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Merge branch 'lt/case-insensitive'

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* lt/case-insensitive:
  Make git-add behave more sensibly in a case-insensitive environment
  When adding files to the index, add support for case-independent matches
  Make unpack-tree update removed files before any updated files
  Make branch merging aware of underlying case-insensitive filsystems
  Add 'core.ignorecase' option
  Make hash_name_lookup able to do case-independent lookups
  Make "index_name_exists()" return the cache_entry it found
  Move name hashing functions into a file of its own
  Make unpack_trees_options bit flags actual bitfields
This commit is contained in:
Junio C Hamano
2008-05-10 18:14:28 -07:00
parent 1f8115b113 1102952b45
commit 380a742679
10 changed files with 241 additions and 105 deletions
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37
cache.h
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@ -133,6 +133,7 @@ struct cache_entry {
#define CE_UPDATE (0x10000)
#define CE_REMOVE (0x20000)
#define CE_UPTODATE (0x40000)
#define CE_ADDED (0x80000)
#define CE_HASHED (0x100000)
#define CE_UNHASHED (0x200000)
@ -153,20 +154,6 @@ static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry
dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state;
}
/*
* We don't actually *remove* it, we can just mark it invalid so that
* we won't find it in lookups.
*
* Not only would we have to search the lists (simple enough), but
* we'd also have to rehash other hash buckets in case this makes the
* hash bucket empty (common). So it's much better to just mark
* it.
*/
static inline void remove_index_entry(struct cache_entry *ce)
{
ce->ce_flags |= CE_UNHASHED;
}
static inline unsigned create_ce_flags(size_t len, unsigned stage)
{
if (len >= CE_NAMEMASK)
@ -241,6 +228,23 @@ struct index_state {
extern struct index_state the_index;
/* Name hashing */
extern void add_name_hash(struct index_state *istate, struct cache_entry *ce);
/*
* We don't actually *remove* it, we can just mark it invalid so that
* we won't find it in lookups.
*
* Not only would we have to search the lists (simple enough), but
* we'd also have to rehash other hash buckets in case this makes the
* hash bucket empty (common). So it's much better to just mark
* it.
*/
static inline void remove_name_hash(struct cache_entry *ce)
{
ce->ce_flags |= CE_UNHASHED;
}
#ifndef NO_THE_INDEX_COMPATIBILITY_MACROS
#define active_cache (the_index.cache)
#define active_nr (the_index.cache_nr)
@ -261,7 +265,7 @@ extern struct index_state the_index;
#define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL)
#define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options))
#define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options))
#define cache_name_exists(name, namelen) index_name_exists(&the_index, (name), (namelen))
#define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase))
#endif
enum object_type {
@ -351,7 +355,7 @@ extern int write_index(const struct index_state *, int newfd);
extern int discard_index(struct index_state *);
extern int unmerged_index(const struct index_state *);
extern int verify_path(const char *path);
extern int index_name_exists(struct index_state *istate, const char *name, int namelen);
extern struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int igncase);
extern int index_name_pos(const struct index_state *, const char *name, int namelen);
#define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */
#define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */
@ -405,6 +409,7 @@ extern int delete_ref(const char *, const unsigned char *sha1);
extern int trust_executable_bit;
extern int quote_path_fully;
extern int has_symlinks;
extern int ignore_case;
extern int assume_unchanged;
extern int prefer_symlink_refs;
extern int log_all_ref_updates;