Version 0.2.0

- Update checker & auto-updater
- Configure font sizes and diff colors
- Data diffing bug fixes & improvements
- Bug fix for low match percent
- Improvements to Jobs UI (cancel, dismiss errors)
- "Demangle" tool

Closes #6, #13, #17, #19

src/jobs/check_update.rs

@@ -0,0 +1,33 @@
+use std::sync::mpsc::Receiver;
+
+use anyhow::{Context, Result};
+use self_update::{cargo_crate_version, update::Release};
+
+use crate::{
+    jobs::{queue_job, update_status, Job, JobResult, JobState, Status},
+    update::{build_updater, BIN_NAME},
+};
+
+pub struct CheckUpdateResult {
+    pub update_available: bool,
+    pub latest_release: Release,
+    pub found_binary: bool,
+}
+
+fn run_check_update(status: &Status, cancel: Receiver<()>) -> Result<Box<CheckUpdateResult>> {
+    update_status(status, "Fetching latest release".to_string(), 0, 1, &cancel)?;
+    let updater = build_updater().context("Failed to create release updater")?;
+    let latest_release = updater.get_latest_release()?;
+    let update_available =
+        self_update::version::bump_is_greater(cargo_crate_version!(), &latest_release.version)?;
+    let found_binary = latest_release.assets.iter().any(|a| a.name == BIN_NAME);
+
+    update_status(status, "Complete".to_string(), 1, 1, &cancel)?;
+    Ok(Box::new(CheckUpdateResult { update_available, latest_release, found_binary }))
+}
+
+pub fn queue_check_update() -> JobState {
+    queue_job("Check for updates", Job::CheckUpdate, move |status, cancel| {
+        run_check_update(status, cancel).map(JobResult::CheckUpdate)
+    })
+}