Updated with successful build of SystemRecue-Backup CD

src/functions.sh

@@ -15,17 +15,6 @@ scriptPath="$(dirname "$(readlink -f "$0")")"
 configPath="$(readlink -f "${scriptPath}/../config")"
 debug=false
 
-if [[ ! -r "${configPath}/srb.cfg" ]]; then
-    # Start searching for common configuration paths
-    if [[ -r "$HOME/.config/systemrescue-backup/srb.cfg" ]]; then
-        configPath="$HOME/.config/systemrescue-backup"
-    elif [[ -r "/etc/systemrescue-backup/srb.cfg" ]]; then
-        configPath="/etc/systemrescue-backup"
-    else
-        echoerr "Warning: No configuration file path found. Defaults will be used."
-    fi
-fi
-
 
 ###########################################################
 ### Utility & Common Functions
@@ -35,6 +24,23 @@ is_bin_in_path() {
     builtin type -P "$1" &>/dev/null
 }
 
+# Check if argument is number.
+is_num() {
+    [[ -n "$1" && "$1" -eq "$1" ]] 2>/dev/null
+}
+
+# Convert signal name to signal number.
+to_sig_num() {
+    if is_num "$1"; then
+      # Signal is already number.
+      kill -l "$1" >/dev/null # Check that signal number is valid.
+      echo    "$1"            # Return result.
+    else
+      # Convert to signal number.
+      kill -l "$1"
+    fi
+}
+
 echoreg() {
     if [[ "$1" == "-d" ]]; then
         shift
@@ -187,6 +193,79 @@ run_modules() {
     done
 }
 
+init_squashfs() {
+    truncate -s0 "${systemrescue_data_dir}/sysrescue/build_into_srm/.squashfs-pseudo"
+}
+
+add_to_squashfs() {
+    local input="$1"
+
+    if $debug; then
+        echo "Adding to SquashFS: $1"
+    fi
+    echo "$1" >> "${systemrescue_data_dir}/sysrescue/build_into_srm/.squashfs-pseudo"
+}
+
+add_path_to_squashfs() {
+    local path="$1"
+    local dir_perm="$2"
+    local file_perm="$3"
+    local file_owner="$4"
+    local file_group="$5"
+    local perm
+
+    [[ -z "$dir_perm" ]]   && dir_perm="755"
+    [[ -z "$file_perm" ]]  && file_perm="644"
+    [[ -z "$file_owner" ]] && file_owner="root"
+    [[ -z "$file_group" ]] && file_group="root"
+
+    while read -r file; do
+        if [[ -d "$file" ]]; then
+            [[ "$dir_perm" == "match" ]] && perm="$(stat -c "%a" "$file")" || perm="$dir_perm"
+            #add_to_squashfs "${file/${systemrescue_data_dir}\/sysrescue\/build_into_srm\///} m $dir_perm root root"
+        elif [[ -f "$file" ]]; then
+            [[ "$file_perm" == "match" ]] && perm="$(stat -c "%a" "$file")" || perm="$file_perm"
+            #add_to_squashfs "${file/${systemrescue_data_dir}\/sysrescue\/build_into_srm\///} m $file_perm root root"
+        fi
+        add_to_squashfs "${file/${systemrescue_data_dir}\/sysrescue\/build_into_srm\///} m $perm root root"
+    done < <(find "$path")
+}
+
+trap_add() {
+    local handler="${1:?Handler required}"
+    #local signal="${2:?Signal required}"
+    local signals=("${@:2}")
+    local hdls
+    local signal
+
+    if [[ "${#signals[@]}" -lt 1 ]]; then
+        echo_fail 1 "Signal required"
+    fi
+
+    if $debug; then
+        echo "====================================================="
+    fi
+
+    for signal in "${signals[@]}"; do
+        hdls="$( trap -p "${signal}" | cut -f2 -d \' )"
+        trap "${hdls}${hdls:+;}${handler}" "${signal}"
+        if $debug; then
+            echo "Adding Trap: $handler (${signal})"
+            echo "Old Traps: $hdls"
+        fi
+    done
+
+    if $debug; then
+        echo "Current Traps:"
+        trap -p "${signals[@]}"
+    fi
+
+    if $debug; then
+        echo "====================================================="
+    fi
+}
+
+
 ###########################################################
 ### BACKUP and RESTORE FUNCTIONS
 ###########################################################
@@ -243,7 +322,7 @@ restore_btrfs_subvolumes() {
     done < "${restoreDir}/btrfs.dump"
 }
 
