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-rw-r--r--dir.c250
1 files changed, 164 insertions, 86 deletions
diff --git a/dir.c b/dir.c
index 7c4b45e30e..fe9bf58e4c 100644
--- a/dir.c
+++ b/dir.c
@@ -19,6 +19,7 @@
#include "varint.h"
#include "ewah/ewok.h"
#include "fsmonitor.h"
+#include "submodule-config.h"
/*
* Tells read_directory_recursive how a file or directory should be treated.
@@ -231,12 +232,10 @@ int within_depth(const char *name, int namelen,
* 1 along with { data, size } of the (possibly augmented) buffer
* when successful.
*
- * Optionally updates the given sha1_stat with the given OID (when valid).
+ * Optionally updates the given oid_stat with the given OID (when valid).
*/
-static int do_read_blob(const struct object_id *oid,
- struct sha1_stat *sha1_stat,
- size_t *size_out,
- char **data_out)
+static int do_read_blob(const struct object_id *oid, struct oid_stat *oid_stat,
+ size_t *size_out, char **data_out)
{
enum object_type type;
unsigned long sz;
@@ -245,15 +244,15 @@ static int do_read_blob(const struct object_id *oid,
*size_out = 0;
*data_out = NULL;
- data = read_sha1_file(oid->hash, &type, &sz);
+ data = read_object_file(oid, &type, &sz);
if (!data || type != OBJ_BLOB) {
free(data);
return -1;
}
- if (sha1_stat) {
- memset(&sha1_stat->stat, 0, sizeof(sha1_stat->stat));
- hashcpy(sha1_stat->sha1, oid->hash);
+ if (oid_stat) {
+ memset(&oid_stat->stat, 0, sizeof(oid_stat->stat));
+ oidcpy(&oid_stat->oid, oid);
}
if (sz == 0) {
@@ -654,9 +653,8 @@ void add_exclude(const char *string, const char *base,
static int read_skip_worktree_file_from_index(const struct index_state *istate,
const char *path,
- size_t *size_out,
- char **data_out,
- struct sha1_stat *sha1_stat)
+ size_t *size_out, char **data_out,
+ struct oid_stat *oid_stat)
{
int pos, len;
@@ -667,7 +665,7 @@ static int read_skip_worktree_file_from_index(const struct index_state *istate,
if (!ce_skip_worktree(istate->cache[pos]))
return -1;
- return do_read_blob(&istate->cache[pos]->oid, sha1_stat, size_out, data_out);
+ return do_read_blob(&istate->cache[pos]->oid, oid_stat, size_out, data_out);
}
/*
@@ -747,8 +745,8 @@ static struct untracked_cache_dir *lookup_untracked(struct untracked_cache *uc,
FLEX_ALLOC_MEM(d, name, name, len);
ALLOC_GROW(dir->dirs, dir->dirs_nr + 1, dir->dirs_alloc);
- memmove(dir->dirs + first + 1, dir->dirs + first,
- (dir->dirs_nr - first) * sizeof(*dir->dirs));
+ MOVE_ARRAY(dir->dirs + first + 1, dir->dirs + first,
+ dir->dirs_nr - first);
dir->dirs_nr++;
dir->dirs[first] = d;
return d;
@@ -774,7 +772,16 @@ static void invalidate_directory(struct untracked_cache *uc,
struct untracked_cache_dir *dir)
{
int i;
- uc->dir_invalidated++;
+
+ /*
+ * Invalidation increment here is just roughly correct. If
+ * untracked_nr or any of dirs[].recurse is non-zero, we
+ * should increment dir_invalidated too. But that's more
+ * expensive to do.
+ */
+ if (dir->valid)
+ uc->dir_invalidated++;
+
dir->valid = 0;
dir->untracked_nr = 0;
for (i = 0; i < dir->dirs_nr; i++)
@@ -795,9 +802,8 @@ static int add_excludes_from_buffer(char *buf, size_t size,
* ss_valid is non-zero, "ss" must contain good value as input.
