fix(TEST BASIC): shellcheck

test/TEST-01-BASIC/create-root.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # don't let udev and this script step on eachother's toes
 for x in 64-lvm.rules 70-mdadm.rules 99-mount-rules; do
-    > "/etc/udev/rules.d/$x"
+    : > "/etc/udev/rules.d/$x"
 done
 rm -f -- /etc/lvm/lvm.conf
 udevadm control --reload

test/TEST-01-BASIC/test-init.sh

@@ -1,115 +1,12 @@
 #!/bin/sh
-> /dev/watchdog
-getcmdline() {
-    while read -r _line || [ -n "$_line" ]; do
-        printf "%s" "$_line"
-    done < /proc/cmdline
-}
+: > /dev/watchdog
 
-_dogetarg() {
-    local _o _val _doecho
-    unset _val
-    unset _o
-    unset _doecho
-    CMDLINE=$(getcmdline)
+. /lib/dracut-lib.sh
 
-    for _o in $CMDLINE; do
-        if [ "${_o%%=*}" = "${1%%=*}" ]; then
-            if [ -n "${1#*=}" -a "${1#*=*}" != "${1}" ]; then
-                # if $1 has a "=<value>", we want the exact match
-                if [ "$_o" = "$1" ]; then
-                    _val="1"
-                    unset _doecho
-                fi
-                continue
-            fi
-
-            if [ "${_o#*=}" = "$_o" ]; then
-                # if cmdline argument has no "=<value>", we assume "=1"
-                _val="1"
-                unset _doecho
-                continue
-            fi
-
-            _val="${_o#*=}"
-            _doecho=1
-        fi
-    done
-    if [ -n "$_val" ]; then
-        [ "x$_doecho" != "x" ] && echo "$_val"
-        return 0
-    fi
-    return 1
-}
-
-getarg() {
-    local _deprecated _newoption
-    while [ $# -gt 0 ]; do
-        case $1 in
-            -d)
-                _deprecated=1
-                shift
-                ;;
-            -y)
-                if _dogetarg $2 > /dev/null; then
-                    if [ "$_deprecated" = "1" ]; then
-                        [ -n "$_newoption" ] && warn "Kernel command line option '$2' is deprecated, use '$_newoption' instead." || warn "Option '$2' is deprecated."
-                    fi
-                    echo 1
-                    return 0
-                fi
-                _deprecated=0
-                shift 2
-                ;;
-            -n)
-                if _dogetarg $2 > /dev/null; then
-                    echo 0
-                    if [ "$_deprecated" = "1" ]; then
-                        [ -n "$_newoption" ] && warn "Kernel command line option '$2' is deprecated, use '$_newoption=0' instead." || warn "Option '$2' is deprecated."
-                    fi
-                    return 1
-                fi
-                _deprecated=0
-                shift 2
-                ;;
-            *)
-                if [ -z "$_newoption" ]; then
-                    _newoption="$1"
-                fi
-                if _dogetarg $1; then
-                    if [ "$_deprecated" = "1" ]; then
-                        [ -n "$_newoption" ] && warn "Kernel command line option '$1' is deprecated, use '$_newoption' instead." || warn "Option '$1' is deprecated."
-                    fi
-                    return 0
-                fi
-                _deprecated=0
-                shift
-                ;;
-        esac
-    done
-    return 1
-}
-
-getargbool() {
-    local _b
-    unset _b
-    local _default
-    _default="$1"
-    shift
-    _b=$(getarg "$@")
-    [ $? -ne 0 -a -z "$_b" ] && _b="$_default"
-    if [ -n "$_b" ]; then
-        [ $_b = "0" ] && return 1
-        [ $_b = "no" ] && return 1
-        [ $_b = "off" ] && return 1
-    fi
-    return 0
-}
 export PATH=/sbin:/bin:/usr/sbin:/usr/bin
-strstr() { [ "${1##*"$2"*}" != "$1" ]; }
-CMDLINE=$(while read line || [ -n "$line" ]; do echo $line; done < /proc/cmdline)
-plymouth --quit
+command -v plymouth > /dev/null 2>&1 && plymouth --quit
 exec > /dev/console 2>&1
+
 echo "dracut-root-block-success" | dd oflag=direct,dsync of=/dev/sdb
 export TERM=linux
 export PS1='initramfs-test:\w\$ '
@@ -123,4 +20,5 @@ if getargbool 0 rd.shell; then
 fi
 echo "Powering down."
 mount -n -o remount,ro /
+sync
 poweroff -f

