interactive hooks + add verbose mode + shellcheck fixes
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b9da112b6d
commit
997eff6ca7
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@ -62,6 +62,7 @@ get_end_date() {
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get_now() {
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date +"%Y-%m-%dT%H:%M:%S%z"
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}
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get_complete_hostname() {
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REAL_HOSTNAME=$(get_fqdn)
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if [ "${HOSTNAME}" = "${REAL_HOSTNAME}" ]; then
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@ -70,6 +71,7 @@ get_complete_hostname() {
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echo "${HOSTNAME} (${REAL_HOSTNAME})"
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fi
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}
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get_repository_status() {
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dir=$1
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# tell Git where to find the repository and the work tree (no need to `cd …` there)
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@ -116,9 +118,10 @@ hook_commit() {
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unset GIT_DIR GIT_WORK_TREE
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done
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if [ -n "${GIT_COMMITS}" ]; then
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if [ "${DRY_RUN}" = "1" ]; then
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if [ "${VERBOSE}" = "1" ]; then
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echo "\n\n********** Commits ****************\n${GIT_COMMITS}\n***********************************"
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else
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fi
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if [ "${DRY_RUN}" != "1" ]; then
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echo "${GIT_COMMITS}" >> "${LOGFILE}"
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fi
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fi
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@ -129,9 +132,10 @@ hook_db() {
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SQL_DETAILS=$(echo "${MESSAGE}" | sed "s/'/''/g")
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PG_QUERY="INSERT INTO evomaint(hostname,userid,ipaddress,begin_date,end_date,details) VALUES ('${HOSTNAME}','${USER}','${IP}','${BEGIN_DATE}',now(),'${SQL_DETAILS}')"
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if [ "${DRY_RUN}" = "1" ]; then
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if [ "${VERBOSE}" = "1" ]; then
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echo "\n\n********** DB query **************\n${PG_QUERY}\n***********************************"
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else
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fi
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if [ "${DRY_RUN}" != "1" ]; then
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echo "${PG_QUERY}" | psql ${PGDB} ${PGTABLE} -h ${PGHOST}
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fi
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}
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@ -139,16 +143,22 @@ hook_db() {
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hook_mail() {
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MAIL_TEXTE=$(echo "${MESSAGE}" | sed -e "s@/@\\\\\/@g ; s@&@\\\\&@")
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MAIL_GIT_COMMITS=$(echo "${GIT_COMMITS}" | sed -e "s@/@\\\\\/@g ; s@&@\\\\&@")
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MAIL_CONTENT=$(cat /usr/share/scripts/evomaintenance.tpl | \
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sed -e "s/__TO__/${EVOMAINTMAIL}/ ; s/__HOSTNAME__/${HOSTNAME_TEXT}/ ; s/__USER__/${USER}/ ; s/__BEGIN_DATE__/${BEGIN_DATE}/ ; s/__END_DATE__/${END_DATE}/ ; s/__GIT_COMMITS__/${MAIL_GIT_COMMITS}/ ; s/__TEXTE__/${MAIL_TEXTE}/ ; s/__IP__/${IP}/ ; s/__FULLFROM__/${FULLFROM}/ ; s/__FROM__/${FROM}/ ; s/__URGENCYFROM__/${URGENCYFROM}/ ; s/__URGENCYTEL__/${URGENCYTEL}/")
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MAIL_CONTENT=$(sed -e "s/__TO__/${EVOMAINTMAIL}/ ; s/__HOSTNAME__/${HOSTNAME_TEXT}/ ; s/__USER__/${USER}/ ; s/__BEGIN_DATE__/${BEGIN_DATE}/ ; s/__END_DATE__/${END_DATE}/ ; s/__GIT_COMMITS__/${MAIL_GIT_COMMITS}/ ; s/__TEXTE__/${MAIL_TEXTE}/ ; s/__IP__/${IP}/ ; s/__FULLFROM__/${FULLFROM}/ ; s/__FROM__/${FROM}/ ; s/__URGENCYFROM__/${URGENCYFROM}/ ; s/__URGENCYTEL__/${URGENCYTEL}/" /usr/share/scripts/evomaintenance.tpl)
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if [ "${DRY_RUN}" = "1" ]; then
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if [ "${VERBOSE}" = "1" ]; then
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echo "\n\n********** Mail *******************\n${MAIL_CONTENT}\n***********************************"
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else
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fi
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if [ "${DRY_RUN}" != "1" ]; then
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echo "${MAIL_CONTENT}" | ${SENDMAIL_BIN} -oi -t -f ${FROM}
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fi
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}
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hook_log() {
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echo "----------- $(get_now) ---------------" >> "${LOGFILE}"
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echo "${BLOB}" >> "${LOGFILE}"
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}
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# load configuration if present.
