Merging upstream version 1.70.0+dfsg2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 151 insertions, 0 deletions

diff --git a/vendor/prodash/src/progress/log.rs b/vendor/prodash/src/progress/log.rs
new file mode 100644
index 000000000..3410a5dc2
--- /dev/null
+++ b/vendor/prodash/src/progress/log.rs
@@ -0,0 +1,151 @@
+use std::{
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc,
+    },
+    time::Duration,
+};
+
+use crate::{
+    messages::MessageLevel,
+    progress::{Id, Step, StepShared},
+    Progress, Unit,
+};
+
+/// A [`Progress`] implementation which displays progress as it happens without the use of a renderer.
+///
+/// Note that this incurs considerable performance cost as each progress calls ends up getting the system time
+/// to see if progress information should actually be emitted.
+pub struct Log {
+    name: String,
+    id: Id,
+    max: Option<usize>,
+    unit: Option<Unit>,
+    step: usize,
+    current_level: usize,
+    max_level: usize,
+    trigger: Arc<AtomicBool>,
+}
+
+const EMIT_LOG_EVERY_S: f32 = 0.5;
+const SEP: &str = "::";
+
+impl Log {
+    /// Create a new instance from `name` while displaying progress information only up to `max_level`.
+    pub fn new(name: impl Into<String>, max_level: Option<usize>) -> Self {
+        let trigger = Arc::new(AtomicBool::new(true));
+        std::thread::spawn({
+            let duration = Duration::from_secs_f32(EMIT_LOG_EVERY_S);
+            let trigger = Arc::downgrade(&trigger);
+            move || {
+                while let Some(t) = trigger.upgrade() {
+                    t.store(true, Ordering::Relaxed);
+                    std::thread::sleep(duration);
+                }
+            }
+        });
+        Log {
+            name: name.into(),
+            id: crate::progress::UNKNOWN,
+            current_level: 0,
+            max_level: max_level.unwrap_or(usize::MAX),
+            max: None,
+            step: 0,
+            unit: None,
+            trigger,
+        }
+    }
+}
+
+impl Progress for Log {
+    type SubProgress = Log;
+
+    fn add_child(&mut self, name: impl Into<String>) -> Self::SubProgress {
+        self.add_child_with_id(name, crate::progress::UNKNOWN)
+    }
+
+    fn add_child_with_id(&mut self, name: impl Into<String>, id: Id) -> Self::SubProgress {
+        Log {
+            name: format!("{}{}{}", self.name, SEP, Into::<String>::into(name)),
+            id,
+            current_level: self.current_level + 1,
+            max_level: self.max_level,
+            step: 0,
+            max: None,
+            unit: None,
+            trigger: Arc::clone(&self.trigger),
+        }
+    }
+
+    fn init(&mut self, max: Option<usize>, unit: Option<Unit>) {
+        self.max = max;
+        self.unit = unit;
+    }
+
+    fn set(&mut self, step: usize) {
+        self.step = step;
+        if self.current_level > self.max_level {
+            return;
+        }
+        if self.trigger.swap(false, Ordering::Relaxed) {
+            match (self.max, &self.unit) {
+                (max, Some(unit)) => log::info!("{} → {}", self.name, unit.display(step, max, None)),
+                (Some(max), None) => log::info!("{} → {} / {}", self.name, step, max),
+                (None, None) => log::info!("{} → {}", self.name, step),
+            }
+        }
+    }
+
+    fn unit(&self) -> Option<Unit> {
+        self.unit.clone()
+    }
+
+    fn max(&self) -> Option<usize> {
+        self.max
+    }
+
+    fn set_max(&mut self, max: Option<Step>) -> Option<Step> {
+        let prev = self.max;
+        self.max = max;
+        prev
+    }
+
+    fn step(&self) -> usize {
+        self.step
+    }
+
+    fn inc_by(&mut self, step: usize) {
+        self.set(self.step + step)
+    }
+
+    fn set_name(&mut self, name: impl Into<String>) {
+        let name = name.into();
+        self.name = self
+            .name
+            .split("::")
+            .next()
+            .map(|parent| format!("{}{}{}", parent.to_owned(), SEP, name))
+            .unwrap_or(name);
+    }
+
+    fn name(&self) -> Option<String> {
+        self.name.split(SEP).nth(1).map(ToOwned::to_owned)
+    }
+
+    fn id(&self) -> Id {
+        self.id
+    }
+
+    fn message(&mut self, level: MessageLevel, message: impl Into<String>) {
+        let message: String = message.into();
+        match level {
+            MessageLevel::Info => log::info!("ℹ{} → {}", self.name, message),
+            MessageLevel::Failure => log::error!("𐄂{} → {}", self.name, message),
+            MessageLevel::Success => log::info!("✓{} → {}", self.name, message),
+        }
+    }
+
+    fn counter(&self) -> Option<StepShared> {
+        None
+    }
+}