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-rw-r--r--dir.c211
1 files changed, 164 insertions, 47 deletions
diff --git a/dir.c b/dir.c
index 9987011..7c4b45e 100644
--- a/dir.c
+++ b/dir.c
@@ -18,6 +18,7 @@
#include "utf8.h"
#include "varint.h"
#include "ewah/ewok.h"
+#include "fsmonitor.h"
/*
* Tells read_directory_recursive how a file or directory should be treated.
@@ -220,6 +221,57 @@ int within_depth(const char *name, int namelen,
return 1;
}
+/*
+ * Read the contents of the blob with the given OID into a buffer.
+ * Append a trailing LF to the end if the last line doesn't have one.
+ *
+ * Returns:
+ * -1 when the OID is invalid or unknown or does not refer to a blob.
+ * 0 when the blob is empty.
+ * 1 along with { data, size } of the (possibly augmented) buffer
+ * when successful.
+ *
+ * Optionally updates the given sha1_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)
+{
+ enum object_type type;
+ unsigned long sz;
+ char *data;
+
+ *size_out = 0;
+ *data_out = NULL;
+
+ data = read_sha1_file(oid->hash, &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 (sz == 0) {
+ free(data);
+ return 0;
+ }
+
+ if (data[sz - 1] != '\n') {
+ data = xrealloc(data, st_add(sz, 1));
+ data[sz++] = '\n';
+ }
+
+ *size_out = xsize_t(sz);
+ *data_out = data;
+
+ return 1;
+}
+
#define DO_MATCH_EXCLUDE (1<<0)
#define DO_MATCH_DIRECTORY (1<<1)
#define DO_MATCH_SUBMODULE (1<<2)
@@ -600,32 +652,22 @@ void add_exclude(const char *string, const char *base,
x->el = el;
}
-static void *read_skip_worktree_file_from_index(const struct index_state *istate,
- const char *path, size_t *size,
- struct sha1_stat *sha1_stat)
+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)
{
int pos, len;
- unsigned long sz;
- enum object_type type;
- void *data;
len = strlen(path);
pos = index_name_pos(istate, path, len);
if (pos < 0)
- return NULL;
+ return -1;
if (!ce_skip_worktree(istate->cache[pos]))
- return NULL;
- data = read_sha1_file(istate->cache[pos]->oid.hash, &type, &sz);
- if (!data || type != OBJ_BLOB) {
- free(data);
- return NULL;
- }
- *size = xsize_t(sz);
- if (sha1_stat) {
- memset(&sha1_stat->stat, 0, sizeof(sha1_stat->stat));
- hashcpy(sha1_stat->sha1, istate->cache[pos]->oid.hash);
- }
- return data;
+ return -1;
+
+ return do_read_blob(&istate->cache[pos]->oid, sha1_stat, size_out, data_out);
}
/*
@@ -739,6 +781,10 @@ static void invalidate_directory(struct untracked_cache *uc,
dir->dirs[i]->recurse = 0;
}
+static int add_excludes_from_buffer(char *buf, size_t size,
+ const char *base, int baselen,
+ struct exclude_list *el);
+
/*
* Given a file with name "fname", read it (either from disk, or from
* an index if 'istate' is non-null), parse it and store the
@@ -754,9 +800,10 @@ static int add_excludes(const char *fname, const char *base, int baselen,
struct sha1_stat *sha1_stat)
{
struct stat st;
- int fd, i, lineno = 1;
+ int r;
+ int fd;
size_t size = 0;
- char *buf, *entry;
+ char *buf;
fd = open(fname, O_RDONLY);
if (fd < 0 || fstat(fd, &st) < 0) {
@@ -764,17 +811,13 @@ static int add_excludes(const char *fname, const char *base, int baselen,
warn_on_fopen_errors(fname);
else
close(fd);
- if (!istate ||
- (buf = read_skip_worktree_file_from_index(istate, fname, &size, sha1_stat)) == NULL)
+ if (!istate)
return -1;
- if (size == 0) {
- free(buf);
- return 0;
- }
- if (buf[size-1] != '\n') {
- buf = xrealloc(buf, st_add(size, 1));
- buf[size++] = '\n';
- }
+ r = read_skip_worktree_file_from_index(istate, fname,
+ &size, &buf,
+ sha1_stat);
+ if (r != 1)
+ return r;
} else {
size = xsize_t(st.st_size);
if (size == 0) {
@@ -813,6 +856,17 @@ static int add_excludes(const char *fname, const char *base, int baselen,
}
}
+ add_excludes_from_buffer(buf, size, base, baselen, el);
+ return 0;
+}
+
+static int add_excludes_from_buffer(char *buf, size_t size,
+ const char *base, int baselen,
+ struct exclude_list *el)
+{
+ int i, lineno = 1;
+ char *entry;
+
el->filebuf = buf;
if (skip_utf8_bom(&buf, size))
@@ -841,6 +895,23 @@ int add_excludes_from_file_to_list(const char *fname, const char *base,
return add_excludes(fname, base, baselen, el, istate, NULL);
}
+int add_excludes_from_blob_to_list(
+ struct object_id *oid,
+ const char *base, int baselen,
+ struct exclude_list *el)
+{
+ char *buf;
+ size_t size;
+ int r;
+
+ r = do_read_blob(oid, NULL, &size, &buf);
+ if (r != 1)
+ return r;
+
+ add_excludes_from_buffer(buf, size, base, baselen, el);
+ return 0;
+}
+
struct exclude_list *add_exclude_list(struct dir_struct *dir,
int group_type, const char *src)
{
@@ -1389,9 +1460,33 @@ static enum path_treatment treat_directory(struct dir_struct *dir,
case index_nonexistent:
if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES)
break;
+ if (exclude &&
+ (dir->flags & DIR_SHOW_IGNORED_TOO) &&
+ (dir->flags & DIR_SHOW_IGNORED_TOO_MODE_MATCHING)) {
+
+ /*
+ * This is an excluded directory and we are
+ * showing ignored paths that match an exclude
+ * pattern. (e.g. show directory as ignored
+ * only if it matches an exclude pattern).
