Allow qemu binary to be overridden at runtime.

[libguestfs.git] / guestfish-actions.pod

diff --git a/guestfish-actions.pod b/guestfish-actions.pod
index da4bbae..4403cb0 100644 (file)
--- a/guestfish-actions.pod
+++ b/guestfish-actions.pod
@@ -452,6 +452,15 @@ Return the current search path.
 This is always non-NULL.  If it wasn't set already, then this will
 return the default path.
 
+=head2 get-qemu
+
+ get-qemu
+
+Return the current qemu binary.
+
+This is always non-NULL.  If it wasn't set already, then this will
+return the default qemu binary name.
+
 =head2 get-state
 
  get-state
@@ -761,6 +770,23 @@ must make sure it remains valid for the lifetime of the handle.
 
 Setting C<path> to C<NULL> restores the default path.
 
+=head2 set-qemu | qemu
+
+ set-qemu qemu
+
+Set the qemu binary that we will use.
+
+The default is chosen when the library was compiled by the
+configure script.
+
+You can also override this by setting the C<LIBGUESTFS_QEMU>
+environment variable.
+
+The string C<qemu> is stashed in the libguestfs handle, so the caller
+must make sure it remains valid for the lifetime of the handle.
+
+Setting C<qemu> to C<NULL> restores the default qemu binary.
+
 =head2 set-verbose | verbose
 
  set-verbose true|false