" "meson" "ninja" "git" "pkgconfig" "gcc" "glib" "libsodium")
    
    for dep in "${deps[@]}"; do
        local pkg_name=$(pm_get_package_name "$dep")
        if ! pm_is_installed "$pkg_name"; then
            missing+=("$pkg_name")
        fi
    done
    
    echo "${missing[@]}"
}