fixed bz#1526500 - 'declare' not found under ksh

which.spec

@@ -1,14 +1,13 @@
 Summary: Displays where a particular program in your path is located
 Name: which
 Version: 2.21
-Release: 4%{?dist}
+Release: 5%{?dist}
 License: GPLv3
 Group: Applications/System
 Source0: http://ftp.gnu.org/gnu/which/%{name}-%{version}.tar.gz
 Source1: which2.sh
 Source2: which2.csh
 Url: https://savannah.gnu.org/projects/which/
-Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: readline-devel
 Requires(preun): /sbin/install-info
 Requires(post): /sbin/install-info
@@ -57,6 +56,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/*/*
 
 %changelog
+* Wed Jan 31 2018 Than Ngo <than@redhat.com> - 2.21-5
+- fixed bz#1526500 - 'declare' not found under ksh
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.21-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
 

which2.sh

@@ -1,3 +1,7 @@
 # Initialization script for bash and sh
 
-alias which='(alias; declare -f) | /usr/bin/which --tty-only --read-alias --read-functions --show-tilde --show-dot'
+if [ "$0" == ksh ] ; then
+  alias which='(alias; typeset -f) | /usr/bin/which --tty-only --read-alias --read-functions --show-tilde --show-dot'
+else
+  alias which='(alias; declare -f) | /usr/bin/which --tty-only --read-alias --read-functions --show-tilde --show-dot'
+fi