*
* Copyright (C) Linus Torvalds, 2005
*/
-#include <dirent.h>
#include <fnmatch.h>
#include "cache.h"
#include "quote.h"
+#include "dir.h"
#include "builtin.h"
static int abbrev = 0;
static int show_deleted = 0;
static int show_cached = 0;
static int show_others = 0;
-static int show_ignored = 0;
static int show_stage = 0;
static int show_unmerged = 0;
static int show_modified = 0;
static int show_killed = 0;
-static int show_other_directories = 0;
-static int hide_empty_directories = 0;
static int show_valid_bit = 0;
static int line_terminator = '\n';
static int prefix_len = 0, prefix_offset = 0;
-static const char *prefix = NULL;
static const char **pathspec = NULL;
static int error_unmatch = 0;
static char *ps_matched = NULL;
static const char *tag_killed = "";
static const char *tag_modified = "";
-static const char *exclude_per_dir = NULL;
-
-/* 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)
-{
- 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));
- }
- which->excludes[which->nr++] = x;
-}
-
-static int add_excludes_from_file_1(const char *fname,
- const char *base,
- int baselen,
- struct exclude_list *which)
-{
- 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)
- goto err;
- lseek(fd, 0, SEEK_SET);
- if (size == 0) {
- close(fd);
- return 0;
- }
- buf = xmalloc(size+1);
- if (read(fd, buf, size) != size)
- goto err;
- close(fd);
-
- buf[size++] = '\n';
- entry = buf;
- for (i = 0; i < size; i++) {
- if (buf[i] == '\n') {
- if (entry != buf + i && entry[0] != '#') {
- buf[i - (i && buf[i-1] == '\r')] = 0;
- add_exclude(entry, base, baselen, which);
- }
- entry = buf + i + 1;
- }
- }
- return 0;
-
- err:
- if (0 <= fd)
- close(fd);
- return -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 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 (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) implicitly
- * 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;
-}
-
-struct nond_on_fs {
- int len;
- char name[FLEX_ARRAY]; /* more */
-};
-
-static struct nond_on_fs **dir;
-static int nr_dir;
-static int dir_alloc;
-
-static void add_name(const char *pathname, int len)
-{
- struct nond_on_fs *ent;
-
- if (cache_name_pos(pathname, len) >= 0)
- return;
-
- if (nr_dir == dir_alloc) {
- dir_alloc = alloc_nr(dir_alloc);
- dir = xrealloc(dir, dir_alloc*sizeof(ent));
- }
- ent = xmalloc(sizeof(*ent) + len + 1);
- ent->len = len;
- memcpy(ent->name, pathname, len);
- ent->name[len] = 0;
- dir[nr_dir++] = ent;
-}
-
-static int dir_exists(const char *dirname, int len)
-{
- int pos = cache_name_pos(dirname, len);
- if (pos >= 0)
- return 1;
- pos = -pos-1;
- if (pos >= active_nr) /* can't */
- return 0;
- return !strncmp(active_cache[pos]->name, dirname, len);
-}
-
-/*
- * Read a directory tree. We currently ignore anything but
- * directories, regular files and symlinks. That's because git
- * doesn't handle them at all yet. Maybe that will change some
- * day.
- *
- * Also, we ignore the name ".git" (even if it is not a directory).
- * That likely will not change.
