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Merge branch 'ds/sparse-index-protections'

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Builds on top of the sparse-index infrastructure to mark operations
that are not ready to mark with the sparse index, causing them to
fall back on fully-populated index that they always have worked with.

* ds/sparse-index-protections: (47 commits)
  name-hash: use expand_to_path()
  sparse-index: expand_to_path()
  name-hash: don't add directories to name_hash
  revision: ensure full index
  resolve-undo: ensure full index
  read-cache: ensure full index
  pathspec: ensure full index
  merge-recursive: ensure full index
  entry: ensure full index
  dir: ensure full index
  update-index: ensure full index
  stash: ensure full index
  rm: ensure full index
  merge-index: ensure full index
  ls-files: ensure full index
  grep: ensure full index
  fsck: ensure full index
  difftool: ensure full index
  commit: ensure full index
  checkout: ensure full index
  ...
This commit is contained in:
Junio C Hamano
2021-04-30 13:50:26 +09:00
parent d250f90359 4589bca829
commit 8e97852919
48 changed files with 1257 additions and 109 deletions
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11
name-hash.c
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@ -8,6 +8,7 @@
#include "cache.h"
#include "thread-utils.h"
#include "trace2.h"
#include "sparse-index.h"
struct dir_entry {
struct hashmap_entry ent;
@ -109,8 +110,11 @@ static void hash_index_entry(struct index_state *istate, struct cache_entry *ce)
if (ce->ce_flags & CE_HASHED)
return;
ce->ce_flags |= CE_HASHED;
hashmap_entry_init(&ce->ent, memihash(ce->name, ce_namelen(ce)));
hashmap_add(&istate->name_hash, &ce->ent);
if (!S_ISSPARSEDIR(ce->ce_mode)) {
hashmap_entry_init(&ce->ent, memihash(ce->name, ce_namelen(ce)));
hashmap_add(&istate->name_hash, &ce->ent);
}
if (ignore_case)
add_dir_entry(istate, ce);
@ -680,6 +684,7 @@ int index_dir_exists(struct index_state *istate, const char *name, int namelen)
struct dir_entry *dir;
lazy_init_name_hash(istate);
expand_to_path(istate, name, namelen, 0);
dir = find_dir_entry(istate, name, namelen);
return dir && dir->nr;
}
@ -690,6 +695,7 @@ void adjust_dirname_case(struct index_state *istate, char *name)
const char *ptr = startPtr;
lazy_init_name_hash(istate);
expand_to_path(istate, name, strlen(name), 0);
while (*ptr) {
while (*ptr && *ptr != '/')
ptr++;
@ -713,6 +719,7 @@ struct cache_entry *index_file_exists(struct index_state *istate, const char *na
unsigned int hash = memihash(name, namelen);
lazy_init_name_hash(istate);
expand_to_path(istate, name, namelen, icase);
ce = hashmap_get_entry_from_hash(&istate->name_hash, hash, NULL,
struct cache_entry, ent);