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Merge branch 'ds/sparse-sparse-checkout'

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"sparse-checkout" learns to work well with the sparse-index
feature.

* ds/sparse-sparse-checkout:
  sparse-checkout: integrate with sparse index
  p2000: add test for 'git sparse-checkout [add|set]'
  sparse-index: complete partial expansion
  sparse-index: partially expand directories
  sparse-checkout: --no-sparse-index needs a full index
  cache-tree: implement cache_tree_find_path()
  sparse-index: introduce partially-sparse indexes
  sparse-index: create expand_index()
  t1092: stress test 'git sparse-checkout set'
  t1092: refactor 'sparse-index contents' test
This commit is contained in:
Junio C Hamano
2022-06-03 14:30:35 -07:00
parent 091680472d 598b1e7d09
commit c276c21da6
10 changed files with 279 additions and 50 deletions
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27
cache-tree.c
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@ -101,6 +101,33 @@ struct cache_tree_sub *cache_tree_sub(struct cache_tree *it, const char *path)
return find_subtree(it, path, pathlen, 1);
}
struct cache_tree *cache_tree_find_path(struct cache_tree *it, const char *path)
{
const char *slash;
int namelen;
struct cache_tree_sub it_sub = {
.cache_tree = it,
};
struct cache_tree_sub *down = &it_sub;
while (down) {
slash = strchrnul(path, '/');
namelen = slash - path;
down->cache_tree->entry_count = -1;
if (!*slash) {
int pos;
pos = cache_tree_subtree_pos(down->cache_tree, path, namelen);
if (0 <= pos)
return down->cache_tree->down[pos]->cache_tree;
return NULL;
}
down = find_subtree(it, path, namelen, 0);
path = slash + 1;
}
return NULL;
}
static int do_invalidate_path(struct cache_tree *it, const char *path)
{
/* a/b/c