From c3c534f7ce6f293a4d643595b1fd6349abf82534 Mon Sep 17 00:00:00 2001
From: Matthias Johnson <matthias@opennomad.com>
Date: Sat, 14 Feb 2026 15:51:31 -0700
Subject: [PATCH] Auto-detect sendmail/msmtp for email notifications

Resolve the mailer binary at job creation time and bake the full path
into the service file, so it works regardless of PATH in the systemd
service environment. Warns and skips if neither is found.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 systab | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/systab b/systab
index 394ba9c..2a39c88 100755
--- a/systab
+++ b/systab
@@ -283,8 +283,11 @@ ExecStopPost=/bin/sh -c 'if [ "\$SERVICE_RESULT" = success ]; then icon=dialog-i
 EOF
     fi
     if [[ -n "$email" ]]; then
+        local mailer
+        mailer=$(command -v sendmail || command -v msmtp || true)
+        [[ -n "$mailer" ]] || { warn "No sendmail or msmtp found, skipping email notification"; return; }
         cat >> "$file" <<EOF
-ExecStopPost=/bin/sh -c 'if [ "\$SERVICE_RESULT" = success ]; then s=completed; else s="failed (\$EXIT_STATUS)"; fi; printf "Subject: systab: $short_id %s\\n\\n%s at %s\\n" "\$s" "\$s" "\$(date)" | sendmail $email'
+ExecStopPost=/bin/sh -c 'if [ "\$SERVICE_RESULT" = success ]; then s=completed; else s="failed (\$EXIT_STATUS)"; fi; printf "Subject: systab: $short_id %s\\n\\n%s at %s\\n" "\$s" "\$s" "\$(date)" | $mailer $email'
 EOF
     fi
 }