40 lines
1.3 KiB
Bash
40 lines
1.3 KiB
Bash
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#!/bin/bash
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set -e
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if [ "$1" = 'vcmp' ]; then
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# 1: Get environment variables -- printenv
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# 2: Filter all which start with SAMP_* -- grep '^VCMP_*'
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VcmpVars=`env | grep '^VCMP_*'`
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# Hand over environment variables as arguments for easier handling
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# As values of environment variables may contain whitespaces the IFS needs to be overwritten
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OLDIFS=$IFS
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IFS=$'\n'
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OLDARGS=$*
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set ${VcmpVars:=""}
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# 3: Loop through each of the variables
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for config in $*; do
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# 4: Split environment variable up in key-value by specifying the '='-char as separator
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key=`echo $config | cut -d\= -f1`
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value=`echo $config | cut -d\= -f2`
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# 5: Extract the part after "SAMP_" as key
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key=${key:5}
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# 6: Transform the key to lowercase
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key=`echo $key | tr '[:upper:]' '[:lower:]'`
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# 7: Check if there's already a line with the respective key in the server.cfg
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# 7.1 - True: Replace the current value with the new value
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# 7.2 - False: Add new line to server.cfg with the key-value pair
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grep -q "$key" vcmp/server.cfg && \
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sed -i "s/$key .*/$key $value/" vcmp/server.cfg 2>/dev/null || \
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sed -i "$ a\\$key $value" vcmp/server.cfg 2>/dev/null
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done
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IFS=$OLDIFS
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set $OLDARGS
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fi
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exec "$@"
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