@@ -35,13 +35,26 @@ include some sort of non-trivial implementation in the Minimum Viable Product,
at least so that we can test the client.
This is the implementation: a feature, marked experimental, that allows the
-server to be configured by one or more `uploadpack.blobPackfileUri=<sha1>
-<uri>` entries. Whenever the list of objects to be sent is assembled, all such
-blobs are excluded, replaced with URIs. As noted in "Future work" below, the
-server can evolve in the future to support excluding other objects (or other
-implementations of servers could be made that support excluding other objects)
-without needing a protocol change, so clients should not expect that packfiles
-downloaded in this way only contain single blobs.
+server to be configured by one or more entries with the format:
+
+ uploadpack.excludeobject=<object-hash> <pack-hash> <uri>
+
+Value <object-hash> is the key of entry, and the object type can be a blob,
+tree, or commit. The exclusion of tree and commit is recursive by default,
+which means that when a tree or commit object is excluded, the object itself
+and all reachable objects of the object will be excluded recursively. Whenever
+the list of objects to be sent is assembled, all such objects are excluded,
+replaced with URIs.
+
+Configuration compatibility
+-------------
+
+The old configuration of packfile-uri:
+
+ `uploadpack.blobPackfileUri=<object-hash> <pack-hash> <uri>`
+
+For the old configuration is compatible with the new one, but it only
+supports the exclusion of blob objects.
Client design
-------------
@@ -65,9 +78,6 @@ The protocol design allows some evolution of the server and client without any
need for protocol changes, so only a small-scoped design is included here to
form the MVP. For example, the following can be done:
- * On the server, more sophisticated means of excluding objects (e.g. by
- specifying a commit to represent that commit and all objects that it
- references).
* On the client, resumption of clone. If a clone is interrupted, information
could be recorded in the repository's config and a "clone-resume" command
can resume the clone in progress. (Resumption of subsequent fetches is more
@@ -78,4 +88,4 @@ There are some possible features that will require a change in protocol:
* Additional HTTP headers (e.g. authentication)
* Byte range support
- * Different file formats referenced by URIs (e.g. raw object)
+ * Different file formats referenced by URIs (e.g. raw object)
\ No newline at end of file
Signed-off-by: Teng Long <dyroneteng@gmail.com> --- Documentation/technical/packfile-uri.txt | 32 ++++++++++++++++-------- 1 file changed, 21 insertions(+), 11 deletions(-)