for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
- if (ce->ce_flags & htons(CE_UPDATE))
+ if (ce->ce_flags & CE_UPDATE)
continue;
if (!pathspec_match(pattern, m, ce->name, 0))
continue;
if (write_cache(fd, active_cache, active_nr) ||
close_lock_file(&false_lock))
die("unable to write temporary index file");
+
+ discard_cache();
+ read_cache_from(false_lock.filename);
+
return false_lock.filename;
}
#include "git-compat-util.h"
#include "strbuf.h"
+#include "hash.h"
#include SHA1_HEADER
#include <zlib.h>
* We save the fields in big-endian order to allow using the
* index file over NFS transparently.
*/
+struct ondisk_cache_entry {
+ struct cache_time ctime;
+ struct cache_time mtime;
+ unsigned int dev;
+ unsigned int ino;
+ unsigned int mode;
+ unsigned int uid;
+ unsigned int gid;
+ unsigned int size;
+ unsigned char sha1[20];
+ unsigned short flags;
+ char name[FLEX_ARRAY]; /* more */
+};
+
struct cache_entry {
- struct cache_time ce_ctime;
- struct cache_time ce_mtime;
+ struct cache_entry *next;
+ unsigned int ce_ctime;
+ unsigned int ce_mtime;
unsigned int ce_dev;
unsigned int ce_ino;
unsigned int ce_mode;
unsigned int ce_uid;
unsigned int ce_gid;
unsigned int ce_size;
+ unsigned int ce_flags;
unsigned char sha1[20];
- unsigned short ce_flags;
char name[FLEX_ARRAY]; /* more */
};
#define CE_NAMEMASK (0x0fff)
#define CE_STAGEMASK (0x3000)
-#define CE_UPDATE (0x4000)
#define CE_VALID (0x8000)
#define CE_STAGESHIFT 12
-#define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT))
-#define ce_namelen(ce) (CE_NAMEMASK & ntohs((ce)->ce_flags))
+/* In-memory only */
+#define CE_UPDATE (0x10000)
+#define CE_REMOVE (0x20000)
+#define CE_UPTODATE (0x40000)
+#define CE_UNHASHED (0x80000)
+
+static inline unsigned create_ce_flags(size_t len, unsigned stage)
+{
+ if (len >= CE_NAMEMASK)
+ len = CE_NAMEMASK;
+ return (len | (stage << CE_STAGESHIFT));
+}
+
+static inline size_t ce_namelen(const struct cache_entry *ce)
+{
+ size_t len = ce->ce_flags & CE_NAMEMASK;
+ if (len < CE_NAMEMASK)
+ return len;
+ return strlen(ce->name + CE_NAMEMASK) + CE_NAMEMASK;
+}
+
#define ce_size(ce) cache_entry_size(ce_namelen(ce))
-#define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT)
+#define ondisk_ce_size(ce) ondisk_cache_entry_size(ce_namelen(ce))
+#define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT)
+#define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE)
+#define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE)
#define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
static inline unsigned int create_ce_mode(unsigned int mode)
{
if (S_ISLNK(mode))
- return htonl(S_IFLNK);
+ return S_IFLNK;
if (S_ISDIR(mode) || S_ISGITLINK(mode))
- return htonl(S_IFGITLINK);
- return htonl(S_IFREG | ce_permissions(mode));
+ return S_IFGITLINK;
+ return S_IFREG | ce_permissions(mode);
}
static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode)
{
extern int trust_executable_bit, has_symlinks;
if (!has_symlinks && S_ISREG(mode) &&
- ce && S_ISLNK(ntohl(ce->ce_mode)))
+ ce && S_ISLNK(ce->ce_mode))
return ce->ce_mode;
if (!trust_executable_bit && S_ISREG(mode)) {
- if (ce && S_ISREG(ntohl(ce->ce_mode)))
+ if (ce && S_ISREG(ce->ce_mode))
return ce->ce_mode;
return create_ce_mode(0666);
}
S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFGITLINK)
#define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
+#define ondisk_cache_entry_size(len) ((offsetof(struct ondisk_cache_entry,name) + (len) + 8) & ~7)
struct index_state {
struct cache_entry **cache;
unsigned int cache_nr, cache_alloc, cache_changed;
struct cache_tree *cache_tree;
time_t timestamp;
- void *mmap;
- size_t mmap_size;
+ void *alloc;
+ unsigned name_hash_initialized : 1;
+ struct hash_table name_hash;
};
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))
#endif
enum object_type {
extern int write_index(struct index_state *, int newfd);
extern int discard_index(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 int index_name_pos(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 git_config_int(const char *, const char *);
extern unsigned long git_config_ulong(const char *, const char *);
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 int git_config_set_multivar(const char *, const char *, const char *, int);
extern int git_config_rename_section(const char *, const char *);
/* pager.c */
extern void setup_pager(void);
- extern char *pager_program;
