POSIX-ize all the shell scripts that get installed to the initramfs.

index aec20c0..c5f68c7 100755
@@ -108,9 +108,9 @@ if [ -f /etc/sysconfig/i18n ]; then
 fi
 
 # install our files
-cp $initfile "$initdir/init"
-cp $switchroot "$initdir/sbin/switch_root"
-cp $echoer "$initdir/echoer"
+inst "$initfile" "/init"
+inst "$switchroot" "/sbin/switch_root"
+inst "$echoer" "/echoer"
 for hookdir in $hookdirs; do
     for hook in "$dsrc/$hookdir"/*; do
 	[[ -f $hook ]] && inst "$hook" "/$hookdir/${hook##*/}"

index 249155d..9fc7abf 100755
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 target=$1
 shift
 echo "$@" >"$target"
\ No newline at end of file

index 611781c..84ae051 100755
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # Licensed under the GPLv2
 #

@@ -10,28 +10,28 @@ emergency_shell()
     echo ; echo
     echo "Bug in initramfs /init detected. Dropping to a shell. Good luck!"
     echo
-    bash < /dev/console
+    sh < /dev/console
 }
 
 getarg() {
     local o;
-    for o in $(< /proc/cmdline); do
-	[[ $o == $1 ]] && { echo $o; break; }
+    for o in $(cat /proc/cmdline); do
+	[ "${o%%=*}" = "$1" ] && { echo $o; break; }
     done
     return 1
 }
 
 source_all() {
     local f
-    [[ $1 &&  -d /$1 ]] || return
-    for f in "/$1"/*; do [[ -f $f ]] && . "$f"; done
+    [ "$1" ] && [  -d "/$1" ] || return
+    for f in "/$1"/*; do [ -f "$f" ] && . "$f"; done
 }
 
 echo "Starting initrd..."
 export PATH=/sbin:/bin:/usr/sbin:/usr/bin
 export TERM=linux
 
-trap "emergency_shell" 0 2
+trap "emergency_shell" 0
 # /dev/console comes from the built-in initramfs crud in the kernel
 # someday, we may need to mkdir /dev first here
 exec > /dev/console 2>&1 < /dev/console

@@ -63,7 +63,7 @@ NEWROOT="/sysroot"
 # FIXME: there's got to be a better way ...
 # it'd be nice if we had a udev rule that just did all of the bits for
 # figuring out what the specified root is and linking it /dev/root
-root=$(getarg 'root=*'); root=${root#root=}
+root=$(getarg root); root=${root#root=}
 case $root in
     LABEL=*) root=${root#LABEL=}
              root=${root//\//\\x2f}

@@ -80,7 +80,7 @@ udevadm settle --timeout=30
 source_all pre-mount
 
 echo "Trying to mount rootfs $root"
-[[ -e $root ]] || emergency_shell
+[ -e "$root" ] || emergency_shell
 ln -s "$root" /dev/root    
 mount -o ro /dev/root $NEWROOT || emergency_shell
 

index 39e6e6e..de7eca4 100755
@@ -1,6 +1,7 @@
-#!/bin/bash
-[[ -f /cryptroot ]] || return
-echo "Encrypted root detected."
-cryptopts=$(< /cryptroot)
-/sbin/cryptsetup luksOpen $cryptopts || emergency_shell
-udevadm settle --timeout=30
+#!/bin/sh
+[ -f /cryptroot ] && { 
+    echo "Encrypted root detected."
+    cryptopts=$(cat /cryptroot)
+    /sbin/cryptsetup luksOpen $cryptopts || emergency_shell
+    udevadm settle --timeout=30
+}

index 7eacd38..4f1d6c3 100755
@@ -1,7 +1,10 @@
-#!/bin/bash
-resume=$(getarg 'resume=*') || return
-resume=${resume#resume=}
-[[ -b $resume ]] || return
-# parsing the output of ls is Bad, but until there is a better way...
-read x x x x maj min x < <(ls -lH "$resume")
-echo "${maj/,/}:$min"> /sys/power/resume
+#!/bin/sh
+resume=$(getarg resume) && {
+    resume=${resume#resume=}
+    [ -b "$resume" ] && {
+        # parsing the output of ls is Bad, but until there is a better way...
+	ls -lH "$resume" | ( 
+	    read x x x x maj min x;
+	    echo "${maj%,}:$min"> /sys/power/resume)
+    }
+}

index 8cc3133..ceece63 100755
@@ -1,10 +1,11 @@
-#!/bin/bash
+#!/bin/sh
 # FIXME: load selinux policy.  this should really be done after we switchroot 
-[[ -x $NEWROOT/usr/sbin/load_policy ]] || return
-chroot $NEWROOT /usr/sbin/load_policy -i
-if (($? == 3)); then
-   echo "Initial SELinux policy load failed and enforcing mode requested."
-   echo "Not continuing"
-   sleep 100d
-   exit 1
-fi
+[ -x "$NEWROOT/usr/sbin/load_policy" ] && {
+    chroot $NEWROOT /usr/sbin/load_policy -i
+    if [ $? -eq 3 ]; then
+	echo "Initial SELinux policy load failed and enforcing mode requested."
+	echo "Not continuing"
+	sleep 100d
+	exit 1
+    fi
+}