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Merge branch 'jh/partial-clone'

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The machinery to clone & fetch, which in turn involves packing and
unpacking objects, have been told how to omit certain objects using
the filtering mechanism introduced by the jh/object-filtering
topic, and also mark the resulting pack as a promisor pack to
tolerate missing objects, taking advantage of the mechanism
introduced by the jh/fsck-promisors topic.

* jh/partial-clone:
  t5616: test bulk prefetch after partial fetch
  fetch: inherit filter-spec from partial clone
  t5616: end-to-end tests for partial clone
  fetch-pack: restore save_commit_buffer after use
  unpack-trees: batch fetching of missing blobs
  clone: partial clone
  partial-clone: define partial clone settings in config
  fetch: support filters
  fetch: refactor calculation of remote list
  fetch-pack: test support excluding large blobs
  fetch-pack: add --no-filter
  fetch-pack, index-pack, transport: partial clone
  upload-pack: add object filtering for partial clone
This commit is contained in:
Junio C Hamano
2018-02-13 13:39:04 -08:00
parent f3d618d2bf 3aa6694fb3
commit 6bed209a20
26 changed files with 657 additions and 30 deletions
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22
unpack-trees.c
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@ -15,6 +15,7 @@
#include "submodule.h"
#include "submodule-config.h"
#include "fsmonitor.h"
#include "fetch-object.h"
/*
* Error messages expected by scripts out of plumbing commands such as
@ -370,6 +371,27 @@ static int check_updates(struct unpack_trees_options *o)
load_gitmodules_file(index, &state);
enable_delayed_checkout(&state);
if (repository_format_partial_clone && o->update && !o->dry_run) {
/*
* Prefetch the objects that are to be checked out in the loop
* below.
*/
struct oid_array to_fetch = OID_ARRAY_INIT;
int fetch_if_missing_store = fetch_if_missing;
fetch_if_missing = 0;
for (i = 0; i < index->cache_nr; i++) {
struct cache_entry *ce = index->cache[i];
if ((ce->ce_flags & CE_UPDATE) &&
!S_ISGITLINK(ce->ce_mode)) {
if (!has_object_file(&ce->oid))
oid_array_append(&to_fetch, &ce->oid);
}
}
if (to_fetch.nr)
fetch_objects(repository_format_partial_clone,
&to_fetch);
fetch_if_missing = fetch_if_missing_store;
}
for (i = 0; i < index->cache_nr; i++) {
struct cache_entry *ce = index->cache[i];