diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index e2c5043..d521c7e 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -103,7 +103,6 @@
 	"realpath": Allowed,
 	"rsync":    Allowed,
 	"sh":       Allowed,
-	"tar":      Allowed,
 	"tr":       Allowed,
 	"unzip":    Allowed,
 	"zip":      Allowed,
@@ -165,6 +164,7 @@
 	"sort":      LinuxOnlyPrebuilt,
 	"stat":      LinuxOnlyPrebuilt,
 	"tail":      LinuxOnlyPrebuilt,
+	"tar":       LinuxOnlyPrebuilt,
 	"tee":       LinuxOnlyPrebuilt,
 	"timeout":   LinuxOnlyPrebuilt,
 	"touch":     LinuxOnlyPrebuilt,
diff --git a/ui/terminal/smart_status.go b/ui/terminal/smart_status.go
index 9638cdf..8659d4d 100644
--- a/ui/terminal/smart_status.go
+++ b/ui/terminal/smart_status.go
@@ -225,9 +225,7 @@
 
 	// Limit line width to the terminal width, otherwise we'll wrap onto
 	// another line and we won't delete the previous line.
-	if s.termWidth > 0 {
-		str = s.elide(str)
-	}
+	str = elide(str, s.termWidth)
 
 	// Move to the beginning on the line, turn on bold, print the output,
 	// turn off bold, then clear the rest of the line.
@@ -237,11 +235,11 @@
 	s.haveBlankLine = false
 }
 
-func (s *smartStatusOutput) elide(str string) string {
-	if len(str) > s.termWidth {
+func elide(str string, width int) string {
+	if width > 0 && len(str) > width {
 		// TODO: Just do a max. Ninja elides the middle, but that's
 		// more complicated and these lines aren't that important.
-		str = str[:s.termWidth]
+		str = str[:width]
 	}
 
 	return str
@@ -344,9 +342,18 @@
 			desc = runningAction.action.Command
 		}
 
-		str := fmt.Sprintf("   %2d:%02d %s", seconds/60, seconds%60, desc)
-		str = s.elide(str)
-		fmt.Fprint(s.writer, str, ansi.clearToEndOfLine())
+		color := ""
+		if seconds >= 60 {
+			color = ansi.red() + ansi.bold()
+		} else if seconds >= 30 {
+			color = ansi.yellow() + ansi.bold()
+		}
+
+		durationStr := fmt.Sprintf("   %2d:%02d ", seconds/60, seconds%60)
+		desc = elide(desc, s.termWidth-len(durationStr))
+		durationStr = color + durationStr + ansi.regular()
+
+		fmt.Fprint(s.writer, durationStr, desc, ansi.clearToEndOfLine())
 		if tableLine < s.tableHeight-1 {
 			fmt.Fprint(s.writer, "\n")
 		}
@@ -387,6 +394,14 @@
 	return fmt.Sprintf("\x1b[r")
 }
 
+func (ansiImpl) red() string {
+	return "\x1b[31m"
+}
+
+func (ansiImpl) yellow() string {
+	return "\x1b[33m"
+}
+
 func (ansiImpl) bold() string {
 	return "\x1b[1m"
 }