glossary: add reachability bitmap description
Describe the purpose of the reachability bitmap. Signed-off-by: Philip Oakley <philipoakley@iee.email> Signed-off-by: Taylor Blau <me@ttaylorr.com>
Philip Oakley committed
Oct 29, 2022 at 17:41 UTC
8fea12ab40aab3e0590a5980ce336437b5dcc694
1 file changed
+8
Documentation/glossary-content.txt
+8
@@ -508,6 +508,14 @@ exclude;;
508
<<def_tree_object,trees>> to the trees or <<def_blob_object,blobs>>
509
that they contain.
510
511
+[[def_reachability_bitmap]]reachability bitmaps::
512
+ Reachability bitmaps store information about the
513
+ <<def_reachable,reachability>> of a selected set of commits in
514
+ a packfile, or a multi-pack index (MIDX), to speed up object search.
515
+ The bitmaps are stored in a ".bitmap" file. A repository may have at
516
+ most one bitmap file in use. The bitmap file may belong to either one
517
+ pack, or the repository's multi-pack index (if it exists).
518
+
519
[[def_rebase]]rebase::
520
To reapply a series of changes from a <<def_branch,branch>> to a
521
different base, and reset the <<def_head,head>> of that branch