X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=resize%2Fresize.ml;h=8ee6faa64ccf0d9b1ff02f34b2154b9bba3f62d4;hb=1509da88b81b98f32b9e8d1ac126e76819169bc9;hp=d4455eb2341635eb85f5e69f42746be6edf9a2fc;hpb=f2d816573ffba9c5a2022ac5b3b6514eaf02d0f7;p=libguestfs.git

diff --git a/resize/resize.ml b/resize/resize.ml
index d4455eb..8ee6faa 100644
--- a/resize/resize.ml
+++ b/resize/resize.ml
@@ -57,6 +57,7 @@ let infile, outfile, copy_boot_loader, debug, deletes, dryrun,
   let format = ref "" in
   let ignores = ref [] in
   let lv_expands = ref [] in
+  let machine_readable = ref false in
   let ntfsresize_force = ref false in
   let output_format = ref "" in
   let quiet = ref false in
@@ -83,6 +84,7 @@ let infile, outfile, copy_boot_loader, debug, deletes, dryrun,
     "--LV-expand", Arg.String (add lv_expands), "lv -\"-";
     "--lvexpand", Arg.String (add lv_expands), "lv -\"-";
     "--LVexpand", Arg.String (add lv_expands), "lv -\"-";
+    "--machine-readable", Arg.Set machine_readable, " Make output machine readable";
     "-n",        Arg.Set dryrun,            " Don't perform changes";
     "--dryrun",  Arg.Set dryrun,            " -\"-";
     "--dry-run", Arg.Set dryrun,            " -\"-";
@@ -125,6 +127,7 @@ read the man page virt-resize(1).
   let format = match !format with "" -> None | str -> Some str in
   let ignores = List.rev !ignores in
   let lv_expands = List.rev !lv_expands in
+  let machine_readable = !machine_readable in
   let ntfsresize_force = !ntfsresize_force in
   let output_format = match !output_format with "" -> None | str -> Some str in
   let quiet = !quiet in
@@ -132,6 +135,25 @@ read the man page virt-resize(1).
   let resizes_force = List.rev !resizes_force in
   let shrink = match !shrink with "" -> None | str -> Some str in
 
+  (* No arguments and machine-readable mode?  Print out some facts
+   * about what this binary supports.  We only need to print out new
+   * things added since this option, or things which depend on features
+   * of the appliance.
+   *)
+  if !disks = [] && machine_readable then (
+    printf "virt-resize\n";
+    printf "ntfsresize-force\n";
+    printf "32bitok\n";
+    let g = new G.guestfs () in
+    g#add_drive_opts "/dev/null";
+    g#launch ();
+    if feature_available g [| "ntfsprogs"; "ntfs3g" |] then
+      printf "ntfs\n";
+    if feature_available g [| "btrfs" |] then
+      printf "btrfs\n";
+    exit 0
+  );
+
   (* Verify we got exactly 2 disks. *)
   let infile, outfile =
     match List.rev !disks with