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logging: Ensure -debug=0/none behaves consistently with -nodebug

Browse source 
Previously, -nodebug cleared all prior -debug configurations in the
command line while allowing subsequent debug options to be applied.
However, -debug=0 and -debug=none completely disabled debugging,
even for categories specified afterward.

This commit ensures consistency by making -debug=0 and -debug=none
behave like -nodebug: they now clear previously set debug configurations
but do not disable debugging for categories specified later.

Co-Authored-By: Ryan Ofsky <ryan@ofsky.org>
This commit is contained in:
Daniela Brozzoni 2025-02-10 17:47:10 +01:00
parent d39d521d86
commit a8fedb36a7
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GPG key ID: 7DE4F1FDCED0AB87
2 changed files with 12 additions and 7 deletions
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3
doc/release-notes-31767.md Normal file
View file

@ -0,0 +1,3 @@
Logging
---
Passing -debug=0 or -debug=none now behaves like -nodebug: previously set debug categories will be cleared, but subsequent -debug options will still be applied.

16
src/init/common.cpp
View file

@ -80,15 +80,17 @@ util::Result<void> SetLoggingLevel(const ArgsManager& args)
util::Result<void> SetLoggingCategories(const ArgsManager& args)
{
if (args.IsArgSet("-debug")) {
// Special-case: if -debug=0/-nodebug is set, turn off debugging messages
const std::vector<std::string> categories = args.GetArgs("-debug");
if (std::none_of(categories.begin(), categories.end(),
[](std::string cat){return cat == "0" || cat == "none";})) {
for (const auto& cat : categories) {
if (!LogInstance().EnableCategory(cat)) {
return util::Error{strprintf(_("Unsupported logging category %s=%s."), "-debug", cat)};
}
// Special-case: Disregard any debugging categories appearing before -debug=0/none
const auto last_negated = std::find_if(categories.rbegin(), categories.rend(),
[](const std::string& cat) { return cat == "0" || cat == "none"; });
const auto categories_to_process = (last_negated == categories.rend()) ? categories : std::ranges::subrange(last_negated.base(), categories.end());
for (const auto& cat : categories_to_process) {
if (!LogInstance().EnableCategory(cat)) {
return util::Error{strprintf(_("Unsupported logging category %s=%s."), "-debug", cat)};
}
}
}