Merge branch 'master' into tweak/32bitARM

automated install/basic-install.sh

@@ -94,8 +94,8 @@ fresh_install=true
 
 adlistFile="/etc/pihole/adlists.list"
 # Pi-hole needs an IP address; to begin, these variables are empty since we don't know what the IP is until this script can run
-IPV4_ADDRESS=${IPV4_ADDRESS}
-IPV6_ADDRESS=${IPV6_ADDRESS}
+IPV4_ADDRESS=
+IPV6_ADDRESS=
 # Give settings their default values. These may be changed by prompts later in the script.
 QUERY_LOGGING=
 PRIVACY_LEVEL=
@@ -116,11 +116,11 @@ c=70
 PIHOLE_META_PACKAGE_CONTROL_APT=$(
     cat <<EOM
 Package: pihole-meta
-Version: 0.4
+Version: 0.6
 Maintainer: Pi-hole team <adblock@pi-hole.net>
 Architecture: all
 Description: Pi-hole dependency meta package
-Depends: awk,bash-completion,binutils,ca-certificates,cron|cron-daemon,curl,dialog,dnsutils,dns-root-data,git,grep,iproute2,iputils-ping,jq,libcap2,libcap2-bin,lshw,netcat-openbsd,procps,psmisc,sudo,unzip
+Depends: awk,bash-completion,binutils,ca-certificates,cron|cron-daemon,curl,dialog,bind9-dnsutils|dnsutils,dns-root-data,git,grep,iproute2,iputils-ping,jq,libcap2,libcap2-bin,lshw,procps,psmisc,sudo,unzip
 Section: contrib/metapackages
 Priority: optional
 EOM
@@ -130,12 +130,12 @@ EOM
 PIHOLE_META_PACKAGE_CONTROL_RPM=$(
     cat <<EOM
 Name: pihole-meta
-Version: 0.2
+Version: 0.3
 Release: 1
 License: EUPL
 BuildArch: noarch
 Summary: Pi-hole dependency meta package
-Requires: bash-completion,bind-utils,binutils,ca-certificates,chkconfig,cronie,curl,dialog,findutils,gawk,git,grep,iproute,jq,libcap,lshw,nmap-ncat,procps-ng,psmisc,sudo,unzip
+Requires: bash-completion,bind-utils,binutils,ca-certificates,chkconfig,cronie,curl,dialog,findutils,gawk,git,grep,iproute,jq,libcap,lshw,procps-ng,psmisc,sudo,unzip
 %description
 Pi-hole dependency meta package
 %prep
@@ -143,6 +143,9 @@ Pi-hole dependency meta package
 %files
 %install
 %changelog
+* Mon Jul 14 2025 Pi-hole Team - 0.3
+- Remove nmap-ncat from the list of dependencies
+
 * Wed May 28 2025 Pi-hole Team - 0.2
 - Add gawk to the list of dependencies
 
@@ -151,19 +154,61 @@ Pi-hole dependency meta package
 EOM
 )
 
+# List of required packages on APK based systems
+PIHOLE_META_VERSION_APK=0.2
+PIHOLE_META_DEPS_APK=(
+    bash
+    bash-completion
+    bind-tools
+    binutils
+    coreutils
+    cronie
+    curl
+    dialog
+    git
+    grep
+    iproute2-minimal # piholeARPTable.sh
+    iproute2-ss # piholeDebug.sh
+    jq
+    libcap
+    logrotate
+    lscpu # piholeDebug.sh
+    lshw # piholeDebug.sh
+    ncurses
+    procps-ng
+    psmisc
+    shadow
+    sudo
+    tzdata
+    unzip
+)
+
 ######## Undocumented Flags. Shhh ########
 # These are undocumented flags; some of which we can use when repairing an installation
 # The runUnattended flag is one example of this
 repair=false
 runUnattended=false
+skipFTL=false
 # Check arguments for the undocumented flags
 for var in "$@"; do
-    case "$var" in
+    case "${var}" in
     "--repair") repair=true ;;
     "--unattended") runUnattended=true ;;
+    "--skipFTL") skipFTL=true ;;
     esac
 done
 
+if [[ "${runUnattended}" == true ]]; then
+    # In order to run an unattended setup, a pre-seeded /etc/pihole/pihole.toml must exist
+    if [[ ! -f "${PI_HOLE_CONFIG_DIR}/pihole.toml" ]]; then
+        printf "  %b Error: \"%s\" not found. Cannot run unattended setup\\n" "${CROSS}" "${PI_HOLE_CONFIG_DIR}/pihole.toml"
+        exit 1
+    fi
+    printf "  %b Performing unattended setup, no dialogs will be displayed\\n" "${INFO}"
+    # also disable debconf-apt-progress dialogs
+    export DEBIAN_FRONTEND="noninteractive"
+fi
+
 # If the color table file exists,
 if [[ -f "${coltable}" ]]; then
     # source it
@@ -173,13 +218,11 @@ if [[ -f "${coltable}" ]]; then
 else
     # Set these values so the installer can still run in color
     COL_NC='\e[0m' # No Color
-    COL_LIGHT_GREEN='\e[1;32m'
-    COL_LIGHT_RED='\e[1;31m'
-    TICK="[${COL_LIGHT_GREEN}✓${COL_NC}]"
-    CROSS="[${COL_LIGHT_RED}✗${COL_NC}]"
+    COL_GREEN='\e[1;32m'
+    COL_RED='\e[1;31m'
+    TICK="[${COL_GREEN}✓${COL_NC}]"
+    CROSS="[${COL_RED}✗${COL_NC}]"
     INFO="[i]"
-    # shellcheck disable=SC2034
-    DONE="${COL_LIGHT_GREEN} done!${COL_NC}"
     OVER="\\r\\033[K"
 fi
 
