Hello, We ran into an issue where pgindent stopped reformatting anything with our custom exclude file, and after some investigation we found the empty line accidentally inserted into the exclude file.
Pgindent currently treats empty lines as valid exclusions and creates an empty regex from them. The empty regex matches any pattern, resulting in ignoring everything. As this behavior doesn't seem to be useful in practice, and it is easy to reproduce accidentally (it works even at the end of the file), I propose a patch that ignores empty lines in the exclude file. If somebody really wants to ignore everything, that is still possible with more explicit patterns like ".*"
0001-Improve-pgindent-exclude-handling-ignore-empty-lines.patch
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