From b17ae4187f18f18b65003af5ed32d6c3d0a3212f Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Thu, 14 Sep 2023 10:47:52 -0300
Subject: bin/muffle: Re-interleave STDOUT and STDERR on error

---
 bin/muffle | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

(limited to 'bin/muffle')

diff --git a/bin/muffle b/bin/muffle
index 73c9103..6f93306 100755
--- a/bin/muffle
+++ b/bin/muffle
@@ -67,13 +67,27 @@ shift $((OPTIND - 1))
 
 OUT="$(mkstemp)"
 ERR="$(mkstemp)"
-trap 'rm -f "$OUT" "$ERR"' EXIT
+STATUS_F="$(mkstemp)"
+trap 'rm -f "$OUT" "$ERR" "$STATUS_F"' EXIT
 
-STATUS=0
-"$@" 1>"$OUT" 2>"$ERR" || STATUS=$?
+timed() {
+	ts -s -m '%.s'
+}
+
+echo 0 > "$STATUS_F"
+{
+	{ "$@" || echo $? > "$STATUS_F"; } | timed | pre out > "$OUT"
+} 2>&1 | timed | pre err > "$ERR"
 
+STATUS="$(cat "$STATUS_F")"
 if [ "$STATUS" != 0 ]; then
-	cat "$OUT"
-	cat "$ERR" >&2
+	cat "$OUT" "$ERR" |
+	sort -k2  | while read -r line; do
+		if [ "$(echo "$line" | cut -d' ' -f1)" = 'out:' ]; then
+			echo "$line" | cut -d' ' -f3- >&1
+		else
+			echo "$line" | cut -d' ' -f3- >&2
+		fi
+	done
 	exit "$STATUS"
 fi
-- 
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