@@ -187,13 +230,13 @@ fi
 # This lets users know that it is a Pi-hole, LLC product
 show_ascii_berry() {
     echo -e "
-        ${COL_LIGHT_GREEN}.;;,.
+        ${COL_GREEN}.;;,.
         .ccccc:,.
          :cccclll:.      ..,,
           :ccccclll.   ;ooodc
            'ccll:;ll .oooodc
              .;cll.;;looo:.
-                 ${COL_LIGHT_RED}.. ','.
+                 ${COL_RED}.. ','.
                 .',,,,,,'.
               .',,,,,,,,,,.
             .',,,,,,,,,,,,....
@@ -215,7 +258,7 @@ abort() {
     # remove any leftover build directory that may exist
     rm -rf /tmp/pihole-meta_*
 
-    echo -e "\\n\\n  ${COL_LIGHT_RED}Installation was interrupted${COL_NC}\\n"
+    echo -e "\\n\\n  ${COL_RED}Installation was interrupted${COL_NC}\\n"
     echo -e "Pi-hole's dependencies might be already installed. If you want to remove them you can try to\\n"
     echo -e "a) run 'pihole uninstall' \\n"
     echo -e "b) Remove the meta-package 'pihole-meta' manually \\n"
@@ -231,6 +274,13 @@ is_command() {
     command -v "${check_command}" >/dev/null 2>&1
 }
 
+check_fresh_install() {
+    # in case of an update (can be a v5 -> v6 or v6 -> v6 update) or repair
+    if [[ -f "${PI_HOLE_V6_CONFIG}" ]] || [[ -f "/etc/pihole/setupVars.conf" ]]; then
+        fresh_install=false
+    fi
+}
+
 # Compatibility
 package_manager_detect() {
 
@@ -247,8 +297,6 @@ package_manager_detect() {
         PKG_COUNT="${PKG_MANAGER} -s -o Debug::NoLocking=true upgrade | grep -c ^Inst || true"
         # The command we will use to remove packages (used in the uninstaller)
         PKG_REMOVE="${PKG_MANAGER} -y remove --purge"
-        # Update package cache
-        update_package_cache || exit 1
 
     # If apt-get is not found, check for rpm.
     elif is_command rpm; then
@@ -265,7 +313,15 @@ package_manager_detect() {
         PKG_COUNT="${PKG_MANAGER} check-update | grep -E '(.i686|.x86|.noarch|.arm|.src|.riscv64)' | wc -l || true"
         # The command we will use to remove packages (used in the uninstaller)
         PKG_REMOVE="${PKG_MANAGER} remove -y"
-    # If neither apt-get or yum/dnf package managers were found
+
+    # If neither apt-get or yum/dnf package managers were found, check for apk.
+    elif is_command apk; then
+        PKG_MANAGER="apk"
+        UPDATE_PKG_CACHE="${PKG_MANAGER} update"
+        PKG_INSTALL="${PKG_MANAGER} add"
+        PKG_COUNT="${PKG_MANAGER} list --upgradable -q | wc -l"
+        PKG_REMOVE="${PKG_MANAGER} del"
+
     else
         # we cannot install required packages
         printf "  %b No supported package manager found\\n" "${CROSS}"
@@ -276,13 +332,20 @@ package_manager_detect() {
 
 build_dependency_package(){
     # This function will build a package that contains all the dependencies needed for Pi-hole
+    if is_command apk ; then
+        local str="APK based system detected. Dependencies will be installed using a virtual package named pihole-meta"
+        printf "  %b %s...\\n" "${INFO}" "${str}"
+        return 0
+    fi
 
     # remove any leftover build directory that may exist
     rm -rf /tmp/pihole-meta_*
 
     # Create a fresh build directory with random name
+    # Busybox Compat: `mktemp` long flags unsupported
+    #   -d flag is short form of --directory
     local tempdir
-    tempdir="$(mktemp --directory /tmp/pihole-meta_XXXXX)"
+    tempdir="$(mktemp -d /tmp/pihole-meta_XXXXX)"
     chmod 0755 "${tempdir}"
 
     if is_command apt-get; then
@@ -308,7 +371,7 @@ build_dependency_package(){
             printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
         else
             printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
-            printf "%b Error: Building pihole-meta.deb failed. %b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+            printf "%b Error: Building pihole-meta.deb failed. %b\\n" "${COL_RED}" "${COL_NC}"
             return 1
         fi
 
@@ -341,7 +404,7 @@ build_dependency_package(){
             printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
         else
             printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
-            printf "%b Error: Building pihole-meta.rpm failed. %b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+            printf "%b Error: Building pihole-meta.rpm failed. %b\\n" "${COL_RED}" "${COL_NC}"
             return 1
         fi
 
@@ -483,7 +546,7 @@ getGitFiles() {
         printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
         # Update the repo, returning an error message on failure
         update_repo "${directory}" || {
-            printf "\\n  %b: Could not update local repository. Contact support.%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+            printf "\\n  %b: Could not update local repository. Contact support.%b\\n" "${COL_RED}" "${COL_NC}"
             exit 1
         }
     # If it's not a .git repo,
@@ -492,7 +555,7 @@ getGitFiles() {
         printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
         # Attempt to make the repository, showing an error on failure
         make_repo "${directory}" "${remoteRepo}" || {
-            printf "\\n  %bError: Could not update local repository. Contact support.%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+            printf "\\n  %bError: Could not update local repository. Contact support.%b\\n" "${COL_RED}" "${COL_NC}"
             exit 1
         }
     fi
@@ -570,14 +633,17 @@ Do you wish to continue with an IPv6-only installation?\\n\\n" \
     ;;
     esac
 
-    DNS_SERVERS="$DNS_SERVERS_IPV6_ONLY"
+    DNS_SERVERS="${DNS_SERVERS_IPV6_ONLY}"
     printf "  %b Proceeding with IPv6 only installation.\\n" "${INFO}"
 }
 
