template.run.sh Maven / Gradle / Ivy
#!/usr/bin/env bash
SEIMI_HOME=$(cd `dirname $0`; cd ..; pwd)
#https://github.com/rudimeier/bash_ini_parser
function read_ini()
{
S_SECTION=$2; S_ITEM=$3
# Be strict with the prefix, since it's going to be run through eval
function check_prefix()
{
if ! [[ "${VARNAME_PREFIX}" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]] ;then
echo "read_ini: invalid prefix '${VARNAME_PREFIX}'" >&2
return 1
fi
}
function check_ini_file()
{
if [ ! -r "$INI_FILE" ] ;then
echo "read_ini: '${INI_FILE}' doesn't exist or not" \
"readable" >&2
return 1
fi
}
# enable some optional shell behavior (shopt)
function pollute_bash()
{
if ! shopt -q extglob ;then
SWITCH_SHOPT="${SWITCH_SHOPT} extglob"
fi
if ! shopt -q nocasematch ;then
SWITCH_SHOPT="${SWITCH_SHOPT} nocasematch"
fi
shopt -q -s ${SWITCH_SHOPT}
}
# unset all local functions and restore shopt settings before returning
# from read_ini()
function cleanup_bash()
{
shopt -q -u ${SWITCH_SHOPT}
unset -f check_prefix check_ini_file pollute_bash cleanup_bash
}
local INI_FILE=""
local INI_SECTION=""
# {{{ START Deal with command line args
# Set defaults
local BOOLEANS=1
local VARNAME_PREFIX=INI
local CLEAN_ENV=0
# {{{ START Options
# Available options:
# --boolean Whether to recognise special boolean values: ie for 'yes', 'true'
# and 'on' return 1; for 'no', 'false' and 'off' return 0. Quoted
# values will be left as strings
# Default: on
#
# --prefix=STRING String to begin all returned variables with (followed by '__').
# Default: INI
#
# First non-option arg is filename, second is section name
while [ $# -gt 0 ]
do
case $1 in
--clean | -c )
CLEAN_ENV=1
;;
--booleans | -b )
shift
BOOLEANS=$1
;;
--prefix | -p )
shift
VARNAME_PREFIX=$1
;;
* )
if [ -z "$INI_FILE" ]
then
INI_FILE=$1
else
if [ -z "$INI_SECTION" ]
then
INI_SECTION=$1
fi
fi
;;
esac
shift
done
if [ -z "$INI_FILE" ] && [ "${CLEAN_ENV}" = 0 ] ;then
echo -e "Usage: read_ini [-c] [-b 0| -b 1]] [-p PREFIX] FILE"\
"[SECTION]\n or read_ini -c [-p PREFIX]" >&2
cleanup_bash
return 1
fi
if ! check_prefix ;then
cleanup_bash
return 1
fi
local INI_ALL_VARNAME="${VARNAME_PREFIX}__ALL_VARS"
local INI_ALL_SECTION="${VARNAME_PREFIX}__ALL_SECTIONS"
local INI_NUMSECTIONS_VARNAME="${VARNAME_PREFIX}__NUMSECTIONS"
if [ "${CLEAN_ENV}" = 1 ] ;then
eval unset "\$${INI_ALL_VARNAME}"
fi
unset ${INI_ALL_VARNAME}
unset ${INI_ALL_SECTION}
unset ${INI_NUMSECTIONS_VARNAME}
if [ -z "$INI_FILE" ] ;then
cleanup_bash
return 0
fi
if ! check_ini_file ;then
cleanup_bash
return 1
fi
# Sanitise BOOLEANS - interpret "0" as 0, anything else as 1
if [ "$BOOLEANS" != "0" ]
then
BOOLEANS=1
fi
# }}} END Options
# }}} END Deal with command line args
local LINE_NUM=0
local SECTIONS_NUM=0
local SECTION=""
# IFS is used in "read" and we want to switch it within the loop
local IFS=$' \t\n'
local IFS_OLD="${IFS}"
# we need some optional shell behavior (shopt) but want to restore
# current settings before returning
local SWITCH_SHOPT=""
pollute_bash
TARGET_VAR=${VARNAME_PREFIX}__${S_SECTION}__${S_ITEM}
while read -r line || [ -n "$line" ]
do
((LINE_NUM++))
# Skip blank lines and comments
if [ -z "$line" -o "${line:0:1}" = ";" -o "${line:0:1}" = "#" ]
