From 65bd807cfdd6651a480f8fc70ed41ef82abaf64b Mon Sep 17 00:00:00 2001
From: Kris Yotam <75515498+krisyotam@users.noreply.github.com>
Date: Thu, 2 Jul 2026 00:00:54 -0500
Subject: [PATCH] mksh: skip stale history log on first prompt render

---
 .mkshrc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.mkshrc b/.mkshrc
index 216a048a6475c8176d71b58c20360aa10a07d691..4e9069bfda14ef010b12eadbf07602f632247c75 100644
--- a/.mkshrc
+++ b/.mkshrc
@@ -48,7 +48,14 @@ else
 	# mksh: no DEBUG trap / PROMPT_COMMAND. Log from PS1 each prompt.
 	# The leading $(...) captures $? first, so the exit code is accurate,
 	# and _kh_prompt emits nothing so the visible prompt is unchanged.
+	# Skip the first render: at shell start fc -ln -1 is a stale HISTFILE
+	# entry, not a command run this session.
+	_kh_first_prompt=1
 	_kh_prompt() {
+		if [ -n "$_kh_first_prompt" ]; then
+			unset _kh_first_prompt
+			return
+		fi
 		_kh_log "$(fc -ln -1 2>/dev/null | sed 's/^[[:space:]]*//')" "$1"
 	}
 	PS1='$(_kh_prompt "$?")'"$PS1"