-restore_btfs_mounts() {
+restore_btrfs_mounts() {
     local rootBase mountSource mountDest
 
     rootBase="$1"
@@ -257,3 +336,19 @@ restore_btfs_mounts() {
         mount "$mountSource" "${rootBase}/${mountDest}"
     done < "$restoreDir/mounts.dump"
 }
+
+
+###########################################################
+### Initialization
+###########################################################
+
+if [[ ! -r "${configPath}/srb.cfg" ]]; then
+    # Start searching for common configuration paths
+    if [[ -r "$HOME/.config/systemrescue-backup/srb.cfg" ]]; then
+        configPath="$HOME/.config/systemrescue-backup"
+    elif [[ -r "/etc/systemrescue-backup/srb.cfg" ]]; then
+        configPath="/etc/systemrescue-backup"
+    else
+        echoerr "Warning: No configuration file path found. Defaults will be used."
+    fi
+fi

src/recovery/execute/100_build

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+"${systemrescue_data_dir}/systemrescue-customize" --auto --overwrite \
+    --source="${systemrescue_cache_dir}/systemrescue-${systemrescue_cd_version}-amd64.iso" \
+    --dest="${systemrescue_data_dir}/systemrescue-backup-${systemrescue_cd_version}-amd64.iso" \
+    --recipe-dir="${systemrescue_data_dir}/sysrescue" \
+    --work-dir="${systemrescue_temp_dir}/customize"

src/recovery/finalize/100_cleanup

@@ -1,8 +1,12 @@
 #!/bin/bash
 
-umount "${systemrescue_data_dir}/build/build_into_srm/var/backups/systemrescue-backup/backupdb" &>/dev/null
+umount "${systemrescue_data_dir}/sysrescue/build_into_srm/var/backups/systemrescue-backup/backupdb" &>/dev/null
-umount "${systemrescue_data_dir}/build/build_into_srm/etc/resticprofile" &>/dev/null
+umount "${systemrescue_data_dir}/sysrescue/build_into_srm/etc/resticprofile" &>/dev/null
 
-if [[ -d "${systemrescue_data_dir}/build/build_into_srm" ]]; then
+if [[ -d "${systemrescue_data_dir}/sysrescue/build_into_srm" ]]; then
-    rm -rf "${systemrescue_data_dir}/build/build_into_srm" || exit 1
+    rm -rf "${systemrescue_data_dir}/sysrescue/build_into_srm" || exit 1
+fi
+
+if [[ -d "${systemrescue_temp_dir}/customize" ]]; then
+    rm -rf "${systemrescue_temp_dir}/customize" || exit_fail 100 "Failed to clean up directory: ${systemrescue_temp_dir}/customize"
 fi

src/recovery/prepare/050_preprocess

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+if [[ -n "$systemrescue_cd_iso_url" ]]; then
+    systemrescue_cd_iso_url="${systemrescue_cd_iso_url//\{SYSRESCUECD_VERSION\}/$systemrescue_cd_version}"
+fi

src/recovery/prepare/100_prepare

@@ -1,21 +1,64 @@
 #!/bin/bash 
 
-mkdir -p "$systemrescue_data_dir" || return 1
+# Ensure initial required directories exist
-mkdir -p "$systemrescue_temp_dir" || return 1
+mkdir -p "$systemrescue_data_dir" || exit_fail 10 "FATAL: Failed to create systemrescue_data_dir"
-mkdir -p "$systemrescue_cache_dir" || return 1
+mkdir -p "$systemrescue_cache_dir" || exit_fail 10 "FATAL: Failed to create systemrescue_cache_dir"
+if [[ -d "$systemrescue_temp_dir" ]]; then
+    # Clean out Temporary Directory
+    rm -rf "$systemrescue_temp_dir" || exit_fail 10 "FATAL: Failed to clean systemrescue_temp_dir"
+fi
+mkdir -p "$systemrescue_temp_dir" || exit_fail 10 "FATAL: Failed to create systemrescue_temp_dir"
+trap_add "rm -rf \"$systemrescue_temp_dir\"" EXIT
 
