Change default behavior for missing output

qlty-check/src/executor/invocation_result.rs

@@ -7,7 +7,7 @@ use anyhow::{Context, Result};
 use chrono::prelude::*;
 use qlty_analysis::utils::fs::path_to_string;
 use qlty_config::{
-    config::{OutputDestination, TargetType},
+    config::{OutputDestination, OutputMissing, TargetType},
     version::QLTY_VERSION,
 };
 use qlty_types::analysis::v1::{
@@ -273,20 +273,7 @@ impl InvocationResult {
         let tmpfile_path = self.invocation.tmpfile_path.as_ref().unwrap();
         let read_result = std::fs::read_to_string(tmpfile_path)
             .with_context(|| format!("Failed to read tmpfile contents from {}", tmpfile_path));
-
-        match read_result {
-            Ok(contents) => {
-                self.invocation.tmpfile_contents = Some(contents);
-            }
-            Err(e) => {
-                if self.plan.driver.missing_output_as_error {
-                    self.invocation.tmpfile_contents = Some("".to_string());
-                } else {
-                    self.invocation.parser_error = Some(e.to_string());
-                }
-            }
-        }
-
+        self.invocation.tmpfile_contents = read_result.ok();
         Ok(())
     }
 
@@ -320,37 +307,51 @@ impl InvocationResult {
     }
 
     fn handle_output_parsing(&mut self) -> Result<()> {
-        // If we have something to attempt to parse (which we don't if the tmpfile doesn't exist)
-        if !self.plan.uses_tmpfile() || self.invocation.tmpfile_contents.is_some() {
-            let output = if self.plan.uses_tmpfile() {
-                self.invocation.tmpfile_contents.as_ref().unwrap()
-            } else if self.plan.driver.output == OutputDestination::Stderr {
-                &self.invocation.stderr
-            } else {
-                &self.invocation.stdout
-            };
-
-            if output.is_empty() && self.plan.driver.missing_output_as_error {
-                self.invocation.exit_result =
-                    qlty_types::analysis::v1::ExitResult::UnknownError.into();
-                self.log_error_output();
-            } else {
-                let file_results = self.plan.driver.parse(output, &self.plan);
+        let output = if self.plan.uses_tmpfile() {
+            self.invocation
+                .tmpfile_contents
+                .as_ref()
+                .unwrap_or(&String::new())
+                .to_owned()
+        } else if self.plan.driver.output == OutputDestination::Stderr {
+            self.invocation.stderr.to_owned()
+        } else {
+            self.invocation.stdout.to_owned()
+        };
 
-                match file_results {
-                    Ok(file_results) => {
-                        self.file_results = Some(file_results);
-                    }
-                    Err(e) => {
-                        self.invocation.parser_error = Some(e.to_string());
-                    }
+        if output.is_empty() {
+            match self.plan.driver.output_missing {
+                OutputMissing::Error => {
+                    self.invocation.exit_result =
+                        qlty_types::analysis::v1::ExitResult::UnknownError.into();
+                    self.log_error_output();
                 }
+                OutputMissing::NoIssues => {
+                    self.invocation.exit_result =
+                        qlty_types::analysis::v1::ExitResult::NoIssues.into();
+                }
+                OutputMissing::Parse => self.parse_output(output),
             }
+        } else {
+            self.parse_output(output);
         }
 
         Ok(())
     }
 
+    fn parse_output(&mut self, output: String) {
+        let file_results = self.plan.driver.parse(&output, &self.plan);
+
+        match file_results {
+            Ok(file_results) => {
+                self.file_results = Some(file_results);
+            }
+            Err(e) => {
+                self.invocation.parser_error = Some(e.to_string());
+            }
+        }
+    }
+
     fn create_file_result_for_autofmts(&self) -> Result<Vec<FileResult>> {
         let mut file_results: Vec<FileResult> = Vec::new();
 

qlty-cli/tests/cmd/check/missing_output_as_error.in/.qlty/qlty.toml

@@ -8,7 +8,6 @@ prepare_script = "mkdir ${linter} && echo dir %2 > ${linter}/ls.cmd || echo dir
 script = "echo \"The plugin crashed for some reason\""
 success_codes = [0]
 output = "tmpfile"
-missing_output_as_error = true
 
