X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=Documentation%2Fglossary.txt;h=9f446241e2dabee4b93f5c1625351f2260e73717;hb=7891a2811dc7cae375e34c9f4fa6c8ecaef0f6d7;hp=bc917bbac3b21eff1baa70b24c689ff11f5a4323;hpb=1fcdd62adf81a172f45c7c6a58177212d500b9d9;p=git.git

diff --git a/Documentation/glossary.txt b/Documentation/glossary.txt
index bc917bbac..9f446241e 100644
--- a/Documentation/glossary.txt
+++ b/Documentation/glossary.txt
@@ -73,6 +73,11 @@ DAG::
 	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.
 
@@ -286,6 +291,18 @@ SCM::
 SHA1::
 	Synonym for object name.
 
+shallow repository::
+	A shallow repository has an incomplete history some of
+	whose commits have parents cauterized away (in other
+	words, git is told to pretend that these commits do not
+	have the parents, even though they are recorded in the
+	commit object).  This is sometimes useful when you are
+	interested only in the recent history of a project even
+	though the real history recorded in the upstream is
+	much larger.  A shallow repository is created by giving
+	`--depth` option to gitlink:git-clone[1], and its
+	history can be later deepened with gitlink:git-fetch[1].
+
 symref::
 	Symbolic reference: instead of containing the SHA1 id itself, it
 	is of the format 'ref: refs/some/thing' and when referenced, it
@@ -338,6 +355,10 @@ tag::
 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.