[PATCH 8/9] Dracut cleanups, part 2

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Prefer /bin/dash as /bin/sh on the initrd if it is available.

This is mainly for testing purposes -- if something non-POSIX is added to the
on initrd scripts, dash will die horribly.
---
 dracut |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/dracut b/dracut
index 530524c..186d6ad 100755
--- a/dracut
+++ b/dracut
@@ -43,7 +43,7 @@ initdir=$(mktemp -d -t initramfs.XXXXXX)
 trap 'rm -rf "$initdir"' 0 # clean up after ourselves no matter how we die.
 
 # executables that we have to have
-exe="/bin/bash /bin/mount /bin/mknod /bin/mkdir /sbin/modprobe /sbin/udevd /sbin/udevadm /sbin/nash /sbin/pidof /bin/sleep /usr/sbin/chroot /bin/echo /bin/cat"
+exe="/bin/bash /bin/mount /bin/mknod /bin/mkdir /sbin/modprobe /sbin/udevd /sbin/udevadm /sbin/nash /sbin/pidof /bin/sleep /usr/sbin/chroot /bin/echo /bin/cat /bin/sed"
 lvmexe="/sbin/lvm"
 cryptexe="/sbin/cryptsetup"
 # and some things that are nice for debugging
@@ -56,6 +56,12 @@ for binary in $exe $debugexe $udevexe $lvmexe $cryptexe ; do
   inst $binary
 done
 
+# Prefer dash as /bin/sh if it is available.
+if [[ -f /bin/dash ]]; then
+    inst /bin/dash
+    ln -sf /bin/dash "${initdir}/bin/sh"
+fi
+
 # FIXME: would be nice if we didn't have to know which rules to grab....
 # ultimately, /lib/initramfs/rules.d or somesuch which includes links/copies
 # of the rules we want so that we just copy those in would be best
-- 
1.6.0.6

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