*/
static int add_excludes(const char *fname, const char *base, int baselen,
- struct exclude_list *el,
- struct index_state *istate,
- struct sha1_stat *sha1_stat)
+ struct exclude_list *el, struct index_state *istate,
+ struct oid_stat *oid_stat)
{
struct stat st;
int r;
@@ -815,16 +821,16 @@ static int add_excludes(const char *fname, const char *base, int baselen,
return -1;
r = read_skip_worktree_file_from_index(istate, fname,
&size, &buf,
- sha1_stat);
+ oid_stat);
if (r != 1)
return r;
} else {
size = xsize_t(st.st_size);
if (size == 0) {
- if (sha1_stat) {
- fill_stat_data(&sha1_stat->stat, &st);
- hashcpy(sha1_stat->sha1, EMPTY_BLOB_SHA1_BIN);
- sha1_stat->valid = 1;
+ if (oid_stat) {
+ fill_stat_data(&oid_stat->stat, &st);
+ oidcpy(&oid_stat->oid, the_hash_algo->empty_blob);
+ oid_stat->valid = 1;
}
close(fd);
return 0;
@@ -837,22 +843,23 @@ static int add_excludes(const char *fname, const char *base, int baselen,
}
buf[size++] = '\n';
close(fd);
- if (sha1_stat) {
+ if (oid_stat) {
int pos;
- if (sha1_stat->valid &&
- !match_stat_data_racy(istate, &sha1_stat->stat, &st))
+ if (oid_stat->valid &&
+ !match_stat_data_racy(istate, &oid_stat->stat, &st))
; /* no content change, ss->sha1 still good */
else if (istate &&
(pos = index_name_pos(istate, fname, strlen(fname))) >= 0 &&
!ce_stage(istate->cache[pos]) &&
ce_uptodate(istate->cache[pos]) &&
!would_convert_to_git(istate, fname))
- hashcpy(sha1_stat->sha1,
- istate->cache[pos]->oid.hash);
+ oidcpy(&oid_stat->oid,
+ &istate->cache[pos]->oid);
else
- hash_sha1_file(buf, size, "blob", sha1_stat->sha1);
- fill_stat_data(&sha1_stat->stat, &st);
- sha1_stat->valid = 1;
+ hash_object_file(buf, size, "blob",
+ &oid_stat->oid);
+ fill_stat_data(&oid_stat->stat, &st);
+ oid_stat->valid = 1;
}
}
@@ -930,7 +937,7 @@ struct exclude_list *add_exclude_list(struct dir_struct *dir,
* Used to set up core.excludesfile and .git/info/exclude lists.
*/
static void add_excludes_from_file_1(struct dir_struct *dir, const char *fname,
- struct sha1_stat *sha1_stat)
+ struct oid_stat *oid_stat)
{
struct exclude_list *el;
/*
@@ -941,7 +948,7 @@ static void add_excludes_from_file_1(struct dir_struct *dir, const char *fname,
if (!dir->untracked)
dir->unmanaged_exclude_files++;
el = add_exclude_list(dir, EXC_FILE, fname);
- if (add_excludes(fname, "", 0, el, NULL, sha1_stat) < 0)
+ if (add_excludes(fname, "", 0, el, NULL, oid_stat) < 0)
die("cannot use %s as an exclude file", fname);
}
@@ -1180,7 +1187,7 @@ static void prep_exclude(struct dir_struct *dir,
while (current < baselen) {
const char *cp;
- struct sha1_stat sha1_stat;
+ struct oid_stat oid_stat;
stk = xcalloc(1, sizeof(*stk));
if (current < 0) {
@@ -1223,8 +1230,8 @@ static void prep_exclude(struct dir_struct *dir,
}
/* Try to read per-directory file */
- hashclr(sha1_stat.sha1);
- sha1_stat.valid = 0;
+ oidclr(&oid_stat.oid);
+ oid_stat.valid = 0;
if (dir->exclude_per_dir &&
/*
* If we know that no files have been added in
@@ -1234,11 +1241,11 @@ static void prep_exclude(struct dir_struct *dir,
(!untracked || !untracked->valid ||
/*
* .. and .gitignore does not exist before
- * (i.e. null exclude_sha1). Then we can skip
+ * (i.e. null exclude_oid). Then we can skip
* loading .gitignore, which would result in
* ENOENT anyway.
