static const char *tag_other = "";
static const char *tag_killed = "";
-static int nr_excludes;
-static const char **excludes;
-static int excludes_alloc;
+static char *exclude_per_dir = NULL;
-static void add_exclude(const char *string)
+/* We maintain three exclude pattern lists:
+ * EXC_CMDL lists patterns explicitly given on the command line.
+ * EXC_DIRS lists patterns obtained from per-directory ignore files.
+ * EXC_FILE lists patterns from fallback ignore files.
+ */
+#define EXC_CMDL 0
+#define EXC_DIRS 1
+#define EXC_FILE 2
+static struct exclude_list {
+ int nr;
+ int alloc;
+ struct exclude {
+ const char *pattern;
+ const char *base;
+ int baselen;
+ } **excludes;
+} exclude_list[3];
+
+static void add_exclude(const char *string, const char *base,
+ int baselen, struct exclude_list *which)
{
- if (nr_excludes == excludes_alloc) {
- excludes_alloc = alloc_nr(excludes_alloc);
- excludes = realloc(excludes, excludes_alloc*sizeof(char *));
+ struct exclude *x = xmalloc(sizeof (*x));
+
+ x->pattern = string;
+ x->base = base;
+ x->baselen = baselen;
+ if (which->nr == which->alloc) {
+ which->alloc = alloc_nr(which->alloc);
+ which->excludes = realloc(which->excludes,
+ which->alloc * sizeof(x));
}
- excludes[nr_excludes++] = string;
+ which->excludes[which->nr++] = x;
}
-static void add_excludes_from_file(const char *fname)
+static int add_excludes_from_file_1(const char *fname,
+ const char *base,
+ int baselen,
+ struct exclude_list *which)
{
int fd, i;
long size;
lseek(fd, 0, SEEK_SET);
if (size == 0) {
close(fd);
- return;
+ return 0;
}
buf = xmalloc(size);
if (read(fd, buf, size) != size)
entry = buf;
for (i = 0; i < size; i++) {
if (buf[i] == '\n') {
- if (entry != buf + i) {
+ if (entry != buf + i && entry[0] != '#') {
buf[i] = 0;
- add_exclude(entry);
+ add_exclude(entry, base, baselen, which);
}
entry = buf + i + 1;
}
}
- return;
+ return 0;
+
+ err:
+ if (0 <= fd)
+ close(fd);
+ return -1;
+}
-err: perror(fname);
- exit(1);
+static void add_excludes_from_file(const char *fname)
+{
+ if (add_excludes_from_file_1(fname, "", 0,
+ &exclude_list[EXC_FILE]) < 0)
+ die("cannot use %s as an exclude file", fname);
}
-static int excluded(const char *pathname)
+static int push_exclude_per_directory(const char *base, int baselen)
+{
+ char exclude_file[PATH_MAX];
+ struct exclude_list *el = &exclude_list[EXC_DIRS];
+ int current_nr = el->nr;
+
+ if (exclude_per_dir) {
+ memcpy(exclude_file, base, baselen);
+ strcpy(exclude_file + baselen, exclude_per_dir);
+ add_excludes_from_file_1(exclude_file, base, baselen, el);
+ }
+ return current_nr;
+}
+
+static void pop_exclude_per_directory(int stk)
+{
+ struct exclude_list *el = &exclude_list[EXC_DIRS];
+
+ while (stk < el->nr)
+ free(el->excludes[--el->nr]);
+}
+
+/* Scan the list and let the last match determines the fate.
+ * Return 1 for exclude, 0 for include and -1 for undecided.
+ */
+static int excluded_1(const char *pathname,
+ int pathlen,
+ struct exclude_list *el)
{
int i;
- if (nr_excludes) {
- const char *basename = strrchr(pathname, '/');
- basename = (basename) ? basename+1 : pathname;
- for (i = 0; i < nr_excludes; i++)
- if (fnmatch(excludes[i], basename, 0) == 0)
- return 1;
+
+ if (el->nr) {
+ for (i = el->nr - 1; 0 <= i; i--) {
+ struct exclude *x = el->excludes[i];
+ const char *exclude = x->pattern;
+ int to_exclude = 1;
+
+ if (*exclude == '!') {
+ to_exclude = 0;
+ exclude++;
+ }
+
+ if (!strchr(exclude, '/')) {
+ /* match basename */
+ const char *basename = strrchr(pathname, '/');
+ basename = (basename) ? basename+1 : pathname;
+ if (fnmatch(exclude, basename, 0) == 0)
+ return to_exclude;
+ }
+ else {
+ /* match with FNM_PATHNAME:
+ * exclude has base (baselen long) inplicitly
+ * in front of it.