 [[plugin]]
 name = "exists"

qlty-config/src/config.rs

@@ -23,8 +23,8 @@ pub use language::Language;
 pub use plugin::{
     CheckTrigger, DriverBatchBy, DriverDef, DriverType, EnabledPlugin, ExtraPackage,
     InvocationDirectoryDef, InvocationDirectoryType, IssueMode, OutputDestination, OutputFormat,
-    PackageFileCandidate, Platform, PluginDef, PluginEnvironment, PluginFetch, Runtime,
-    SuggestionMode, TargetDef, TargetType,
+    OutputMissing, PackageFileCandidate, Platform, PluginDef, PluginEnvironment, PluginFetch,
+    Runtime, SuggestionMode, TargetDef, TargetType,
 };
 pub use release::ReleaseDef;
 pub use source::SourceDef;

qlty-config/src/config/plugin.rs

@@ -40,6 +40,10 @@ pub struct DriverDef {
 
     #[serde(default)]
     pub output_format: OutputFormat,
+
+    #[serde(default)]
+    pub output_missing: OutputMissing,
+
     pub output_regex: Option<String>,
 
     #[serde(default)]
@@ -111,9 +115,6 @@ pub struct DriverDef {
 
     #[serde(default)]
     pub autoload_script: Option<String>,
-
-    #[serde(default)]
-    pub missing_output_as_error: bool,
 }
 
 fn default_driver_timeout() -> u64 {
@@ -124,6 +125,22 @@ fn default_max_batch() -> usize {
     64
 }
 
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Hash, Default, JsonSchema)]
+pub enum OutputMissing {
+    /// Raise an error if the output is missing
+    #[default]
+    #[serde(rename = "error")]
+    Error,
+
+    /// Interpret no output as no issues
+    #[serde(rename = "no_issues")]
+    NoIssues,
+
+    /// Hand the empty output to the parser for processing
+    #[serde(rename = "parse")]
+    Parse,
+}
+
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Hash, Default, JsonSchema)]
 pub enum DriverBatchBy {
     #[default]

qlty-plugins/plugins/linters/actionlint/plugin.toml

@@ -24,3 +24,4 @@ output_format = "actionlint"
 cache_results = true
 batch = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/bandit/plugin.toml

@@ -20,3 +20,4 @@ output_format = "bandit"
 cache_results = true
 batch = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/biome/plugin.toml

@@ -22,6 +22,7 @@ output_format = "biome"
 batch = true
 cache_results = true
 suggested = "config"
+output_missing = "parse"
 
 [plugins.definitions.biome.drivers.format]
 script = "biome format --write ${target}"

qlty-plugins/plugins/linters/brakeman/plugin.toml

@@ -19,3 +19,4 @@ success_codes = [0, 1, 3]
 output = "stdout"
 output_format = "sarif"
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/checkov/plugin.toml

@@ -25,3 +25,4 @@ output_level = "medium"
 batch = false
 cache_results = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/clippy/plugin.toml

@@ -19,6 +19,7 @@ success_codes = [0, 101, 383]
 output = "stdout"
 output_format = "clippy"
 suggested = "targets"
+output_missing = "parse"
 
 [[plugins.definitions.clippy.environment]]
 name = "PATH"

qlty-plugins/plugins/linters/coffeelint/plugin.toml

@@ -19,3 +19,4 @@ output_format = "coffeelint"
 batch = true
 cache_results = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/dotenv-linter/plugin.toml