*/
- !is_null_sha1(untracked->exclude_sha1))) {
+ !is_null_oid(&untracked->exclude_oid))) {
/*
* dir->basebuf gets reused by the traversal, but we
* need fname to remain unchanged to ensure the src
@@ -1252,7 +1259,7 @@ static void prep_exclude(struct dir_struct *dir,
strbuf_addstr(&sb, dir->exclude_per_dir);
el->src = strbuf_detach(&sb, NULL);
add_excludes(el->src, el->src, stk->baselen, el, istate,
- untracked ? &sha1_stat : NULL);
+ untracked ? &oid_stat : NULL);
}
/*
* NEEDSWORK: when untracked cache is enabled, prep_exclude()
@@ -1269,9 +1276,9 @@ static void prep_exclude(struct dir_struct *dir,
* order, though, if you do that.
*/
if (untracked &&
- hashcmp(sha1_stat.sha1, untracked->exclude_sha1)) {
+ oidcmp(&oid_stat.oid, &untracked->exclude_oid)) {
invalidate_gitignore(dir->untracked, untracked);
- hashcpy(untracked->exclude_sha1, sha1_stat.sha1);
+ oidcpy(&untracked->exclude_oid, &oid_stat.oid);
}
dir->exclude_stack = stk;
current = stk->baselen;
@@ -1773,7 +1780,7 @@ static enum path_treatment treat_path(struct dir_struct *dir,
if (!de)
return treat_path_fast(dir, untracked, cdir, istate, path,
baselen, pathspec);
- if (is_dot_or_dotdot(de->d_name) || !strcmp(de->d_name, ".git"))
+ if (is_dot_or_dotdot(de->d_name) || !fspathcmp(de->d_name, ".git"))
return path_none;
strbuf_setlen(path, baselen);
strbuf_addstr(path, de->d_name);
@@ -1809,24 +1816,19 @@ static int valid_cached_dir(struct dir_struct *dir,
*/
refresh_fsmonitor(istate);
if (!(dir->untracked->use_fsmonitor && untracked->valid)) {
- if (stat(path->len ? path->buf : ".", &st)) {
- invalidate_directory(dir->untracked, untracked);
+ if (lstat(path->len ? path->buf : ".", &st)) {
memset(&untracked->stat_data, 0, sizeof(untracked->stat_data));
return 0;
}
if (!untracked->valid ||
match_stat_data_racy(istate, &untracked->stat_data, &st)) {
- if (untracked->valid)
- invalidate_directory(dir->untracked, untracked);
fill_stat_data(&untracked->stat_data, &st);
return 0;
}
}
- if (untracked->check_only != !!check_only) {
- invalidate_directory(dir->untracked, untracked);
+ if (untracked->check_only != !!check_only)
return 0;
- }
/*
* prep_exclude will be called eventually on this directory,
@@ -1853,13 +1855,20 @@ static int open_cached_dir(struct cached_dir *cdir,
struct strbuf *path,
int check_only)
{
+ const char *c_path;
+
memset(cdir, 0, sizeof(*cdir));
cdir->untracked = untracked;
if (valid_cached_dir(dir, untracked, istate, path, check_only))
return 0;
- cdir->fdir = opendir(path->len ? path->buf : ".");
- if (dir->untracked)
+ c_path = path->len ? path->buf : ".";
+ cdir->fdir = opendir(c_path);
+ if (!cdir->fdir)
+ warning_errno(_("could not open directory '%s'"), c_path);
+ if (dir->untracked) {
+ invalidate_directory(dir->untracked, untracked);
dir->untracked->dir_opened++;
+ }
if (!cdir->fdir)
return -1;
return 0;
@@ -2164,8 +2173,13 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d
const struct pathspec *pathspec)
{
struct untracked_cache_dir *root;
+ static int untracked_cache_disabled = -1;
