* Copyright (C) Linus Torvalds, 2005-2006
* Junio Hamano, 2005-2006
*/
-#include <dirent.h>
-#include <fnmatch.h>
-
#include "cache.h"
#include "dir.h"
+int common_prefix(const char **pathspec)
+{
+ const char *path, *slash, *next;
+ int prefix;
+
+ if (!pathspec)
+ return 0;
+
+ path = *pathspec;
+ slash = strrchr(path, '/');
+ if (!slash)
+ return 0;
+
+ prefix = slash - path + 1;
+ while ((next = *++pathspec) != NULL) {
+ int len = strlen(next);
+ if (len >= prefix && !memcmp(path, next, len))
+ continue;
+ for (;;) {
+ if (!len)
+ return 0;
+ if (next[--len] != '/')
+ continue;
+ if (memcmp(path, next, len+1))
+ continue;
+ prefix = len + 1;
+ break;
+ }
+ }
+ return prefix;
+}
+
+/*
+ * Does 'match' matches the given name?
+ * A match is found if
+ *
+ * (1) the 'match' string is leading directory of 'name', or
+ * (2) the 'match' string is a wildcard and matches 'name', or
+ * (3) the 'match' string is exactly the same as 'name'.
+ *
+ * and the return value tells which case it was.
+ *
+ * It returns 0 when there is no match.
+ */
+static int match_one(const char *match, const char *name, int namelen)
+{
+ int matchlen;
+
+ /* If the match was just the prefix, we matched */
+ matchlen = strlen(match);
+ if (!matchlen)
+ return MATCHED_RECURSIVELY;
+
+ /*
+ * If we don't match the matchstring exactly,
+ * we need to match by fnmatch
+ */
+ if (strncmp(match, name, matchlen))
+ return !fnmatch(match, name, 0) ? MATCHED_FNMATCH : 0;
+
+ if (!name[matchlen])
+ return MATCHED_EXACTLY;
+ if (match[matchlen-1] == '/' || name[matchlen] == '/')
+ return MATCHED_RECURSIVELY;
+ return 0;
+}
+
+/*
+ * Given a name and a list of pathspecs, see if the name matches
+ * any of the pathspecs. The caller is also interested in seeing
+ * all pathspec matches some names it calls this function with
+ * (otherwise the user could have mistyped the unmatched pathspec),
+ * and a mark is left in seen[] array for pathspec element that
+ * actually matched anything.
+ */
+int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen)
+{
+ int retval;
+ const char *match;
+
+ name += prefix;
+ namelen -= prefix;
+
+ for (retval = 0; (match = *pathspec++) != NULL; seen++) {
+ int how;
+ if (retval && *seen == MATCHED_EXACTLY)
+ continue;
+ match += prefix;
+ how = match_one(match, name, namelen);
+ if (how) {
+ if (retval < how)
+ retval = how;
+ if (*seen < how)
+ *seen = how;
+ }
+ }
+ return retval;
+}
+
void add_exclude(const char *string, const char *base,
int baselen, struct exclude_list *which)
{
x->baselen = baselen;
if (which->nr == which->alloc) {
which->alloc = alloc_nr(which->alloc);
- which->excludes = realloc(which->excludes,
- which->alloc * sizeof(x));
+ which->excludes = xrealloc(which->excludes,
+ which->alloc * sizeof(x));
}
which->excludes[which->nr++] = x;
}
int baselen,
struct exclude_list *which)
{
+ struct stat st;
int fd, i;
long size;
char *buf, *entry;
fd = open(fname, O_RDONLY);
- if (fd < 0)
- goto err;
- size = lseek(fd, 0, SEEK_END);
- if (size < 0)
+ if (fd < 0 || fstat(fd, &st) < 0)
goto err;
- lseek(fd, 0, SEEK_SET);
+ size = st.st_size;
if (size == 0) {
close(fd);
return 0;
}
buf = xmalloc(size+1);
