From 4f6a1b3717bb84b8243b13c4ec9171945893c934 Mon Sep 17 00:00:00 2001
From: Stephane Chazelas <stephane@chazelas.org>
Date: Thu, 22 Jun 2023 12:52:12 -0700
Subject: 51813: differentiate empty $2 from omitted $2 in version comparisons

---
 Functions/Misc/is-at-least | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'Functions')

diff --git a/Functions/Misc/is-at-least b/Functions/Misc/is-at-least
index d4ff3552a..5985684be 100644
--- a/Functions/Misc/is-at-least
+++ b/Functions/Misc/is-at-least
@@ -24,8 +24,14 @@ emulate -L zsh
 
 local IFS=".-" min_cnt=0 ver_cnt=0 part min_ver version order
 
+: ${2=$ZSH_VERSION}
+
+# sort out the easy corner cases first
+[[ $1 = $2 ]] && return 0 # same version
+[[ -n $2 ]] || return 1   # no version
+
 min_ver=(${=1})
-version=(${=2:-$ZSH_VERSION} 0)
+version=(${=2} 0)
 
 while (( $min_cnt <= ${#min_ver} )); do
   while [[ "$part" != <-> ]]; do
-- 
cgit 1.4.1