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Diffstat (limited to 'dir.c')
-rw-r--r--dir.c113
1 files changed, 87 insertions, 26 deletions
diff --git a/dir.c b/dir.c
index bbfcb566e6..e05b850acf 100644
--- a/dir.c
+++ b/dir.c
@@ -14,12 +14,11 @@ struct path_simplify {
const char *path;
};
-static int read_directory_recursive(struct dir_struct *dir,
- const char *path, const char *base, int baselen,
+static int read_directory_recursive(struct dir_struct *dir, const char *path, int len,
int check_only, const struct path_simplify *simplify);
-static int get_dtype(struct dirent *de, const char *path);
+static int get_dtype(struct dirent *de, const char *path, int len);
-int common_prefix(const char **pathspec)
+static int common_prefix(const char **pathspec)
{
const char *path, *slash, *next;
int prefix;
@@ -52,6 +51,26 @@ int common_prefix(const char **pathspec)
return prefix;
}
+int fill_directory(struct dir_struct *dir, const char **pathspec)
+{
+ const char *path;
+ int len;
+
+ /*
+ * Calculate common prefix for the pathspec, and
+ * use that to optimize the directory walk
+ */
+ len = common_prefix(pathspec);
+ path = "";
+
+ if (len)
+ path = xmemdupz(*pathspec, len);
+
+ /* Read the directory and prune it */
+ read_directory(dir, path, len, pathspec);
+ return len;
+}
+
/*
* Does 'match' match the given name?
* A match is found if
@@ -307,7 +326,7 @@ static int excluded_1(const char *pathname,
if (x->flags & EXC_FLAG_MUSTBEDIR) {
if (*dtype == DT_UNKNOWN)
- *dtype = get_dtype(NULL, pathname);
+ *dtype = get_dtype(NULL, pathname, pathlen);
if (*dtype != DT_DIR)
continue;
}
@@ -505,7 +524,7 @@ static enum directory_treatment treat_directory(struct dir_struct *dir,
/* This is the "show_other_directories" case */
if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
return show_directory;
- if (!read_directory_recursive(dir, dirname, dirname, len, 1, simplify))
+ if (!read_directory_recursive(dir, dirname, len, 1, simplify))
return ignore_directory;
return show_directory;
}
@@ -547,13 +566,54 @@ static int in_pathspec(const char *path, int len, const struct path_simplify *si
return 0;
}
-static int get_dtype(struct dirent *de, const char *path)
+static int get_index_dtype(const char *path, int len)
+{
+ int pos;
+ struct cache_entry *ce;
+
+ ce = cache_name_exists(path, len, 0);
+ if (ce) {
+ if (!ce_uptodate(ce))
+ return DT_UNKNOWN;
+ if (S_ISGITLINK(ce->ce_mode))
+ return DT_DIR;
+ /*
+ * Nobody actually cares about the
+ * difference between DT_LNK and DT_REG
+ */
+ return DT_REG;
+ }
+
+ /* Try to look it up as a directory */
+ pos = cache_name_pos(path, len);
+ if (pos >= 0)
+ return DT_UNKNOWN;
+ pos = -pos-1;
+ while (pos < active_nr) {
+ ce = active_cache[pos++];
+ if (strncmp(ce->name, path, len))
+ break;
+ if (ce->name[len] > '/')
+ break;
+ if (ce->name[len] < '/')
+ continue;
+ if (!ce_uptodate(ce))
+ break; /* continue? */
+ return DT_DIR;
+ }
+ return DT_UNKNOWN;
+}
+
+static int get_dtype(struct dirent *de, const char *path, int len)
{
int dtype = de ? DTYPE(de) : DT_UNKNOWN;
struct stat st;
if (dtype != DT_UNKNOWN)
return dtype;
+ dtype = get_index_dtype(path, len);
+ if (dtype != DT_UNKNOWN)
+ return dtype;
if (lstat(path, &st))
return dtype;
if (S_ISREG(st.st_mode))
@@ -574,15 +634,15 @@ static int get_dtype(struct dirent *de, const char *path)
* Also, we ignore the name ".git" (even if it is not a directory).
