101 lines
2.1 KiB
Bash
Executable File
101 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# This script allows the package maintainer to change the default value
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# of any variable specified in ConfigData.pm without writing a patch.
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# Run this script from your build folder, before running configure or cmake.
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usage()
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{
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cat <<EOF
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USAGE:
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$0 VARIABLE DEFAULT [CONFIGDATA DIRECTORY]
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Replace the default value, DEFAULT, of the specified ZoneMinder
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variable, VARIABLE, located in ConfigData.pm.in.
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Default folder for ConfigData is ./scripts/ZoneMinder/lib/ZoneMinder
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Specify CONFIGDATA DIRETORY to override.
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Run this script from your build folder, before running configure or cmake.
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EXAMPLE:
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zmeditconfigdata.sh ZM_OPT_CAMBOZOLA yes
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WARNING:
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The user supplied value for DEFAULT is not checked for sanity. For example,
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changing ZM_LANG_DEFAULT to "pony" will cause bad things to happen!
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EOF
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}
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if [ -z "$1" ] || [ -z "$2" ]; then
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usage
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exit 0
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fi
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# Check to see if this script has access to all the commands it needs
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for CMD in set echo printf grep sed ; do
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type $CMD &> /dev/null
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if [ $? -ne 0 ]; then
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echo
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echo "ERROR: The script cannot find the required command \"${CMD}\"."
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echo
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exit 1
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fi
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done
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escape()
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{
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escaped=""
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local temp="$(printf %q "$1")"
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escaped="$(echo $temp | sed 's/\//\\\//g')"
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}
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# Assign variables once they are properly escaped
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escape $1
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variable=$escaped
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escape $2
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default=$escaped
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# Set the path to ConfigData
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if [ -n "$3" ]; then
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configdata="$3/ConfigData.pm.in"
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else
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configdata="./scripts/ZoneMinder/lib/ZoneMinder/ConfigData.pm.in"
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fi
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# Check to make sure we can find ConfigData
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if [ ! -e "$configdata" ]; then
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echo "CONFIGDATA FILE NOT FOUND: $configdata"
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exit 1
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fi
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# Now that we've found ConfidData, verify the supplied variable
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# is defined inside the ConfigData file.
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if [ -z "$(grep $variable $configdata)" ]; then
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echo "ZONEMINDER VARIABLE NOT FOUND: $variable"
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exit 1
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fi
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# Update the supplied variable with the new default value.
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# Don't stare too closely. You will burn your eyes out.
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sed -i '/.*'${variable}'.*/{
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$!{ N
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s/\(.*'${variable}'.*\n.*\)\"\(.*\)\"/\1\"'${default}'\"/
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t yes
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P
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D
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:yes
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}
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}' $configdata
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if [ "$?" != "0" ]; then
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echo "SED RETURNED FAILURE"
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exit 1
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fi
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