зеркало из https://github.com/microsoft/git.git
509 строки
12 KiB
C
509 строки
12 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 "cache.h"
|
|
#include "quote.h"
|
|
#include "dir.h"
|
|
#include "builtin.h"
|
|
|
|
static int abbrev;
|
|
static int show_deleted;
|
|
static int show_cached;
|
|
static int show_others;
|
|
static int show_stage;
|
|
static int show_unmerged;
|
|
static int show_modified;
|
|
static int show_killed;
|
|
static int show_valid_bit;
|
|
static int line_terminator = '\n';
|
|
|
|
static int prefix_len;
|
|
static int prefix_offset;
|
|
static const char **pathspec;
|
|
static int error_unmatch;
|
|
static char *ps_matched;
|
|
|
|
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 const char *tag_modified = "";
|
|
|
|
|
|
/*
|
|
* Match a pathspec against a filename. The first "len" characters
|
|
* are the common prefix
|
|
*/
|
|
static int match(const char **spec, char *ps_matched,
|
|
const char *filename, int len)
|
|
{
|
|
const char *m;
|
|
|
|
while ((m = *spec++) != NULL) {
|
|
int matchlen = strlen(m + len);
|
|
|
|
if (!matchlen)
|
|
goto matched;
|
|
if (!strncmp(m + len, filename + len, matchlen)) {
|
|
if (m[len + matchlen - 1] == '/')
|
|
goto matched;
|
|
switch (filename[len + matchlen]) {
|
|
case '/': case '\0':
|
|
goto matched;
|
|
}
|
|
}
|
|
if (!fnmatch(m + len, filename + len, 0))
|
|
goto matched;
|
|
if (ps_matched)
|
|
ps_matched++;
|
|
continue;
|
|
matched:
|
|
if (ps_matched)
|
|
*ps_matched = 1;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void show_dir_entry(const char *tag, struct dir_entry *ent)
|
|
{
|
|
int len = prefix_len;
|
|
int offset = prefix_offset;
|
|
|
|
if (len >= ent->len)
|
|
die("git-ls-files: internal error - directory entry not superset of prefix");
|
|
|
|
if (pathspec && !match(pathspec, ps_matched, ent->name, len))
|
|
return;
|
|
|
|
fputs(tag, stdout);
|
|
write_name_quoted("", 0, ent->name + offset, line_terminator, stdout);
|
|
putchar(line_terminator);
|
|
}
|
|
|
|
static void show_other_files(struct dir_struct *dir)
|
|
{
|
|
int 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 dir_entry *ent = dir->entries[i];
|
|
int pos = cache_name_pos(ent->name, ent->len);
|
|
struct cache_entry *ce;
|
|
if (0 <= pos)
|
|
die("bug in show-other-files");
|
|
pos = -pos - 1;
|
|
if (pos < active_nr) {
|
|
ce = active_cache[pos];
|
|
if (ce_namelen(ce) == ent->len &&
|
|
!memcmp(ce->name, ent->name, ent->len))
|
|
continue; /* Yup, this one exists unmerged */
|
|
}
|
|
show_dir_entry(tag_other, ent);
|
|
}
|
|
}
|
|
|
|
static void show_killed_files(struct dir_struct *dir)
|
|
{
|
|
int i;
|
|
for (i = 0; i < dir->nr; i++) {
|
|
struct dir_entry *ent = dir->entries[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)
|
|
show_dir_entry(tag_killed, dir->entries[i]);
|
|
}
|
|
}
|
|
|
|
static void show_ce_entry(const char *tag, struct cache_entry *ce)
|
|
{
|
|
int len = prefix_len;
|
|
int offset = prefix_offset;
|
|
|
|
if (len >= ce_namelen(ce))
|
|
die("git-ls-files: internal error - cache entry not superset of prefix");
|
|
|
|
if (pathspec && !match(pathspec, ps_matched, ce->name, len))
|
|
return;
|
|
|
|
if (tag && *tag && show_valid_bit &&
|
|
(ce->ce_flags & htons(CE_VALID))) {
|
|
static char alttag[4];
|
|
memcpy(alttag, tag, 3);
|
|
if (isalpha(tag[0]))
|
|
alttag[0] = tolower(tag[0]);
|
|
else if (tag[0] == '?')