+ * This path will either be 'path_excluded`
+ * (if we are showing empty directories or if
+ * the directory is not empty), or will be
+ * 'path_none' (empty directory, and we are
+ * not showing empty directories).
+ */
+ if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
+ return path_excluded;
+
+ if (read_directory_recursive(dir, istate, dirname, len,
+ untracked, 1, 1, pathspec) == path_excluded)
+ return path_excluded;
+
+ return path_none;
+ }
if (!(dir->flags & DIR_NO_GITLINKS)) {
- unsigned char sha1[20];
- if (resolve_gitlink_ref(dirname, "HEAD", sha1) == 0)
+ struct object_id oid;
+ if (resolve_gitlink_ref(dirname, "HEAD", &oid) == 0)
return exclude ? path_excluded : path_untracked;
}
return path_recurse;
@@ -1561,6 +1656,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir,
{
int exclude;
int has_path_in_index = !!index_file_exists(istate, path->buf, path->len, ignore_case);
+ enum path_treatment path_treatment;
if (dtype == DT_UNKNOWN)
dtype = get_dtype(de, istate, path->buf, path->len);
@@ -1607,8 +1703,23 @@ static enum path_treatment treat_one_path(struct dir_struct *dir,
return path_none;
case DT_DIR:
strbuf_addch(path, '/');
- return treat_directory(dir, istate, untracked, path->buf, path->len,
- baselen, exclude, pathspec);
+ path_treatment = treat_directory(dir, istate, untracked,
+ path->buf, path->len,
+ baselen, exclude, pathspec);
+ /*
+ * If 1) we only want to return directories that
+ * match an exclude pattern and 2) this directory does
+ * not match an exclude pattern but all of its
+ * contents are excluded, then indicate that we should
+ * recurse into this directory (instead of marking the
+ * directory itself as an ignored path).
+ */
+ if (!exclude &&
+ path_treatment == path_excluded &&
+ (dir->flags & DIR_SHOW_IGNORED_TOO) &&
+ (dir->flags & DIR_SHOW_IGNORED_TOO_MODE_MATCHING))
+ return path_recurse;
+ return path_treatment;
case DT_REG:
case DT_LNK:
return exclude ? path_excluded : path_untracked;
@@ -1693,17 +1804,23 @@ static int valid_cached_dir(struct dir_struct *dir,
if (!untracked)
return 0;
- if (stat(path->len ? path->buf : ".", &st)) {
- invalidate_directory(dir->untracked, untracked);
- 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)
+ /*
+ * With fsmonitor, we can trust the untracked cache's valid field.
+ */
+ refresh_fsmonitor(istate);
+ if (!(dir->untracked->use_fsmonitor && untracked->valid)) {
+ if (stat(path->len ? path->buf : ".", &st)) {
invalidate_directory(dir->untracked, untracked);
- fill_stat_data(&untracked->stat_data, &st);
- return 0;
+ 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) {
@@ -2279,10 +2396,10 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
int ret = 0, original_len = path->len, len, kept_down = 0;
int only_empty = (flag & REMOVE_DIR_EMPTY_ONLY);
int keep_toplevel = (flag & REMOVE_DIR_KEEP_TOPLEVEL);
- unsigned char submodule_head[20];
+ struct object_id submodule_head;
if ((flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
- !resolve_gitlink_ref(path->buf, "HEAD", submodule_head)) {
+ !resolve_gitlink_ref(path->buf, "HEAD", &submodule_head)) {
/* Do not descend and nuke a nested git work tree. */
if (kept_up)
*kept_up = 1;
generated by cgit v0.10.2-6-g49f6 at 2024-04-28 04:01:17 (GMT)