then
continue
fi
# Section marker?
if [[ "${line}" =~ ^\[[a-zA-Z0-9_]{1,}\]$ ]]
then
# Set SECTION var to name of section (strip [ and ] from section marker)
SECTION="${line#[}"
SECTION="${SECTION%]}"
eval "${INI_ALL_SECTION}=\"\${${INI_ALL_SECTION}# } $SECTION\""
((SECTIONS_NUM++))
continue
fi
# Are we getting only a specific section? And are we currently in it?
if [ ! -z "$INI_SECTION" ]
then
if [ "$SECTION" != "$INI_SECTION" ]
then
continue
fi
fi
# Valid var/value line? (check for variable name and then '=')
if ! [[ "${line}" =~ ^[a-zA-Z0-9._]{1,}[[:space:]]*= ]]
then
echo "Error: Invalid line:" >&2
echo " ${LINE_NUM}: $line" >&2
cleanup_bash
return 1
fi
# split line at "=" sign
IFS="="
read -r VAR VAL <<< "${line}"
IFS="${IFS_OLD}"
# delete spaces around the equal sign (using extglob)
VAR="${VAR%%+([[:space:]])}"
VAL="${VAL##+([[:space:]])}"
VAR=$(echo $VAR)
# Construct variable name:
# ${VARNAME_PREFIX}__$SECTION__$VAR
# Or if not in a section:
# ${VARNAME_PREFIX}__$VAR
# In both cases, full stops ('.') are replaced with underscores ('_')
if [ -z "$SECTION" ]
then
VARNAME=${VARNAME_PREFIX}__${VAR//./_}
else
VARNAME=${VARNAME_PREFIX}__${SECTION}__${VAR//./_}
fi
eval "${INI_ALL_VARNAME}=\"\${${INI_ALL_VARNAME}# } ${VARNAME}\""
if [[ "${VAL}" =~ ^\".*\"$ ]]
then
# remove existing double quotes
VAL="${VAL##\"}"
VAL="${VAL%%\"}"
elif [[ "${VAL}" =~ ^\'.*\'$ ]]
then
# remove existing single quotes
VAL="${VAL##\'}"
VAL="${VAL%%\'}"
elif [ "$BOOLEANS" = 1 ]
then
# Value is not enclosed in quotes
# Booleans processing is switched on, check for special boolean
# values and convert
# here we compare case insensitive because
# "shopt nocasematch"
case "$VAL" in
yes | true | on )
VAL=1
;;
no | false | off )
VAL=0
;;
esac
fi
# enclose the value in single quotes and escape any
# single quotes and backslashes that may be in the value
VAL="${VAL//\\/\\\\}"
#VAL="\$'${VAL//\'/\'}'"
if [[ $VARNAME = $TARGET_VAR ]]
then
echo "${VAL}"
break
fi
done <"${INI_FILE}"
cleanup_bash
}
function usage(){
cat<$SEIMI_STDOUT 2>&1 &
PID=`echo $!`
if [ -d "/proc/$PID" ]; then
echo $!>"$SEIMI_HOME/.seimicrawler.lock.pid"
echo "[Info]SeimiCrawler started,pid: $PID"
else
echo "[Error]SeimiCrawler start failed ,you can see more info in $SEIMI_STDOUT."
fi
exit 0
}
function stop(){
if [ -f "$SEIMI_HOME/.seimicrawler.lock.pid" ]; then
echo "SeimiCrawler pid file is ok."
else
echo "No SeimiCrawler instance is alive,home dir: $SEIMI_HOME"
exit 0
fi
pid=$(cat $SEIMI_HOME/.seimicrawler.lock.pid)
if [ ! -d "/proc/$pid" ]; then
echo "No SeimiCrawler instance is running,pid:$pid"
rm "$SEIMI_HOME/.seimicrawler.lock.pid"
exit 0
else
kill $pid
if [ $? -eq 0 ]; then
echo "Stop current SeimiCrawler instance,pid:$pid"
rm "$SEIMI_HOME/.seimicrawler.lock.pid"
exit 0
else
echo "Stop current SeimiCrawler instance failed,pid:$pid"
fi
fi
rm "$SEIMI_HOME/.seimicrawler.lock.pid"
exit 0
}
for arg ;do
case "$arg" in
help) usage ;;
start) start;;
stop) stop;;
esac
done
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