Inital Commit

root/usr/lib/borgbackup/check_conditions

@@ -0,0 +1,97 @@
+#!/usr/bin/bash
+
+
+###
+#
+# Options Section
+#
+###
+
+set -e
+set -o pipefail
+
+
+###
+#
+# Variable Section
+#
+###
+
+export BORG_CACHE_DIR='/var/cache/borgbackup'
+export BORG_CONFIG_EXCLUDE='/etc/borgbackup/exclude'
+export BORG_CONFIG_FILE='/etc/borgbackup/config'
+export BORG_KEYS_DIR='/etc/borgbackup/keys'
+export BORG_LOG_DIR='/var/log/borgbackup'
+export BORG_POSTEXEC_DIR='/etc/borgbackup/postexec'
+export BORG_PREEXEC_DIR='/etc/borgbackup/preexec'
+export BORG_SECURITY_DIR='/var/lib/borgbackup'
+source '/etc/borgbackup/config'
+
+
+###
+#
+# Function Section
+#
+###
+
+function environment () {
+  local INPUT
+  local TYPE
+  INPUT="${1}"
+  /usr/bin/test -f "${INPUT}" && \
+    TYPE='file'
+  /usr/bin/test -d "${INPUT}" && \
+    TYPE='directory'
+  case "${TYPE}" in
+    file)
+      if [[ ! -f "${INPUT}" ]]; then
+        INPUT=$(/usr/bin/basename "${INPUT}")
+        /usr/bin/echo "ERROR: The required file '${INPUT}' could not be found."
+        exit 1
+      fi
+    ;;
+    directory)
+      if [[ ! -d "${INPUT}" ]]; then
+        INPUT=$(/usr/bin/realpath "${INPUT}")
+        /usr/bin/echo "ERROR: The required directory '${INPUT}' could not be found."
+        exit 1
+      fi
+    ;;
+  esac
+}
+
+function configuration () {
+  local INPUT
+  INPUT="${1}"
+  if [[ -z "${!INPUT}" ]]; then
+    /usr/bin/echo "ERROR: The option '${INPUT}' is not set in configuration file."
+    exit 1
+  fi
+}
+
+
+###
+#
+# Runtime Environment
+#
+###
+
+if [[ "${TIMER}" != 'true' ]]; then
+  exit 1
+fi
+environment "${BORG_CACHE_DIR}"
+environment "${BORG_CONFIG_EXCLUDE}"
+environment "${BORG_CONFIG_FILE}"
+environment "${BORG_KEYS_DIR}"
+environment "${BORG_LOG_DIR=}"
+environment "${BORG_POSTEXEC_DIR}"
+environment "${BORG_PREEXEC_DIR}"
+environment "${BORG_SECURITY_DIR}"
+configuration 'BORG_REPO'
+configuration 'BORG_COMPRESSION'
+configuration 'BORG_PRUNE_WITHIN'
+configuration 'BORG_PRUNE_DAILY'
+configuration 'BORG_PRUNE_WEEKLY'
+configuration 'BORG_PRUNE_MONTHLY'
+configuration 'BORG_FILES_CACHE_TTL'
+configuration 'BORG_SHOW_SYSINFO'

root/usr/lib/borgbackup/start_backup

@@ -0,0 +1,88 @@
+#!/usr/bin/bash
+
+
+###
+#
+# Options Section
+#
+###
+
+set -e
+set -o pipefail
+
+
+###
+#
+# Variable Section
+#
+###
+
+export BORG_BASE_DIR='/nonexistent'
+export BORG_CACHE_DIR='/var/cache/borgbackup'
+export BORG_COMPRESSION
+export BORG_CONFIG_EXCLUDE='/etc/borgbackup/exclude'
+export BORG_CONFIG_FILE='/etc/borgbackup/config'
+export BORG_CONFIG_DIR='/etc/borgbackup'
+export BORG_FILES_CACHE_TTL
+export BORG_KEYS_DIR='/etc/borgbackup/keys'
+export BORG_LOG_CREATE='/var/log/borgbackup/create.log'
+export BORG_LOG_PRUNE='/var/log/borgbackup/prune.log'
+export BORG_PASSCOMMAND='/usr/bin/cat /etc/borgbackup/password'
+export BORG_POSTEXEC_DIR='/etc/borgbackup/postexec'
+export BORG_PREEXEC_DIR='/etc/borgbackup/preexec'
+export BORG_PRUNE_WITHIN
+export BORG_PRUNE_DAILY
+export BORG_PRUNE_MONTHLY
+export BORG_PRUNE_WEEKLY
+export BORG_REPO
+export BORG_SECURITY_DIR='/var/lib/borgbackup'
+export BORG_SHOW_SYSINFO
+export BORG_WORKAROUNDS
+export TMPDIR='/tmp'
+source '/etc/borgbackup/config'
+
+
+###
+#
+# Runtime Environment
+#
+###
+
+if [[ -n "${INVOCATION_ID}" ]]; then
+  if ! source '/usr/lib/borgbackup/check_conditions'; then
+    exit 1
+  fi
+fi
+/usr/bin/run-parts --new-session "${BORG_PREEXEC_DIR}"
+BORG_REPO_ID=$(/usr/bin/borg list | /usr/bin/tail --lines='1' | /usr/bin/mawk '{print $1}')
+BORG_REPO_ID=$(( "${BORG_REPO_ID}" + 1 ))
+/usr/bin/test ! -f "${BORG_LOG_CREATE}" && \
+  /usr/bin/touch "${BORG_LOG_CREATE}"
+/usr/bin/test ! -f "${BORG_LOG_PRUNE}" && \
+  /usr/bin/touch "${BORG_LOG_PRUNE}"
+DATE=$(/usr/bin/date)
+if [ ! -s "${BORG_LOG_CREATE}" ]; then
+  /usr/bin/echo -n -e "Date: ${DATE}\nRepository ID: ${BORG_REPO_ID}\n\n" >> "${BORG_LOG_CREATE}"
+else
+  /usr/bin/echo -n -e "\nDate: ${DATE}\nRepository ID: ${BORG_REPO_ID}\n\n" >> "${BORG_LOG_CREATE}"
+fi
+/usr/bin/borg create --debug \
+                     --compression "${BORG_COMPRESSION}" \
+                     --exclude-from "${BORG_CONFIG_EXCLUDE}" \
+                     ::"${BORG_REPO_ID}" \
+                     '/' \
+                     &>> "${BORG_LOG_CREATE}"
+DATE=$(/usr/bin/date)
+if [ ! -s "${BORG_LOG_PRUNE}" ]; then
+  /usr/bin/echo -n -e "Date: ${DATE}\nRepository ID: ${BORG_REPO_ID}\n\n" >> "${BORG_LOG_PRUNE}"
+else
+  /usr/bin/echo -n -e "\nDate: ${DATE}\nRepository ID: ${BORG_REPO_ID}\n\n" >> "${BORG_LOG_PRUNE}"
+fi
+/usr/bin/borg prune --debug \
+                    --keep-within="${BORG_PRUNE_WITHIN}" \
+                    --keep-daily="${BORG_PRUNE_DAILY}" \
+                    --keep-weekly="${BORG_PRUNE_WEEKLY}" \
+                    --keep-monthly="${BORG_PRUNE_MONTHLY}" \
+                    --save-space \
+                    &>> "${BORG_LOG_PRUNE}"
+/usr/bin/run-parts --new-session "${BORG_POSTEXEC_DIR}"