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-rw-r--r--Documentation/glossary.txt12
-rw-r--r--Documentation/repository-layout.txt8
2 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/glossary.txt b/Documentation/glossary.txt
index bc917bbac..d20eb6270 100644
--- a/Documentation/glossary.txt
+++ b/Documentation/glossary.txt
@@ -286,6 +286,18 @@ 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
diff --git a/Documentation/repository-layout.txt b/Documentation/repository-layout.txt
index 7c8c14141..f9370d25b 100644
--- a/Documentation/repository-layout.txt
+++ b/Documentation/repository-layout.txt
@@ -18,6 +18,8 @@ could have only commit objects without associated blobs and
trees this way, for example. A repository with this kind of
incomplete object store is not suitable to be published to the
outside world but sometimes useful for private repository.
+. You also could have an incomplete but locally usable repository
+by cloning shallowly. See gitlink:git-clone[1].
. You can be using `objects/info/alternates` mechanism, or
`$GIT_ALTERNATE_OBJECT_DIRECTORIES` mechanism to 'borrow'
objects from other object stores. A repository with this kind
@@ -162,3 +164,9 @@ logs/refs/heads/`name`::
logs/refs/tags/`name`::
Records all changes made to the tag named `name`.
+
+shallow::
+ This is similar to `info/grafts` but is internally used
+ and maintained by shallow clone mechanism. See `--depth`
+ option to gitlink:git-clone[1] and gitlink:git-fetch[1].
+