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-rw-r--r--read-cache.c101
1 files changed, 71 insertions, 30 deletions
diff --git a/read-cache.c b/read-cache.c
index f5d4385c40..8a50ff66b3 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -849,6 +849,19 @@ struct cache_entry *make_empty_transient_cache_entry(size_t len,
return xcalloc(1, cache_entry_size(len));
}
+enum verify_path_result {
+ PATH_OK,
+ PATH_INVALID,
+ PATH_DIR_WITH_SEP,
+};
+
+static enum verify_path_result verify_path_internal(const char *, unsigned);
+
+int verify_path(const char *path, unsigned mode)
+{
+ return verify_path_internal(path, mode) == PATH_OK;
+}
+
struct cache_entry *make_cache_entry(struct index_state *istate,
unsigned int mode,
const struct object_id *oid,
@@ -859,7 +872,7 @@ struct cache_entry *make_cache_entry(struct index_state *istate,
struct cache_entry *ce, *ret;
int len;
- if (!verify_path(path, mode)) {
+ if (verify_path_internal(path, mode) == PATH_INVALID) {
error(_("invalid path '%s'"), path);
return NULL;
}
@@ -993,60 +1006,62 @@ static int verify_dotfile(const char *rest, unsigned mode)
return 1;
}
-int verify_path(const char *path, unsigned mode)
+static enum verify_path_result verify_path_internal(const char *path,
+ unsigned mode)
{
char c = 0;
if (has_dos_drive_prefix(path))
- return 0;
+ return PATH_INVALID;
if (!is_valid_path(path))
- return 0;
+ return PATH_INVALID;
goto inside;
for (;;) {
if (!c)
- return 1;
+ return PATH_OK;
if (is_dir_sep(c)) {
inside:
if (protect_hfs) {
if (is_hfs_dotgit(path))
- return 0;
+ return PATH_INVALID;
if (S_ISLNK(mode)) {
if (is_hfs_dotgitmodules(path))
- return 0;
+ return PATH_INVALID;
}
}
if (protect_ntfs) {
#if defined GIT_WINDOWS_NATIVE || defined __CYGWIN__
if (c == '\\')
- return 0;
+ return PATH_INVALID;
#endif
if (is_ntfs_dotgit(path))
- return 0;
+ return PATH_INVALID;
if (S_ISLNK(mode)) {
if (is_ntfs_dotgitmodules(path))
- return 0;
+ return PATH_INVALID;
}
}
c = *path++;
if ((c == '.' && !verify_dotfile(path, mode)) ||
is_dir_sep(c))
- return 0;
+ return PATH_INVALID;
/*
* allow terminating directory separators for
* sparse directory entries.
*/
if (c == '\0')
- return S_ISDIR(mode);
+ return S_ISDIR(mode) ? PATH_DIR_WITH_SEP :
+ PATH_INVALID;
} else if (c == '\\' && protect_ntfs) {
if (is_ntfs_dotgit(path))
- return 0;
+ return PATH_INVALID;
if (S_ISLNK(mode)) {
if (is_ntfs_dotgitmodules(path))
- return 0;
+ return PATH_INVALID;
}
}
@@ -1349,7 +1364,7 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e
if (!ok_to_add)
return -1;
- if (!verify_path(ce->name, ce->ce_mode))
+ if (verify_path_internal(ce->name, ce->ce_mode) == PATH_INVALID)
return error(_("invalid path '%s'"), ce->name);
if (!skip_df_check &&
@@ -1944,13 +1959,22 @@ static void tweak_untracked_cache(struct index_state *istate)
prepare_repo_settings(r);
- if (r->settings.core_untracked_cache == UNTRACKED_CACHE_REMOVE) {
+ switch (r->settings.core_untracked_cache) {
+ case UNTRACKED_CACHE_REMOVE:
remove_untracked_cache(istate);
- return;
- }
-
- if (r->settings.core_untracked_cache == UNTRACKED_CACHE_WRITE)
+ break;
+ case UNTRACKED_CACHE_WRITE:
add_untracked_cache(istate);
+ break;
+ case UNTRACKED_CACHE_KEEP:
+ /*
+ * Either an explicit "core.untrackedCache=keep", the
+ * default if "core.untrackedCache" isn't configured,
+ * or a fallback on an unknown "core.untrackedCache"
+ * value.
+ */
+ break;
+ }
}
static void tweak_split_index(struct index_state *istate)
@@ -2391,9 +2415,21 @@ int read_index_from(struct index_state *istate, const char *path,
base_path = xstrfmt("%s/sharedindex.%s", gitdir, base_oid_hex);
trace2_region_enter_printf("index", "shared/do_read_index",
the_repository, "%s", base_path);
- ret = do_read_index(split_index->base, base_path, 1);
+ ret = do_read_index(split_index->base, base_path, 0);
trace2_region_leave_printf("index", "shared/do_read_index",
the_repository, "%s", base_path);
+ if (!ret) {
+ char *path_copy = xstrdup(path);
+ const char *base_path2 = xstrfmt("%s/sharedindex.%s",
+ dirname(path_copy),
+ base_oid_hex);
+ free(path_copy);
+ trace2_region_enter_printf("index", "shared/do_read_index",
+ the_repository, "%s", base_path2);
+ ret = do_read_index(split_index->base, base_path2, 1);
+ trace2_region_leave_printf("index", "shared/do_read_index",
+ the_repository, "%s", base_path2);
+ }
if (!oideq(&split_index->base_oid, &split_index->base->oid))
die(_("broken index, expect %s in %s, got %s"),
base_oid_hex, base_path,
@@ -2812,11 +2848,8 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
}
}
- if (!istate->version) {
+ if (!istate->version)
istate->version = get_index_format_default(the_repository);
- if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0))
- init_split_index(istate);
- }
/* demote version 3 to version 2 when the latter suffices */
if (istate->version == 3 || istate->version == 2)
@@ -3243,7 +3276,7 @@ static int too_many_not_shared_entries(struct index_state *istate)
int write_locked_index(struct index_state *istate, struct lock_file *lock,
unsigned flags)
{
- int new_shared_index, ret;
+ int new_shared_index, ret, test_split_index_env;
struct split_index *si = istate->split_index;
if (git_env_bool("GIT_TEST_CHECK_CACHE_TREE", 0))
@@ -3258,7 +3291,10 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock,
if (istate->fsmonitor_last_update)
fill_fsmonitor_bitmap(istate);
- if (!si || alternate_index_output ||
+ test_split_index_env = git_env_bool("GIT_TEST_SPLIT_INDEX", 0);
+
+ if ((!si && !test_split_index_env) ||
+ alternate_index_output ||
(istate->cache_changed & ~EXTMASK)) {
if (si)
oidclr(&si->base_oid);
@@ -3266,10 +3302,15 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock,
goto out;
}
- if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0)) {
- int v = si->base_oid.hash[0];
- if ((v & 15) < 6)
+ if (test_split_index_env) {
+ if (!si) {
+ si = init_split_index(istate);
istate->cache_changed |= SPLIT_INDEX_ORDERED;
+ } else {
+ int v = si->base_oid.hash[0];
+ if ((v & 15) < 6)
+ istate->cache_changed |= SPLIT_INDEX_ORDERED;
+ }
}
if (too_many_not_shared_entries(istate))
istate->cache_changed |= SPLIT_INDEX_ORDERED;