fix(dracut-systemd): shellcheck for modules.d/98dracut-systemd

modules.d/98dracut-systemd/dracut-cmdline-ask.sh

@@ -14,7 +14,7 @@ echo
 echo
 echo
 echo "Enter additional kernel command line parameter (end with ctrl-d or .)"
-while read -e -p "> " line || [ -n "$line" ]; do
+while read -r -e -p "> " line || [ -n "$line" ]; do
     [ "$line" = "." ] && break
     [ -n "$line" ] && printf -- "%s\n" "$line" >> /etc/cmdline.d/99-cmdline-ask.conf
 done

modules.d/98dracut-systemd/dracut-cmdline.sh

@@ -14,7 +14,7 @@ if ! getargbool 1 'rd.hostonly'; then
     [ -f /tmp/99-cmdline-ask.conf ] && mv /tmp/99-cmdline-ask.conf /etc/cmdline.d/99-cmdline-ask.conf
 fi
 
-info "Using kernel command line parameters:" $(getcmdline)
+info "Using kernel command line parameters:" "$(getcmdline)"
 
 getargbool 0 rd.udev.log-priority=info -d rd.udev.info -d -n -y rdudevinfo && echo 'udev_log="info"' >> /etc/udev/udev.conf
 getargbool 0 rd.udev.log-priority=debug -d rd.udev.debug -d -n -y rdudevdebug && echo 'udev_log="debug"' >> /etc/udev/udev.conf

modules.d/98dracut-systemd/dracut-emergency.sh

@@ -17,10 +17,10 @@ if getargbool 1 rd.shell -d -y rdshell || getarg rd.break -d rdbreak; then
     FSTXT="/run/dracut/fsck/fsck_help_$fstype.txt"
     RDSOSREPORT="$(rdsosreport)"
     source_hook "$hook"
-    while read _tty rest; do
+    while read -r _tty rest; do
         (
             echo
-            echo $RDSOSREPORT
+            echo "$RDSOSREPORT"
             echo
             echo
             echo 'Entering emergency mode. Exit the shell to continue.'
@@ -30,7 +30,7 @@ if getargbool 1 rd.shell -d -y rdshell || getarg rd.break -d rdbreak; then
             echo
             echo
             [ -f "$FSTXT" ] && cat "$FSTXT"
-        ) > /dev/$_tty
+        ) > /dev/"$_tty"
     done < /proc/consoles
     [ -f /etc/profile ] && . /etc/profile
     [ -z "$PS1" ] && export PS1="$_name:\${PWD}# "

modules.d/98dracut-systemd/dracut-initqueue.sh

@@ -23,25 +23,27 @@ while :; do
 
     check_finished && break
 
-    udevadm settle --exit-if-exists=$hookdir/initqueue/work
+    udevadm settle --exit-if-exists="$hookdir"/initqueue/work
 
     check_finished && break
 
-    if [ -f $hookdir/initqueue/work ]; then
+    if [ -f "$hookdir"/initqueue/work ]; then
         rm -f -- "$hookdir/initqueue/work"
     fi
 
-    for job in $hookdir/initqueue/*.sh; do
+    for job in "$hookdir"/initqueue/*.sh; do
         [ -e "$job" ] || break
-        job=$job . $job
+        # shellcheck disable=SC2097 disable=SC1090 disable=SC2098
+        job=$job . "$job"
         check_finished && break 2
     done
 
     udevadm settle --timeout=0 > /dev/null 2>&1 || continue
 
-    for job in $hookdir/initqueue/settled/*.sh; do
+    for job in "$hookdir"/initqueue/settled/*.sh; do
         [ -e "$job" ] || break
-        job=$job . $job
+        # shellcheck disable=SC2097 disable=SC1090 disable=SC2098
+        job=$job . "$job"
         check_finished && break 2
     done
 
@@ -56,16 +58,17 @@ while :; do
 
     if [ $main_loop -gt $((2 * RDRETRY / 3)) ]; then
         warn "dracut-initqueue: timeout, still waiting for following initqueue hooks:"
-        for _f in $hookdir/initqueue/finished/*.sh; do
+        for _f in "$hookdir"/initqueue/finished/*.sh; do
             warn "$_f: \"$(cat "$_f")\""
         done
-        if [ "$(ls -A $hookdir/initqueue/finished)" ]; then
+        if [ "$(ls -A "$hookdir"/initqueue/finished)" ]; then
             warn "dracut-initqueue: starting timeout scripts"
-            for job in $hookdir/initqueue/timeout/*.sh; do
+            for job in "$hookdir"/initqueue/timeout/*.sh; do
                 [ -e "$job" ] || break
-                job=$job . $job
+                # shellcheck disable=SC2097 disable=SC1090 disable=SC2098
+                job=$job . "$job"
                 udevadm settle --timeout=0 > /dev/null 2>&1 || main_loop=0
-                [ -f $hookdir/initqueue/work ] && main_loop=0
+                [ -f "$hookdir"/initqueue/work ] && main_loop=0
                 [ $main_loop -eq 0 ] && break
             done
         fi

modules.d/98dracut-systemd/dracut-mount.sh

@@ -18,7 +18,8 @@ while :; do
         usable_root "$NEWROOT" && break
         umount "$NEWROOT"
     fi
-    for f in $hookdir/mount/*.sh; do
+    for f in "$hookdir"/mount/*.sh; do
+        # shellcheck disable=SC1090
         [ -f "$f" ] && . "$f"
         if ismounted "$NEWROOT"; then
             usable_root "$NEWROOT" && break

