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Merge branch 'ds/commit-graph'

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Precompute and store information necessary for ancestry traversal
in a separate file to optimize graph walking.

* ds/commit-graph:
  commit-graph: implement "--append" option
  commit-graph: build graph from starting commits
  commit-graph: read only from specific pack-indexes
  commit: integrate commit graph with commit parsing
  commit-graph: close under reachability
  commit-graph: add core.commitGraph setting
  commit-graph: implement git commit-graph read
  commit-graph: implement git-commit-graph write
  commit-graph: implement write_commit_graph()
  commit-graph: create git-commit-graph builtin
  graph: add commit graph design document
  commit-graph: add format document
  csum-file: refactor finalize_hashfile() method
  csum-file: rename hashclose() to finalize_hashfile()
This commit is contained in:
Junio C Hamano
2018-05-08 15:59:20 +09:00
parent 4f4d0b42ba 7547b95b4f
commit b10edb2df5
30 changed files with 1587 additions and 21 deletions
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3
commit.c
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@ -1,6 +1,7 @@
#include "cache.h"
#include "tag.h"
#include "commit.h"
#include "commit-graph.h"
#include "pkt-line.h"
#include "utf8.h"
#include "diff.h"
@ -383,6 +384,8 @@ int parse_commit_gently(struct commit *item, int quiet_on_missing)
return -1;
if (item->object.parsed)
return 0;
if (parse_commit_in_graph(item))
return 0;
buffer = read_object_file(&item->object.oid, &type, &size);
if (!buffer)
return quiet_on_missing ? -1 :