@@ -13,6 +13,7 @@ known_good_version = "3.3.0"
 version_command = "dotenv-linter --version"
 description = "Dotenv file linter"
 suggested = "targets"
+output_missing = "parse"
 
 [plugins.definitions.dotenv-linter.drivers.format]
 script = "dotenv-linter fix --quiet ${target}"

qlty-plugins/plugins/linters/eslint/plugin.toml

@@ -75,4 +75,3 @@ batch = true
 cache_results = true
 max_batch = 40
 known_good_version = "4.19.1"
-missing_output_as_error = true

qlty-plugins/plugins/linters/flake8/plugin.toml

@@ -22,5 +22,6 @@ output_regex = "((?P<path>.*):(?P<line>-?\\d+):(?P<col>-?\\d+): (?P<code>\\S+) (
 cache_results = true
 batch = true
 suggested = "config"
+output_missing = "parse"
 
 # TODO: run_linter_from: parent_directory

qlty-plugins/plugins/linters/gitleaks/plugin.toml

@@ -26,3 +26,4 @@ output_level = "high"
 cache_results = true
 batch = false
 suggested = "config"
+output_missing = "parse"

qlty-plugins/plugins/linters/golangci-lint/plugin.toml

@@ -30,6 +30,7 @@ success_codes = [0, 2, 7]
 output = "stdout"
 output_format = "golangci_lint"
 suggested = "targets"
+output_missing = "parse"
 
 [[plugins.definitions.golangci-lint.environment]]
 name = "PATH"

qlty-plugins/plugins/linters/hadolint/plugin.toml

@@ -23,3 +23,4 @@ output_format = "hadolint"
 cache_results = true
 batch = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/knip/plugin.toml

@@ -28,3 +28,4 @@ success_codes = [0, 1]
 output = "stdout"
 output_format = "knip"
 skip_upstream = true
+output_missing = "parse"

qlty-plugins/plugins/linters/kube-linter/plugin.toml

@@ -46,5 +46,4 @@ output = "stdout"
 output_format = "sarif"
 output_category = "vulnerability"
 output_level = "medium"
-missing_output_as_error = true
-target = { type = "literal", path = "." }
+target = { type = "literal", path = "." }

qlty-plugins/plugins/linters/markdownlint/fixtures/__snapshots__/no_issues_v0.41.0.shot

@@ -0,0 +1,7 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`linter=markdownlint fixture=no_issues version=0.41.0 1`] = `
+{
+  "issues": [],
+}
+`;

qlty-plugins/plugins/linters/markdownlint/plugin.toml

@@ -19,6 +19,7 @@ driver_type = "linter"
 output = "stderr"
 output_format = "markdownlint"
 suggested = "targets"
+output_missing = "parse"
 
 [plugins.definitions.markdownlint.drivers.format]
 script = "markdownlint --fix ${target}"

qlty-plugins/plugins/linters/mypy/plugin.toml

@@ -22,3 +22,4 @@ output_format = "mypy"
 cache_results = true
 batch = true
 suggested = "config"
+output_missing = "parse"

qlty-plugins/plugins/linters/osv-scanner/plugin.toml

@@ -72,3 +72,4 @@ cache_results = true
 batch = false
 skip_upstream = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/oxc/plugin.toml

@@ -21,3 +21,4 @@ output_regex = "::(?P<severity>[^ ]+) file=(?P<path>[^,]+),line=(?P<line>\\d+),e
 batch = true
 cache_results = true
 max_batch = 40
+output_missing = "parse"

qlty-plugins/plugins/linters/php-codesniffer/plugin.toml

@@ -20,6 +20,7 @@ output_format = "php_codesniffer"
 cache_results = true
 batch = true
 suggested = "targets"
+output_missing = "parse"
 
 [[plugins.definitions.php-codesniffer.environment]]
 name = "PHP_INI_SCAN_DIR"

qlty-plugins/plugins/linters/phpstan/plugin.toml

@@ -20,3 +20,4 @@ output_format = "phpstan"
 cache_results = true
 batch = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/pmd/plugin.toml