|
|
alttag[0] = '!';
|
|
else {
|
|
alttag[0] = 'v';
|
|
alttag[1] = tag[0];
|
|
alttag[2] = ' ';
|
|
alttag[3] = 0;
|
|
}
|
|
tag = alttag;
|
|
}
|
|
|
|
if (!show_stage) {
|
|
fputs(tag, stdout);
|
|
write_name_quoted("", 0, ce->name + offset,
|
|
line_terminator, stdout);
|
|
putchar(line_terminator);
|
|
}
|
|
else {
|
|
printf("%s%06o %s %d\t",
|
|
tag,
|
|
ntohl(ce->ce_mode),
|
|
abbrev ? find_unique_abbrev(ce->sha1,abbrev)
|
|
: sha1_to_hex(ce->sha1),
|
|
ce_stage(ce));
|
|
write_name_quoted("", 0, ce->name + offset,
|
|
line_terminator, stdout);
|
|
putchar(line_terminator);
|
|
}
|
|
}
|
|
|
|
static void show_files(struct dir_struct *dir, const char *prefix)
|
|
{
|
|
int i;
|
|
|
|
/* For cached/deleted files we don't need to even do the readdir */
|
|
if (show_others || show_killed) {
|
|
const char *path = ".", *base = "";
|
|
int baselen = prefix_len;
|
|
|
|
if (baselen)
|
|
path = base = prefix;
|
|
read_directory(dir, path, base, baselen);
|
|
if (show_others)
|
|
show_other_files(dir);
|
|
if (show_killed)
|
|
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(dir, ce->name) != dir->show_ignored)
|
|
continue;
|
|
if (show_unmerged && !ce_stage(ce))
|
|
continue;
|
|
show_ce_entry(ce_stage(ce) ? tag_unmerged : tag_cached, ce);
|
|
}
|
|
}
|
|
if (show_deleted | show_modified) {
|
|
for (i = 0; i < active_nr; i++) {
|
|
struct cache_entry *ce = active_cache[i];
|
|
struct stat st;
|
|
int err;
|
|
if (excluded(dir, ce->name) != dir->show_ignored)
|
|
continue;
|
|
err = lstat(ce->name, &st);
|
|
if (show_deleted && err)
|
|
show_ce_entry(tag_removed, ce);
|
|
if (show_modified && ce_modified(ce, &st, 0))
|
|
show_ce_entry(tag_modified, ce);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Prune the index to only contain stuff starting with "prefix"
|
|
*/
|
|
static void prune_cache(const char *prefix)
|
|
{
|
|
int pos = cache_name_pos(prefix, prefix_len);
|
|
unsigned int first, last;
|
|
|
|
if (pos < 0)
|
|
pos = -pos-1;
|
|
active_cache += pos;
|
|
active_nr -= pos;
|
|
first = 0;
|
|
last = active_nr;
|
|
while (last > first) {
|
|
int next = (last + first) >> 1;
|
|
struct cache_entry *ce = active_cache[next];
|
|
if (!strncmp(ce->name, prefix, prefix_len)) {
|
|
first = next+1;
|
|
continue;
|
|
}
|
|
last = next;
|
|
}
|
|
active_nr = last;
|
|
}
|
|
|
|
static const char *verify_pathspec(const char *prefix)
|
|
{
|
|
const char **p, *n, *prev;
|
|
char *real_prefix;
|
|
unsigned long max;
|
|
|
|
prev = NULL;
|
|
max = PATH_MAX;
|
|
for (p = pathspec; (n = *p) != NULL; p++) {
|
|
int i, len = 0;
|
|
for (i = 0; i < max; i++) {
|
|
char c = n[i];
|
|
if (prev && prev[i] != c)
|
|
break;
|
|
if (!c || c == '*' || c == '?')