-mkdir -p "${systemrescue_data_dir}/build/build_into_srm/var/backups/systemrescue-backup/backupdb" || return 1
+# Download SystemRescueCD ISO and Customize script
-#mount --bind "${systemrescue_data_dir}/backupdb" "${systemrescue_data_dir}/build/build_into_srm/var/backups/systemrescue-backup/backupdb" || exit 1
+curl -C - -Lso \
-if ! mount --bind "${systemrescue_data_dir}/backupdb" "${systemrescue_data_dir}/build/build_into_srm/var/backups/systemrescue-backup/backupdb"; then
+    "${systemrescue_cache_dir}/systemrescue-${systemrescue_cd_version}-amd64.iso" \
-    if ! cp -a "${systemrescue_data_dir}/backupdb/" "${systemrescue_data_dir}/build/build_into_srm/var/backups/systemrescue-backup/backupdb/"; then
+    "$systemrescue_cd_iso_url"
-        exit_fail 205 "FATAL: Failed to copy backupdb files over to recovery image build"
+curl -C - -Lso \
-    fi
+    "${systemrescue_data_dir}/systemrescue-customize" \
+    "$systemrescue_cd_customize_url"
+chmod 755 "${systemrescue_data_dir}/systemrescue-customize"
+mkdir "${systemrescue_temp_dir}/customize" || exit_fail 10 "FATAL: Failed to create customize directory in systemrescue_temp_dir"
+
+# Copy SysRescue Skeleton configuration over to Disc staging directory
+mkdir -p "${systemrescue_data_dir}/sysrescue" || exit_fail 10 "FATAL: Could not create sysrescue directory in systemrescue_data_dir"
+if ! cp -a "${configPath}/sysrescue/." "${systemrescue_data_dir}/sysrecue/"; then
+    exit_fail 205 "FATAL: Failed to copy sysrescue config files over to recovery image build"
+fi
+trap_add "rm -rf \"${systemrescue_data_dir}/sysrescue\"" EXIT
+
+# Copy SystemRescue-Backup Configuration to Disc staging directory
+mkdir -p "${systemrescue_data_dir}/sysrescue/build_into_srm/etc/systemrescue-backup" || exit_fail 10 "FATAL: Could not create sysrescue config directory in systemrescue_data_dir"
+if ! cp -a "${configPath}/." "${systemrescue_data_dir}/sysrescue/build_into_srm/etc/systemrescue-backup/"; then
+    exit_fail 205 "FATAL: Failed to copy SRB config files over to recovery image build"
 fi
 
-# mkdir -p "${systemrescue_data_dir}/build/build_into_srm/etc/resticprofile"
+# Copy backupdb to Disc staging directory
-# if ! mount --bind "${resticprofile_config_dir}" "${systemrescue_data_dir}/build/build_into_srm/etc/resticprofile"; then
+mkdir -p "${systemrescue_data_dir}/sysrescue/build_into_srm/var/backups/systemrescue-backup/backupdb" || exit_fail 10 "FATAL: Could not create backupdb directory in systemrescue_data_dir"
-#     if ! cp -a "${resticprofile_config_dir}" "${systemrescue_data_dir}/build/build_into_srm/etc/resticprofile"; then
+if ! cp -a "${systemrescue_data_dir}/backupdb/." "${systemrescue_data_dir}/sysrescue/build_into_srm/var/backups/systemrescue-backup/backupdb/"; then
-#         exit_fail 205 "FATAL: Failed to copy resticprofile config files over to recovery image build"
+    exit_fail 205 "FATAL: Failed to copy backupdb files over to recovery image build"
-#     fi
+fi
-# fi
+
-#mount --bind "/etc/resticprofile" "${systemrescue_data_dir}/build/build_into_srm/etc/resticprofile" || return 1
+# Copy SystemRescue-Backup to Disc staging directory
+mkdir -p "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/lib/systemrescue-backup" || exit_fail 10 "FATAL: Could not create SystemRescueBackup Script directory in systemrescue_data_dir"
+if ! cp -a "${scriptPath}/." "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/lib/systemrescue-backup/"; then
+    exit_fail 205 "FATAL: Failed to copy SystemRescue-Backup Scripts over to recovery image build"
+fi
+mkdir -p "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin" || exit_fail 10 "FATAL: Could not create usr/local/bin directory in systemrescue_data_dir"
+if ! ln -srf "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/lib/systemrescue-backup/srb" "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin/srb"; then
+    exit_fail 205 "FATAL: Failed to create srb symlink in usr/local/bin in recovery image build directory"
+fi
+
+# Setup SquashFS-Pseudo Permissions on files & directories.
+init_squashfs
+add_to_squashfs "/etc m 755 root root"
+add_to_squashfs "/var m 755 root root"
+add_to_squashfs "/usr m 755 root root"
+add_to_squashfs "/usr/lib m 755 root root"
+add_to_squashfs "/usr/local m 755 root root"
+add_to_squashfs "/usr/local/bin m 755 root root"
+
+add_path_to_squashfs "${systemrescue_data_dir}/sysrescue/build_into_srm/etc/systemrescue-backup" 700 600
+add_path_to_squashfs "${systemrescue_data_dir}/sysrescue/build_into_srm/var/backups" 700 600
+add_path_to_squashfs "${systemrescue_data_dir}/sysrescue/build_into_srm/root" 700 600
+add_path_to_squashfs "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/lib/systemrescue-backup" match match

