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repl: do not crash when tab-completing import errors
File not found while importing is not currently caught by the tab-completion handler. Original bug report: https://git.lix.systems/lix-project/lix/issues/340 Fix has been adapted from https://gerrit.lix.systems/c/lix/+/1189 Example crash: $ cat /tmp/foo.nix { someImport = import ./this_file_does_not_exist; } $ ./src/nix/nix repl --file /tmp/foo.nix warning: unknown experimental feature 'repl-flake' Nix 2.23.0pre20240517_dirty Type :? for help. Loading installable ''... Added 1 variables. nix-repl> someImport.<TAB>
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@ -304,6 +304,8 @@ StringSet NixRepl::completePrefix(const std::string & prefix)
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// Quietly ignore evaluation errors.
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// Quietly ignore evaluation errors.
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} catch (BadURL & e) {
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} catch (BadURL & e) {
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// Quietly ignore BadURL flake-related errors.
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// Quietly ignore BadURL flake-related errors.
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} catch (FileNotFound & e) {
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// Quietly ignore non-existent file beeing `import`-ed.
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}
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}
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}
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}
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