- */
-static int read_directory(const char *path, const char *base, int baselen)
-{
- DIR *fdir = opendir(path);
- int contents = 0;
-
- if (fdir) {
- 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(fdir)) != NULL) {
- int len;
-
- if ((de->d_name[0] == '.') &&
- (de->d_name[1] == 0 ||
- !strcmp(de->d_name + 1, ".") ||
- !strcmp(de->d_name + 1, "git")))
- continue;
- len = strlen(de->d_name);
- memcpy(fullname + baselen, de->d_name, len+1);
- if (excluded(fullname) != show_ignored) {
- if (!show_ignored || DTYPE(de) != DT_DIR) {
- continue;
- }
- }
-
- switch (DTYPE(de)) {
- struct stat st;
- int subdir, rewind_base;
- default:
- continue;
- case DT_UNKNOWN:
- if (lstat(fullname, &st))
- continue;
- if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
- break;
- if (!S_ISDIR(st.st_mode))
- continue;
- /* fallthrough */
- case DT_DIR:
- memcpy(fullname + baselen + len, "/", 2);
- len++;
- rewind_base = nr_dir;
- subdir = read_directory(fullname, fullname,
- baselen + len);
- if (show_other_directories &&
- (subdir || !hide_empty_directories) &&
- !dir_exists(fullname, baselen + len)) {
- // Rewind the read subdirectory
- while (nr_dir > rewind_base)
- free(dir[--nr_dir]);
- break;
- }
- contents += subdir;
- continue;
- case DT_REG:
- case DT_LNK:
- break;
- }
- add_name(fullname, baselen + len);
- contents++;
- }
- closedir(fdir);
-
- pop_exclude_per_directory(exclude_stk);
- }
-
- return contents;
-}
-
-static int cmp_name(const void *p1, const void *p2)
-{
- const struct nond_on_fs *e1 = *(const struct nond_on_fs **)p1;
- const struct nond_on_fs *e2 = *(const struct nond_on_fs **)p2;
-
- return cache_name_compare(e1->name, e1->len,
- e2->name, e2->len);
-}
/*
* Match a pathspec against a filename. The first "len" characters
return 0;
}
-static void show_dir_entry(const char *tag, struct nond_on_fs *ent)
+static void show_dir_entry(const char *tag, struct dir_entry *ent)
{
int len = prefix_len;
int offset = prefix_offset;
putchar(line_terminator);
}
-static void show_other_files(void)
+static void show_other_files(struct dir_struct *dir)
{
int i;
- for (i = 0; i < nr_dir; i++) {
+ for (i = 0; i < dir->nr; i++) {
/* We should not have a matching entry, but we
* may have an unmerged entry for this path.
*/
- struct nond_on_fs *ent = dir[i];
+ struct dir_entry *ent = dir->entries[i];
int pos = cache_name_pos(ent->name, ent->len);
struct cache_entry *ce;
if (0 <= pos)
}
}
-static void show_killed_files(void)
+static void show_killed_files(struct dir_struct *dir)
{
int i;
- for (i = 0; i < nr_dir; i++) {
- struct nond_on_fs *ent = dir[i];
+ for (i = 0; i < dir->nr; i++) {
+ struct dir_entry *ent = dir->entries[i];
char *cp, *sp;
int pos, len, killed = 0;
}
}
if (killed)
- show_dir_entry(tag_killed, dir[i]);
+ show_dir_entry(tag_killed, dir->entries[i]);
}
}
}
}
-static void show_files(void)
+static void show_files(struct dir_struct *dir, const char *prefix)
{
int i;
const char *path = ".", *base = "";
int baselen = prefix_len;
- if (baselen) {
+ if (baselen)
path = base = prefix;
- if (exclude_per_dir) {
- char *p, *pp = xmalloc(baselen+1);
- memcpy(pp, prefix, baselen+1);
- p = pp;
- while (1) {
- char save = *p;
- *p = 0;
- push_exclude_per_directory(pp, p-pp);
- *p++ = save;
- if (!save)
- break;
- p = strchr(p, '/');
- if (p)
- p++;
- else
- p = pp + baselen;
- }
- free(pp);
- }
- }
- read_directory(path, base, baselen);
- qsort(dir, nr_dir, sizeof(struct nond_on_fs *), cmp_name);