 # Get available interfaces that are UP
 get_available_interfaces() {
     # There may be more than one so it's all stored in a variable
-    availableInterfaces=$(ip --oneline link show up | awk '{print $2}' |  grep -v "^lo" | cut -d':' -f1 | cut -d'@' -f1)
+    # The ip command list all interfaces that are in the up state
+    # The awk command filters out any interfaces that have the LOOPBACK flag set
+    # while using the characters ": " or "@" as a field separator for awk
+    availableInterfaces=$(ip --oneline link show up | awk -F ': |@' '!/<.*LOOPBACK.*>/ {print $2}')
 }
 
 # A function for displaying the dialogs the user sees when first running the installer
@@ -640,6 +706,7 @@ chooseInterface() {
             status="OFF"
         done
         # Disable check for double quote here as we are passing a string with spaces
+        # shellcheck disable=SC2086
         PIHOLE_INTERFACE=$(dialog --no-shadow --keep-tite --output-fd 1 \
             --cancel-label "Exit" --ok-label "Select" \
             --radiolist "Choose An Interface (press space to toggle selection)" \
@@ -665,9 +732,9 @@ testIPv6() {
     # first will contain fda2 (ULA)
     printf -v first "%s" "${1%%:*}"
     # value1 will contain 253 which is the decimal value corresponding to 0xFD
-    value1=$(((0x$first) / 256))
+    value1=$(((0x${first}) / 256))
     # value2 will contain 162 which is the decimal value corresponding to 0xA2
-    value2=$(((0x$first) % 256))
+    value2=$(((0x${first}) % 256))
     # the ULA test is testing for fc00::/7 according to RFC 4193
     if (((value1 & 254) == 252)); then
         # echoing result to calling function as return value
@@ -692,7 +759,7 @@ find_IPv6_information() {
     # For each address in the array above, determine the type of IPv6 address it is
     for i in "${IPV6_ADDRESSES[@]}"; do
         # Check if it's ULA, GUA, or LL by using the function created earlier
-        result=$(testIPv6 "$i")
+        result=$(testIPv6 "${i}")
         # If it's a ULA address, use it and store it as a global variable
         [[ "${result}" == "ULA" ]] && ULA_ADDRESS="${i%/*}"
         # If it's a GUA address, use it and store it as a global variable
@@ -727,7 +794,7 @@ collect_v4andv6_information() {
     printf "  %b IPv4 address: %s\\n" "${INFO}" "${IPV4_ADDRESS}"
     find_IPv6_information
     printf "  %b IPv6 address: %s\\n" "${INFO}" "${IPV6_ADDRESS}"
-    if [ "$IPV4_ADDRESS" == "" ] && [ "$IPV6_ADDRESS" != "" ]; then
+    if [ "${IPV4_ADDRESS}" == "" ] && [ "${IPV6_ADDRESS}" != "" ]; then
         confirm_ipv6_only
     fi
 }
@@ -747,7 +814,7 @@ valid_ip() {
     local regex="^${ipv4elem}\\.${ipv4elem}\\.${ipv4elem}\\.${ipv4elem}${portelem}$"
 
     # Evaluate the regex, and return the result
-    [[ $ip =~ ${regex} ]]
+    [[ ${ip} =~ ${regex} ]]
 
     stat=$?
     return "${stat}"
@@ -782,7 +849,7 @@ setDNS() {
     DNSChooseOptions=()
     local DNSServerCount=0
     # Save the old Internal Field Separator in a variable,
-    OIFS=$IFS
+    OIFS=${IFS}
     # and set the new one to newline
     IFS=$'\n'
     # Put the DNS Servers into an array
@@ -807,7 +874,7 @@ setDNS() {
     result=$?
     case ${result} in
     "${DIALOG_CANCEL}" | "${DIALOG_ESC}")
-        printf "  %b Cancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "  %b Cancel was selected, exiting installer%b\\n" "${COL_RED}" "${COL_NC}"
         exit 1
         ;;
     esac
@@ -844,13 +911,13 @@ If you want to specify a port other than 53, separate it with a hash.\
             result=$?
             case ${result} in
             "${DIALOG_CANCEL}" | "${DIALOG_ESC}")
-                printf "  %b Cancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+                printf "  %b Cancel was selected, exiting installer%b\\n" "${COL_RED}" "${COL_NC}"
                 exit 1
                 ;;
             esac
 
             # Clean user input and replace whitespace with comma.
-            piholeDNS=$(sed 's/[, \t]\+/,/g' <<<"${piholeDNS}")
+            piholeDNS="${piholeDNS//[[:blank:]]/,}"
 
