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chore(build): update utils.inc.sh
This commit is contained in:
Daniel
+241
-244
@@ -1,244 +1,241 @@
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# bash utils from angularjs
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# bash utils from angularjs
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# This file provides:
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# This file provides:
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# - a default control flow
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# - a default control flow
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# * initializes the environment
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# * initializes the environment
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# * call a function in your script based on the arguments
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# * call a function in your script based on the arguments
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# - named argument parsing and automatic generation of the "usage" for your script
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# - named argument parsing and automatic generation of the "usage" for your script
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# - utility functions
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# - utility functions
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#
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#
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# Usage:
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# Usage:
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# - define the variable ARGS_DEF (see below) with the arguments for your script
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# - define the variable ARGS_DEF (see below) with the arguments for your script
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# - include this file using `source utils.inc` at the end of your script.
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# - include this file using `source utils.inc` at the end of your script.
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#
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#
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# Default control flow:
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# Default control flow:
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# 0. Set the current directory to the directory of the script. By this
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# 0. Set the current directory to the directory of the script. By this
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# the script can be called from anywhere.
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# the script can be called from anywhere.
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# 1. Parse the named arguments
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# 1. Parse the named arguments
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# 2. [Redacted]
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# 2. [Redacted]
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# 3. If the parameter "verbose" is set, the `-x` flag will be set in bash.
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# 3. If the parameter "verbose" is set, the `-x` flag will be set in bash.
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# 4. The function "init" will be called if it exists
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# 4. The function "init" will be called if it exists
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# 5. If the parameter "action" is set, it will call the function with the name of that parameter.
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# 5. If the parameter "action" is set, it will call the function with the name of that parameter.
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# Otherwise the function "run" will be called.
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# Otherwise the function "run" will be called.
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#
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#
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# Named Argument Parsing:
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# Named Argument Parsing:
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# - The variable ARGS_DEF defines the valid command arguments
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# - The variable ARGS_DEF defines the valid command arguments
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# * Required args syntax: --paramName=paramRegex
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# * Required args syntax: --paramName=paramRegex
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# * Optional args syntax: [--paramName=paramRegex]
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# * Optional args syntax: [--paramName=paramRegex]
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# * e.g. ARG_DEFS=("--required_param=(.+)" "[--optional_param=(.+)]")
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# * e.g. ARG_DEFS=("--required_param=(.+)" "[--optional_param=(.+)]")
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# - Checks that:
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# - Checks that:
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# * all arguments match to an entry in ARGS_DEF
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# * all arguments match to an entry in ARGS_DEF
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# * all required arguments are present
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# * all required arguments are present
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# * all arguments match their regex
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# * all arguments match their regex
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# - Afterwards, every paramter value will be stored in a variable
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# - Afterwards, every paramter value will be stored in a variable
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# with the name of the parameter in upper case (with dash converted to underscore).
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# with the name of the parameter in upper case (with dash converted to underscore).
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#
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#
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# Special arguments that are always available:
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# Special arguments that are always available:
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# - "--action=.*": This parameter will be used to dispatch to a function with that name when the
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# - "--action=.*": This parameter will be used to dispatch to a function with that name when the
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# script is started
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# script is started
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# - "--verbose=true": This will set the `-x` flag in bash so that all calls will be logged
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#
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# - "--verbose=true": This will set the `-x` flag in bash so that all calls will be logged
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# Utility functions:
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#
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# - readJsonProp
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# Utility functions:
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# - replaceJsonProp
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# - readJsonProp
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# - resolveDir
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# - replaceJsonProp
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# - getVar
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# - resolveDir
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# - serVar
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# - getVar
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# - isFunction
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# - serVar
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# always stop on errors
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# - isFunction
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set -e
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# always stop on errors
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function usage {
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set -e
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echo "Usage: ${0} ${ARG_DEFS[@]}"
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exit 1
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function usage {
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}
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echo "Usage: ${0} ${ARG_DEFS[@]}"
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exit 1
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}
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function parseArgs {
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local REQUIRED_ARG_NAMES=()
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function parseArgs {
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# -- helper functions
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local REQUIRED_ARG_NAMES=()
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function varName {
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# everything to upper case and dash to underscore
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# -- helper functions
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echo ${1//-/_} | tr '[:lower:]' '[:upper:]'
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function varName {
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}
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# everything to upper case and dash to underscore
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echo ${1//-/_} | tr '[:lower:]' '[:upper:]'
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function readArgDefs {
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}
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local ARG_DEF
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local AD_OPTIONAL
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function readArgDefs {
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local AD_NAME
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local ARG_DEF
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local AD_RE
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local AD_OPTIONAL
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local AD_NAME
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# -- helper functions
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local AD_RE
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function parseArgDef {
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local ARG_DEF_REGEX="(\[?)--([^=]+)=(.*)"
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# -- helper functions
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if [[ ! $1 =~ $ARG_DEF_REGEX ]]; then
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function parseArgDef {
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echo "Internal error: arg def has wrong format: $ARG_DEF"
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local ARG_DEF_REGEX="(\[?)--([^=]+)=(.*)"
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exit 1
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if [[ ! $1 =~ $ARG_DEF_REGEX ]]; then
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fi
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echo "Internal error: arg def has wrong format: $ARG_DEF"
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AD_OPTIONAL="${BASH_REMATCH[1]}"
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exit 1
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AD_NAME="${BASH_REMATCH[2]}"
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fi
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AD_RE="${BASH_REMATCH[3]}"
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AD_OPTIONAL="${BASH_REMATCH[1]}"
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if [[ $AD_OPTIONAL ]]; then
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AD_NAME="${BASH_REMATCH[2]}"
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# Remove last bracket for optional args.
