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SourceExprCommand: swallow EvalError, add tests for this

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Completing things that would error would print an ugly error in
the middle of your command line. Avoid printing this error.
This commit is contained in:
Yorick 2022-11-03 10:11:28 +01:00
parent 444af85552
commit 16f1720fd2
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GPG key ID: A36E70F9DC014A15
2 changed files with 51 additions and 40 deletions
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5
src/libcmd/installables.cc
View file

@ -207,6 +207,7 @@ Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes()
void SourceExprCommand::completeInstallable(std::string_view prefix)
{
try {
if (file) {
completionType = ctAttrs;
@ -257,6 +258,10 @@ void SourceExprCommand::completeInstallable(std::string_view prefix)
getDefaultFlakeAttrPaths(),
prefix);
}
} catch (EvalError& e) {
// swallow eval error
(void)e;
}
}
void completeFlakeRefWithFragment(

6
tests/completions.sh
View file

@ -28,6 +28,10 @@ cat <<EOF > bar/flake.nix
};
}
EOF
mkdir -p err
cat <<EOF > err/flake.nix
throw "error"
EOF
# Test the completion of a subcommand
[[ "$(NIX_GET_COMPLETIONS=1 nix buil)" == $'normal\nbuild\t' ]]
@ -60,3 +64,5 @@ NIX_GET_COMPLETIONS=3 nix build --option allow-import-from | grep -- "allow-impo
# Attr path completions
[[ "$(NIX_GET_COMPLETIONS=2 nix eval ./foo\#sam)" == $'attrs\n./foo#sampleOutput\t' ]]
[[ "$(NIX_GET_COMPLETIONS=4 nix eval --file ./foo/flake.nix outp)" == $'attrs\noutputs\t' ]]
[[ "$(NIX_GET_COMPLETIONS=4 nix eval --file ./err/flake.nix outp 2>&1)" == $'attrs' ]]
[[ "$(NIX_GET_COMPLETIONS=2 nix eval ./err\# 2>&1)" == $'attrs' ]]