* That likely will not change.
*/
-static int read_directory_recursive(struct dir_struct *dir, const char *path, const char *base, int baselen, int check_only, const struct path_simplify *simplify)
+static int read_directory_recursive(struct dir_struct *dir, const char *base, int baselen, int check_only, const struct path_simplify *simplify)
{
- DIR *fdir = opendir(*path ? path : ".");
+ DIR *fdir = opendir(*base ? base : ".");
int contents = 0;
if (fdir) {
struct dirent *de;
- char fullname[PATH_MAX + 1];
- memcpy(fullname, base, baselen);
+ char path[PATH_MAX + 1];
+ memcpy(path, base, baselen);
while ((de = readdir(fdir)) != NULL) {
int len, dtype;
@@ -593,17 +653,18 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
continue;
len = strlen(de->d_name);
/* Ignore overly long pathnames! */
- if (len + baselen + 8 > sizeof(fullname))
+ if (len + baselen + 8 > sizeof(path))
continue;
- memcpy(fullname + baselen, de->d_name, len+1);
- if (simplify_away(fullname, baselen + len, simplify))
+ memcpy(path + baselen, de->d_name, len+1);
+ len = baselen + len;
+ if (simplify_away(path, len, simplify))
continue;
dtype = DTYPE(de);
- exclude = excluded(dir, fullname, &dtype);
+ exclude = excluded(dir, path, &dtype);
if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
- && in_pathspec(fullname, baselen + len, simplify))
- dir_add_ignored(dir, fullname, baselen + len);
+ && in_pathspec(path, len, simplify))
+ dir_add_ignored(dir, path,len);
/*
* Excluded? If we don't explicitly want to show
@@ -613,7 +674,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
continue;
if (dtype == DT_UNKNOWN)
- dtype = get_dtype(de, fullname);
+ dtype = get_dtype(de, path, len);
/*
* Do we want to see just the ignored files?
@@ -630,9 +691,9 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
default:
continue;
case DT_DIR:
- memcpy(fullname + baselen + len, "/", 2);
+ memcpy(path + len, "/", 2);
len++;
- switch (treat_directory(dir, fullname, baselen + len, simplify)) {
+ switch (treat_directory(dir, path, len, simplify)) {
case show_directory:
if (exclude != !!(dir->flags
& DIR_SHOW_IGNORED))
@@ -640,7 +701,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
break;
case recurse_into_directory:
contents += read_directory_recursive(dir,
- fullname, fullname, baselen + len, 0, simplify);
+ path, len, 0, simplify);
continue;
case ignore_directory:
continue;
@@ -654,7 +715,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
if (check_only)
goto exit_early;
else
- dir_add_name(dir, fullname, baselen + len);
+ dir_add_name(dir, path, len);
}
exit_early:
closedir(fdir);
@@ -717,15 +778,15 @@ static void free_simplify(struct path_simplify *simplify)
free(simplify);
}
-int read_directory(struct dir_struct *dir, const char *path, const char *base, int baselen, const char **pathspec)
+int read_directory(struct dir_struct *dir, const char *path, int len, const char **pathspec)
{
struct path_simplify *simplify;
- if (has_symlink_leading_path(path, strlen(path)))
+ if (has_symlink_leading_path(path, len))
return dir->nr;
simplify = create_simplify(pathspec);
- read_directory_recursive(dir, path, base, baselen, 0, simplify);
+ read_directory_recursive(dir, path, len, 0, simplify);
free_simplify(simplify);
qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
@@ -759,7 +820,7 @@ char *get_relative_cwd(char *buffer, int size, const char *dir)
if (!dir)
return NULL;
if (!getcwd(buffer, size))
- die("can't find the current directory: %s", strerror(errno));
+ die_errno("can't find the current directory");
if (!is_absolute_path(dir))
dir = make_absolute_path(dir);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 08:37:43 +0000