t0021/rot13-filter: add capability functions

diff --git a/revision.h b/revision.h
index bc18487d6fff5e86dff60748c084995a77d2b588..54761200adf2d5111b8aba097299bd2fd080a949 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -96,6 +96,7 @@ struct rev_info {
                        topo_order:1,
                        simplify_merges:1,
                        simplify_by_decoration:1,
+                       single_worktree:1,
                        tag_objects:1,
                        tree_objects:1,
                        blob_objects:1,
@@ -149,6 +150,17 @@ struct rev_info {
                        date_mode_explicit:1,
                        preserve_subject:1;
        unsigned int    disable_stdin:1;
+       /*
+        * Set `leak_pending` to prevent `prepare_revision_walk()` from clearing
+        * the array of pending objects (`pending`). It will still forget about
+        * the array and its entries, so they really are leaked. This can be
+        * useful if the `struct object_array` `pending` is copied before
+        * calling `prepare_revision_walk()`. By setting `leak_pending`, you
+        * effectively claim ownership of the old array, so you should most
+        * likely call `object_array_clear(&pending_copy)` once you are done.
+        * Observe that this is about ownership of the array and its entries,
+        * not the commits referenced by those entries.
+        */
        unsigned int    leak_pending:1;
        /* --show-linear-break */
        unsigned int    track_linear:1,