Dixi quod…
>I’m attaching a first cut at my favourite solution. It’s missing
… this time with attachment…
bye,
//mirabilos
--
„Cool, /usr/share/doc/mksh/examples/uhr.gz ist ja ein Grund,
mksh auf jedem System zu installieren.“
-- XTaran auf der OpenRheinRuhr, ganz begeistert
(EN: “[…]uhr.gz is a reason to install mksh on every system.”)diff --git a/debian/checks/blkid b/debian/checks/blkid
index 5332ba35..0be466f1 100644
--- a/debian/checks/blkid
+++ b/debian/checks/blkid
@@ -17,7 +17,23 @@ dev="$1"
fs="$2"
offset="$3"
-blkid="$(/sbin/blkid -o value -s TYPE -p ${offset:+-O "$((offset*512))"} --
"$dev")"
+case x$offset in
+(x)
+ blkid_offset=
+ ;;
+(x*[!0-9]*)
+ echo " - Invalid 'offset' option: $offset"
+ exit 1
+ ;;
+(*)
+ blkid_offset="-O $(bc <<EOF
+$offset*512
+EOF
+)"
+ ;;
+esac
+
+blkid="$(/sbin/blkid -o value -s TYPE -p $blkid_offset -- "$dev")"
# blkid output is empty if $dev has an unknown filesystem
if [ -z "$blkid" ] && [ -z "$fs" ]; then
diff --git a/debian/checks/un_blkid b/debian/checks/un_blkid
index 037ae34f..07f47cc9 100644
--- a/debian/checks/un_blkid
+++ b/debian/checks/un_blkid
@@ -16,7 +16,23 @@ dev="$1"
fs="$2"
offset="$3"
-blkid="$(/sbin/blkid -o value -s TYPE -p ${offset:+-O "$((offset*512))"} --
"$dev")"
+case x$offset in
+(x)
+ blkid_offset=
+ ;;
+(x*[!0-9]*)
+ echo " - Invalid 'offset' option: $offset"
+ exit 1
+ ;;
+(*)
+ blkid_offset="-O $(bc <<EOF
+$offset*512
+EOF
+)"
+ ;;
+esac
+
+blkid="$(/sbin/blkid -o value -s TYPE -p $blkid_offset -- "$dev")"
# blkid output is empty if $dev has an unknown filesystem
if [ -n "$blkid" ] && [ -z "$fs" ]; then
diff --git a/debian/control b/debian/control
index 2dd3a497..1a8fbb14 100644
--- a/debian/control
+++ b/debian/control
@@ -39,6 +39,7 @@ Package: cryptsetup
Architecture: linux-any
Multi-Arch: foreign
Depends: cryptsetup-bin (>= 2:1.6.0),
+ bc,
dmsetup,
${misc:Depends},
${shlibs:Depends}