             # Separate the user input into the two DNS values (separated by a comma)
             printf -v PIHOLE_DNS_1 "%s" "${piholeDNS%%,*}"
@@ -898,7 +965,7 @@ If you want to specify a port other than 53, separate it with a hash.\
                     DNSSettingsCorrect=False
                     ;;
                 "${DIALOG_ESC}")
-                    printf "  %b Escape pressed, exiting installer at DNS Settings%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+                    printf "  %b Escape pressed, exiting installer at DNS Settings%b\\n" "${COL_RED}" "${COL_NC}"
                     exit 1
                     ;;
                 esac
@@ -906,7 +973,7 @@ If you want to specify a port other than 53, separate it with a hash.\
         done
     else
         # Save the old Internal Field Separator in a variable,
-        OIFS=$IFS
+        OIFS=${IFS}
         # and set the new one to newline
         IFS=$'\n'
         for DNSServer in ${DNS_SERVERS}; do
@@ -949,7 +1016,7 @@ setLogging() {
         ;;
     "${DIALOG_ESC}")
         # User pressed <ESC>
-        printf "  %b Escape pressed, exiting installer at Query Logging choice.%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "  %b Escape pressed, exiting installer at Query Logging choice.%b\\n" "${COL_RED}" "${COL_NC}"
         exit 1
         ;;
     esac
@@ -974,7 +1041,7 @@ setPrivacyLevel() {
         printf "  %b Using privacy level: %s\\n" "${INFO}" "${PRIVACY_LEVEL}"
         ;;
     "${DIALOG_CANCEL}" | "${DIALOG_ESC}")
-        printf "  %b Cancelled privacy level selection.%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "  %b Cancelled privacy level selection.%b\\n" "${COL_RED}" "${COL_NC}"
         exit 1
         ;;
     esac
@@ -1008,7 +1075,7 @@ chooseBlocklists() {
         ;;
     "${DIALOG_ESC}")
         # User pressed <ESC>
-        printf "  %b Escape pressed, exiting installer at blocklist choice.%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "  %b Escape pressed, exiting installer at blocklist choice.%b\\n" "${COL_RED}" "${COL_NC}"
         exit 1
         ;;
     esac
@@ -1128,13 +1195,14 @@ installScripts() {
         install -o "${USER}" -Dm755 -t "${PI_HOLE_INSTALL_DIR}" ./automated\ install/uninstall.sh
         install -o "${USER}" -Dm755 -t "${PI_HOLE_INSTALL_DIR}" ./advanced/Scripts/COL_TABLE
         install -o "${USER}" -Dm755 -t "${PI_HOLE_BIN_DIR}" pihole
-        install -Dm644 ./advanced/bash-completion/pihole /etc/bash_completion.d/pihole
+        install -Dm644 ./advanced/bash-completion/pihole.bash /etc/bash_completion.d/pihole
+        install -Dm644 ./advanced/bash-completion/pihole-ftl.bash /etc/bash_completion.d/pihole-FTL
         printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
 
     else
         # Otherwise, show an error and exit
         printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
-        printf "\\t\\t%bError: Local repo %s not found, exiting installer%b\\n" "${COL_LIGHT_RED}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"
+        printf "\\t\\t%bError: Local repo %s not found, exiting installer%b\\n" "${COL_RED}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"
         return 1
     fi
 }
@@ -1149,7 +1217,7 @@ installConfigs() {
     # Install empty custom.list file if it does not exist
     if [[ ! -r "${PI_HOLE_CONFIG_DIR}/hosts/custom.list" ]]; then
         if ! install -D -T -o pihole -g pihole -m 660 /dev/null "${PI_HOLE_CONFIG_DIR}/hosts/custom.list" &>/dev/null; then
-            printf "  %b Error: Unable to initialize configuration file %s/custom.list\\n" "${COL_LIGHT_RED}" "${PI_HOLE_CONFIG_DIR}/hosts"
+            printf "  %b Error: Unable to initialize configuration file %s/custom.list\\n" "${COL_RED}" "${PI_HOLE_CONFIG_DIR}/hosts"
             return 1
         fi
     fi
@@ -1167,7 +1235,12 @@ installConfigs() {
         # Load final service
         systemctl daemon-reload
     else
-        install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL.service" '/etc/init.d/pihole-FTL'
+        local INIT="service"
+        if is_command openrc; then
+            INIT="openrc"
+        fi
+
+        install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL.${INIT}" '/etc/init.d/pihole-FTL'
     fi
     install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL-prestart.sh" "${PI_HOLE_INSTALL_DIR}/pihole-FTL-prestart.sh"
     install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL-poststop.sh" "${PI_HOLE_INSTALL_DIR}/pihole-FTL-poststop.sh"
@@ -1191,10 +1264,6 @@ install_manpage() {
         # if not present, create man8 directory
         install -d -m 755 /usr/local/share/man/man8
     fi
-    if [[ ! -d "/usr/local/share/man/man5" ]]; then
-        # if not present, create man5 directory
-        install -d -m 755 /usr/local/share/man/man5
-    fi
     # Testing complete, copy the files & update the man db
     install -D -m 644 -T ${PI_HOLE_LOCAL_REPO}/manpages/pihole.8 /usr/local/share/man/man8/pihole.8
 
@@ -1256,6 +1325,8 @@ enable_service() {
     if is_command systemctl; then
         # use that to enable the service
         systemctl -q enable "${1}"
+    elif is_command openrc; then
+        rc-update add "${1}" "${2:-default}" &> /dev/null
     else
         #  Otherwise, use update-rc.d to accomplish this
         update-rc.d "${1}" defaults >/dev/null
@@ -1271,7 +1342,10 @@ disable_service() {
     # If systemctl exists,
     if is_command systemctl; then
         # use that to disable the service
-        systemctl -q disable "${1}"
+        systemctl -q disable --now "${1}"
+    elif is_command openrc; then
+        rc-update del "${1}" "${2:-default}" &> /dev/null
+
     else
         # Otherwise, use update-rc.d to accomplish this
         update-rc.d "${1}" disable >/dev/null
@@ -1284,6 +1358,8 @@ check_service_active() {
     if is_command systemctl; then
         # use that to check the status of the service
         systemctl -q is-enabled "${1}" 2>/dev/null
+    elif is_command openrc; then
+        rc-status default boot | grep -q "${1}"
     else
         # Otherwise, fall back to service command
         service "${1}" status &>/dev/null
@@ -1328,7 +1404,7 @@ update_package_cache() {
             UPDATE_PKG_CACHE="apt update"
         fi
         printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
-        printf "  %b Error: Unable to update package cache. Please try \"%s\"%b\\n" "${COL_LIGHT_RED}" "sudo ${UPDATE_PKG_CACHE}" "${COL_NC}"
+        printf "  %b Error: Unable to update package cache. Please try \"%s\"%b\\n" "${COL_RED}" "sudo ${UPDATE_PKG_CACHE}" "${COL_NC}"
         return 1
     fi
 }
@@ -1346,7 +1422,7 @@ notify_package_updates_available() {
         printf "%b  %b %s... up to date!\\n\\n" "${OVER}" "${TICK}" "${str}"
     else
         printf "%b  %b %s... %s updates available\\n" "${OVER}" "${TICK}" "${str}" "${updatesToInstall}"
-        printf "  %b %bIt is recommended to update your OS after installing the Pi-hole!%b\\n\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${COL_NC}"
+        printf "  %b %bIt is recommended to update your OS after installing the Pi-hole!%b\\n\\n" "${INFO}" "${COL_GREEN}" "${COL_NC}"
     fi
 }
 
