more shellcheck fixes

hooks/luks/luks

@@ -1,4 +1,11 @@
 # vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# word splitting is safe by design
+# shellcheck disable=2086
 #
 # handle_luks()
 {
@@ -18,8 +25,6 @@
     # see https://bugs.archlinux.org/task/56771
     [ -e /lib/libgcc_s.so.1 ] && copy_library /lib/libgcc_s.so.1
 
-    # word splitting is safe by design
-    # shellcheck disable=2086
     IFS=,; set -- $luks_opts; unset IFS
 
     set -C; for opt; do case "${opt%%=*}" in

hooks/luks/luks.init

@@ -1,4 +1,11 @@
 # vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# word splitting is safe by design
+# shellcheck disable=2086,2068
 #
 # unlock_luks()
 {

hooks/lvm/lvm

@@ -1,4 +1,11 @@
 # vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# word splitting is safe by design
+# shellcheck disable=2086
 #
 # handle_lvm()
 {
@@ -26,8 +33,6 @@
             use_lvmetad = 0
         }"
 
-    # word splitting is safe by design
-    # shellcheck disable=2086
     IFS=,; set -- $lvm_opts; unset IFS
 
     for opt; do case "$opt" in

hooks/lvm/lvm.init

@@ -1,4 +1,11 @@
 # vim: set ft=sh:
+# shellcheck shell=sh
+#
+# false positive
+# shellcheck disable=2154
+#
+# word splitting is safe by design
+# shellcheck disable=2086,2068
 #
 # trigger_lvm()
 {
@@ -10,7 +17,7 @@
 
     for opt; do case "$opt" in
         discard=1) lvm_discard="--config=devices{issue_discards=1}" ;;
-        config=0)  : > /etc/lvm/lvm.conf  ;;
+        config=0)  : > /etc/lvm/lvm.conf ;;
         group=*)   lvm_group="${opt#*=}" ;;
         name=*)    lvm_name="/${opt#*=}" ;;
         tag=*)     lvm_tag="@${opt#*=}"  ;;