nosnap

diff --git a/backup/Makefile b/backup/Makefile
index c4f0ae62e0cefd161cb12c535b767db6b15cb47a..77449a77a4857e2a2652a45311ce110247d90679 100644 (file)
--- a/backup/Makefile
+++ b/backup/Makefile
@@ -29,7 +29,7 @@ BINSCRIPTS=   checkallused loaded driver takedown whatsthis labeltape \
                snaprsync
 SHARESCRIPTS=  bringup full increm snap-drop
 SHAREFILES=    backuplib.pl snap-common
-SNAPKINDS=     lvm remount remountrocp
+SNAPKINDS=     lvm remount remountrocp nosnap
 
 EXAMPLES=      relativity chiark
 

diff --git a/backup/nosnap b/backup/nosnap
new file mode 100755 (executable)
index 0000000..c1f16dd
--- /dev/null
+++ b/backup/nosnap
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+set -e
+
+removes () {
+       rm -f -- "$vardir/snap-mount" "$vardir/snap-device"
+}
+
+vardir="$2"
+
+case "$#.$1" in
+2.drop)
+       removes
+       ;;
+4.snap)
+       removes
+       ln -s -- "$3" "$vardir/snap-device"
+       ln -s -- "$4" "$vardir/snap-mount"
+       ;;
+*)
+       cat >&2 <<'END'
+usage: .../nosnap snap VARDIR DEV MOUNT
+       .../nosnap drop VARDIR
+END
+       exit 1
+       ;;
+esac

diff --git a/debian/changelog b/debian/changelog
index 5872cbcae936bebdcf35fb77604fb3cd584c18a0..7ac8f1aa44ce6434561758648b44ae03303014b0 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+chiark-utils (4.1.13) unstable; urgency=low
+
+  * New `nosnap' no-op snap kind.
+
+ -- Ian Jackson <ian@davenant.greenend.org.uk>  Fri, 16 Feb 2007 19:10:23 +0000
+
 chiark-utils (4.1.12) unstable; urgency=low
 
   * New `watershed' program.