LIB_H += remote.h
LIB_H += revision.h
LIB_H += run-command.h
+LIB_H += sha1-lookup.h
LIB_H += sideband.h
LIB_H += strbuf.h
LIB_H += tag.h
LIB_OBJS += mailmap.o
LIB_OBJS += match-trees.o
LIB_OBJS += merge-file.o
+ LIB_OBJS += name-hash.o
LIB_OBJS += object.o
LIB_OBJS += pack-check.o
LIB_OBJS += pack-revindex.o
LIB_OBJS += server-info.o
LIB_OBJS += setup.o
LIB_OBJS += sha1_file.o
+LIB_OBJS += sha1-lookup.o
LIB_OBJS += sha1_name.o
LIB_OBJS += shallow.o
LIB_OBJS += sideband.o
#define CE_UPDATE (0x10000)
#define CE_REMOVE (0x20000)
#define CE_UPTODATE (0x40000)
+ #define CE_ADDED (0x80000)
#define CE_HASHED (0x100000)
#define CE_UNHASHED (0x200000)
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)
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)
#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 {
extern char *get_graft_file(void);
extern int set_git_dir(const char *path);
extern const char *get_git_work_tree(void);
+extern const char *read_gitfile_gently(const char *path);
#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
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 */
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;
int git_mkstemp(char *path, size_t n, const char *template);
+/*
+ * NOTE NOTE NOTE!!
+ *
+ * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must
+ * not be changed. Old repositories have core.sharedrepository written in
+ * numeric format, and therefore these values are preserved for compatibility
+ * reasons.
+ */
enum sharedrepo {
- PERM_UMASK = 0,
- PERM_GROUP,
- PERM_EVERYBODY
+ PERM_UMASK = 0,
+ OLD_PERM_GROUP = 1,
+ OLD_PERM_EVERYBODY = 2,
+ PERM_GROUP = 0660,
+ PERM_EVERYBODY = 0664,
};
int git_config_perm(const char *var, const char *value);
int adjust_shared_perm(const char *path);
struct ref *next;
unsigned char old_sha1[20];
unsigned char new_sha1[20];
+ char *symref;
unsigned int force:1,
merge:1,
nonfastforward:1,
extern int git_parse_ulong(const char *, unsigned long *);
extern int git_config_int(const char *, const char *);
extern unsigned long git_config_ulong(const char *, const char *);
+extern int git_config_bool_or_int(const char *, const char *, int *);
extern int git_config_bool(const char *, const char *);
extern int git_config_string(const char **, const char *, const char *);
extern int git_config_set(const char *, const char *);
extern void maybe_flush_or_die(FILE *, const char *);
extern int copy_fd(int ifd, int ofd);
extern int copy_file(const char *dst, const char *src, int mode);
-extern int read_in_full(int fd, void *buf, size_t count);
-extern int write_in_full(int fd, const void *buf, size_t count);
+extern ssize_t read_in_full(int fd, void *buf, size_t count);
+extern ssize_t write_in_full(int fd, const void *buf, size_t count);
extern void write_or_die(int fd, const void *buf, size_t count);
extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
return ret;
}
-int git_config_bool(const char *name, const char *value)
+int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
{
+ *is_bool = 1;
if (!value)
return 1;
if (!*value)
return 1;
if (!strcasecmp(value, "false") || !strcasecmp(value, "no"))
return 0;
- return git_config_int(name, value) != 0;
+ *is_bool = 0;
+ return git_config_int(name, value);
+}
+
+int git_config_bool(const char *name, const char *value)
+{
+ int discard;
+ return !!git_config_bool_or_int(name, value, &discard);
}
int git_config_string(const char **dest, const char *var, const char *value)
return 0;
}
+ if (!strcmp(var, "core.ignorecase")) {
+ ignore_case = git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "core.bare")) {
is_bare_repository_cfg = git_config_bool(var, value);
return 0;
return prefix;
}
+static inline int special_char(unsigned char c1)
+{
+ return !c1 || c1 == '*' || c1 == '[' || c1 == '?';
+}
+
/*
* Does 'match' matches the given name?