@@ -17,6 +17,7 @@ output = "stdout"
 output_format = "sarif"
 file_types = ["java"]
 batch = true
+output_missing = "parse"
 
 [plugins.definitions.pmd.drivers.lint-apex]
 script = "pmd check --rulesets rulesets/apex/quickstart.xml --format sarif --dir ${target}"
@@ -25,3 +26,4 @@ output = "stdout"
 output_format = "sarif"
 file_types = ["apex"]
 batch = true
+output_missing = "parse"

qlty-plugins/plugins/linters/radarlint/plugin.toml

@@ -15,6 +15,7 @@ script = "java -jar ${linter}/radarlint.jar ${target}"
 success_codes = [0]
 output = "stdout"
 output_format = "radarlint"
+output_missing = "parse"
 batch = true
 cache_results = true
 suggested = "targets"

qlty-plugins/plugins/linters/redocly/plugin.toml

@@ -18,3 +18,4 @@ output_format = "regex"
 output_regex = "::(?P<severity>[^ ]+) title=(?P<code>[^,]+),file=(?P<path>[^,]+),line=(?P<line>\\d+),col=(?P<col>\\d+),endLine=(?P<end_line>\\d+),endColumn=(?P<end_col>\\d+)::(?P<message>.+)"
 cache_results = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/reek/plugin.toml

@@ -24,4 +24,5 @@ output = "stdout"
 output_format = "reek"
 batch = true
 cache_results = true
-suggested = "targets"
+suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/ripgrep/plugin.toml

@@ -48,3 +48,4 @@ output_format = "ripgrep"
 batch = true
 cache_results = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/rubocop/plugin.toml

@@ -21,6 +21,7 @@ output_format = "rubocop"
 batch = true
 cache_results = true
 suggested = "targets"
+output_missing = "parse"
 
 [plugins.definitions.rubocop.drivers.format]
 script = "rubocop --fix-layout ${target}"

qlty-plugins/plugins/linters/ruff/plugin.toml

@@ -18,3 +18,4 @@ output = "tmpfile"
 output_format = "ruff"
 batch = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/semgrep/plugin.toml

@@ -20,3 +20,4 @@ output_format = "sarif"
 cache_results = true
 batch = true
 suggested = "config"
+output_missing = "parse"

qlty-plugins/plugins/linters/shellcheck/plugin.toml

@@ -24,3 +24,4 @@ output = "stdout"
 output_format = "shellcheck"
 cache_results = true
 suggested = "targets"
+output_missing = "parse"

qlty-plugins/plugins/linters/sqlfluff/plugin.toml

@@ -17,6 +17,7 @@ success_codes = [0]
 output = "stdout"
 output_format = "sqlfluff"
 batch = true
+output_missing = "parse"
 
 [plugins.definitions.sqlfluff.drivers.fix]
 script = "sqlfluff fix --disable-progress-bar --quiet --dialect ansi ${target}"

qlty-plugins/plugins/linters/standardrb/plugin.toml

@@ -20,6 +20,7 @@ output_format = "rubocop"
 batch = true
 cache_results = true
 suggested = "config"
+output_missing = "parse"
 
 [plugins.definitions.standardrb.drivers.format]
 script = "standardrb ${target} --fix"

qlty-plugins/plugins/linters/stylelint/plugin.toml

@@ -43,6 +43,7 @@ cache_results = true
 batch = true
 max_batch = 100
 suggested = "config"
+output_missing = "parse"
 
 [plugins.definitions.stylelint.drivers.format]
 script = "stylelint --fix ${target}"

qlty-plugins/plugins/linters/swiftlint/plugin.toml

@@ -45,3 +45,4 @@ batch = true
 cache_results = true
 output_category = "style"
 suggested = "never"
+output_missing = "parse"