From df63b41eb675fbb9a8efbbae1b0c2f57e6db8af8 Mon Sep 17 00:00:00 2001
From: eabdullin <ed.abdullin.1@gmail.com>
Date: Tue, 5 Aug 2025 06:44:28 +0000
Subject: [PATCH] import UBI which-2.21-44.el10_0

---
 which.spec | 6 +++++-
 which2.sh  | 7 ++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/which.spec b/which.spec
index 5261ab6..f74b02d 100644
--- a/which.spec
+++ b/which.spec
@@ -3,7 +3,7 @@
 Summary: Displays where a particular program in your path is located
 Name: which
 Version: 2.21
-Release: 43%{?dist}
+Release: 44%{?dist}
 License: GPL-3.0-only
 Source0: http://ftp.gnu.org/gnu/which/%{name}-%{version}.tar.gz
 Source1: which2.sh
@@ -47,6 +47,10 @@ rm -f $RPM_BUILD_ROOT%{_infodir}/dir
 %{_mandir}/man1/which.1*
 
 %changelog
+* Tue Jul 01 2025 Than Ngo <than@redhat.com> - 2.21-44
+- Add a check to ensure that /proc/$$/exe can be read
+  Resolves: RHEL-97535
+
 * Tue Oct 29 2024 Troy Dawson <tdawson@redhat.com> - 2.21-43
 - Bump release for October 2024 mass rebuild:
   Resolves: RHEL-64018
diff --git a/which2.sh b/which2.sh
index a7db49c..9829a06 100644
--- a/which2.sh
+++ b/which2.sh
@@ -1,7 +1,12 @@
 # shellcheck shell=sh
 # Initialization script for bash, sh, mksh and ksh
 
-case "$(basename $(readlink /proc/$$/exe))" in
+if [ -r /proc/$$/exe ]; then
+    SHELLNAME=$(basename $(readlink /proc/$$/exe))
+else
+    SHELLNAME="unknown"
+fi
+case "$SHELLNAME" in
 *ksh*|zsh)
     alias which='alias | /usr/bin/which --tty-only --read-alias --show-tilde --show-dot'
     ;;