Created
November 15, 2018 10:33
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Example task that synchronizes a directory using git
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#! /usr/bin/env bash | |
r_evaluator() | |
{ | |
local cmd="$1" | |
local statefile="$2" | |
redirect_exekutor "${statefile}" echo "${cmd}" || exit 1 | |
case "${cmd}" in | |
"stash pull") | |
RVAL="pull" | |
exekutor git stash save --quiet | |
;; | |
"pull") | |
RVAL="stash pop" | |
exekutor git pull -f --quiet | |
;; | |
"stash pop") | |
RVAL="add" | |
exekutor git stash pop --quiet | |
;; | |
"add") | |
RVAL="commit" | |
exekutor git add --all | |
;; | |
"commit") | |
RVAL="push" | |
exekutor git commit -m "* automated push from \ | |
${MULLE_HOSTNAME} with mulle-monitor" --quiet | |
;; | |
"push") | |
RVAL="" | |
exekutor git push -f --quiet | |
;; | |
*) | |
remove_file_if_present "${statefile}" | |
fail "Unknown command \"${cmd}\"" | |
;; | |
esac | |
} | |
commit_and_push_task_run() | |
{ | |
log_entry "commit_and_push_task_run" "$@" | |
local statefile | |
[ -z "${MULLE_MONITOR_VAR_DIR}" ] && internal_fail "MULLE_MONITOR_VAR_DIR is undefined" | |
statefile="${MULLE_MONITOR_VAR_DIR}/commit-and-push" | |
# | |
# Try not to lose anything... | |
# | |
# We keep an internal state and restart from there | |
# assuming it got interrupted there. | |
# | |
# | |
local cmd | |
local lenient | |
lenient='NO' | |
if [ -f "${statefile}" ] | |
then | |
cmd="`cat "${statefile}"`" | |
lenient='YES' # first command might have gone through | |
fi | |
cmd="${cmd:-stash pull}" | |
r_mkdir_parent_if_missing "${statefile}" || exit 1 | |
while [ ! -z "${cmd}" ] | |
do | |
if ! r_evaluator "${cmd}" "${statefile}" "${lenient}" | |
then | |
[ "${lenient}" = 'NO' ] && exit 1 | |
fi | |
cmd="${RVAL}" | |
lenient='NO' | |
done | |
remove_file_if_present "${statefile}" | |
} | |
if [ -z "${MULLE_MONITOR_TASK_LOAD}" ] | |
then | |
if [ -z "${MULLE_BASHFUNCTIONS_LIBEXEC_DIR}" ] | |
then | |
MULLE_BASHFUNCTIONS_LIBEXEC_DIR="`mulle-bashfunctions-env libexec-dir 2> /dev/null`" | |
[ -z "${MULLE_BASHFUNCTIONS_LIBEXEC_DIR}" ] && \ | |
echo "mulle-bashfunctions are not installed" >&2 && \ | |
exit 1 | |
. "${MULLE_BASHFUNCTIONS_LIBEXEC_DIR}/mulle-bashfunctions.sh" || exit 1 | |
fi | |
[ "${TRACE}" = 'YES' ] && set -x && : "$0" "$@" | |
commit_and_push_task_run | |
fi | |
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