Update profile scripts to be safer

Resolves: RHEL-166369

gnupg2.csh

@@ -0,0 +1,3 @@
+if ( $?prompt ) then
+    setenv GPG_TTY `tty`
+endif

gnupg2.sh

@@ -0,0 +1,3 @@
+if [[ $- == *i* ]]; then
+    export GPG_TTY=$(tty)
+fi

gnupg2.spec

@@ -9,6 +9,8 @@ License: CC0-1.0 AND GPL-2.0-or-later AND GPL-3.0-or-later AND LGPL-2.1-or-later
 Source0: https://gnupg.org/ftp/gcrypt/%{?pre:alpha/}gnupg/gnupg-%{version}%{?pre}.tar.bz2
 Source1: https://gnupg.org/ftp/gcrypt/%{?pre:alpha/}gnupg/gnupg-%{version}%{?pre}.tar.bz2.sig
 Source2: https://gnupg.org/signature_key.asc
+Source3: gnupg2.sh
+Source4: gnupg2.csh
 # needed for compatibility with system FIPS mode
 Patch3:  gnupg-2.1.10-secmem.patch
 # non-upstreamable patch adding file-is-digest option needed for Copr
@@ -167,8 +169,7 @@ mkdir -p $HOME/.gnupg
 mkdir -p %{buildroot}%{_sysconfdir}/gnupg
 touch %{buildroot}%{_sysconfdir}/gnupg/gpgconf.conf
 mkdir -p %{buildroot}%{_sysconfdir}/profile.d
-echo "export GPG_TTY=\$(tty)" > %{buildroot}%{_sysconfdir}/profile.d/gnupg2.sh
-echo "setenv GPG_TTY \`tty\`" > %{buildroot}%{_sysconfdir}/profile.d/gnupg2.csh
+install -p %{SOURCE3} %{SOURCE4} %{buildroot}%{_sysconfdir}/profile.d
 
 # more docs
 install -m644 -p AUTHORS NEWS THANKS TODO \