@@ -1363,11 +1439,11 @@ install_dependent_packages() {
                 rm /tmp/pihole-meta.deb
             else
                 printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
-                printf "  %b Error: Unable to install Pi-hole dependency package.\\n" "${COL_LIGHT_RED}"
+                printf "  %b Error: Unable to install Pi-hole dependency package.\\n" "${COL_RED}"
                 return 1
             fi
         else
-            printf "  %b Error: Unable to find Pi-hole dependency package.\\n" "${COL_LIGHT_RED}"
+            printf "  %b Error: Unable to find Pi-hole dependency package.\\n" "${COL_RED}"
             return 1
         fi
     # Install Fedora/CentOS packages
@@ -1378,15 +1454,34 @@ install_dependent_packages() {
                 rm /tmp/pihole-meta.rpm
             else
                 printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
-                printf "  %b Error: Unable to install Pi-hole dependency package.\\n" "${COL_LIGHT_RED}"
+                printf "  %b Error: Unable to install Pi-hole dependency package.\\n" "${COL_RED}"
                 return 1
             fi
         else
-            printf "  %b Error: Unable to find Pi-hole dependency package.\\n" "${COL_LIGHT_RED}"
+            printf "  %b Error: Unable to find Pi-hole dependency package.\\n" "${COL_RED}"
             return 1
         fi
+    # Install Alpine packages
+    elif is_command apk; then
+        local repo_str="Ensuring alpine 'community' repo is enabled."
+        printf "%b  %b %s" "${OVER}" "${INFO}" "${repo_str}"
 
-    # If neither apt-get or yum/dnf package managers were found
+        local pattern='^\s*#(.*/community/?)\s*$'
+        sed -Ei "s:${pattern}:\1:" /etc/apk/repositories
+        if grep -Eq "${pattern}" /etc/apk/repositories; then
+            # Repo still commented out = Failure
+            printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${repo_str}"
+        else
+            printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${repo_str}"
+        fi
+        printf "  %b %s..." "${INFO}" "${str}"
+        if { ${PKG_INSTALL} -q -t "pihole-meta=${PIHOLE_META_VERSION_APK}" "${PIHOLE_META_DEPS_APK[@]}" &>/dev/null; }; then
+            printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
+        else
+            printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
+            printf "  %b Error: Unable to install Pi-hole dependency package.\\n" "${COL_RED}"
+            return 1
+        fi
     else
         # we cannot install the dependency package
         printf "  %b No supported package manager found\\n" "${CROSS}"
@@ -1411,6 +1506,15 @@ installCron() {
     # Randomize update checker time
     sed -i "s/59 17/$((1 + RANDOM % 58)) $((12 + RANDOM % 8))/" /etc/cron.d/pihole
     printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
+
+    # Switch off of busybox cron on alpine
+    if is_command openrc; then
+        printf "  %b Switching from busybox crond to cronie...\\n" "${INFO}"
+        stop_service crond
+        disable_service crond
+        enable_service cronie
+        restart_service cronie
+    fi
 }
 
 # Gravity is a very important script as it aggregates all of the domains into a single HOSTS formatted list,
@@ -1460,7 +1564,7 @@ create_pihole_user() {
             # then create and add her to the pihole group
             local str="Creating user 'pihole'"
             printf "%b  %b %s..." "${OVER}" "${INFO}" "${str}"
-            if useradd -r --no-user-group -g pihole -s /usr/sbin/nologin pihole; then
+            if useradd -r --no-user-group -g pihole -s "$(command -v nologin)" pihole; then
                 printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
             else
                 printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
@@ -1475,7 +1579,7 @@ create_pihole_user() {
                 # create and add pihole user to the pihole group
                 local str="Creating user 'pihole'"
                 printf "%b  %b %s..." "${OVER}" "${INFO}" "${str}"
-                if useradd -r --no-user-group -g pihole -s /usr/sbin/nologin pihole; then
+                if useradd -r --no-user-group -g pihole -s "$(command -v nologin)" pihole; then
                     printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
                 else
                     printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
@@ -1611,13 +1715,13 @@ checkSelinux() {
     if [[ "${SELINUX_ENFORCING}" -eq 1 ]] && [[ -z "${PIHOLE_SELINUX}" ]]; then
         printf "  Pi-hole does not provide an SELinux policy as the required changes modify the security of your system.\\n"
         printf "  Please refer to https://wiki.centos.org/HowTos/SELinux if SELinux is required for your deployment.\\n"
-        printf "      This check can be skipped by setting the environment variable %bPIHOLE_SELINUX%b to %btrue%b\\n" "${COL_LIGHT_RED}" "${COL_NC}" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "      This check can be skipped by setting the environment variable %bPIHOLE_SELINUX%b to %btrue%b\\n" "${COL_RED}" "${COL_NC}" "${COL_RED}" "${COL_NC}"
         printf "      e.g: export PIHOLE_SELINUX=true\\n"
         printf "      By setting this variable to true you acknowledge there may be issues with Pi-hole during or after the install\\n"
-        printf "\\n  %bSELinux Enforcing detected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "\\n  %bSELinux Enforcing detected, exiting installer%b\\n" "${COL_RED}" "${COL_NC}"
         exit 1
     elif [[ "${SELINUX_ENFORCING}" -eq 1 ]] && [[ -n "${PIHOLE_SELINUX}" ]]; then
-        printf "  %b %bSELinux Enforcing detected%b. PIHOLE_SELINUX env variable set - installer will continue\\n" "${INFO}" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "  %b %bSELinux Enforcing detected%b. PIHOLE_SELINUX env variable set - installer will continue\\n" "${INFO}" "${COL_RED}" "${COL_NC}"
     fi
 }
 
