glossary: Add definitions for dangling and unreachable objects
Define "dangling" and "unreachable" objects. Modified from original
text proposed by Yasushi Shoji.
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/Documentation/glossary.txt b/Documentation/glossary.txt
index d20eb62..9f44624 100644
--- a/Documentation/glossary.txt
+++ b/Documentation/glossary.txt
@@ -73,6 +73,11 @@
objects is acyclic (there is no chain which begins and ends with the
same object).
+dangling object::
+ An unreachable object which is not reachable even from other
+ unreachable objects; a dangling object has no references to it
+ from any reference or object in the repository.
+
dircache::
You are *waaaaay* behind.
@@ -350,6 +355,10 @@
unmerged index::
An index which contains unmerged index entries.
+unreachable object::
+ An object which is not reachable from a branch, tag, or any
+ other reference.
+
working tree::
The set of files and directories currently being worked on,
i.e. you can work in your working tree without using git at all.
