This patch series applies on top of my previous patch series, and
is mainly concerned with coding style updates and better documentation.
Apparently [[ ]] && { ; } type flow control is scary, so translate
most instances of them into standard if-then and case constructs.
---
dracut | 39 ++++++++++++++++++++++++---------------
1 files changed, 24 insertions(+), 15 deletions(-)
diff --git a/dracut b/dracut
index 0170fbb..e024fa4 100755
--- a/dracut
+++ b/dracut
@@ -57,8 +57,13 @@ while (($# > 0)); do
shift
done
-[[ -f $conffile ]] || ( [[ -f /etc/dracut.conf ]] && conffile="/etc/dracut.conf" )
+# if we were not passed a config file, try the default one
+[[ ! -f $conffile ]] && conffile="/etc/dracut.conf"
+
+# source our config file
[[ -f $conffile ]] && . "$conffile"
+
+# these options override the stuff in the config file
[[ $dracutmodules_l ]] && dracutmodules=$dracutmodules_l
[[ $omit_dracutmodules_l ]] && omit_dracutmodules=$omit_dracutmodules_l
[[ $modules_l ]] && modules=$modules_l
@@ -74,16 +79,18 @@ fi
dracutfunctions=$dsrc/dracut-functions
export dracutfunctions
-[[ $dracutmodules ]] || dracutmodules="auto"
-[[ $dracutmodules = "auto" ]] && {
- dracutmodules="all"
- skipmissing="yes"
-}
-[[ $dracutmodules = "hostonly" ]] && {
- dracutmodules="all"
- skipmissing="yes"
- hostonly="-h"
-}
+# this logic is weird and convoluted. We should simplify it.
+case $dracutmodules in
+ ""|auto)
+ dracutmodules="all"
+ skipmissing="yes"
+ ;;
+ hostonly)
+ dracutmodules="all"
+ skipmissing="yes"
+ hostonly="-h"
+ ;;
+esac
[[ $2 ]] && kernel=$2 || kernel=$(uname -r)
@@ -106,6 +113,8 @@ for d in bin sbin usr/bin usr/sbin usr/lib etc proc sys sysroot dev/pts; do
mkdir -p "$initdir/$d";
done
+# these bits are fugly, and need some cleanup.
+# Actually documenting how dracut modules work these days would be good.
skip_missing() {
# $1 = location of module
[[ $skipmissing ]] || return 0
@@ -134,18 +143,18 @@ unset moddir
## final stuff that has to happen
# generate module dependencies for the initrd
-/sbin/depmod -a -b "$initdir" $kernel || {
+if ! /sbin/depmod -a -b "$initdir" $kernel; then
echo "\"/sbin/depmod -a $kernel\" failed."
exit 1
-}
+fi
# make sure that library links are correct and up to date
ldconfig -n -r "$initdir" /lib* /usr/lib*
-[[ $include_src && $include_target ]] && {
+if [[ $include_src && $include_target ]]; then
mkdir -p "$initdir$include_target"
cp -a -t "$initdir$include_target" "$include_src"/*
-}
+fi
[[ "$beverbose" = "yes" ]] && (du -c "$initdir" | sort -n)
--
1.6.0.4
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