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AD_RE="${BASH_REMATCH[3]}"
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# Can't put this into the ARG_DEF_REGEX somehow...
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if [[ $AD_OPTIONAL ]]; then
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AD_RE=${AD_RE%?}
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# Remove last bracket for optional args.
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fi
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# Can't put this into the ARG_DEF_REGEX somehow...
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}
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AD_RE=${AD_RE%?}
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fi
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# -- run
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}
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for ARG_DEF in "${ARG_DEFS[@]}"
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do
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# -- run
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parseArgDef $ARG_DEF
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for ARG_DEF in "${ARG_DEFS[@]}"
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do
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local AD_NAME_UPPER=$(varName $AD_NAME)
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parseArgDef $ARG_DEF
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setVar "${AD_NAME_UPPER}_OPTIONAL" "$AD_OPTIONAL"
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setVar "${AD_NAME_UPPER}_RE" "$AD_RE"
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local AD_NAME_UPPER=$(varName $AD_NAME)
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if [[ ! $AD_OPTIONAL ]]; then
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setVar "${AD_NAME_UPPER}_OPTIONAL" "$AD_OPTIONAL"
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REQUIRED_ARG_NAMES+=($AD_NAME)
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setVar "${AD_NAME_UPPER}_RE" "$AD_RE"
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fi
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if [[ ! $AD_OPTIONAL ]]; then
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done
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REQUIRED_ARG_NAMES+=($AD_NAME)
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}
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fi
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done
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function readAndValidateArgs {
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}
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local ARG_NAME
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local ARG_VALUE
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function readAndValidateArgs {
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local ARG_NAME_UPPER
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local ARG_NAME
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local ARG_VALUE
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# -- helper functions
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local ARG_NAME_UPPER
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function parseArg {
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local ARG_REGEX="--([^=]+)=?(.*)"
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# -- helper functions
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function parseArg {
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if [[ ! $1 =~ $ARG_REGEX ]]; then
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local ARG_REGEX="--([^=]+)=?(.*)"
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echo "Can't parse argument $i"
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usage
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if [[ ! $1 =~ $ARG_REGEX ]]; then
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fi
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echo "Can't parse argument $i"
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usage
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ARG_NAME="${BASH_REMATCH[1]}"
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fi
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ARG_VALUE="${BASH_REMATCH[2]}"
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ARG_NAME_UPPER=$(varName $ARG_NAME)
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ARG_NAME="${BASH_REMATCH[1]}"
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}
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ARG_VALUE="${BASH_REMATCH[2]}"
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ARG_NAME_UPPER=$(varName $ARG_NAME)
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function validateArg {
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}
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local AD_RE=$(getVar ${ARG_NAME_UPPER}_RE)
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function validateArg {
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if [[ ! $AD_RE ]]; then
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local AD_RE=$(getVar ${ARG_NAME_UPPER}_RE)
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echo "Unknown option: $ARG_NAME"
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usage
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if [[ ! $AD_RE ]]; then
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fi
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echo "Unknown option: $ARG_NAME"
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usage
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if [[ ! $ARG_VALUE =~ ^${AD_RE}$ ]]; then
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fi
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echo "Wrong format: $ARG_NAME"
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usage;
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if [[ ! $ARG_VALUE =~ ^${AD_RE}$ ]]; then
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fi
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echo "Wrong format: $ARG_NAME"
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usage;
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# validate that the "action" option points to a valid function
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fi
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if [[ $ARG_NAME == "action" ]] && ! isFunction $ARG_VALUE; then
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echo "No action $ARG_VALUE defined in this script"
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# validate that the "action" option points to a valid function
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usage;
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if [[ $ARG_NAME == "action" ]] && ! isFunction $ARG_VALUE; then
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fi
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echo "No action $ARG_VALUE defined in this script"
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}
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usage;
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fi
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# -- run
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}
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for i in "$@"
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do
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# -- run
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parseArg $i
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for i in "$@"
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validateArg
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do
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setVar "${ARG_NAME_UPPER}" "$ARG_VALUE"
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parseArg $i
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done
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validateArg
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}
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setVar "${ARG_NAME_UPPER}" "$ARG_VALUE"
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done
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function checkMissingArgs {
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}
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local ARG_NAME
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for ARG_NAME in "${REQUIRED_ARG_NAMES[@]}"
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function checkMissingArgs {
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do
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local ARG_NAME
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ARG_VALUE=$(getVar $(varName $ARG_NAME))
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for ARG_NAME in "${REQUIRED_ARG_NAMES[@]}"
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do
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if [[ ! $ARG_VALUE ]]; then
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ARG_VALUE=$(getVar $(varName $ARG_NAME))
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echo "Missing: $ARG_NAME"
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usage;
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if [[ ! $ARG_VALUE ]]; then
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fi
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echo "Missing: $ARG_NAME"
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done
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usage;
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}
