feat(packager): always show command output, enhance formatting

.changes/enhance-shell-output.md

@@ -0,0 +1,5 @@
+---
+"cargo-packager": patch
+---
+
+Always show command output and enhance formatting.

crates/packager/src/cli/mod.rs

@@ -267,6 +267,9 @@ where
 
     if !cli.quite {
         init_tracing_subscriber(cli.verbose);
+        if std::env::var_os("CARGO_TERM_COLOR").is_none() {
+            std::env::set_var("CARGO_TERM_COLOR", "always");
+        }
     }
 
     run_cli(cli)

crates/packager/src/lib.rs

@@ -126,9 +126,55 @@ pub fn init_tracing_subscriber(verbosity: u8) {
         .with_line_number(tracing)
         .with_file(tracing)
         .with_max_level(level)
+        .event_format(TracingFormatter {
+            formatter: tracing_subscriber::fmt::format().compact(),
+        })
         .init();
 }
 
+struct TracingFormatter {
+    formatter: tracing_subscriber::fmt::format::Format<tracing_subscriber::fmt::format::Compact>,
+}
+
+struct ShellFieldVisitor {
+    message: String,
+}
+
+impl tracing::field::Visit for ShellFieldVisitor {
+    fn record_str(&mut self, field: &tracing::field::Field, value: &str) {
+        if field.name() == "message" {
+            self.message = value.to_string();
+        }
+    }
+
+    fn record_debug(&mut self, field: &tracing::field::Field, value: &dyn std::fmt::Debug) {
+        if field.name() == "message" {
+            self.message = format!("{value:?}");
+        }
+    }
+}
+
+impl<S, N> tracing_subscriber::fmt::FormatEvent<S, N> for TracingFormatter
+where
+    S: tracing::Subscriber + for<'a> tracing_subscriber::registry::LookupSpan<'a>,
+    N: for<'a> tracing_subscriber::fmt::FormatFields<'a> + 'static,
+{
+    fn format_event(
+        &self,
+        ctx: &tracing_subscriber::fmt::FmtContext<'_, S, N>,
+        mut writer: tracing_subscriber::fmt::format::Writer<'_>,
+        event: &tracing::Event<'_>,
+    ) -> std::fmt::Result {
+        if event.fields().any(|f| f.name() == "shell") {
+            let mut visitor = ShellFieldVisitor { message: "".into() };
+            event.record(&mut visitor);
+            writeln!(writer, "{}", visitor.message)
+        } else {
+            self.formatter.format_event(ctx, writer, event)
+        }
+    }
+}
+
 /// Sign the specified packages and return the signatures paths.
 ///
 /// If `packages` contain a directory in the case of [`PackageFormat::App`]

crates/packager/src/shell.rs

@@ -43,7 +43,11 @@ impl CommandExt for Command {
                 if let Ok(0) = stdout.read_until(b'\n', &mut buf) {
                     break;
                 }
-                tracing::debug!("{}", String::from_utf8_lossy(&buf[..buf.len() - 1]));
+                tracing::info!(
+                    shell = "stdout",
+                    "{}",
+                    String::from_utf8_lossy(&buf[..buf.len() - 1])
+                );
                 lines.extend(&buf);
             }
         });
@@ -59,7 +63,11 @@ impl CommandExt for Command {
                 if let Ok(0) = stderr.read_until(b'\n', &mut buf) {
                     break;
                 }
-                tracing::debug!("{}", String::from_utf8_lossy(&buf[..buf.len() - 1]));
+                tracing::info!(
+                    shell = "stderr",
+                    "{}",
+                    String::from_utf8_lossy(&buf[..buf.len() - 1])
+                );
                 lines.extend(&buf);
             }
         });