Avoid invalid message for clevis command

When specifying 'clevis' command with no parameters,
different options should be printed without message
"Command 'clevis' is invalid"

Resolves: rhbz#2080281

Signed-off-by: Sergio Arroutbi <sarroutb@redhat.com>

0007-avoid-clevis-invalid-msg.patch

@@ -0,0 +1,25 @@
+--- clevis-18.ori/src/clevis	2021-04-15 13:00:19.965065700 +0200
++++ clevis-18/src/clevis	2022-06-20 14:29:50.148261656 +0200
+@@ -27,6 +27,8 @@
+ }
+ 
+ cmd=clevis
++input_commands="$cmd $@"
++
+ while [ $# -gt 0 ]; do
+     [[ "$1" =~ ^- ]] && break
+     cmd="$cmd-$1"
+@@ -36,8 +38,11 @@
+ done
+ 
+ exec >&2
+-echo
+-echo "Command '$cmd' is invalid"
++if [ "$cmd" != "clevis" ];
++then
++    echo
++    echo "Command '$input_commands' is invalid"
++fi
+ echo
+ echo "Usage: clevis COMMAND [OPTIONS]"
+ echo

clevis.spec

@@ -1,6 +1,6 @@
 Name:           clevis
 Version:        18
-Release:        102%{?dist}
+Release:        103%{?dist}
 Summary:        Automated decryption framework
 
 License:        GPLv3+
@@ -13,6 +13,7 @@ Patch0002: 0002-systemd-account-for-unlocking-failures-in-clevis-luk.patch
 Patch0004: 0004-luks-explicitly-specify-pbkdf-iterations-to-cryptset.patch
 Patch0005: 0005-tang-dump-url-on-error-communication.patch
 Patch0006: 0006-feat-rename-the-test-pin-to-null-pin.patch
+Patch0007: 0007-avoid-clevis-invalid-msg.patch
 
 BuildRequires:  git-core
 BuildRequires:  gcc
@@ -200,6 +201,10 @@ exit 0
 %attr(4755, root, root) %{_libexecdir}/%{name}-luks-udisks2
 
 %changelog
+* Mon Jun 20 2022 Sergio Arroutbi <sarroutb@redhat.com> - 18-103
+- Avoid invalid message for clevis command
+  Resolves: rhbz#2080281
+
 * Wed Jan 26 2022 Sergio Correia <scorreia@redhat.com> - 18-102
 - Support a null pin
   Resolves: rhbz#2028091