modules.d/98dracut-systemd/dracut-pre-udev.sh

@@ -26,7 +26,7 @@ for i in $(getargs rd.driver.pre -d rdloaddriver=); do
     (
         IFS=,
         for p in $i; do
-            modprobe $p 2>&1 | vinfo
+            modprobe "$p" 2>&1 | vinfo
         done
     )
 done

modules.d/98dracut-systemd/module-setup.sh

@@ -19,11 +19,10 @@ installkernel() {
 
 # called by dracut
 install() {
-    local _mods
     inst_script "$moddir/dracut-emergency.sh" /bin/dracut-emergency
-    inst_simple "$moddir/emergency.service" ${systemdsystemunitdir}/emergency.service
-    inst_simple "$moddir/dracut-emergency.service" ${systemdsystemunitdir}/dracut-emergency.service
-    inst_simple "$moddir/emergency.service" ${systemdsystemunitdir}/rescue.service
+    inst_simple "$moddir/emergency.service" "${systemdsystemunitdir}"/emergency.service
+    inst_simple "$moddir/dracut-emergency.service" "${systemdsystemunitdir}"/dracut-emergency.service
+    inst_simple "$moddir/emergency.service" "${systemdsystemunitdir}"/rescue.service
 
     ln_r "${systemdsystemunitdir}/initrd.target" "${systemdsystemunitdir}/default.target"
 
@@ -36,7 +35,7 @@ install() {
     inst_script "$moddir/dracut-mount.sh" /bin/dracut-mount
     inst_script "$moddir/dracut-pre-pivot.sh" /bin/dracut-pre-pivot
 
-    inst_script "$moddir/rootfs-generator.sh" $systemdutildir/system-generators/dracut-rootfs-generator
+    inst_script "$moddir/rootfs-generator.sh" "$systemdutildir"/system-generators/dracut-rootfs-generator
 
     for i in \
         dracut-cmdline.service \
@@ -46,8 +45,7 @@ install() {
         dracut-pre-mount.service \
         dracut-pre-pivot.service \
         dracut-pre-trigger.service \
-        dracut-pre-udev.service \
-        ${NULL}; do
+        dracut-pre-udev.service; do
         inst_simple "$moddir/${i}" "$systemdsystemunitdir/${i}"
         $SYSTEMCTL -q --root "$initdir" add-wants initrd.target "$i"
     done

modules.d/98dracut-systemd/rootfs-generator.sh

@@ -22,24 +22,24 @@ if ! grep -q After=remote-fs-pre.target /run/systemd/generator/systemd-cryptsetu
 fi
 EOF
         {
-            printf '[ -e "%s" ] || ' $1
-            printf 'warn "\"%s\" does not exist"\n' $1
+            printf '[ -e "%s" ] || ' "$1"
+            printf 'warn "\"%s\" does not exist"\n' "$1"
         } >> "$hookdir/emergency/80-${_name}.sh"
     fi
 
     _name=$(dev_unit_name "$1")
-    if ! [ -L "$GENERATOR_DIR"/initrd.target.wants/${_name}.device ]; then
+    if ! [ -L "$GENERATOR_DIR"/initrd.target.wants/"${_name}".device ]; then
         [ -d "$GENERATOR_DIR"/initrd.target.wants ] || mkdir -p "$GENERATOR_DIR"/initrd.target.wants
-        ln -s ../${_name}.device "$GENERATOR_DIR"/initrd.target.wants/${_name}.device
+        ln -s ../"${_name}".device "$GENERATOR_DIR"/initrd.target.wants/"${_name}".device
     fi
 
-    if ! [ -f "$GENERATOR_DIR"/${_name}.device.d/timeout.conf ]; then
-        mkdir -p "$GENERATOR_DIR"/${_name}.device.d
+    if ! [ -f "$GENERATOR_DIR"/"${_name}".device.d/timeout.conf ]; then
+        mkdir -p "$GENERATOR_DIR"/"${_name}".device.d
         {
             echo "[Unit]"
             echo "JobTimeoutSec=$_timeout"
             echo "JobRunningTimeoutSec=$_timeout"
-        } > "$GENERATOR_DIR"/${_name}.device.d/timeout.conf
+        } > "$GENERATOR_DIR"/"${_name}".device.d/timeout.conf
     fi
 }
 
@@ -77,12 +77,12 @@ generator_fsck_after_pre_mount() {
     [ -z "$1" ] && return 0
 
     _name=$(dev_unit_name "$1")
-    [ -d /run/systemd/generator/systemd-fsck@${_name}.service.d ] || mkdir -p /run/systemd/generator/systemd-fsck@${_name}.service.d
-    if ! [ -f /run/systemd/generator/systemd-fsck@${_name}.service.d/after-pre-mount.conf ]; then
+    [ -d /run/systemd/generator/systemd-fsck@"${_name}".service.d ] || mkdir -p /run/systemd/generator/systemd-fsck@"${_name}".service.d
+    if ! [ -f /run/systemd/generator/systemd-fsck@"${_name}".service.d/after-pre-mount.conf ]; then
         {
             echo "[Unit]"
             echo "After=dracut-pre-mount.service"
-        } > /run/systemd/generator/systemd-fsck@${_name}.service.d/after-pre-mount.conf
+        } > /run/systemd/generator/systemd-fsck@"${_name}".service.d/after-pre-mount.conf
     fi
 
 }