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fi
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done
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# -- run
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}
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readArgDefs
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readAndValidateArgs "$@"
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# -- run
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checkMissingArgs
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readArgDefs
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readAndValidateArgs "$@"
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}
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checkMissingArgs
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# getVar(varName)
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}
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function getVar {
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echo ${!1}
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# getVar(varName)
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}
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function getVar {
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echo ${!1}
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# setVar(varName, varValue)
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}
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function setVar {
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eval "$1=\"$2\""
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# setVar(varName, varValue)
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}
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function setVar {
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eval "$1=\"$2\""
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# isFunction(name)
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}
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# - to be used in an if, so return 0 if successful and 1 if not!
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function isFunction {
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# isFunction(name)
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if [[ $(type -t $1) == "function" ]]; then
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# - to be used in an if, so return 0 if successful and 1 if not!
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return 0
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function isFunction {
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else
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if [[ $(type -t $1) == "function" ]]; then
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return 1
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return 0
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fi
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else
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}
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return 1
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fi
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# readJsonProp(jsonFile, property)
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}
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# - restriction: property needs to be on an own line!
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function readJsonProp {
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# readJsonProp(jsonFile, property)
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echo $(sed -En 's/.*"'$2'"[ ]*:[ ]*"(.*)".*/\1/p' $1)
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# - restriction: property needs to be on an own line!
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}
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function readJsonProp {
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echo $(sed -En 's/.*"'$2'"[ ]*:[ ]*"(.*)".*/\1/p' $1)
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# replaceJsonProp(jsonFile, property, newValue)
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}
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# - note: propertyRegex will be automatically placed into a
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# capturing group! -> all other groups start at index 2!
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# replaceJsonProp(jsonFile, property, newValue)
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function replaceJsonProp {
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# - note: propertyRegex will be automatically placed into a
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replaceInFile $1 "\"$2\": \".*?\"" "\"$2\": \"$3\""
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# capturing group! -> all other groups start at index 2!
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}
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function replaceJsonProp {
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replaceInFile $1 "\"$2\": \".*?\"" "\"$2\": \"$3\""
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# replaceInFile(file, findPattern, replacePattern)
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}
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function replaceInFile {
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perl -pi -e "s/$2/$3/g;" $1
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# replaceInFile(file, findPattern, replacePattern)
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}
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function replaceInFile {
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perl -pi -e "s/$2/$3/g;" $1
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# resolveDir(relativeDir)
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}
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# - resolves a directory relative to the current script
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function resolveDir {
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# resolveDir(relativeDir)
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echo $(cd $SCRIPT_DIR; cd $1; pwd)
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# - resolves a directory relative to the current script
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}
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function resolveDir {
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echo $(cd $SCRIPT_DIR; cd $1; pwd)
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function main {
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}
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# normalize the working dir to the directory of the script
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cd $(dirname $0);SCRIPT_DIR=$(pwd)
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function main {
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# normalize the working dir to the directory of the script
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ARG_DEFS+=("[--verbose=(true|false)]")
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cd $(dirname $0);SCRIPT_DIR=$(pwd)
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parseArgs "$@"
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ARG_DEFS+=("[--verbose=(true|false)]")
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parseArgs "$@"
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# --verbose argument
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if [[ $VERBOSE == "true" ]]; then
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set -x
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# --verbose argument
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fi
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if [[ $VERBOSE == "true" ]]; then
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set -x
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if isFunction init; then
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fi
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init "$@"
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fi
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if isFunction init; then
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init "$@"
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# jump to the function denoted by the --action argument,
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fi
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# otherwise call the "run" function
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if [[ $ACTION ]]; then
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# jump to the function denoted by the --action argument,
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$ACTION "$@"
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# otherwise call the "run" function
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else
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if [[ $ACTION ]]; then
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run "$@"
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$ACTION "$@"
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fi
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else
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}
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run "$@"
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fi
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}
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main "$@"
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main "$@"
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Reference in New Issue
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