* A match is found if
int matchlen;
/* If the match was just the prefix, we matched */
- matchlen = strlen(match);
- if (!matchlen)
+ if (!*match)
return MATCHED_RECURSIVELY;
+ for (;;) {
+ unsigned char c1 = *match;
+ unsigned char c2 = *name;
+ if (special_char(c1))
+ break;
+ if (c1 != c2)
+ return 0;
+ match++;
+ name++;
+ namelen--;
+ }
+
+
/*
* If we don't match the matchstring exactly,
* we need to match by fnmatch
*/
+ matchlen = strlen(match);
if (strncmp(match, name, matchlen))
return !fnmatch(match, name, 0) ? MATCHED_FNMATCH : 0;
- if (!name[matchlen])
+ if (namelen == matchlen)
return MATCHED_EXACTLY;
if (match[matchlen-1] == '/' || name[matchlen] == '/')
return MATCHED_RECURSIVELY;
struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len)
{
- if (cache_name_exists(pathname, len))
+ if (cache_name_exists(pathname, len, ignore_case))
return NULL;
ALLOC_GROW(dir->entries, dir->nr+1, dir->alloc);
int trust_executable_bit = 1;
int quote_path_fully = 1;
int has_symlinks = 1;
+ int ignore_case;
int assume_unchanged;
int prefer_symlink_refs;
int is_bare_repository_cfg = -1; /* unspecified */
static void setup_git_env(void)
{
git_dir = getenv(GIT_DIR_ENVIRONMENT);
+ if (!git_dir)
+ git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
if (!git_dir)
git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
git_object_dir = getenv(DB_ENVIRONMENT);
struct index_state the_index;
- static unsigned int hash_name(const char *name, int namelen)
- {
- unsigned int hash = 0x123;
-
- do {
- unsigned char c = *name++;
- hash = hash*101 + c;
- } while (--namelen);
- return hash;
- }
-
- static void hash_index_entry(struct index_state *istate, struct cache_entry *ce)
- {
- void **pos;
- unsigned int hash;
-
- if (ce->ce_flags & CE_HASHED)
- return;
- ce->ce_flags |= CE_HASHED;
- ce->next = NULL;
- hash = hash_name(ce->name, ce_namelen(ce));
- pos = insert_hash(hash, ce, &istate->name_hash);
- if (pos) {
- ce->next = *pos;
- *pos = ce;
- }
- }
-
- static void lazy_init_name_hash(struct index_state *istate)
- {
- int nr;
-
- if (istate->name_hash_initialized)
- return;
- for (nr = 0; nr < istate->cache_nr; nr++)
- hash_index_entry(istate, istate->cache[nr]);
- istate->name_hash_initialized = 1;
- }
-
static void set_index_entry(struct index_state *istate, int nr, struct cache_entry *ce)
{
- ce->ce_flags &= ~CE_UNHASHED;
istate->cache[nr] = ce;
- if (istate->name_hash_initialized)
- hash_index_entry(istate, ce);
+ add_name_hash(istate, ce);
}
static void replace_index_entry(struct index_state *istate, int nr, struct cache_entry *ce)
{
struct cache_entry *old = istate->cache[nr];
- remove_index_entry(old);
+ remove_name_hash(old);
set_index_entry(istate, nr, ce);
istate->cache_changed = 1;
}
- int index_name_exists(struct index_state *istate, const char *name, int namelen)
- {
- unsigned int hash = hash_name(name, namelen);
- struct cache_entry *ce;
-
- lazy_init_name_hash(istate);
- ce = lookup_hash(hash, &istate->name_hash);
-
- while (ce) {
- if (!(ce->ce_flags & CE_UNHASHED)) {
- if (!cache_name_compare(name, namelen, ce->name, ce->ce_flags))
- return 1;
- }
- ce = ce->next;
- }
- return 0;
- }
-
/*
* This only updates the "non-critical" parts of the directory
* cache, ie the parts that aren't tracked by GIT, and only used
{
struct cache_entry *ce = istate->cache[pos];
- remove_index_entry(ce);
+ remove_name_hash(ce);
istate->cache_changed = 1;
istate->cache_nr--;
if (pos >= istate->cache_nr)
return pos;
}
+ static int different_name(struct cache_entry *ce, struct cache_entry *alias)
+ {
+ int len = ce_namelen(ce);
+ return ce_namelen(alias) != len || memcmp(ce->name, alias->name, len);
+ }
+
+ /*
+ * If we add a filename that aliases in the cache, we will use the
+ * name that we already have - but we don't want to update the same
+ * alias twice, because that implies that there were actually two
+ * different files with aliasing names!
+ *
+ * So we use the CE_ADDED flag to verify that the alias was an old
+ * one before we accept it as
+ */
+ static struct cache_entry *create_alias_ce(struct cache_entry *ce, struct cache_entry *alias)
+ {
+ int len;
+ struct cache_entry *new;
+
+ if (alias->ce_flags & CE_ADDED)
+ die("Will not add file alias '%s' ('%s' already exists in index)", ce->name, alias->name);
+
+ /* Ok, create the new entry using the name of the existing alias */
+ len = ce_namelen(alias);
+ new = xcalloc(1, cache_entry_size(len));
+ memcpy(new->name, alias->name, len);
+ copy_cache_entry(new, ce);
+ free(ce);
+ return new;
+ }
+
int add_file_to_index(struct index_state *istate, const char *path, int verbose)
{
- int size, namelen, pos;
+ int size, namelen;
struct stat st;
- struct cache_entry *ce;
+ struct cache_entry *ce, *alias;
unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY;
if (lstat(path, &st))
ce->ce_mode = ce_mode_from_stat(ent, st.st_mode);
}
- pos = index_name_pos(istate, ce->name, namelen);
- if (0 <= pos &&
- !ce_stage(istate->cache[pos]) &&
- !ie_match_stat(istate, istate->cache[pos], &st, ce_option)) {
+ alias = index_name_exists(istate, ce->name, ce_namelen(ce), ignore_case);
+ if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, &st, ce_option)) {
/* Nothing changed, really */
free(ce);
- ce_mark_uptodate(istate->cache[pos]);
+ ce_mark_uptodate(alias);
+ alias->ce_flags |= CE_ADDED;
return 0;
}
-
if (index_path(ce->sha1, path, &st, 1))
die("unable to index file %s", path);
+ if (ignore_case && alias && different_name(ce, alias))
+ ce = create_alias_ce(ce, alias);
+ ce->ce_flags |= CE_ADDED;
if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE))
die("unable to add %s to index",path);
if (verbose)
struct cache_entry *ce = cache[i];
if (ce->ce_flags & CE_REMOVE)
continue;
- if (is_racy_timestamp(istate, ce))
+ if (!ce_uptodate(ce) && is_racy_timestamp(istate, ce))
ce_smudge_racily_clean_entry(ce);
if (ce_write_entry(&c, newfd, ce) < 0)
return -1;