From b5860daf11ac353049cb1654b9414a129e5cfb96 Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jan@jantuomi.fi>
Date: Wed, 13 May 2026 00:13:57 +0300
Subject: Rework

---
 roles/host/templates/usr_local_bin_logto.sh.j2 | 47 ++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 roles/host/templates/usr_local_bin_logto.sh.j2

(limited to 'roles/host/templates/usr_local_bin_logto.sh.j2')

diff --git a/roles/host/templates/usr_local_bin_logto.sh.j2 b/roles/host/templates/usr_local_bin_logto.sh.j2
new file mode 100644
index 0000000..9bb5aa1
--- /dev/null
+++ b/roles/host/templates/usr_local_bin_logto.sh.j2
@@ -0,0 +1,47 @@
+#!/bin/sh
+
+set -ue
+
+# Wrapper for logging to file and prepending a timestamp.
+# By default writes both stdout and stderr to the log file.
+
+usage() {
+    echo "Usage: logto [-s|-e] <log_file> <command>"
+    echo "Flags:"
+    echo "  -s: Write only stdout to the log file."
+    echo "  -e: Write only stderr to the log file."
+    echo ""
+    echo "Example usage:"
+    echo "  logto /var/log/my.log run some command"
+    exit 1
+}
+
+mode="all"
+
+while getopts "se" opt; do
+    case $opt in
+        s) mode="stdout" ;;
+        e) mode="stderr" ;;
+        *) usage ;;
+    esac
+done
+shift $((OPTIND-1))
+
+if [ $# -lt 2 ]; then
+    usage
+fi
+
+log_file="$1"
+shift
+
+if [ "$mode" = "stdout" ]; then
+    out=$(2>/dev/null $@)
+elif [ "$mode" = "stderr" ]; then
+    out=$(2>&1 >/dev/null $@)
+else
+    out=$(2>&1 $@)
+fi
+
+if [ ! -z "$out" ]; then
+    echo "$(date +"%Y-%m-%dT%H:%M:%S%z")" "$out" >>"$log_file"
+fi
-- 
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