fix(rootfs-block): shellcheck for modules.d/95rootfs-block

modules.d/95rootfs-block/module-setup.sh

@@ -16,9 +16,9 @@ cmdline_journal() {
             [[ ${host_fs_types[$dev]} == "reiserfs" ]] || [[ ${host_fs_types[$dev]} == "xfs" ]] || continue
             rootopts=$(find_dev_fsopts "$dev")
             if [[ ${host_fs_types[$dev]} == "reiserfs" ]]; then
-                journaldev=$(fs_get_option $rootopts "jdev")
+                journaldev=$(fs_get_option "$rootopts" "jdev")
             elif [[ ${host_fs_types[$dev]} == "xfs" ]]; then
-                journaldev=$(fs_get_option $rootopts "logdev")
+                journaldev=$(fs_get_option "$rootopts" "logdev")
             fi
 
             if [ -n "$journaldev" ]; then
@@ -30,7 +30,8 @@ cmdline_journal() {
 }
 
 cmdline_rootfs() {
-    local _block=$(find_root_block_device)
+    local _block
+    _block=$(find_root_block_device)
     local _dev=/dev/block/$_block
     local _fstype _flags _subvol
 
@@ -39,7 +40,7 @@ cmdline_rootfs() {
         return
     fi
 
-    if [ -n "$_block" -a -b $_dev ]; then
+    if [ -n "$_block" -a -b "$_dev" ]; then
         printf " root=%s" "$(shorten_persistent_dev "$(get_persistent_dev "$_dev")")"
     fi
     _fstype="$(find_mp_fstype /)"
@@ -66,9 +67,11 @@ cmdline() {
 # called by dracut
 install() {
     if [[ $hostonly_cmdline == "yes" ]]; then
-        local _journaldev=$(cmdline_journal)
+        local _journaldev
+        _journaldev=$(cmdline_journal)
         [[ $_journaldev ]] && printf "%s\n" "$_journaldev" >> "${initdir}/etc/cmdline.d/95root-journaldev.conf"
-        local _rootdev=$(cmdline_rootfs)
+        local _rootdev
+        _rootdev=$(cmdline_rootfs)
         [[ $_rootdev ]] && printf "%s\n" "$_rootdev" >> "${initdir}/etc/cmdline.d/95root-dev.conf"
     fi
 

modules.d/95rootfs-block/mount-root.sh

@@ -4,7 +4,6 @@ type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh
 type det_fs > /dev/null 2>&1 || . /lib/fs-lib.sh
 
 mount_root() {
-    local _ret
     local _rflags_ro
     # sanity - determine/fix fstype
     rootfs=$(det_fs "${root#block:}" "$fstype")
@@ -26,7 +25,7 @@ mount_root() {
     _rflags_ro="$rflags,ro"
     _rflags_ro="${_rflags_ro##,}"
 
-    while ! mount -t ${rootfs} -o "$_rflags_ro" "${root#block:}" "$NEWROOT"; do
+    while ! mount -t "${rootfs}" -o "$_rflags_ro" "${root#block:}" "$NEWROOT"; do
         warn "Failed to mount -t ${rootfs} -o $_rflags_ro ${root#block:} $NEWROOT"
         fsck_ask_err
     done
@@ -34,6 +33,7 @@ mount_root() {
     READONLY=
     fsckoptions=
     if [ -f "$NEWROOT"/etc/sysconfig/readonly-root ]; then
+        # shellcheck disable=SC1090
         . "$NEWROOT"/etc/sysconfig/readonly-root
     fi
 
@@ -57,6 +57,7 @@ mount_root() {
         if [ -f "$NEWROOT"/forcefsck ] || getargbool 0 forcefsck; then
             fsckoptions="-f $fsckoptions"
         elif [ -f "$NEWROOT"/.autofsck ]; then
+            # shellcheck disable=SC1090
             [ -f "$NEWROOT"/etc/sysconfig/autofsck ] \
                 && . "$NEWROOT"/etc/sysconfig/autofsck
             if [ "$AUTOFSCK_DEF_CHECK" = "yes" ]; then
@@ -81,7 +82,7 @@ mount_root() {
         # the root filesystem,
         # remount it with the proper options
         rootopts="defaults"
-        while read dev mp fs opts dump fsck || [ -n "$dev" ]; do
+        while read -r dev mp fs opts _ fsck || [ -n "$dev" ]; do
             # skip comments
             [ "${dev%%#*}" != "$dev" ] && continue
 
@@ -105,15 +106,12 @@ mount_root() {
     # esc_root=$(echo ${root#block:} | sed 's,\\,\\\\,g')
     # printf '%s %s %s %s 1 1 \n' "$esc_root" "$NEWROOT" "$rootfs" "$rflags" >/etc/fstab
 
-    ran_fsck=0
     if fsck_able "$rootfs" \
         && [ "$rootfsck" != "0" -a -z "$fastboot" -a "$READONLY" != "yes" ] \
         && ! strstr "${rflags}" _netdev \
         && ! getargbool 0 rd.skipfsck; then
         umount "$NEWROOT"
         fsck_single "${root#block:}" "$rootfs" "$rflags" "$fsckoptions"
-        _ret=$?
-        ran_fsck=1
     fi
 
     echo "${root#block:} $NEWROOT $rootfs ${rflags:-defaults} 0 ${rootfsck:-0}" >> /etc/fstab

modules.d/95rootfs-block/parse-block.sh

@@ -7,6 +7,7 @@ case "${root#block:}" in
         ;;
     /dev/*)
         root="block:${root#block:}"
+        # shellcheck disable=SC2034
         rootok=1
         ;;
 esac