@@ -1627,9 +1731,9 @@ check_download_exists() {
     status=$(curl --head --silent "https://ftl.pi-hole.net/${1}" | head -n 1)
 
     # Check the status code
-    if grep -q "200" <<<"$status"; then
+    if grep -q "200" <<<"${status}"; then
         return 0
-    elif grep -q "404" <<<"$status"; then
+    elif grep -q "404" <<<"${status}"; then
         return 1
     fi
 
@@ -1662,7 +1766,7 @@ get_available_branches() {
     # Get reachable remote branches, but store STDERR as STDOUT variable
     output=$({ git ls-remote --heads --quiet | cut -d'/' -f3- -; } 2>&1)
     # echo status for calling function to capture
-    echo "$output"
+    echo "${output}"
     return
 }
 
@@ -1695,9 +1799,9 @@ checkout_pull_branch() {
     oldbranch="$(git symbolic-ref HEAD)"
 
     str="Switching to branch: '${branch}' from '${oldbranch}'"
-    printf "  %b %s" "${INFO}" "$str"
+    printf "  %b %s" "${INFO}" "${str}"
     git checkout "${branch}" --quiet || return 1
-    printf "%b  %b %s\\n" "${OVER}" "${TICK}" "$str"
+    printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
     # Data in the repositories is public anyway so we can make it readable by everyone (+r to keep executable permission if already set by git)
     chmod -R a+rX "${directory}"
 
@@ -1712,16 +1816,22 @@ clone_or_reset_repos() {
     # If the user wants to repair/update,
     if [[ "${repair}" == true ]]; then
         printf "  %b Resetting local repos\\n" "${INFO}"
+
+        # import getFTLConfigValue from utils.sh
+        source "/opt/pihole/utils.sh"
+        # Use the configured Web repo location on repair/update
+        webInterfaceDir=$(getFTLConfigValue "webserver.paths.webroot")$(getFTLConfigValue "webserver.paths.webhome")
+
         # Reset the Core repo
         resetRepo ${PI_HOLE_LOCAL_REPO} ||
             {
-                printf "  %b Unable to reset %s, exiting installer%b\\n" "${COL_LIGHT_RED}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"
+                printf "  %b Unable to reset %s, exiting installer%b\\n" "${COL_RED}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"
                 exit 1
             }
         # Reset the Web repo
         resetRepo ${webInterfaceDir} ||
             {
-                printf "  %b Unable to reset %s, exiting installer%b\\n" "${COL_LIGHT_RED}" "${webInterfaceDir}" "${COL_NC}"
+                printf "  %b Unable to reset %s, exiting installer%b\\n" "${COL_RED}" "${webInterfaceDir}" "${COL_NC}"
                 exit 1
             }
     # Otherwise, a fresh installation is happening
@@ -1729,13 +1839,13 @@ clone_or_reset_repos() {
         # so get git files for Core
         getGitFiles ${PI_HOLE_LOCAL_REPO} ${piholeGitUrl} ||
             {
-                printf "  %b Unable to clone %s into %s, unable to continue%b\\n" "${COL_LIGHT_RED}" "${piholeGitUrl}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"
+                printf "  %b Unable to clone %s into %s, unable to continue%b\\n" "${COL_RED}" "${piholeGitUrl}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"
                 exit 1
             }
         # get the Web git files
         getGitFiles ${webInterfaceDir} ${webInterfaceGitUrl} ||
             {
-                printf "  %b Unable to clone %s into ${webInterfaceDir}, exiting installer%b\\n" "${COL_LIGHT_RED}" "${webInterfaceGitUrl}" "${COL_NC}"
+                printf "  %b Unable to clone %s into ${webInterfaceDir}, exiting installer%b\\n" "${COL_RED}" "${webInterfaceGitUrl}" "${COL_NC}"
                 exit 1
             }
     fi
@@ -1785,8 +1895,12 @@ FTLinstall() {
             # Before stopping FTL, we download the macvendor database
             curl -sSL "https://ftl.pi-hole.net/macvendor.db" -o "${PI_HOLE_CONFIG_DIR}/macvendor.db" || true
 
-            # Stop pihole-FTL service if available
-            stop_service pihole-FTL >/dev/null
+
+            # If the binary already exists in /usr/bin, then we need to stop the service
+            # If the binary does not exist (fresh installs), then we can skip this step.
+            if [[ -f /usr/bin/pihole-FTL ]]; then
+                stop_service pihole-FTL >/dev/null
+            fi
 
             # Install the new version with the correct permissions
             install -T -m 0755 "${binary}" /usr/bin/pihole-FTL
@@ -1811,7 +1925,7 @@ FTLinstall() {
                 return 1
             }
             printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
-            printf "  %b Error: Download of %s/%s failed (checksum error)%b\\n" "${COL_LIGHT_RED}" "${url}" "${binary}" "${COL_NC}"
+            printf "  %b Error: Download of %s/%s failed (checksum error)%b\\n" "${COL_RED}" "${url}" "${binary}" "${COL_NC}"
 
             # Remove temp dir
             remove_dir "${tempdir}"
@@ -1825,7 +1939,7 @@ FTLinstall() {
         }
         printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
         # The URL could not be found
-        printf "  %b Error: URL %s/%s not found%b\\n" "${COL_LIGHT_RED}" "${url}" "${binary}" "${COL_NC}"
+        printf "  %b Error: URL %s/%s not found%b\\n" "${COL_RED}" "${url}" "${binary}" "${COL_NC}"
 
