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-rw-r--r--read-cache.c74
1 files changed, 49 insertions, 25 deletions
diff --git a/read-cache.c b/read-cache.c
index 6f0057fe66..8d71860f69 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -5,6 +5,7 @@
*/
#define NO_THE_INDEX_COMPATIBILITY_MACROS
#include "cache.h"
+#include "lockfile.h"
#include "cache-tree.h"
#include "refs.h"
#include "dir.h"
@@ -16,6 +17,7 @@
#include "varint.h"
#include "split-index.h"
#include "sigchain.h"
+#include "utf8.h"
static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
unsigned int options);
@@ -723,7 +725,7 @@ struct cache_entry *make_cache_entry(unsigned int mode,
unsigned int refresh_options)
{
int size, len;
- struct cache_entry *ce;
+ struct cache_entry *ce, *ret;
if (!verify_path(path)) {
error("Invalid path '%s'", path);
@@ -740,7 +742,13 @@ struct cache_entry *make_cache_entry(unsigned int mode,
ce->ce_namelen = len;
ce->ce_mode = create_ce_mode(mode);
- return refresh_cache_entry(ce, refresh_options);
+ ret = refresh_cache_entry(ce, refresh_options);
+ if (!ret) {
+ free(ce);
+ return NULL;
+ } else {
+ return ret;
+ }
}
int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)
@@ -775,9 +783,10 @@ static int verify_dotfile(const char *rest)
* shares the path end test with the ".." case.
*/
case 'g':
- if (rest[1] != 'i')
+ case 'G':
+ if (rest[1] != 'i' && rest[1] != 'I')
break;
- if (rest[2] != 't')
+ if (rest[2] != 't' && rest[2] != 'T')
break;
rest += 2;
/* fallthrough */
@@ -801,6 +810,10 @@ int verify_path(const char *path)
return 1;
if (is_dir_sep(c)) {
inside:
+ if (protect_hfs && is_hfs_dotgit(path))
+ return 0;
+ if (protect_ntfs && is_ntfs_dotgit(path))
+ return 0;
c = *path++;
if ((c == '.' && !verify_dotfile(path)) ||
is_dir_sep(c) || c == '\0')
@@ -1246,24 +1259,16 @@ static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
#define INDEX_FORMAT_DEFAULT 3
-static int index_format_config(const char *var, const char *value, void *cb)
-{
- unsigned int *version = cb;
- if (!strcmp(var, "index.version")) {
- *version = git_config_int(var, value);
- return 0;
- }
- return 1;
-}
-
static unsigned int get_index_format_default(void)
{
char *envversion = getenv("GIT_INDEX_VERSION");
char *endp;
+ int value;
unsigned int version = INDEX_FORMAT_DEFAULT;
if (!envversion) {
- git_config(index_format_config, &version);
+ if (!git_config_get_int("index.version", &value))
+ version = value;
if (version < INDEX_FORMAT_LB || INDEX_FORMAT_UB < version) {
warning(_("index.version set, but the value is invalid.\n"
"Using version %i"), INDEX_FORMAT_DEFAULT);
@@ -1375,6 +1380,14 @@ static int read_index_extension(struct index_state *istate,
return 0;
}
+int hold_locked_index(struct lock_file *lk, int die_on_error)
+{
+ return hold_lock_file_for_update(lk, get_index_file(),
+ die_on_error
+ ? LOCK_DIE_ON_ERROR
+ : 0);
+}
+
int read_index(struct index_state *istate)
{
return read_index_from(istate, get_index_file());
@@ -1473,6 +1486,21 @@ static struct cache_entry *create_from_disk(struct ondisk_cache_entry *ondisk,
return ce;
}
+static void check_ce_order(struct cache_entry *ce, struct cache_entry *next_ce)
+{
+ int name_compare = strcmp(ce->name, next_ce->name);
+ if (0 < name_compare)
+ die("unordered stage entries in index");
+ if (!name_compare) {
+ if (!ce_stage(ce))
+ die("multiple stage entries for merged file '%s'",
+ ce->name);
+ if (ce_stage(ce) > ce_stage(next_ce))
+ die("unordered stage entries for '%s'",
+ ce->name);
+ }
+}
+
/* remember to discard_cache() before reading a different cache! */
int do_read_index(struct index_state *istate, const char *path, int must_exist)
{
@@ -1534,6 +1562,9 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist)
ce = create_from_disk(disk_ce, &consumed, previous_name);
set_index_entry(istate, i, ce);
+ if (i > 0)
+ check_ce_order(istate->cache[i - 1], ce);
+
src_offset += consumed;
}
strbuf_release(&previous_name_buf);
@@ -2031,16 +2062,10 @@ void set_alternate_index_output(const char *name)
static int commit_locked_index(struct lock_file *lk)
{
- if (alternate_index_output) {
- if (lk->fd >= 0 && close_lock_file(lk))
- return -1;
- if (rename(lk->filename, alternate_index_output))
- return -1;
- lk->filename[0] = 0;
- return 0;
- } else {
+ if (alternate_index_output)
+ return commit_lock_file_to(lk, alternate_index_output);
+ else
return commit_lock_file(lk);
- }
}
static int do_write_locked_index(struct index_state *istate, struct lock_file *lock,
@@ -2180,7 +2205,6 @@ int read_index_unmerged(struct index_state *istate)
if (add_index_entry(istate, new_ce, 0))
return error("%s: cannot drop to stage #0",
new_ce->name);
- i = index_name_pos(istate, new_ce->name, len);
}
return unmerged;
}