- if (read(fd, buf, size) != size)
+ if (read_in_full(fd, buf, size) != size)
goto err;
close(fd);
return current_nr;
}
-static void pop_exclude_per_directory(struct dir_struct *dir, int stk)
+void pop_exclude_per_directory(struct dir_struct *dir, int stk)
{
struct exclude_list *el = &dir->exclude_list[EXC_DIRS];
return 0;
}
-static void add_name(struct dir_struct *dir, const char *pathname, int len)
+struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len)
{
struct dir_entry *ent;
if (cache_name_pos(pathname, len) >= 0)
- return;
+ return NULL;
if (dir->nr == dir->alloc) {
int alloc = alloc_nr(dir->alloc);
dir->entries = xrealloc(dir->entries, alloc*sizeof(ent));
}
ent = xmalloc(sizeof(*ent) + len + 1);
+ ent->ignored = ent->ignored_dir = 0;
ent->len = len;
memcpy(ent->name, pathname, len);
ent->name[len] = 0;
dir->entries[dir->nr++] = ent;
+ return ent;
}
static int dir_exists(const char *dirname, int len)
* 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)
+static int read_directory_recursive(struct dir_struct *dir, const char *path, const char *base, int baselen, int check_only)
{
DIR *fdir = opendir(path);
int contents = 0;
if (fdir) {
int exclude_stk;
struct dirent *de;
- char fullname[MAXPATHLEN + 1];
+ char fullname[PATH_MAX + 1];
memcpy(fullname, base, baselen);
exclude_stk = push_exclude_per_directory(dir, base, baselen);
switch (DTYPE(de)) {
struct stat st;
- int subdir, rewind_base;
default:
continue;
case DT_UNKNOWN:
case DT_DIR:
memcpy(fullname + baselen + len, "/", 2);
len++;
- rewind_base = dir->nr;
- subdir = read_directory_recursive(dir, fullname, fullname,
- baselen + len);
if (dir->show_other_directories &&
- (subdir || !dir->hide_empty_directories) &&
!dir_exists(fullname, baselen + len)) {
- // Rewind the read subdirectory
- while (dir->nr > rewind_base)
- free(dir->entries[--dir->nr]);
+ if (dir->hide_empty_directories &&
+ !read_directory_recursive(dir,
+ fullname, fullname,
+ baselen + len, 1))
+ continue;
break;
}
- contents += subdir;
+
+ contents += read_directory_recursive(dir,
+ fullname, fullname, baselen + len, 0);
continue;
case DT_REG:
case DT_LNK:
break;
}
- add_name(dir, fullname, baselen + len);
contents++;
+ if (check_only)
+ goto exit_early;
+ else
+ dir_add_name(dir, fullname, baselen + len);
}
+exit_early:
closedir(fdir);
pop_exclude_per_directory(dir, exclude_stk);
int read_directory(struct dir_struct *dir, const char *path, const char *base, int baselen)
{
- read_directory_recursive(dir, path, base, baselen);
+ /*
+ * Make sure to do the per-directory exclude for all the
+ * directories leading up to our base.
+ */
+ if (baselen) {
+ if (dir->exclude_per_dir) {
+ char *p, *pp = xmalloc(baselen+1);
+ memcpy(pp, base, baselen+1);
+ p = pp;
+ while (1) {
+ char save = *p;
+ *p = 0;
+ push_exclude_per_directory(dir, pp, p-pp);
+ *p++ = save;
+ if (!save)
+ break;
+ p = strchr(p, '/');
+ if (p)
+ p++;
+ else
+ p = pp + baselen;
+ }
+ free(pp);
+ }
+ }
+
+ read_directory_recursive(dir, path, base, baselen, 0);
qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
return dir->nr;
}
+
+int
+file_exists(const char *f)
+{
+ struct stat sb;
+ return stat(f, &sb) == 0;
+}