mirror of
https://github.com/yavook/kiwi-backup.git
synced 2024-11-25 08:03:01 +00:00
Merge branch 'release/0.2'
This commit is contained in:
commit
234523239d
3 changed files with 146 additions and 113 deletions
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@ -107,6 +107,6 @@ ENV \
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GPG_KEY_ID="" \
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GPG_PASSPHRASE=""
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COPY run.sh /usr/local/bin/do-plicity
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COPY do-plicity /usr/local/bin/
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CMD ["do-plicity"]
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145
do-plicity
Executable file
145
do-plicity
Executable file
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@ -0,0 +1,145 @@
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#!/bin/sh
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#############
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# CONSTANTS #
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#############
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# commands
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env_exe="$(command -v env)"
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ionice_exe="$(command -v ionice)"
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duplicity_exe="$(command -v duplicity)"
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# check if uses encryption
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if [ -n "${GPG_KEY_ID}" ]; then
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# gpg key given
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env_changes="PASSPHRASE='${GPG_PASSPHRASE}'"
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encrypt_opts="--encrypt-key='${GPG_KEY_ID}'"
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else
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# no key given
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env_changes=""
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encrypt_opts="--no-encryption"
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fi
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#############
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# FUNCTIONS #
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#############
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append_options() {
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ao_cmdline="${1}"
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ao_options="${2}"
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shift 1
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# remove leading whitespace characters
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ao_options="${ao_options#"${ao_options%%[![:space:]]*}"}"
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# remove trailing whitespace characters
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ao_options="${ao_options%"${ao_options##*[![:space:]]}"}"
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# if options are given, stitch together with a space
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if [ -n "${ao_options}" ]; then
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echo "${ao_cmdline} ${ao_options}"
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else
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echo "${ao_cmdline}"
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fi
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}
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print_command() {
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pc_task="${1}"
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shift 1
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# if environment should be changed, call with "env"
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if [ -n "${env_changes}" ]; then
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pc_cmdline="${env_exe} ${env_changes} "
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else
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pc_cmdline=""
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fi
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pc_cmdline="${pc_cmdline}${ionice_exe} -c 3 ${duplicity_exe} ${encrypt_opts}"
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case "${pc_task}" in
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backup)
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pc_cmdline="${pc_cmdline} --allow-source-mismatch --volsize ${BACKUP_VOLSIZE} --full-if-older-than ${FULL_BACKUP_FREQUENCY}"
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pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_BACKUP} /backup/source" )"
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;;
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cleanup)
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pc_cmdline="${pc_cmdline} cleanup --force"
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pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_CLEAN}" )"
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;;
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rmfull)
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pc_cmdline="${pc_cmdline} remove-older-than ${BACKUP_RETENTION_TIME} --force"
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pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_RMFULL}" )"
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;;
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rmincr)
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pc_cmdline="${pc_cmdline} remove-all-inc-of-but-n-full ${KEEP_NUM_FULL_CHAINS} --force"
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pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_RMINCR}" )"
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;;
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esac
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pc_cmdline="${pc_cmdline} ${BACKUP_TARGET}"
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echo "${pc_cmdline}"
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}
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print_cron_schedule() {
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pcs_min="$( echo "${1}" | awk '{print $1}' )"
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pcs_hour="$( echo "${1}" | awk '{print $2}' )"
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pcs_day="$( echo "${1}" | awk '{print $3}' )"
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pcs_month="$( echo "${1}" | awk '{print $4}' )"
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pcs_weekday="$( echo "${1}" | awk '{print $5}' )"
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pcs_command="${2}"
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shift 2
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printf '%-8s%-8s%-8s%-8s%-8s%s\n' "${pcs_min}" "${pcs_hour}" "${pcs_day}" "${pcs_month}" "${pcs_weekday}" "${pcs_command}"
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}
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print_crontab() {
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echo '# crontab generated for kiwi-backup'
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printf '# generation time: '; date
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echo '#'
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# don't split the '#' from 'min'
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print_cron_schedule '#_min hour day month weekday' 'command' | tr '_' ' '
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print_cron_schedule "${SCHEDULE_BACKUP}" "$( print_command backup )"
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print_cron_schedule "${SCHEDULE_CLEANUP}" "$( print_command cleanup )"
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print_cron_schedule "${SCHEDULE_RMFULL}" "$( print_command rmfull )"
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print_cron_schedule "${SCHEDULE_RMINCR}" "$( print_command rmincr )"
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}
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########
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# MAIN #
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########
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if [ "${#}" -gt 0 ]; then
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# run a command
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case "${1}" in
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print-crontab)
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print_crontab
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;;
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print-backup|print-cleanup|print-rmfull|print-rmincr)
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print_command "${1##*-}"
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;;
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# execute single command
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backup|cleanup|rmfull|rmincr)
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print_command "${1}"
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cmd="$(print_command "${1}")"
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${cmd}
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;;
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*)
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>&2 echo "Unknown command '${1}'."