test/TEST-01-BASIC/test.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+# shellcheck disable=SC2034
 TEST_DESCRIPTION="root filesystem on a ext3 filesystem"
 
 KVERSION=${KVERSION-$(uname -r)}
@@ -7,29 +8,31 @@ KVERSION=${KVERSION-$(uname -r)}
 # DEBUGFAIL="rd.shell rd.break"
 
 test_run() {
-    dd if=/dev/zero of=$TESTDIR/result bs=1M count=1
-    $testdir/run-qemu \
-        -drive format=raw,index=0,media=disk,file=$TESTDIR/root.ext3 \
-        -drive format=raw,index=1,media=disk,file=$TESTDIR/result \
+    dd if=/dev/zero of="$TESTDIR"/result bs=1M count=1
+    "$testdir"/run-qemu \
+        -drive format=raw,index=0,media=disk,file="$TESTDIR"/root.ext3 \
+        -drive format=raw,index=1,media=disk,file="$TESTDIR"/result \
         -watchdog i6300esb -watchdog-action poweroff \
         -append "panic=1 systemd.crash_reboot \"root=LABEL=  rdinit=/bin/sh\" rw systemd.log_level=debug systemd.log_target=console rd.retry=3 rd.debug console=ttyS0,115200n81 rd.shell=0 $DEBUGFAIL" \
-        -initrd $TESTDIR/initramfs.testing || return 1
-    grep -U --binary-files=binary -F -m 1 -q dracut-root-block-success $TESTDIR/result || return 1
+        -initrd "$TESTDIR"/initramfs.testing || return 1
+    grep -U --binary-files=binary -F -m 1 -q dracut-root-block-success "$TESTDIR"/result || return 1
 }
 
 test_setup() {
-    rm -f -- $TESTDIR/root.ext3
+    rm -f -- "$TESTDIR"/root.ext3
     # Create the blank file to use as a root filesystem
-    dd if=/dev/zero of=$TESTDIR/root.ext3 bs=1M count=80
+    dd if=/dev/zero of="$TESTDIR"/root.ext3 bs=1M count=80
 
     kernel=$KVERSION
     # Create what will eventually be our root filesystem onto an overlay
     (
+        # shellcheck disable=SC2030
         export initdir=$TESTDIR/overlay/source
-        mkdir -p $initdir
-        . $basedir/dracut-init.sh
+        mkdir -p "$initdir"
+        # shellcheck disable=SC1090
+        . "$basedir"/dracut-init.sh
         (
-            cd "$initdir"
+            cd "$initdir" || exit
             mkdir -p -- dev sys proc etc var/run tmp
             mkdir -p root usr/bin usr/lib usr/lib64 usr/sbin
             for i in bin sbin lib lib64; do
@@ -38,25 +41,34 @@ test_setup() {
         )
         inst_multiple sh df free ls shutdown poweroff stty cat ps ln ip \
             mount dmesg dhclient mkdir cp ping dhclient \
-            umount strace less setsid dd
+            umount strace less setsid dd sync
         for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
             [ -f ${_terminfodir}/l/linux ] && break
         done
         inst_multiple -o ${_terminfodir}/l/linux
         inst "$basedir/modules.d/35network-legacy/dhclient-script.sh" "/sbin/dhclient-script"
         inst "$basedir/modules.d/35network-legacy/ifup.sh" "/sbin/ifup"
+
+        inst_simple "${basedir}/modules.d/99base/dracut-lib.sh" "/lib/dracut-lib.sh"
+        inst_binary "${basedir}/dracut-util" "/usr/bin/dracut-util"
+        ln -s dracut-util "${initdir}/usr/bin/dracut-getarg"
+        ln -s dracut-util "${initdir}/usr/bin/dracut-getargs"
+
         inst_multiple grep
         inst_simple /etc/os-release
         inst ./test-init.sh /sbin/init
         find_binary plymouth > /dev/null && inst_multiple plymouth
-        cp -a /etc/ld.so.conf* $initdir/etc
+        cp -a /etc/ld.so.conf* "$initdir"/etc
         ldconfig -r "$initdir"
     )
 
