Add local and chroot backends.

[matthijs/upstream/backupninja.git] / lib / backends / chroot.in

diff --git a/lib/backends/chroot.in b/lib/backends/chroot.in
new file mode 100644 (file)
index 0000000..b0c5cfa
--- /dev/null
+++ b/lib/backends/chroot.in
@@ -0,0 +1,42 @@
+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
+# vim: set filetype=sh sw=3 sts=3 expandtab autoindent:
+
+getconf CHROOT "`which chroot`"
+
+function backend_chroot_init () {
+       # Is the changeroot command available?
+    [ -x "$CHROOT" ]
+}
+
+function backend_chroot_host_available () {
+   if [ -d "$1" ]; then
+      # The root exists and is a directory, everything ok
+      return 0
+   else
+      if [ ! -e "$1" ]; then
+         # The root does not exist?
+         eval "$2=\"No such file or directory: '\$1'\""
+      else
+         # The root exists, so is not a directory
+         eval "$2=\"Not a directory: '\$1'\""
+      fi
+      return 1
+   fi
+}
+
+function backend_chroot_host_root () {
+   # The host part is the root, but strip any trailing slashes
+   echo "$1" | sed 's/\/*$//'
+}
+
+function backend_chroot_run () {
+   # Run the command using the chroot command
+   "$CHROOT" "$root" "$@"
+}
+
+function backend_chroot_interpolate_vars () {
+   echo ""
+}
+
+function backend_chroot_interpolate_value () {
+}