Signed-off-by: Teng Long <dyroneteng@xxxxxxxxx> --- Documentation/technical/packfile-uri.txt | 32 ++++++++++++++++-------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/Documentation/technical/packfile-uri.txt b/Documentation/technical/packfile-uri.txt index f7eabc6c76..c3e4873956 100644 --- a/Documentation/technical/packfile-uri.txt +++ b/Documentation/technical/packfile-uri.txt @@ -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 -- 2.31.1.449.gb2aa5456a8.dirty