Enabling h5repack to support onion VFD (#1788)

* Enable h5repack to support onion VFD.  The input file can take options for onion VFD.  But output file doesn't.

* Committing clang-format changes

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/tools/src/h5repack/h5repack_main.c b/tools/src/h5repack/h5repack_main.c
index a805b3d..0d3bc9a 100644
--- a/tools/src/h5repack/h5repack_main.c
+++ b/tools/src/h5repack/h5repack_main.c
@@ -76,6 +76,17 @@ static struct h5_long_options l_opts[] = {{"alignment", require_arg, 'a'},
                                           {"dst-vfd-info", require_arg, 'Z'},
                                           {NULL, 0, '\0'}};
 
+static H5FD_onion_fapl_info_t onion_fa_in_g = {
+    H5FD_ONION_FAPL_INFO_VERSION_CURR,
+    H5P_DEFAULT,                   /* backing_fapl_id                */
+    32,                            /* page_size                      */
+    H5FD_ONION_STORE_TARGET_ONION, /* store_target                   */
+    H5FD_ONION_FAPL_INFO_REVISION_ID_LATEST,
+    0,            /* force_write_open               */
+    0,            /* creation_flags                 */
+    "input file", /* comment                        */
+};
+
 /*-------------------------------------------------------------------------
  * Function: usage
  *
@@ -875,6 +886,23 @@ parse_command_line(int argc, const char *const *argv, pack_opt_t *options)
         ret_value = -1;
     }
 
+    /* If the input file uses the onion VFD, get the revision number */
+    if (in_vfd_info.u.name && !HDstrcmp(in_vfd_info.u.name, "onion")) {
+        if (in_vfd_info.info) {
+            errno                      = 0;
+            onion_fa_in_g.revision_num = HDstrtoull(in_vfd_info.info, NULL, 10);
+            if (errno == ERANGE) {
+                HDprintf("Invalid onion revision specified for the input file\n");
+                usage(h5tools_getprogname());
+                exit(EXIT_FAILURE);
+            }
+        }
+        else
+            onion_fa_in_g.revision_num = 0;
+
+        in_vfd_info.info = &onion_fa_in_g;
+    }
+
     /* Setup FAPL for input and output file accesses */
     if (custom_in_vol || custom_in_vfd) {
         if ((tmp_fapl = h5tools_get_fapl(options->fin_fapl, custom_in_vol ? &in_vol_info : NULL,