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test -f /etc/evomaintenance.cf && . /etc/evomaintenance.cf
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[ -n "${HOSTNAME}" ] || HOSTNAME=$(get_fqdn)
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@ -159,6 +169,10 @@ test -f /etc/evomaintenance.cf && . /etc/evomaintenance.cf
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[ -n "${OPT_DB}" ] || OPT_DB=1
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[ -n "${OPT_MAIL}" ] || OPT_MAIL=1
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[ -n "${DRY_RUN}" ] || DRY_RUN=0
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[ -n "${VERBOSE}" ] || VERBOSE=0
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# initialize variable
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MESSAGE=""
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# Parse options
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# based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
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@ -168,7 +182,8 @@ while :; do
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# show_help
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# exit
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# ;;
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-m|--message) # Takes an option argument, ensuring it has been specified.
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-m|--message)
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# message options, with value speparated by space
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if [ -n "$2" ]; then
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MESSAGE=$2
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shift
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@ -178,54 +193,79 @@ while :; do
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fi
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;;
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--message=?*)
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MESSAGE=${1#*=} # Delete everything up to "=" and assign the remainder.
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# message options, with value speparated by =
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MESSAGE=${1#*=}
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;;
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--message=) # Handle the case of an empty --file=
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--message=)
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# message options, without value
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printf 'ERROR: "--message" requires a non-empty option argument.\n' >&2
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exit 1
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;;
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--no-commit) # Takes an option argument
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--no-commit)
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# disable commit hook
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OPT_COMMIT=0
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;;
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--commit) # Takes an option argument
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--commit)
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# enable commit hook
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OPT_COMMIT=1
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;;
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--no-db) # Takes an option argument
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--no-db)
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# disable DB hook
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OPT_DB=0
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;;
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--db) # Takes an option argument
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--db)
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# enable DB hook
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OPT_DB=1
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;;
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--no-mail) # Takes an option argument
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--no-mail)
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# disable mail hook
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OPT_MAIL=0
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;;
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--mail) # Takes an option argument
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--mail)
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# enable mail hook
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OPT_MAIL=1
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;;
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-n|--dry-run) # Takes an option argument
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-n|--dry-run)
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# disable actual commands
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DRY_RUN=1
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;;
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--) # End of all options.
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-v|--verbose)
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# print verbose information
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VERBOSE=1
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;;
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--)
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# End of all options.
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shift
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break
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;;
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-?*)
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# ignore unknown options
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printf 'WARN: Unknown option (ignored): %s\n' "$1" >&2
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;;
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*) # Default case: If no more options then break out of the loop.
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*)
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# Default case: If no more options then break out of the loop.
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break
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esac
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shift
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done
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# Print options
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if [ "${VERBOSE}" = "1" ]; then
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echo "********** Options ****************"
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echo "MESSAGE: ${MESSAGE}"
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echo "OPT_COMMIT: ${OPT_COMMIT}"
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echo "OPT_DB: ${OPT_DB}"
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echo "OPT_MAIL: ${OPT_MAIL}"
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echo "DRY_RUN: ${DRY_RUN}"
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echo "***********************************\n"
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fi
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# Treat unset variables as an error when substituting.
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# Only after this line, because some config variables might be missing.
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set -u
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# Gather information
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MESSAGE=""
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HOSTNAME_TEXT=$(get_complete_hostname)
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# TTY=$(get_tty)
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# WHO=$(get_who)
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@ -241,9 +281,9 @@ GIT_BIN=$(command -v git)
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GIT_REPOSITORIES="/etc /etc/bind"
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# git statuses
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# initialize variable
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GIT_STATUSES=""
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# git statuses
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if test -x "${GIT_BIN}"; then
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# loop on possible directories managed by GIT
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for dir in ${GIT_REPOSITORIES}; do
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@ -254,24 +294,19 @@ if test -x "${GIT_BIN}"; then
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fi
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unset RESULT
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done
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if test -n "${GIT_STATUSES}"; then
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echo "/!\ There are some uncommited changes. If you proceed, everything will be commited."