- if (!dir->untracked || getenv("GIT_DISABLE_UNTRACKED_CACHE"))
+ if (!dir->untracked)
+ return NULL;
+ if (untracked_cache_disabled < 0)
+ untracked_cache_disabled = git_env_bool("GIT_DISABLE_UNTRACKED_CACHE", 0);
+ if (untracked_cache_disabled)
return NULL;
/*
@@ -2228,13 +2242,13 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d
/* Validate $GIT_DIR/info/exclude and core.excludesfile */
root = dir->untracked->root;
- if (hashcmp(dir->ss_info_exclude.sha1,
- dir->untracked->ss_info_exclude.sha1)) {
+ if (oidcmp(&dir->ss_info_exclude.oid,
+ &dir->untracked->ss_info_exclude.oid)) {
invalidate_gitignore(dir->untracked, root);
dir->untracked->ss_info_exclude = dir->ss_info_exclude;
}
- if (hashcmp(dir->ss_excludes_file.sha1,
- dir->untracked->ss_excludes_file.sha1)) {
+ if (oidcmp(&dir->ss_excludes_file.oid,
+ &dir->untracked->ss_excludes_file.oid)) {
invalidate_gitignore(dir->untracked, root);
dir->untracked->ss_excludes_file = dir->ss_excludes_file;
}
@@ -2248,6 +2262,7 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
const char *path, int len, const struct pathspec *pathspec)
{
struct untracked_cache_dir *untracked;
+ uint64_t start = getnanotime();
if (has_symlink_leading_path(path, len))
return dir->nr;
@@ -2286,8 +2301,14 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
dir->nr = i;
}
+ trace_performance_since(start, "read directory %.*s", len, path);
if (dir->untracked) {
+ static int force_untracked_cache = -1;
static struct trace_key trace_untracked_stats = TRACE_KEY_INIT(UNTRACKED_STATS);
+
+ if (force_untracked_cache < 0)
+ force_untracked_cache =
+ git_env_bool("GIT_FORCE_UNTRACKED_CACHE", 0);
trace_printf_key(&trace_untracked_stats,
"node creation: %u\n"
"gitignore invalidation: %u\n"
@@ -2297,7 +2318,8 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
dir->untracked->gitignore_invalidated,
dir->untracked->dir_invalidated,
dir->untracked->dir_opened);
- if (dir->untracked == istate->untracked &&
+ if (force_untracked_cache &&
+ dir->untracked == istate->untracked &&
(dir->untracked->dir_opened ||
dir->untracked->gitignore_invalidated ||
dir->untracked->dir_invalidated))
@@ -2601,9 +2623,10 @@ static void write_one_dir(struct untracked_cache_dir *untracked,
stat_data_to_disk(&stat_data, &untracked->stat_data);
strbuf_add(&wd->sb_stat, &stat_data, sizeof(stat_data));
}
- if (!is_null_sha1(untracked->exclude_sha1)) {
+ if (!is_null_oid(&untracked->exclude_oid)) {
ewah_set(wd->sha1_valid, i);
- strbuf_add(&wd->sb_sha1, untracked->exclude_sha1, 20);
+ strbuf_add(&wd->sb_sha1, untracked->exclude_oid.hash,
+ the_hash_algo->rawsz);
}
intlen = encode_varint(untracked->untracked_nr, intbuf);
@@ -2638,8 +2661,8 @@ void write_untracked_extension(struct strbuf *out, struct untracked_cache *untra
FLEX_ALLOC_MEM(ouc, exclude_per_dir, untracked->exclude_per_dir, len);
stat_data_to_disk(&ouc->info_exclude_stat, &untracked->ss_info_exclude.stat);
stat_data_to_disk(&ouc->excludes_file_stat, &untracked->ss_excludes_file.stat);
- hashcpy(ouc->info_exclude_sha1, untracked->ss_info_exclude.sha1);
