зеркало из https://github.com/microsoft/git.git
348 строки
8.2 KiB
C
348 строки
8.2 KiB
C
/*
|
|
* This merges the file listing in the directory cache index
|
|
* with the actual working directory list, and shows different
|
|
* combinations of the two.
|
|
*
|
|
* Copyright (C) Linus Torvalds, 2005
|
|
*/
|
|
#include <dirent.h>
|
|
#include <fnmatch.h>
|
|
|
|
#include "cache.h"
|
|
|
|
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_killed = 0;
|
|
static int line_terminator = '\n';
|
|
|
|
static const char *tag_cached = "";
|
|
static const char *tag_unmerged = "";
|
|
static const char *tag_removed = "";
|
|
static const char *tag_other = "";
|
|
static const char *tag_killed = "";
|
|
|
|
static int nr_excludes;
|
|
static const char **excludes;
|
|
static int excludes_alloc;
|
|
|
|
static void add_exclude(const char *string)
|
|
{
|
|
if (nr_excludes == excludes_alloc) {
|
|
excludes_alloc = alloc_nr(excludes_alloc);
|
|
excludes = realloc(excludes, excludes_alloc*sizeof(char *));
|
|
}
|
|
excludes[nr_excludes++] = string;
|
|
}
|
|
|
|
static void add_excludes_from_file(const char *fname)
|
|
{
|
|
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;
|
|
}
|
|
buf = xmalloc(size);
|
|
if (read(fd, buf, size) != size)
|
|
goto err;
|
|
close(fd);
|
|
|
|
entry = buf;
|
|
for (i = 0; i < size; i++) {
|
|
if (buf[i] == '\n') {
|
|
if (entry != buf + i) {
|
|
buf[i] = 0;
|
|
add_exclude(entry);
|
|
}
|
|
entry = buf + i + 1;
|
|
}
|
|
}
|
|
return;
|
|
|
|
err: perror(fname);
|
|
exit(1);
|
|
}
|
|
|
|
static int excluded(const char *pathname)
|
|
{
|
|
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;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
struct nond_on_fs {
|
|
int len;
|
|
char name[0];
|
|
};
|
|
|
|
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);
|
|
dir[nr_dir++] = ent;
|
|
}
|
|
|
|
/*
|
|
* 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 currently ignore all names starting with a dot.
|
|
* That likely will not change.
|
|
*/
|
|
static void read_directory(const char *path, const char *base, int baselen)
|
|
{
|
|
DIR *dir = opendir(path);
|
|
|
|
if (dir) {
|
|
struct dirent *de;
|
|
char fullname[MAXPATHLEN + 1];
|
|
memcpy(fullname, base, baselen);
|
|
|
|
while ((de = readdir(dir)) != NULL) {
|
|
int len;
|
|
|
|
if (de->d_name[0] == '.')
|
|
continue;
|
|
if (excluded(de->d_name) != show_ignored)
|
|
continue;
|
|
len = strlen(de->d_name);
|
|
memcpy(fullname + baselen, de->d_name, len+1);
|
|
|
|
switch (DTYPE(de)) {
|
|
struct stat st;
|
|
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);
|
|
read_directory(fullname, fullname,
|
|
baselen + len + 1);
|
|
continue;
|
|
case DT_REG:
|
|
case DT_LNK:
|
|
break;
|
|
}
|
|
add_name(fullname, baselen + len);
|
|
}
|
|
closedir(dir);
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void show_killed_files(void)
|
|
{
|
|
int i;
|
|
for (i = 0; i < nr_dir; i++) {
|
|
struct nond_on_fs *ent = dir[i];
|
|
char *cp, *sp;
|
|
int pos, len, killed = 0;
|
|
|
|
for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) {
|
|
sp = strchr(cp, '/');
|
|
if (!sp) {
|
|
/* If ent->name is prefix of an entry in the
|
|
* cache, it will be killed.
|
|
*/
|
|
pos = cache_name_pos(ent->name, ent->len);
|
|
if (0 <= pos)
|
|
die("bug in show-killed-files");
|
|
pos = -pos - 1;
|
|
while (pos < active_nr &&
|
|
ce_stage(active_cache[pos]))
|
|
pos++; /* skip unmerged */
|
|
if (active_nr <= pos)
|
|
break;
|
|
/* pos points at a name immediately after
|
|
* ent->name in the cache. Does it expect
|
|
* ent->name to be a directory?
|
|
*/
|
|
len = ce_namelen(active_cache[pos]);
|
|
if ((ent->len < len) &&
|
|
!strncmp(active_cache[pos]->name,
|
|
ent->name, ent->len) &&
|
|
active_cache[pos]->name[ent->len] == '/')
|
|
killed = 1;
|
|
break;
|
|
}
|
|
if (0 <= cache_name_pos(ent->name, sp - ent->name)) {
|
|
/* If any of the leading directories in
|
|
* ent->name is registered in the cache,
|
|
* ent->name will be killed.
