Use a function substitution in $PS0 for preexec in Bash >= 5.3
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akinomyoga
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$PS0 and function substitution in Bash >= 5.3$PS0 for preexec in Bash >= 5.3
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* Do not prefix local varnames with underscores
* Make "__bp_invoke_pre{cmd,exec}_functions" return the last non-zero exit status
* Test "__bp_invoke_pre{cmd,exec}_functions"
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This implements the approach to preexec using a function substitution in PS0 mentioned in #28 (comment). This should solve the issues #164 (subshells), #6 (function definitions), #158 (comments), #147 (custom HISTIGNORE/HISTCONTROL) in Bash 5.3 (which is now under the beta testing). It should be noted that this doesn't change the situation in Bash <= 5.2.