|
|
break;
|
|
if (c == '/')
|
|
len = i+1;
|
|
}
|
|
prev = n;
|
|
if (len < max) {
|
|
max = len;
|
|
if (!max)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (prefix_offset > max || memcmp(prev, prefix, prefix_offset))
|
|
die("git-ls-files: cannot generate relative filenames containing '..'");
|
|
|
|
real_prefix = NULL;
|
|
prefix_len = max;
|
|
if (max) {
|
|
real_prefix = xmalloc(max + 1);
|
|
memcpy(real_prefix, prev, max);
|
|
real_prefix[max] = 0;
|
|
}
|
|
return real_prefix;
|
|
}
|
|
|
|
static const char ls_files_usage[] =
|
|
"git-ls-files [-z] [-t] [-v] (--[cached|deleted|others|stage|unmerged|killed|modified])* "
|
|
"[ --ignored ] [--exclude=<pattern>] [--exclude-from=<file>] "
|
|
"[ --exclude-per-directory=<filename> ] [--full-name] [--abbrev] "
|
|
"[--] [<file>]*";
|
|
|
|
int cmd_ls_files(int argc, const char **argv, const char *prefix)
|
|
{
|
|
int i;
|
|
int exc_given = 0, require_work_tree = 0;
|
|
struct dir_struct dir;
|
|
|
|
memset(&dir, 0, sizeof(dir));
|
|
if (prefix)
|
|
prefix_offset = strlen(prefix);
|
|
git_config(git_default_config);
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
const char *arg = argv[i];
|
|
|
|
if (!strcmp(arg, "--")) {
|
|
i++;
|
|
break;
|
|
}
|
|
if (!strcmp(arg, "-z")) {
|
|
line_terminator = 0;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-t") || !strcmp(arg, "-v")) {
|
|
tag_cached = "H ";
|
|
tag_unmerged = "M ";
|
|
tag_removed = "R ";
|
|
tag_modified = "C ";
|
|
tag_other = "? ";
|
|
tag_killed = "K ";
|
|
if (arg[1] == 'v')
|
|
show_valid_bit = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-c") || !strcmp(arg, "--cached")) {
|
|
show_cached = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-d") || !strcmp(arg, "--deleted")) {
|
|
show_deleted = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-m") || !strcmp(arg, "--modified")) {
|
|
show_modified = 1;
|
|
require_work_tree = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-o") || !strcmp(arg, "--others")) {
|
|
show_others = 1;
|
|
require_work_tree = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-i") || !strcmp(arg, "--ignored")) {
|
|
dir.show_ignored = 1;
|
|
require_work_tree = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) {
|
|
show_stage = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-k") || !strcmp(arg, "--killed")) {
|
|
show_killed = 1;
|
|
require_work_tree = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--directory")) {
|
|
dir.show_other_directories = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--no-empty-directory")) {
|
|
dir.hide_empty_directories = 1;
|
|
continue;
|
|
}
|
|
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;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-x") && i+1 < argc) {
|
|
exc_given = 1;
|
|
add_exclude(argv[++i], "", 0, &dir.exclude_list[EXC_CMDL]);
|
|
continue;
|
|
}
|
|
if (!strncmp(arg, "--exclude=", 10)) {
|
|
exc_given = 1;
|
|
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(&dir, argv[++i]);
|
|
continue;
|
|
}
|
|
if (!strncmp(arg, "--exclude-from=", 15)) {
|
|
exc_given = 1;
|
|
add_excludes_from_file(&dir, arg+15);
|
|
continue;
|
|
}
|
|
if (!strncmp(arg, "--exclude-per-directory=", 24)) {
|
|
exc_given = 1;
|
|
dir.exclude_per_dir = arg + 24;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--full-name")) {
|
|
prefix_offset = 0;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--error-unmatch")) {
|
|
error_unmatch = 1;
|
|
continue;
|
|
}
|
|
if (!strncmp(arg, "--abbrev=", 9)) {
|
|
abbrev = strtoul(arg+9, NULL, 10);
|
|
if (abbrev && abbrev < MINIMUM_ABBREV)
|
|
abbrev = MINIMUM_ABBREV;
|
|
else if (abbrev > 40)
|
|
abbrev = 40;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--abbrev")) {
|
|
abbrev = DEFAULT_ABBREV;
|
|
continue;
|
|
}
|
|
if (*arg == '-')
|
|
usage(ls_files_usage);
|
|
break;
|
|
}
|
|
|
|
if (require_work_tree &&
|
|
(is_bare_repository() || is_inside_git_dir()))
|
|
die("This operation must be run in a work tree");
|
|
|
|
pathspec = get_pathspec(prefix, argv + i);
|
|
|
|
/* Verify that the pathspec matches the prefix */
|
|
if (pathspec)
|
|
prefix = verify_pathspec(prefix);
|
|
|
|
/* Treat unmatching pathspec elements as errors */
|
|
if (pathspec && error_unmatch) {
|
|
int num;
|
|
for (num = 0; pathspec[num]; num++)
|
|
;
|
|
ps_matched = xcalloc(1, num);
|
|
}
|
|
|
|
if (dir.show_ignored && !exc_given) {
|
|
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_modified))
|
|
show_cached = 1;
|
|
|
|
read_cache();
|
|
if (prefix)
|
|
prune_cache(prefix);
|
|
show_files(&dir, prefix);
|
|
|
|
if (ps_matched) {
|
|
/* We need to make sure all pathspec matched otherwise
|
|
* it is an error.
|
|
*/
|
|
int num, errors = 0;
|
|
for (num = 0; pathspec[num]; num++) {
|
|
if (ps_matched[num])
|
|
continue;
|
|
error("pathspec '%s' did not match any file(s) known to git.",
|
|
pathspec[num] + prefix_offset);
|
|
errors++;
|
|
}
|
|
|
|
if (errors)
|
|
fprintf(stderr, "Did you forget to 'git add'?\n");
|
|
|
|
return errors ? 1 : 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|