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echo "${GIT_STATUSES}"
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echo ""
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fi
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fi
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# find out if running in interactive mode, or not
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if [ -t 0 ]; then
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INTERACTIVE=1
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else
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INTERACTIVE=0
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fi
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if [ -z "${MESSAGE}" -a "${INTERACTIVE}" = "1" ]; then
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if [ -z "${MESSAGE}" ] && [ "${INTERACTIVE}" = "1" ]; then
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# get input from stdin
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echo "> Please, enter details about your maintenance"
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read MESSAGE
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read -r MESSAGE
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fi
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if test -z "${MESSAGE}"; then
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@ -279,7 +314,7 @@ if test -z "${MESSAGE}"; then
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exit 1
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fi
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# recapitulatif
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# Display information
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BLOB=$(cat <<END
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Host : $HOSTNAME_TEXT
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User : $USER
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@ -289,26 +324,125 @@ End : $END_DATE
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Message : $MESSAGE
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END
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)
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echo ""
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echo "${BLOB}"
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echo ""
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echo "> Press <Enter> to submit, or <Ctrl+c> to cancel."
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read enter
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# write log
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if [ "${DRY_RUN}" = "1" ]; then
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echo "\n\n********** Log ********************\n${BLOB}\n***********************************"
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else
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echo "----------- $(get_now) ---------------" >> "${LOGFILE}"
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echo "${BLOB}" >> "${LOGFILE}"
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# Log hook
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if [ "${DRY_RUN}" != "1" ]; then
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hook_log
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fi
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# Commit hook
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if [ "${INTERACTIVE}" = "1" ]; then
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if test -n "${GIT_STATUSES}" && [ "${OPT_COMMIT}" = "1" ]; then
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echo "/!\ There are some uncommited changes."
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echo "${GIT_STATUSES}"
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echo ""
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y="Y"; n="n"
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question="Do you want to commit the changes? [${y}${n}] "
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answer=""
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while true; do
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echo "${question}"
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read -r answer
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case $answer in
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[Yy] )
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hook_commit;
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break
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;;
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[Nn] )
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break
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;;
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"" )
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if [ "${OPT_COMMIT}" = "1" ]; then
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hook_commit
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fi
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break
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;;
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* )
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echo "answer with a valid choice"
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;;
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esac
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done
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fi
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else
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if [ "${OPT_COMMIT}" = "1" ]; then
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hook_commit
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fi
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fi
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# Database hook
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if [ "${INTERACTIVE}" = "1" ]; then
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if [ "${OPT_DB}" = "1" ]; then
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y="Y"; n="n"
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else
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y="y"; n="N"
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fi
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question="\nDo you want to insert your message into the database? [${y}${n}] "
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answer=""
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while true; do
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echo "${question}"
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read -r answer
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case $answer in
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[Yy] )
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hook_db;
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break
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;;
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[Nn] )
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break
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;;
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"" )
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if [ "${OPT_DB}" = "1" ]; then
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hook_db
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fi
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break
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;;
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* )
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echo "answer with a valid choice"
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;;
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esac
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done
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else
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if [ "${OPT_DB}" = "1" ]; then
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hook_db
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fi
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fi
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# Mail hook
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if [ "${INTERACTIVE}" = "1" ]; then
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if [ "${OPT_MAIL}" = "1" ]; then
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y="Y"; n="n"
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else
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y="y"; n="N"
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fi
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question="Do you want to send an email? [${y}${n}] "
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answer=""
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while true; do
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echo "${question}"
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read -r answer
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case $answer in
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[Yy] )
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hook_db;
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break
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;;
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[Nn] )
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break
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;;
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"" )
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if [ "${OPT_MAIL}" = "1" ]; then
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hook_mail
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fi
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break
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;;
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* )
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echo "answer with a valid choice"
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;;
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esac
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done
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else
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if [ "${OPT_MAIL}" = "1" ]; then
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hook_mail
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fi
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fi
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# Hooks
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# git commit
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[ "${OPT_COMMIT}" = "1" ] && hook_commit
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# insert into PG
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[ "${OPT_DB}" = "1" ] && hook_db
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# send mail
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[ "${OPT_MAIL}" = "1" ] && hook_mail
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exit 0
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