src/resticprofile/execute/100_null

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+# Placemat for doing nothing.

src/resticprofile/finalize/100_cleanup

@@ -1,5 +1,5 @@
 #!/bin/bash
 
-if [[ -d "${systemrescue_data_dir}/build/build_into_srm/usr/local/bin" ]]; then
+if [[ -d "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin" ]]; then
-    rm -rf "${systemrescue_data_dir}/build/build_into_srm/usr/local/bin" || return 1
+    rm -rf "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin" || return 1
 fi

src/resticprofile/init/001_default

@@ -5,6 +5,8 @@ echoreg -d "Loaded resticprofile Recovery Module Initialization"
 # Setup Defaults according to what's been develeoped and tested
 restic_version="0.17.0"
 resticprofile_version="0.28.0"
+restic_url="https://github.com/restic/restic/releases/download/v{RESTIC_VERSION}/restic_{RESTIC_VERSION}_linux_amd64.bz2"
+resticprofile_url="https://github.com/creativeprojects/resticprofile/releases/download/v{RESTICPROFILE_VERSION}/resticprofile_{RESTICPROFILE_VERSION}_linux_amd64.tar.gz"
 resticprofile_config_dir="/etc/resticprofile"
 
 resticprofile_init_find_config() {

src/resticprofile/prepare/050_preprocess

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if [[ -n "$restic_url" ]]; then
+    restic_url="${restic_url//\{RESTIC_VERSION\}/$restic_version}"
+fi
+
+if [[ -n "$resticprofile_url" ]]; then
+    resticprofile_url="${resticprofile_url//\{RESTICPROFILE_VERSION\}/$resticprofile_version}"
+fi

src/resticprofile/prepare/100_prepare

@@ -4,47 +4,63 @@ echoreg "Using SystemRescueCD Version: $systemrescue_cd_version"
 echoreg "Using Restic Version: $restic_version"
 echoreg "Using ResticProfile Version: $resticprofile_version"
 
-mkdir -p "${systemrescue_cache_dir}" || return 1
+# Create iniital required staging directories
-mkdir -p "${systemrescue_data_dir}/build/build_into_srm/usr/local/bin" || return 1
+mkdir -p "${systemrescue_cache_dir}" || exit_fail 100 "FATAL: Could not create systemrescue_cache_dir"
-mkdir -p "${systemrescue_temp_dir}/restic-install" || return 1
+mkdir -p "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin" || exit_fail 100 "FATAL: Could not create directory: ${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin"
+mkdir -p "${systemrescue_temp_dir}/restic-install" || exit_fail 100 "FATAL: Could not create directory: ${systemrescue_temp_dir}/restic-install"
 
+# Download, Extract, and Install if it's not cached already: restic
 if [[ ! -f "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64.bz2" ]]; then
-    curl -C - -Lso "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64.bz2" "https://github.com/restic/restic/releases/download/v${restic_version}/restic_${restic_version}_linux_amd64.bz2" || return 1
+    curl -C - -Lso \
+        "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64.bz2" \
+        "$restic_url"
 fi
-bunzip2 -k "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64.bz2" || return 1
+bunzip2 -kf "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64.bz2" || exit_fail 101 "FATAL: Failed to extract restic binary"
 chmod 755 "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64"
 chown root:root "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64"
-mv "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64" "${systemrescue_data_dir}/build/build_into_srm/usr/local/bin/restic" || return 1
+mv "${systemrescue_cache_dir}/restic_${restic_version}_linux_amd64" "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin/restic" || exit_fail 102 "FATAL: Failed to move restic binary to sysrescue build directory"
 
