Update fastfetch.sh

fastfetch.sh

@@ -6,38 +6,115 @@ RED='\033[31m'      # Red
 GREEN='\033[32m'    # Green
 YELLOW='\033[33m'   # Yellow
 
-# Define variables for the repository URL and the installation directory
-FASTFETCH_REPO_URL="https://github.com/LinusDierheimer/fastfetch"
-INSTALL_DIR="$HOME/fastfetch"
-
-# Check if the installation directory exists, create it if it doesn't
-if [ ! -d "$INSTALL_DIR" ]; then
-    printf "${YELLOW}Cloning fastfetch repository into: $INSTALL_DIR${RC}\n"
-    if git clone "$FASTFETCH_REPO_URL" "$INSTALL_DIR"; then
-        printf "${GREEN}Successfully cloned fastfetch repository${RC}\n"
+checkEnv() {
+    ## Check for requirements.
+    REQUIREMENTS='curl groups sudo'
+    for req in $REQUIREMENTS; do
+        if ! command_exists "$req"; then
+            printf "${RED}To run me, you need: $REQUIREMENTS${RC}\n"
+            exit 1
+        fi
+    done
+
+    ## Check Package Handler
+    PACKAGEMANAGER='apt dnf pacman'
+    for pgm in $PACKAGEMANAGER; do
+        if command_exists "$pgm"; then
+            PACKAGER="$pgm"
+            printf "Using $pgm\n"
+            break
+        fi
+    done
+
+    if [ -z "$PACKAGER" ]; then
+        printf "${RED}Can't find a supported package manager${RC}\n"
+        exit 1
+    fi
+
+    if command_exists sudo; then
+        SUDO_CMD="sudo"
+    elif command_exists doas && [ -f "/etc/doas.conf" ]; then
+        SUDO_CMD="doas"
     else
-        printf "${RED}Failed to clone fastfetch repository${RC}\n"
+        SUDO_CMD="su -c"
+    fi
+
+    printf "Using $SUDO_CMD as privilege escalation software\n"
+
+    ## Check if the current directory is writable.
+    GITPATH=$(dirname "$(realpath "$0")")
+    if [ ! -w "$GITPATH" ]; then
+        printf "${RED}Can't write to $GITPATH${RC}\n"
         exit 1
     fi
-else
-    printf "${GREEN}Repository already exists at: $INSTALL_DIR${RC}\n"
-fi
 
-# Navigate to the installation directory
-cd "$INSTALL_DIR"
+    ## Check SuperUser Group
+    SUPERUSERGROUP='wheel sudo root'
+    for sug in $SUPERUSERGROUP; do
+        if groups | grep -q "$sug"; then
+            SUGROUP="$sug"
+            printf "Super user group $SUGROUP\n"
+            break
+        fi
+    done
 
-# Pull the latest changes from the repository
-git pull
+    ## Check if member of the sudo group.
+    if ! groups | grep -q "$SUGROUP"; then
+        printf "${RED}You need to be a member of the sudo group to run me!${RC}\n"
+        exit 1
+    fi
+}
+
+checkEscalationTool() {
+    ## Check for escalation tools.
+    if [ -z "$ESCALATION_TOOL_CHECKED" ]; then
+        ESCALATION_TOOLS='sudo doas'
+        for tool in ${ESCALATION_TOOLS}; do
+            if command_exists "${tool}"; then
+                ESCALATION_TOOL=${tool}
+                printf "%b\n" "${CYAN}Using ${tool} for privilege escalation${RC}"
+                ESCALATION_TOOL_CHECKED=true
+                return 0
+            fi
+        done
+
+        printf "%b\n" "${RED}Can't find a supported escalation tool${RC}"
+        exit 1
+    fi
+}
 
-# Create a build directory and navigate into it
-mkdir -p build
-cd build
 
-# Run cmake and make to compile fastfetch
-cmake ..
-make -j"$(nproc)"
+installFastfetch() {
+    if ! command_exists fastfetch; then
+        printf "%b\n" "${YELLOW}Installing Fastfetch...${RC}"
+        case "$PACKAGER" in
+            pacman)
+                "$ESCALATION_TOOL" "$PACKAGER" -S --needed --noconfirm fastfetch
+                ;;
+            apt-get|nala)
+                curl -sSLo /tmp/fastfetch.deb https://github.com/fastfetch-cli/fastfetch/releases/latest/download/fastfetch-linux-amd64.deb
+                "$ESCALATION_TOOL" "$PACKAGER" install -y /tmp/fastfetch.deb
+                rm /tmp/fastfetch.deb
+                ;;
+            *)
+                "$ESCALATION_TOOL" "$PACKAGER" install -y fastfetch
+                ;;
+        esac
+    else
+        printf "%b\n" "${GREEN}Fastfetch is already installed.${RC}"
+    fi
+}
 
-# Install fastfetch
-sudo make install
+setupFastfetchConfig() {
+    printf "%b\n" "${YELLOW}Copying Fastfetch config files...${RC}"
+    if [ -d "${HOME}/.config/fastfetch" ] && [ ! -d "${HOME}/.config/fastfetch-bak" ]; then
+        cp -r "${HOME}/.config/fastfetch" "${HOME}/.config/fastfetch-bak"
+    fi
+    mkdir -p "${HOME}/.config/fastfetch/"
+    curl -sSLo "${HOME}/.config/fastfetch/config.jsonc" https://raw.githubusercontent.com/ChrisTitusTech/mybash/main/config.jsonc
+}
 
-printf "${GREEN}fastfetch has been successfully installed${RC}\n"
+checkEnv
+checkEscalationTool
+installFastfetch
+setupFastfetchConfig