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/*
* 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 <sys/param.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 line_terminator = '\n';
static const char **dir;
static int nr_dir;
static int dir_alloc;
static void add_name(const char *pathname, int len)
{
char *name;
if (cache_name_pos(pathname, len) >= 0)
return;
if (nr_dir == dir_alloc) {
dir_alloc = alloc_nr(dir_alloc);
dir = realloc(dir, dir_alloc*sizeof(char *));
}
name = malloc(len + 1);
memcpy(name, pathname, len + 1);
dir[nr_dir++] = name;
}
/*
* Read a directory tree. We currently ignore anything but
* directories and regular files. 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;
len = strlen(de->d_name);
memcpy(fullname + baselen, de->d_name, len+1);
switch (de->d_type) {
struct stat st;
default:
continue;
case DT_UNKNOWN:
if (lstat(fullname, &st))
continue;
if (S_ISREG(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:
break;
}
add_name(fullname, baselen + len);
}
closedir(dir);
}
}
static int cmp_name(const void *p1, const void *p2)
{
const char *n1 = *(const char **)p1;
const char *n2 = *(const char **)p2;
int l1 = strlen(n1), l2 = strlen(n2);
return cache_name_compare(n1, l1, n2, l2);
}
static void show_files(void)
{
int i;
/* For cached/deleted files we don't need to even do the readdir */
if (show_others | show_ignored) {
read_directory(".", "", 0);
qsort(dir, nr_dir, sizeof(char *), cmp_name);
}
if (show_others) {
for (i = 0; i < nr_dir; i++)
printf("%s%c", dir[i], line_terminator);
}
if (show_cached | show_stage) {
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
if (show_unmerged && !ce_stage(ce))
continue;
if (!show_stage)
printf("%s%c", ce->name, line_terminator);
else
printf(/* "%06o %s %d %10d %s%c", */
"%06o %s %d %s%c",
ntohl(ce->ce_mode),
sha1_to_hex(ce->sha1),
ce_stage(ce),
/* ntohl(ce->ce_size), */
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 (!stat(ce->name, &st))
continue;
printf("%s%c", ce->name, line_terminator);
}
}
if (show_ignored) {
/* We don't have any "ignore" list yet */
}
}
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;
continue;
}
if (!strcmp(arg, "--cached")) {
show_cached = 1;
continue;
}
if (!strcmp(arg, "--deleted")) {
show_deleted = 1;
continue;
}
if (!strcmp(arg, "--others")) {
show_others = 1;
continue;
}
if (!strcmp(arg, "--ignored")) {
show_ignored = 1;
continue;
}
if (!strcmp(arg, "--stage")) {
show_stage = 1;
continue;
}
if (!strcmp(arg, "--unmerged")) {
// There's no point in showing unmerged unless you also show the stage information
show_stage = 1;
show_unmerged = 1;
continue;
}
usage("show-files [-z] (--[cached|deleted|others|ignored|stage])*");
}
/* With no flags, we default to showing the cached files */
if (!(show_stage | show_deleted | show_others | show_ignored | show_unmerged))
show_cached = 1;
read_cache();
show_files();
return 0;
}
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