         # Remove temp dir
         remove_dir "${tempdir}"
@@ -1909,9 +2023,9 @@ get_binary_name() {
         l_binary="pihole-FTL-riscv64"
     else
         # Something else - we try to use 32bit executable and warn the user
-        if [[ ! "${machine}" == "i686" ]]; then
+        if [[ "${machine}" != "i686" ]]; then
             printf "%b  %b %s...\\n" "${OVER}" "${CROSS}" "${str}"
-            printf "  %b %bNot able to detect architecture (unknown: %s), trying x86 (32bit) executable%b\\n" "${INFO}" "${COL_LIGHT_RED}" "${machine}" "${COL_NC}"
+            printf "  %b %bNot able to detect architecture (unknown: %s), trying x86 (32bit) executable%b\\n" "${INFO}" "${COL_RED}" "${machine}" "${COL_NC}"
             printf "  %b Contact Pi-hole Support if you experience issues (e.g: FTL not running)\\n" "${INFO}"
         else
             printf "%b  %b Detected 32bit (i686) architecture\\n" "${OVER}" "${TICK}"
@@ -1943,18 +2057,18 @@ FTLcheckUpdate() {
     local remoteSha1
     local localSha1
 
-    if [[ ! "${ftlBranch}" == "master" ]]; then
+    if [[ "${ftlBranch}" != "master" ]]; then
         # This is not the master branch
         local path
         path="${ftlBranch}/${binary}"
 
         # Check whether or not the binary for this FTL branch actually exists. If not, then there is no update!
-        if ! check_download_exists "$path"; then
-            local status
+        local status
+        if ! check_download_exists "${path}"; then
             status=$?
             if [ "${status}" -eq 1 ]; then
                 printf "  %b Branch \"%s\" is not available.\\n" "${INFO}" "${ftlBranch}"
-                printf "  %b Use %bpihole checkout ftl [branchname]%b to switch to a valid branch.\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${COL_NC}"
+                printf "  %b Use %bpihole checkout ftl [branchname]%b to switch to a valid branch.\\n" "${INFO}" "${COL_GREEN}" "${COL_NC}"
             elif [ "${status}" -eq 2 ]; then
                 printf "  %b Unable to download from ftl.pi-hole.net. Please check your Internet connection and try again later.\\n" "${CROSS}"
                 return 3
@@ -2040,6 +2154,11 @@ FTLdetect() {
 
     if FTLcheckUpdate "${1}"; then
         FTLinstall "${1}" || return 1
+    else
+        case $? in
+            1) :;; # FTL is up-to-date
+            *) exit 1;; # 404 (2), other HTTP or curl error (3), unknown (4)
+        esac
     fi
 }
 
@@ -2048,11 +2167,11 @@ make_temporary_log() {
     TEMPLOG=$(mktemp /tmp/pihole_temp.XXXXXX)
     # Open handle 3 for templog
     # https://stackoverflow.com/questions/18460186/writing-outputs-to-log-file-and-console
-    exec 3>"$TEMPLOG"
+    exec 3>"${TEMPLOG}"
     # Delete templog, but allow for addressing via file handle
     # This lets us write to the log without having a temporary file on the drive, which
     # is meant to be a security measure so there is not a lingering file on the drive during the install process
-    rm "$TEMPLOG"
+    rm "${TEMPLOG}"
 }
 
 copy_to_install_log() {
@@ -2167,7 +2286,7 @@ main() {
     else
         # Otherwise, they do not have enough privileges, so let the user know
         printf "  %b %s\\n" "${INFO}" "${str}"
-        printf "  %b %bScript called with non-root privileges%b\\n" "${INFO}" "${COL_LIGHT_RED}" "${COL_NC}"
+        printf "  %b %bScript called with non-root privileges%b\\n" "${INFO}" "${COL_RED}" "${COL_NC}"
         printf "      The Pi-hole requires elevated privileges to install and run\\n"
         printf "      Please check the installer for any concerns regarding this requirement\\n"
         printf "      Make sure to download this script from a trusted source\\n\\n"
@@ -2191,7 +2310,7 @@ main() {
             # Otherwise, tell the user they need to run the script as root, and bail
             printf "%b  %b Sudo utility check\\n" "${OVER}" "${CROSS}"
             printf "  %b Sudo is needed for the Web Interface to run pihole commands\\n\\n" "${INFO}"
-            printf "  %b %bPlease re-run this installer as root${COL_NC}\\n" "${INFO}" "${COL_LIGHT_RED}"
+            printf "  %b %bPlease re-run this installer as root${COL_NC}\\n" "${INFO}" "${COL_RED}"
             exit 1
         fi
     fi
@@ -2202,9 +2321,17 @@ main() {
     # Check for availability of either the "service" or "systemctl" commands
     check_service_command
 
+    # Check if this is a fresh install or an update/repair
+    check_fresh_install
+
     # Check for supported package managers so that we may install dependencies
     package_manager_detect
 
+    # Update package cache only on apt based systems
+    if is_command apt-get; then
+            update_package_cache || exit 1
+    fi
+
     # Notify user of package availability
     notify_package_updates_available
 
