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Merge branch 'nd/untracked-cache'

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Teach the index to optionally remember already seen untracked files
to speed up "git status" in a working tree with tons of cruft.

* nd/untracked-cache: (24 commits)
  git-status.txt: advertisement for untracked cache
  untracked cache: guard and disable on system changes
  mingw32: add uname()
  t7063: tests for untracked cache
  update-index: test the system before enabling untracked cache
  update-index: manually enable or disable untracked cache
  status: enable untracked cache
  untracked-cache: temporarily disable with $GIT_DISABLE_UNTRACKED_CACHE
  untracked cache: mark index dirty if untracked cache is updated
  untracked cache: print stats with $GIT_TRACE_UNTRACKED_STATS
  untracked cache: avoid racy timestamps
  read-cache.c: split racy stat test to a separate function
  untracked cache: invalidate at index addition or removal
  untracked cache: load from UNTR index extension
  untracked cache: save to an index extension
  ewah: add convenient wrapper ewah_serialize_strbuf()
  untracked cache: don't open non-existent .gitignore
  untracked cache: mark what dirs should be recursed/saved
  untracked cache: record/validate dir mtime and reuse cached output
  untracked cache: make a wrapper around {open,read,close}dir()
  ...
This commit is contained in:
Junio C Hamano
2015-05-26 13:24:45 -07:00
parent a26d48a46e aeb6f8b3a2
commit 38ccaf93bb
21 changed files with 1823 additions and 59 deletions
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6
cache.h
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@ -297,8 +297,11 @@ static inline unsigned int canon_mode(unsigned int mode)
#define RESOLVE_UNDO_CHANGED (1 << 4)
#define CACHE_TREE_CHANGED (1 << 5)
#define SPLIT_INDEX_ORDERED (1 << 6)
#define UNTRACKED_CHANGED (1 << 7)
struct split_index;
struct untracked_cache;
struct index_state {
struct cache_entry **cache;
unsigned int version;
@ -312,6 +315,7 @@ struct index_state {
struct hashmap name_hash;
struct hashmap dir_hash;
unsigned char sha1[20];
struct untracked_cache *untracked;
};
extern struct index_state the_index;
@ -563,6 +567,8 @@ extern void fill_stat_data(struct stat_data *sd, struct stat *st);
* INODE_CHANGED, and DATA_CHANGED.
*/
extern int match_stat_data(const struct stat_data *sd, struct stat *st);
extern int match_stat_data_racy(const struct index_state *istate,
const struct stat_data *sd, struct stat *st);
extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);