- hashcpy(ouc->excludes_file_sha1, untracked->ss_excludes_file.sha1);
+ hashcpy(ouc->info_exclude_sha1, untracked->ss_info_exclude.oid.hash);
+ hashcpy(ouc->excludes_file_sha1, untracked->ss_excludes_file.oid.hash);
ouc->dir_flags = htonl(untracked->dir_flags);
varint_len = encode_varint(untracked->ident.len, varbuf);
@@ -2804,25 +2827,24 @@ static void read_stat(size_t pos, void *cb)
ud->valid = 1;
}
-static void read_sha1(size_t pos, void *cb)
+static void read_oid(size_t pos, void *cb)
{
struct read_data *rd = cb;
struct untracked_cache_dir *ud = rd->ucd[pos];
- if (rd->data + 20 > rd->end) {
+ if (rd->data + the_hash_algo->rawsz > rd->end) {
rd->data = rd->end + 1;
return;
}
- hashcpy(ud->exclude_sha1, rd->data);
- rd->data += 20;
+ hashcpy(ud->exclude_oid.hash, rd->data);
+ rd->data += the_hash_algo->rawsz;
}
-static void load_sha1_stat(struct sha1_stat *sha1_stat,
- const unsigned char *data,
- const unsigned char *sha1)
+static void load_oid_stat(struct oid_stat *oid_stat, const unsigned char *data,
+ const unsigned char *sha1)
{
- stat_data_from_disk(&sha1_stat->stat, data);
- hashcpy(sha1_stat->sha1, sha1);
- sha1_stat->valid = 1;
+ stat_data_from_disk(&oid_stat->stat, data);
+ hashcpy(oid_stat->oid.hash, sha1);
+ oid_stat->valid = 1;
}
struct untracked_cache *read_untracked_extension(const void *data, unsigned long sz)
@@ -2831,7 +2853,8 @@ struct untracked_cache *read_untracked_extension(const void *data, unsigned long
struct read_data rd;
const unsigned char *next = data, *end = (const unsigned char *)data + sz;
const char *ident;
- int ident_len, len;
+ int ident_len;
+ ssize_t len;
const char *exclude_per_dir;
if (sz <= 1 || end[-1] != '\0')
@@ -2850,12 +2873,12 @@ struct untracked_cache *read_untracked_extension(const void *data, unsigned long
uc = xcalloc(1, sizeof(*uc));
strbuf_init(&uc->ident, ident_len);
strbuf_add(&uc->ident, ident, ident_len);
- load_sha1_stat(&uc->ss_info_exclude,
- next + ouc_offset(info_exclude_stat),
- next + ouc_offset(info_exclude_sha1));
- load_sha1_stat(&uc->ss_excludes_file,
- next + ouc_offset(excludes_file_stat),
- next + ouc_offset(excludes_file_sha1));
+ load_oid_stat(&uc->ss_info_exclude,
+ next + ouc_offset(info_exclude_stat),
+ next + ouc_offset(info_exclude_sha1));
+ load_oid_stat(&uc->ss_excludes_file,
+ next + ouc_offset(excludes_file_stat),
+ next + ouc_offset(excludes_file_sha1));
uc->dir_flags = get_be32(next + ouc_offset(dir_flags));
exclude_per_dir = (const char *)next + ouc_offset(exclude_per_dir);
uc->exclude_per_dir = xstrdup(exclude_per_dir);
@@ -2897,7 +2920,7 @@ struct untracked_cache *read_untracked_extension(const void *data, unsigned long
ewah_each_bit(rd.check_only, set_check_only, &rd);
rd.data = next + len;
ewah_each_bit(rd.valid, read_stat, &rd);
- ewah_each_bit(rd.sha1_valid, read_sha1, &rd);
+ ewah_each_bit(rd.sha1_valid, read_oid, &rd);
next = rd.data;
done:
@@ -2968,10 +2991,12 @@ static int invalidate_one_component(struct untracked_cache *uc,
}
void untracked_cache_invalidate_path(struct index_state *istate,
- const char *path)
+ const char *path, int safe_path)