+ */
+ int baselen = x->baselen;
+ if (*exclude == '/')
+ exclude++;
+
+ if (pathlen < baselen ||
+ (baselen && pathname[baselen-1] != '/') ||
+ strncmp(pathname, x->base, baselen))
+ continue;
+
+ if (fnmatch(exclude, pathname+baselen,
+ FNM_PATHNAME) == 0)
+ return to_exclude;
+ }
+ }
+ }
+ return -1; /* undecided */
+}
+
+static int excluded(const char *pathname)
+{
+ int pathlen = strlen(pathname);
+ int st;
+
+ for (st = EXC_CMDL; st <= EXC_FILE; st++) {
+ switch (excluded_1(pathname, pathlen, &exclude_list[st])) {
+ case 0:
+ return 0;
+ case 1:
+ return 1;
+ }
}
return 0;
}
* doesn't handle them at all yet. Maybe that will change some
* day.
*
- * Also, we currently ignore all names starting with a dot.
+ * Also, we ignore the name ".git" (even if it is not a directory).
* That likely will not change.
*/
static void read_directory(const char *path, const char *base, int baselen)
DIR *dir = opendir(path);
if (dir) {
+ int exclude_stk;
struct dirent *de;
char fullname[MAXPATHLEN + 1];
memcpy(fullname, base, baselen);
+ exclude_stk = push_exclude_per_directory(base, baselen);
+
while ((de = readdir(dir)) != NULL) {
int len;
!strcmp(de->d_name + 1, ".") ||
!strcmp(de->d_name + 1, "git")))
continue;
- if (excluded(de->d_name) != show_ignored)
- continue;
len = strlen(de->d_name);
memcpy(fullname + baselen, de->d_name, len+1);
+ if (excluded(fullname) != show_ignored)
+ continue;
switch (DTYPE(de)) {
struct stat st;
add_name(fullname, baselen + len);
}
closedir(dir);
+
+ pop_exclude_per_directory(exclude_stk);
}
}
}
}
-static const char *ls_files_usage =
+static const char ls_files_usage[] =
"git-ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged|killed])* "
- "[ --ignored [--exclude=<pattern>] [--exclude-from=<file>) ]";
+ "[ --ignored ] [--exclude=<pattern>] [--exclude-from=<file>] "
+ "[ --exclude-per-directory=<filename> ]";
int main(int argc, char **argv)
{
int i;
+ int exc_given = 0;
for (i = 1; i < argc; i++) {
char *arg = argv[i];
show_stage = 1;
show_unmerged = 1;
} else if (!strcmp(arg, "-x") && i+1 < argc) {
- add_exclude(argv[++i]);
+ exc_given = 1;
+ add_exclude(argv[++i], "", 0, &exclude_list[EXC_CMDL]);
} else if (!strncmp(arg, "--exclude=", 10)) {
- add_exclude(arg+10);
+ exc_given = 1;
+ add_exclude(arg+10, "", 0, &exclude_list[EXC_CMDL]);
} else if (!strcmp(arg, "-X") && i+1 < argc) {
+ exc_given = 1;
add_excludes_from_file(argv[++i]);
} else if (!strncmp(arg, "--exclude-from=", 15)) {
+ exc_given = 1;
add_excludes_from_file(arg+15);
+ } else if (!strncmp(arg, "--exclude-per-directory=", 24)) {
+ exc_given = 1;
+ exclude_per_dir = arg + 24;
} else
usage(ls_files_usage);
}
- if (show_ignored && !nr_excludes) {
+ if (show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
argv[0]);
exit(1);
projects / git.git / blobdiff