[Libguestfs] [PATCH nbdkit v2 2/3] sh: Pass export name as an extra parameter to the open method.

[Richard W.M. Jones]

In nbdkit API v3 we will probably add the export name as an extra
parameter, but while we are using API v2 we can get the same effect by
calling nbdkit_export_name().
---
 plugins/sh/nbdkit-sh-plugin.pod | 6 ++++--
 plugins/sh/sh.c                 | 6 +++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/plugins/sh/nbdkit-sh-plugin.pod b/plugins/sh/nbdkit-sh-plugin.pod
index 5789908..a088838 100644
--- a/plugins/sh/nbdkit-sh-plugin.pod
+++ b/plugins/sh/nbdkit-sh-plugin.pod
@@ -237,9 +237,11 @@ with status C<1>; unrecognized output is ignored.
 
 =item C<open>
 
- /path/to/script open <readonly>
+ /path/to/script open <readonly> <exportname>
 
-The C<readonly> parameter will be C<true> or C<false>.
+The C<readonly> parameter will be C<true> or C<false>.  The
+C<exportname> parameter, if present, is the export name passed to the
+server from the client.
 
 On success this should print the handle (any string) on stdout and
 exit with code C<0>.  If the handle ends with a newline character then
diff --git a/plugins/sh/sh.c b/plugins/sh/sh.c
index e0d370d..56d30ca 100644
--- a/plugins/sh/sh.c
+++ b/plugins/sh/sh.c
@@ -324,7 +324,11 @@ sh_open (int readonly)
 {
   char *h = NULL;
   size_t hlen;
-  const char *args[] = { script, "open", readonly ? "true" : "false", NULL };
+  const char *args[] =
+    { script, "open",
+      readonly ? "true" : "false",
+      nbdkit_export_name () ? : "",
+      NULL };
 
   /* We store the string returned by open in the handle. */
   switch (call_read (&h, &hlen, args)) {
-- 
2.23.0