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exit 1
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;;
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esac
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else
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# default run: replace crontab, then start crond
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print_crontab | crontab -
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crond -fl 8
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fi
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exit 0
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112
run.sh
112
run.sh
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@ -1,112 +0,0 @@
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#!/bin/sh
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#############
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# CONSTANTS #
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#############
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env_exe="$(command -v env)"
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ionice_exe="$(command -v ionice)"
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duplicity_exe="$(command -v duplicity)"
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if [ -n "${GPG_KEY_ID}" ]; then
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# gpg key given
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env_changes="PASSPHRASE='${GPG_PASSPHRASE}'"
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encrypt_opts="--encrypt-key='${GPG_KEY_ID}'"
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else
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# no key given
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env_changes=""
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encrypt_opts="--no-encryption"
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fi
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#############
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# FUNCTIONS #
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#############
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trim_options() {
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# if args are given, trim whitespace, then add a space in front
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if [ -n "${1}" ]; then
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echo " $( echo "${1}" | xargs )"
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fi
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}
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print_command() {
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task="${1}"
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shift 1
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if [ -n "${env_changes}" ]; then
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# should change environment
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cmdline="${env_exe} ${env_changes} "
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else
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cmdline=""
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fi
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cmdline="${cmdline}${ionice_exe} -c 3 ${duplicity_exe} ${encrypt_opts}"
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case "${task}" in
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backup)
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cmdline="${cmdline} --allow-source-mismatch --volsize '${BACKUP_VOLSIZE}' --full-if-older-than '${FULL_BACKUP_FREQUENCY}'"
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cmdline="${cmdline}$( trim_options "${OPTIONS_BACKUP}" )"
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cmdline="${cmdline} /backup/source"
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;;
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cleanup)
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cmdline="${cmdline} cleanup --force"
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cmdline="${cmdline}$( trim_options "${OPTIONS_CLEAN}" )"
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;;
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rmfull)
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cmdline="${cmdline} remove-older-than '${BACKUP_RETENTION_TIME}' --force"
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cmdline="${cmdline}$( trim_options "${OPTIONS_RMFULL}" )"
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;;
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rmincr)
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cmdline="${cmdline} remove-all-inc-of-but-n-full '${KEEP_NUM_FULL_CHAINS}' --force"
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cmdline="${cmdline}$( trim_options "${OPTIONS_RMINCR}" )"
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;;
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esac
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cmdline="${cmdline} '${BACKUP_TARGET}'"
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echo "${cmdline}"
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}
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print_cron_schedule() {
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min="$( echo "${1}" | cut -d' ' -f1 )"
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hour="$( echo "${1}" | cut -d' ' -f2 )"
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day="$( echo "${1}" | cut -d' ' -f3 )"
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month="$( echo "${1}" | cut -d' ' -f4 )"
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weekday="$( echo "${1}" | cut -d' ' -f5 )"
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command="${2}"
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printf '%-8s%-8s%-8s%-8s%-8s%s' "${min}" "${hour}" "${day}" "${month}" "${weekday}" "${command}"
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}
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print_cron_header() {
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# don't split the '#' from 'min'
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print_cron_schedule '#_min hour day month weekday' 'command' | tr '_' ' '
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}
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print_crontab() {
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echo '# crontab generated for kiwi-backup'
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printf '# generation time: '; date
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echo '#'
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echo "$( print_cron_header )"
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echo "$( print_cron_schedule "${SCHEDULE_BACKUP}" "$( print_command backup )" )"
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echo "$( print_cron_schedule "${SCHEDULE_CLEANUP}" "$( print_command cleanup )" )"
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echo "$( print_cron_schedule "${SCHEDULE_RMFULL}" "$( print_command rmfull )" )"
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echo "$( print_cron_schedule "${SCHEDULE_RMINCR}" "$( print_command rmincr )" )"
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}
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########
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# MAIN #
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########
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if [ "${1}" = '-n' ]; then
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# dry-run
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print_crontab
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exit 0
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fi
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# replace crontab, start crond
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print_crontab | crontab -
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crond -fl 8
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exit 0
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