{
if (!istate->untracked || !istate->untracked->root)
return;
+ if (!safe_path && !verify_path(path, 0))
+ return;
invalidate_one_component(istate->untracked, istate->untracked->root,
path, strlen(path));
}
@@ -2979,17 +3004,66 @@ void untracked_cache_invalidate_path(struct index_state *istate,
void untracked_cache_remove_from_index(struct index_state *istate,
const char *path)
{
- untracked_cache_invalidate_path(istate, path);
+ untracked_cache_invalidate_path(istate, path, 1);
}
void untracked_cache_add_to_index(struct index_state *istate,
const char *path)
{
- untracked_cache_invalidate_path(istate, path);
+ untracked_cache_invalidate_path(istate, path, 1);
}
-/* Update gitfile and core.worktree setting to connect work tree and git dir */
-void connect_work_tree_and_git_dir(const char *work_tree_, const char *git_dir_)
+static void connect_wt_gitdir_in_nested(const char *sub_worktree,
+ const char *sub_gitdir)
+{
+ int i;
+ struct repository subrepo;
+ struct strbuf sub_wt = STRBUF_INIT;
+ struct strbuf sub_gd = STRBUF_INIT;
+
+ const struct submodule *sub;
+
+ /* If the submodule has no working tree, we can ignore it. */
+ if (repo_init(&subrepo, sub_gitdir, sub_worktree))
+ return;
+
+ if (repo_read_index(&subrepo) < 0)
+ die("index file corrupt in repo %s", subrepo.gitdir);
+
+ for (i = 0; i < subrepo.index->cache_nr; i++) {
+ const struct cache_entry *ce = subrepo.index->cache[i];
+
+ if (!S_ISGITLINK(ce->ce_mode))
+ continue;
+
+ while (i + 1 < subrepo.index->cache_nr &&
+ !strcmp(ce->name, subrepo.index->cache[i + 1]->name))
+ /*
+ * Skip entries with the same name in different stages
+ * to make sure an entry is returned only once.
+ */
+ i++;
+
+ sub = submodule_from_path(&subrepo, &null_oid, ce->name);
+ if (!sub || !is_submodule_active(&subrepo, ce->name))
+ /* .gitmodules broken or inactive sub */
+ continue;
+
+ strbuf_reset(&sub_wt);
+ strbuf_reset(&sub_gd);
+ strbuf_addf(&sub_wt, "%s/%s", sub_worktree, sub->path);
+ strbuf_addf(&sub_gd, "%s/modules/%s", sub_gitdir, sub->name);
+
+ connect_work_tree_and_git_dir(sub_wt.buf, sub_gd.buf, 1);
+ }
+ strbuf_release(&sub_wt);
+ strbuf_release(&sub_gd);
+ repo_clear(&subrepo);
+}
+
+void connect_work_tree_and_git_dir(const char *work_tree_,
+ const char *git_dir_,
+ int recurse_into_nested)
{
struct strbuf gitfile_sb = STRBUF_INIT;
struct strbuf cfg_sb = STRBUF_INIT;
@@ -3019,6 +3093,10 @@ void connect_work_tree_and_git_dir(const char *work_tree_, const char *git_dir_)
strbuf_release(&gitfile_sb);
strbuf_release(&cfg_sb);
strbuf_release(&rel_path);
+
+ if (recurse_into_nested)
+ connect_wt_gitdir_in_nested(work_tree, git_dir);
+
free(work_tree);
free(git_dir);
}
@@ -3032,5 +3110,5 @@ void relocate_gitdir(const char *path, const char *old_git_dir, const char *new_
die_errno(_("could not migrate git directory from '%s' to '%s'"),
old_git_dir, new_git_dir);
- connect_work_tree_and_git_dir(path, new_git_dir);
+ connect_work_tree_and_git_dir(path, new_git_dir, 0);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-19 14:21:55 +0000