+ extern const char *pager_program;
extern int pager_in_use(void);
extern int pager_use_color;
- extern char *editor_program;
- extern char *excludes_file;
+ extern const char *editor_program;
+ extern const char *excludes_file;
/* base85 */
int decode_85(char *dst, const char *line, int linelen);
return git_config_int(name, value) != 0;
}
+ int git_config_string(const char **dest, const char *var, const char *value)
+ {
+ if (!value)
+ return config_error_nonbool(var);
+ *dest = xstrdup(value);
+ return 0;
+ }
+
int git_default_config(const char *var, const char *value)
{
/* This needs a better name */
return 0;
}
- if (!strcmp(var, "i18n.commitencoding")) {
- if (!value)
- return config_error_nonbool(var);
- git_commit_encoding = xstrdup(value);
- return 0;
- }
-
- if (!strcmp(var, "i18n.logoutputencoding")) {
- if (!value)
- return config_error_nonbool(var);
- git_log_output_encoding = xstrdup(value);
- return 0;
- }
+ if (!strcmp(var, "i18n.commitencoding"))
+ return git_config_string(&git_commit_encoding, var, value);
+ if (!strcmp(var, "i18n.logoutputencoding"))
+ return git_config_string(&git_log_output_encoding, var, value);
if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
pager_use_color = git_config_bool(var,value);
return 0;
}
- if (!strcmp(var, "core.pager")) {
- if (!value)
- return config_error_nonbool(var);
- pager_program = xstrdup(value);
- return 0;
- }
+ if (!strcmp(var, "core.pager"))
+ return git_config_string(&pager_program, var, value);
- if (!strcmp(var, "core.editor")) {
- if (!value)
- return config_error_nonbool(var);
- editor_program = xstrdup(value);
- return 0;
- }
+ if (!strcmp(var, "core.editor"))
+ return git_config_string(&editor_program, var, value);
- if (!strcmp(var, "core.excludesfile")) {
- if (!value)
- return config_error_nonbool(var);
- excludes_file = xstrdup(value);
- return 0;
- }
+ if (!strcmp(var, "core.excludesfile"))
+ return git_config_string(&excludes_file, var, value);
if (!strcmp(var, "core.whitespace")) {
if (!value)
system_wide = ETC_GITCONFIG;
if (!is_absolute_path(system_wide)) {
/* interpret path relative to exec-dir */
- const char *exec_path = git_exec_path();
- system_wide = prefix_path(exec_path, strlen(exec_path),
- system_wide);
+ struct strbuf d = STRBUF_INIT;
+ strbuf_addf(&d, "%s/%s", git_exec_path(), system_wide);
+ system_wide = strbuf_detach(&d, NULL);
}
}
return system_wide;
static struct ll_diff_driver {
const char *name;
struct ll_diff_driver *next;
- char *cmd;
+ const char *cmd;
} *user_diff, **user_diff_tail;
/*
user_diff_tail = &(drv->next);
}
- if (!value)
- return error("%s: lacks value", var);
- drv->cmd = strdup(value);
- return 0;
+ return git_config_string(&(drv->cmd), var, value);
}
/*
if (!prefixcmp(var, "diff.")) {
const char *ep = strrchr(var, '.');
- if (ep != var + 4) {
- if (!strcmp(ep, ".command")) {
- if (!value)
- return config_error_nonbool(var);
- return parse_lldiff_command(var, ep, value);
- }
- }
+ if (ep != var + 4 && !strcmp(ep, ".command"))
+ return parse_lldiff_command(var, ep, value);
}
return git_diff_basic_config(var, value);
char *err;
if (line[0] == '+') {
+ data->lineno++;
data->status = check_and_emit_line(line + 1, len - 1,
data->ws_rule, NULL, NULL, NULL, NULL);
if (!data->status)
emit_line(set, reset, line, 1);
(void)check_and_emit_line(line + 1, len - 1, data->ws_rule,
stdout, set, reset, ws);
- data->lineno++;
} else if (line[0] == ' ')
data->lineno++;
else if (line[0] == '@') {
char *plus = strchr(line, '+');
if (plus)
- data->lineno = strtol(plus, NULL, 10);
+ data->lineno = strtol(plus, NULL, 10) - 1;
else
die("invalid diff");
}
if (pos < 0)
return 0;
ce = active_cache[pos];
- if ((lstat(name, &st) < 0) ||
- !S_ISREG(st.st_mode) || /* careful! */
- ce_match_stat(ce, &st, 0) ||
- hashcmp(sha1, ce->sha1))
+
+ /*
+ * This is not the sha1 we are looking for, or
+ * unreusable because it is not a regular file.
+ */
+ if (hashcmp(sha1, ce->sha1) || !S_ISREG(ce->ce_mode))
return 0;
- /* we return 1 only when we can stat, it is a regular file,
- * stat information matches, and sha1 recorded in the cache
- * matches. I.e. we know the file in the work tree really is
- * the same as the <name, sha1> pair.
+
+ /*
+ * If ce matches the file in the work tree, we can reuse it.
*/
- return 1;
+ if (ce_uptodate(ce) ||
+ (!lstat(name, &st) && !ce_match_stat(ce, &st, 0)))
+ return 1;
+
+ return 0;
}
static int populate_from_stdin(struct diff_filespec *s)