+ read_directory(dir, path, base, baselen);
if (show_others)
- show_other_files();
+ show_other_files(dir);
if (show_killed)
- show_killed_files();
+ show_killed_files(dir);
}
if (show_cached | show_stage) {
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
- if (excluded(ce->name) != show_ignored)
+ if (excluded(dir, ce->name) != dir->show_ignored)
continue;
if (show_unmerged && !ce_stage(ce))
continue;
struct cache_entry *ce = active_cache[i];
struct stat st;
int err;
- if (excluded(ce->name) != show_ignored)
+ if (excluded(dir, ce->name) != dir->show_ignored)
continue;
err = lstat(ce->name, &st);
if (show_deleted && err)
/*
* Prune the index to only contain stuff starting with "prefix"
*/
-static void prune_cache(void)
+static void prune_cache(const char *prefix)
{
int pos = cache_name_pos(prefix, prefix_len);
unsigned int first, last;
active_nr = last;
}
-static void verify_pathspec(void)
+static const char *verify_pathspec(const char *prefix)
{
const char **p, *n, *prev;
char *real_prefix;
memcpy(real_prefix, prev, max);
real_prefix[max] = 0;
}
- prefix = real_prefix;
+ return real_prefix;
}
static const char ls_files_usage[] =
"[ --exclude-per-directory=<filename> ] [--full-name] [--abbrev] "
"[--] [<file>]*";
-int cmd_ls_files(int argc, const char **argv, char** envp)
+int cmd_ls_files(int argc, const char **argv, const char *prefix)
{
int i;
int exc_given = 0;
+ struct dir_struct dir;
- prefix = setup_git_directory();
+ memset(&dir, 0, sizeof(dir));
if (prefix)
prefix_offset = strlen(prefix);
git_config(git_default_config);
continue;
}
if (!strcmp(arg, "-i") || !strcmp(arg, "--ignored")) {
- show_ignored = 1;
+ dir.show_ignored = 1;
continue;
}
if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) {
continue;
}
if (!strcmp(arg, "--directory")) {
- show_other_directories = 1;
+ dir.show_other_directories = 1;
continue;
}
if (!strcmp(arg, "--no-empty-directory")) {
- hide_empty_directories = 1;
+ dir.hide_empty_directories = 1;
continue;
}
if (!strcmp(arg, "-u") || !strcmp(arg, "--unmerged")) {
}
if (!strcmp(arg, "-x") && i+1 < argc) {
exc_given = 1;
- add_exclude(argv[++i], "", 0, &exclude_list[EXC_CMDL]);
+ add_exclude(argv[++i], "", 0, &dir.exclude_list[EXC_CMDL]);
continue;
}
if (!strncmp(arg, "--exclude=", 10)) {
exc_given = 1;
- add_exclude(arg+10, "", 0, &exclude_list[EXC_CMDL]);
+ add_exclude(arg+10, "", 0, &dir.exclude_list[EXC_CMDL]);
continue;
}
if (!strcmp(arg, "-X") && i+1 < argc) {
exc_given = 1;
- add_excludes_from_file(argv[++i]);
+ add_excludes_from_file(&dir, argv[++i]);
continue;
}
if (!strncmp(arg, "--exclude-from=", 15)) {
exc_given = 1;
- add_excludes_from_file(arg+15);
+ add_excludes_from_file(&dir, arg+15);
continue;
}
if (!strncmp(arg, "--exclude-per-directory=", 24)) {
exc_given = 1;
- exclude_per_dir = arg + 24;
+ dir.exclude_per_dir = arg + 24;
continue;
}
if (!strcmp(arg, "--full-name")) {
/* Verify that the pathspec matches the prefix */
if (pathspec)
- verify_pathspec();
+ prefix = verify_pathspec(prefix);
/* Treat unmatching pathspec elements as errors */
if (pathspec && error_unmatch) {
ps_matched = xcalloc(1, num);
}
- if (show_ignored && !exc_given) {
+ if (dir.show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
argv[0]);
exit(1);
read_cache();
if (prefix)
- prune_cache();
- show_files();
+ prune_cache(prefix);
+ show_files(&dir, prefix);
if (ps_matched) {
/* We need to make sure all pathspec matched otherwise