@@ -2217,24 +2344,18 @@ main() {
 
     # Check if there is a usable FTL binary available on this architecture - do
     # this early on as FTL is a hard dependency for Pi-hole
-    local funcOutput
-    funcOutput=$(get_binary_name) #Store output of get_binary_name here
-    # Abort early if this processor is not supported (get_binary_name returns empty string)
-    if [[ "${funcOutput}" == "" ]]; then
-        printf "  %b Upgrade/install aborted\\n" "${CROSS}" "${DISTRO_NAME}"
-        exit 1
-    fi
-
-    # in case of an update (can be a v5 -> v6 or v6 -> v6 update) or repair
-    if [[ -f "${PI_HOLE_V6_CONFIG}" ]] || [[ -f "/etc/pihole/setupVars.conf" ]]; then
-        # retain settings
-        fresh_install=false
-        # if it's running unattended,
-        if [[ "${runUnattended}" == true ]]; then
-            printf "  %b Performing unattended setup, no dialogs will be displayed\\n" "${INFO}"
-            # also disable debconf-apt-progress dialogs
-            export DEBIAN_FRONTEND="noninteractive"
+    # Allow the user to skip this check if they are using a self-compiled FTL binary from an unsupported architecture
+    if [ "${skipFTL}" != true ]; then
+        # Get the binary name for the current architecture
+        local funcOutput
+        funcOutput=$(get_binary_name) #Store output of get_binary_name here
+        # Abort early if this processor is not supported (get_binary_name returns empty string)
+        if [[ "${funcOutput}" == "" ]]; then
+            printf "  %b Upgrade/install aborted\\n" "${CROSS}" "${DISTRO_NAME}"
+            exit 1
         fi
+    else
+        printf "  %b %b--skipFTL set - skipping architecture check%b\\n" "${INFO}" "${COL_YELLOW}" "${COL_NC}"
     fi
 
     if [[ "${fresh_install}" == true ]]; then
@@ -2267,13 +2388,18 @@ main() {
     create_pihole_user
 
     # Download and install FTL
-    local binary
-    binary="pihole-FTL${funcOutput##*pihole-FTL}" #binary name will be the last line of the output of get_binary_name (it always begins with pihole-FTL)
-    local theRest
-    theRest="${funcOutput%pihole-FTL*}" # Print the rest of get_binary_name's output to display (cut out from first instance of "pihole-FTL")
-    if ! FTLdetect "${binary}" "${theRest}"; then
-        printf "  %b FTL Engine not installed\\n" "${CROSS}"
-        exit 1
+    # Allow the user to skip this check if they are using a self-compiled FTL binary from an unsupported architecture
+    if [ "${skipFTL}" != true ]; then
+        local binary
+        binary="pihole-FTL${funcOutput##*pihole-FTL}" #binary name will be the last line of the output of get_binary_name (it always begins with pihole-FTL)
+        local theRest
+        theRest="${funcOutput%pihole-FTL*}" # Print the rest of get_binary_name's output to display (cut out from first instance of "pihole-FTL")
+        if ! FTLdetect "${binary}" "${theRest}"; then
+            printf "  %b FTL Engine not installed\\n" "${CROSS}"
+            exit 1
+        fi
+    else
+        printf "  %b %b--skipFTL set - skipping FTL binary installation%b\\n" "${INFO}" "${COL_YELLOW}" "${COL_NC}"
     fi
 
     # Install and log everything to a file
@@ -2337,7 +2463,7 @@ main() {
         if [ -n "${PIHOLE_DNS_1}" ]; then
             local string="\"${PIHOLE_DNS_1}\""
             [ -n "${PIHOLE_DNS_2}" ] && string+=", \"${PIHOLE_DNS_2}\""
-            setFTLConfigValue "dns.upstreams" "[ $string ]"
+            setFTLConfigValue "dns.upstreams" "[ ${string} ]"
         fi
 
         if [ -n "${QUERY_LOGGING}" ]; then
@@ -2376,8 +2502,10 @@ main() {
         printf "  %b If you have not done so already, the above IP should be set to static.\\n" "${INFO}"
 
         printf "  %b View the web interface at http://pi.hole:${WEBPORT}/admin or http://%s/admin\\n\\n" "${INFO}" "${IPV4_ADDRESS%/*}:${WEBPORT}"
-        printf "  %b Web Interface password: %b%s%b\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${pw}" "${COL_NC}"
+        printf "  %b Web Interface password: %b%s%b\\n" "${INFO}" "${COL_GREEN}" "${pw}" "${COL_NC}"
         printf "  %b This can be changed using 'pihole setpassword'\\n\\n" "${INFO}"
+        printf "  %b To allow your user to use all CLI functions without authentication, refer to\\n" "${INFO}"
+        printf "    our documentation at: https://docs.pi-hole.net/main/post-install/\\n\\n"
 
         # Final dialog message to the user
         dialog --no-shadow --keep-tite \
@@ -2386,7 +2514,11 @@ main() {
 \\n\\nIPv4:	${IPV4_ADDRESS%/*}\
 \\nIPv6:	${IPV6_ADDRESS:-"Not Configured"}\
 \\nIf you have not done so already, the above IP should be set to static.\
-\\nView the web interface at http://pi.hole/admin:${WEBPORT} or http://${IPV4_ADDRESS%/*}:${WEBPORT}/admin\\n\\nYour Admin Webpage login password is ${pw}" "${r}" "${c}"
+\\nView the web interface at http://pi.hole:${WEBPORT}/admin or http://${IPV4_ADDRESS%/*}:${WEBPORT}/admin\\n\\nYour Admin Webpage login password is ${pw}\
+\\n
+\\n
+\\nTo allow your user to use all CLI functions without authentication,\
+\\nrefer to https://docs.pi-hole.net/main/post-install/" "${r}" "${c}"
 
         INSTALL_TYPE="Installation"
     else
@@ -2395,7 +2527,7 @@ main() {
 
     # Display where the log file is
     printf "\\n  %b The install log is located at: %s\\n" "${INFO}" "${installLogLoc}"
-    printf "  %b %b%s complete! %b\\n" "${TICK}" "${COL_LIGHT_GREEN}" "${INSTALL_TYPE}" "${COL_NC}"
+    printf "  %b %b%s complete! %b\\n" "${TICK}" "${COL_GREEN}" "${INSTALL_TYPE}" "${COL_NC}"
 
     if [[ "${INSTALL_TYPE}" == "Update" ]]; then
         printf "\\n"