Ignore empty & comment lines in crypttab

Resolves: rhbz#2159728

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

0011-ignore-empty-and-comment-lines-in-crypttab.patch

@@ -0,0 +1,16 @@
+--- clevis-18.ori/src/luks/clevis-luks-common-functions.in	2023-01-12 11:00:00.927790464 +0100
++++ clevis-18/src/luks/clevis-luks-common-functions.in	2023-01-12 11:05:53.528590215 +0100
+@@ -418,7 +418,12 @@
+     clevis_devices=
+ 
+     # Build list of devices to unlock.
+-    while read -r _ crypt_device _; do
++    while read -r _volname_ crypt_device _; do
++        # skip empty lines and lines which begin with the '#' char, per
++        # crypttab(5)
++        case $_volname_ in
++            ''|\#*) continue ;;
++        esac
+         if ! dev=$(clevis_map_device "${crypt_device}") \
+                    || [ -z "${dev}" ]; then
+             # Unable to get the device - maybe it's not available, e.g. a

clevis.spec

@@ -1,6 +1,6 @@
 Name:           clevis
 Version:        18
-Release:        107%{?dist}
+Release:        108%{?dist}
 Summary:        Automated decryption framework
 
 License:        GPLv3+
@@ -17,6 +17,7 @@ Patch0007: 0007-avoid-clevis-invalid-msg.patch
 Patch0008: 0008-Improve-boot-performance-by-removing-key-check.patch
 Patch0009: 0009-luks-enable-debugging-in-clevis-scripts-when-rd.debu.patch
 Patch0010: 0010-existing-luks2-token-id.patch
+Patch0011: 0011-ignore-empty-and-comment-lines-in-crypttab.patch
 
 BuildRequires:  git-core
 BuildRequires:  gcc
@@ -197,6 +198,10 @@ systemctl preset %{name}-luks-askpass.path >/dev/null 2>&1 || :
 %attr(4755, root, root) %{_libexecdir}/%{name}-luks-udisks2
 
 %changelog
+* Thu Jan 12 2023 Sergio Arroutbi <sarroutb@redhat.com> - 15-108
+- Ignore empty & comment lines in crypttab
+  Resolves: rhbz#2159728
+
 * Tue Dec 13 2022 Sergio Arroutbi <sarroutb@redhat.com> - 18-107
 - Add existing token id parameter
   Resolves: rhbz#2126533