     # second, install the files needed to make the root filesystem
     (
+        # shellcheck disable=SC2031
+        # shellcheck disable=SC2030
         export initdir=$TESTDIR/overlay
-        . $basedir/dracut-init.sh
+        # shellcheck disable=SC1090
+        . "$basedir"/dracut-init.sh
         inst_multiple sfdisk mkfs.ext3 poweroff cp umount sync dd
         inst_hook initqueue 01 ./create-root.sh
         inst_hook initqueue/finished 01 ./finished-false.sh
@@ -66,34 +78,36 @@ test_setup() {
     # create an initramfs that will create the target root filesystem.
     # We do it this way so that we do not risk trashing the host mdraid
     # devices, volume groups, encrypted partitions, etc.
-    $basedir/dracut.sh -l -i $TESTDIR/overlay / \
+    "$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
         -m "dash udev-rules base rootfs-block fs-lib kernel-modules fs-lib qemu" \
         -d "piix ide-gd_mod ata_piix ext3 sd_mod" \
         --nomdadmconf \
         --no-hostonly-cmdline -N \
-        -f $TESTDIR/initramfs.makeroot $KVERSION || return 1
-    rm -rf -- $TESTDIR/overlay
+        -f "$TESTDIR"/initramfs.makeroot "$KVERSION" || return 1
+    rm -rf -- "$TESTDIR"/overlay
     # Invoke KVM and/or QEMU to actually create the target filesystem.
 
-    $testdir/run-qemu \
-        -drive format=raw,index=0,media=disk,file=$TESTDIR/root.ext3 \
+    "$testdir"/run-qemu \
+        -drive format=raw,index=0,media=disk,file="$TESTDIR"/root.ext3 \
         -append "root=/dev/dracut/root rw rootfstype=ext3 quiet console=ttyS0,115200n81 selinux=0" \
-        -initrd $TESTDIR/initramfs.makeroot || return 1
-    grep -U --binary-files=binary -F -m 1 -q dracut-root-block-created $TESTDIR/root.ext3 || return 1
+        -initrd "$TESTDIR"/initramfs.makeroot || return 1
+    grep -U --binary-files=binary -F -m 1 -q dracut-root-block-created "$TESTDIR"/root.ext3 || return 1
 
     (
+        # shellcheck disable=SC2031
         export initdir=$TESTDIR/overlay
-        . $basedir/dracut-init.sh
+        # shellcheck disable=SC1090
+        . "$basedir"/dracut-init.sh
         inst_multiple poweroff shutdown dd
         inst_hook shutdown-emergency 000 ./hard-off.sh
         inst_hook emergency 000 ./hard-off.sh
         inst_simple ./99-idesymlinks.rules /etc/udev/rules.d/99-idesymlinks.rules
     )
-    $basedir/dracut.sh -l -i $TESTDIR/overlay / \
+    "$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
         -a "debug watchdog" \
         -d "piix ide-gd_mod ata_piix ext3 sd_mod i6300esb ib700wdt" \
         --no-hostonly-cmdline -N \
-        -f $TESTDIR/initramfs.testing $KVERSION || return 1
+        -f "$TESTDIR"/initramfs.testing "$KVERSION" || return 1
 
     #       -o "plymouth network md dmraid multipath fips caps crypt btrfs resume dmsquash-live dm"
 }
@@ -102,4 +116,5 @@ test_cleanup() {
     return 0
 }
 
-. $testdir/test-functions
+# shellcheck disable=SC1090
+. "$testdir"/test-functions