|
|
*/
|
|
killed = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (killed)
|
|
printf("%s%.*s%c", tag_killed,
|
|
dir[i]->len, dir[i]->name,
|
|
line_terminator);
|
|
}
|
|
}
|
|
|
|
static void show_files(void)
|
|
{
|
|
int i;
|
|
|
|
/* For cached/deleted files we don't need to even do the readdir */
|
|
if (show_others || show_killed) {
|
|
read_directory(".", "", 0);
|
|
qsort(dir, nr_dir, sizeof(struct nond_on_fs *), cmp_name);
|
|
if (show_others)
|
|
for (i = 0; i < nr_dir; i++)
|
|
printf("%s%.*s%c", tag_other,
|
|
dir[i]->len, dir[i]->name,
|
|
line_terminator);
|
|
if (show_killed)
|
|
show_killed_files();
|
|
}
|
|
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)
|
|
continue;
|
|
if (show_unmerged && !ce_stage(ce))
|
|
continue;
|
|
if (!show_stage)
|
|
printf("%s%s%c",
|
|
ce_stage(ce) ? tag_unmerged :
|
|
tag_cached,
|
|
ce->name, line_terminator);
|
|
else
|
|
printf("%s%06o %s %d %s%c",
|
|
ce_stage(ce) ? tag_unmerged :
|
|
tag_cached,
|
|
ntohl(ce->ce_mode),
|
|
sha1_to_hex(ce->sha1),
|
|
ce_stage(ce),
|
|
ce->name, line_terminator);
|
|
}
|
|
}
|
|
if (show_deleted) {
|
|
for (i = 0; i < active_nr; i++) {
|
|
struct cache_entry *ce = active_cache[i];
|
|
struct stat st;
|
|
if (excluded(ce->name) != show_ignored)
|
|
continue;
|
|
if (!lstat(ce->name, &st))
|
|
continue;
|
|
printf("%s%s%c", tag_removed, ce->name,
|
|
line_terminator);
|
|
}
|
|
}
|
|
}
|
|
|
|
static const char *ls_files_usage =
|
|
"git-ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged|killed])* "
|
|
"[ --ignored [--exclude=<pattern>] [--exclude-from=<file>) ]";
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
char *arg = argv[i];
|
|
|
|
if (!strcmp(arg, "-z")) {
|
|
line_terminator = 0;
|
|
} else if (!strcmp(arg, "-t")) {
|
|
tag_cached = "H ";
|
|
tag_unmerged = "M ";
|
|
tag_removed = "R ";
|
|
tag_other = "? ";
|
|
tag_killed = "K ";
|
|
} else if (!strcmp(arg, "-c") || !strcmp(arg, "--cached")) {
|
|
show_cached = 1;
|
|
} else if (!strcmp(arg, "-d") || !strcmp(arg, "--deleted")) {
|
|
show_deleted = 1;
|
|
} else if (!strcmp(arg, "-o") || !strcmp(arg, "--others")) {
|
|
show_others = 1;
|
|
} else if (!strcmp(arg, "-i") || !strcmp(arg, "--ignored")) {
|
|
show_ignored = 1;
|
|
} else if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) {
|
|
show_stage = 1;
|
|
} else if (!strcmp(arg, "-k") || !strcmp(arg, "--killed")) {
|
|
show_killed = 1;
|
|
} else if (!strcmp(arg, "-u") || !strcmp(arg, "--unmerged")) {
|
|
/* There's no point in showing unmerged unless
|
|
* you also show the stage information.
|
|
*/
|
|
show_stage = 1;
|
|
show_unmerged = 1;
|
|
} else if (!strcmp(arg, "-x") && i+1 < argc) {
|
|
add_exclude(argv[++i]);
|
|
} else if (!strncmp(arg, "--exclude=", 10)) {
|
|
add_exclude(arg+10);
|
|
} else if (!strcmp(arg, "-X") && i+1 < argc) {
|
|
add_excludes_from_file(argv[++i]);
|
|
} else if (!strncmp(arg, "--exclude-from=", 15)) {
|
|
add_excludes_from_file(arg+15);
|
|
} else
|
|
usage(ls_files_usage);
|
|
}
|
|
|
|
if (show_ignored && !nr_excludes) {
|
|
fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
|
|
argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
/* With no flags, we default to showing the cached files */
|
|
if (!(show_stage | show_deleted | show_others | show_unmerged | show_killed))
|
|
show_cached = 1;
|
|
|
|
read_cache();
|
|
show_files();
|
|
return 0;
|
|
}
|