This adds support for two new options (-E/-O) which complement the
existing -e/-o options by providing negative versions of them. For example,
while -e VAR means "only do stuff when VAR is set to y", -E var means "only do
stuff when VAR is not set to y". This is useful when you want to install a
configuration file or make a configuration file tweak when a conflicting
option is not defined by the user.
This patch may not apply cleanly without the -M patch, but that's only because
they touch pieces of code close to each other ... they don't actually rely on
each other.
Signed-off-by: Mike Frysinger <[EMAIL PROTECTED]>
---
--- romfs-inst.sh (revision 5999)
+++ romfs-inst.sh (revision 6000)
@@ -16,7 +16,9 @@ cat << !EOF >&2
$0: [options] [src] dst
-v : output actions performed.
-e env-var : only take action if env-var is set to "y".
+ -E env-var : only take action if env-var is not set to "y".
-o option : only take action if option is set to "y".
+ -O option : only take action if option is not set to "y".
-p perms : chmod style permissions for dst.
-d : make dst directory if it doesn't exist
-S : don't strip after installing
@@ -143,6 +145,7 @@ fi
v=
option=y
+noption=
pattern=
perm=
func=file_copy
@@ -152,7 +155,7 @@ dst=
strip=1
kernmod=
-while getopts 'dSMve:o:A:p:a:l:s:' opt "$@"
+while getopts 'dSMve:E:o:O:A:p:a:l:s:' opt "$@"
do
case "$opt" in
v) v="1"; ;;
@@ -160,7 +163,9 @@ do
S) strip=; ;;
M) kernmod="1"; ;;
o) option="$OPTARG"; ;;
+ O) noption="$OPTARG"; ;;
e) eval option=\"\$$OPTARG\"; ;;
+ E) eval noption=\"\$$OPTARG\"; ;;
p) perm="$OPTARG"; ;;
a) src="$OPTARG"; func=file_append; ;;
A) pattern="$OPTARG"; ;;
@@ -180,6 +185,18 @@ do
exit 0
;;
esac
+
+#
+# process negative options here to get an ANDing effect
+#
+ case "${noption:-n}" in
+ *[nN]*) # this gives OR effect, ie., yNy
+ ;;
+ *)
+ [ "$v" ] && echo "Condition not satisfied."
+ exit 0
+ ;;
+ esac
done
shift `expr $OPTIND - 1`
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