+# Download, Extract, and Install if it's not cached already: resticprofile
 if [[ ! -f "${systemrescue_cache_dir}/resticprofile_${resticprofile_version}_linux_amd64.tar.gz" ]]; then
-    curl -C - -Lso "${systemrescue_cache_dir}/resticprofile_${resticprofile_version}_linux_amd64.tar.gz" "https://github.com/creativeprojects/resticprofile/releases/download/v${resticprofile_version}/resticprofile_${resticprofile_version}_linux_amd64.tar.gz" || return 1
+    curl -C - -Lso \
+        "${systemrescue_cache_dir}/resticprofile_${resticprofile_version}_linux_amd64.tar.gz" \
+        "$resticprofile_url"
+        #"https://github.com/creativeprojects/resticprofile/releases/download/v${resticprofile_version}/resticprofile_${resticprofile_version}_linux_amd64.tar.gz" || return 1
 fi
-tar -xzf "${systemrescue_cache_dir}/resticprofile_${resticprofile_version}_linux_amd64.tar.gz" -C "${systemrescue_temp_dir}/restic-install" || return 1
+tar -xzf "${systemrescue_cache_dir}/resticprofile_${resticprofile_version}_linux_amd64.tar.gz" -C "${systemrescue_temp_dir}/restic-install" || exit_fail 101 "FATAL: Failed to extract resticprofile archive"
 chmod 755 "${systemrescue_temp_dir}/restic-install/resticprofile"
 chown root:root "${systemrescue_temp_dir}/restic-install/resticprofile"
-mv "${systemrescue_temp_dir}/restic-install/resticprofile" "${systemrescue_data_dir}/build/build_into_srm/usr/local/bin/resticprofile" || return 1
+mv "${systemrescue_temp_dir}/restic-install/resticprofile" "${systemrescue_data_dir}/sysrescue/build_into_srm/usr/local/bin/resticprofile" || exit_fail 102 "FATAL: Failed to move resticprofile binary to sysrescue build directory"
-rm -rf "${systemrescue_temp_dir}/restic-install" || return 1
+rm -rf "${systemrescue_temp_dir}/restic-install" || exit_fail 100 "FATAL: Failed to remove temporary restic-install directory"
 
-mkdir -p "${systemrescue_data_dir}/build/build_into_srm/etc/resticprofile"
+# Copy resticprofile configuration to Disc staging directory
-if ! mount --bind "${resticprofile_config_dir}" "${systemrescue_data_dir}/build/build_into_srm/etc/resticprofile"; then
+mkdir -p "${systemrescue_data_dir}/sysrescue/build_into_srm/etc/resticprofile"
-    if ! cp -a "${resticprofile_config_dir}" "${systemrescue_data_dir}/build/build_into_srm/etc/"; then
+if ! cp -a "${resticprofile_config_dir}/." "${systemrescue_data_dir}/sysrescue/build_into_srm/etc/resticprofile/"; then
-        exit_fail 205 "FATAL: Failed to copy resticprofile config files over to recovery image build"
+    exit_fail 205 "FATAL: Failed to copy resticprofile config files over to recovery image build"
-    fi
 fi
 
-if $debug; then
+add_to_squashfs "/usr/local/bin/restic m 755 root root"
-    echo "==========================================================================="
+add_to_squashfs "/usr/local/bin/resticprofile m 755 root root"
-    echo "Cache Dir: $systemrescue_cache_dir"
+add_path_to_squashfs "${systemrescue_data_dir}/sysrescue/build_into_srm/etc/resticprofile" 700 600
-    ls -lR "$systemrescue_cache_dir"
-    echo "====="
-    echo
 
-    echo "Data Dir: $systemrescue_data_dir"
+# if $debug; then
-    ls -lR "$systemrescue_data_dir"
+#     echo "==========================================================================="
-    echo "====="
+#     echo "Cache Dir: $systemrescue_cache_dir"
-    echo
+#     ls -lR "$systemrescue_cache_dir"
+#     echo "====="
+#     echo
 
-    echo "Temp Dir: $systemrescue_temp_dir"
+#     echo "Data Dir: $systemrescue_data_dir"
-    ls -lR "$systemrescue_temp_dir"
+#     ls -lR "$systemrescue_data_dir"
-    echo "==========================================================================="
+#     echo "====="
-fi
+#     echo
+
+#     echo "Temp Dir: $systemrescue_temp_dir"
+#     ls -lR "$systemrescue_temp_dir"
+#     echo "==========================================================================="
+
+#     echo "SquashFS Definitions:"
+#     echo 
+#     cat "${systemrescue_data_dir}/sysrescue/build_into_srm/.squashfs-pseudo"
+#     echo "==========================================================================="
+# fi