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git/builtin/ls-files.c

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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
*/
#define USE_THE_REPOSITORY_VARIABLE
#define DISABLE_SIGN_COMPARE_WARNINGS
#include "builtin.h"
#include "config.h"
#include "convert.h"
#include "quote.h"
#include "dir.h"
#include "gettext.h"
#include "object-name.h"
#include "strbuf.h"
#include "parse-options.h"
#include "resolve-undo.h"
#include "string-list.h"
#include "path.h"
#include "pathspec.h"
#include "read-cache.h"
#include "setup.h"
#include "sparse-index.h"
#include "submodule.h"
#include "object-store.h"
#include "hex.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_resolve_undo;
static int show_modified;
static int show_killed;
static int show_valid_bit;
static int show_fsmonitor_bit;
static int line_terminator = '\n';
static int debug_mode;
static int show_eol;
static int recurse_submodules;
static int skipping_duplicates;
static int show_sparse_dirs;
static const char *prefix;
static int max_prefix_len;
static int prefix_len;
static struct pathspec pathspec;
static int error_unmatch;
static char *ps_matched;
static const char *with_tree;
static int exc_given;
static int exclude_args;
static const char *format;
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 = "";
static const char *tag_skip_worktree = "";
static const char *tag_resolve_undo = "";
static void write_eolinfo(struct index_state *istate,
const struct cache_entry *ce, const char *path)
{
if (show_eol) {
struct stat st;
const char *i_txt = "";
const char *w_txt = "";
const char *a_txt = get_convert_attr_ascii(istate, path);
if (ce && S_ISREG(ce->ce_mode))
i_txt = get_cached_convert_stats_ascii(istate,
ce->name);
if (!lstat(path, &st) && S_ISREG(st.st_mode))
w_txt = get_wt_convert_stats_ascii(path);
printf("i/%-5s w/%-5s attr/%-17s\t", i_txt, w_txt, a_txt);
}
}
static void write_name(const char *name)
{
/*
* With "--full-name", prefix_len=0; this caller needs to pass
* an empty string in that case (a NULL is good for "").
*/
write_name_quoted_relative(name, prefix_len ? prefix : NULL,
stdout, line_terminator);
}
static void write_name_to_buf(struct strbuf *sb, const char *name)
{
struct strbuf buf = STRBUF_INIT;
const char *rel = relative_path(name, prefix_len ? prefix : NULL, &buf);
if (line_terminator)
quote_c_style(rel, sb, NULL, 0);
else
strbuf_addstr(sb, rel);
strbuf_release(&buf);
}
static const char *get_tag(const struct cache_entry *ce, const char *tag)
{
static char alttag[4];
if (tag && *tag && ((show_valid_bit && (ce->ce_flags & CE_VALID)) ||
(show_fsmonitor_bit && (ce->ce_flags & CE_FSMONITOR_VALID)))) {
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;
}
return tag;
}
static void print_debug(const struct cache_entry *ce)
{
if (debug_mode) {
const struct stat_data *sd = &ce->ce_stat_data;
printf(" ctime: %u:%u\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
printf(" mtime: %u:%u\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
printf(" dev: %u\tino: %u\n", sd->sd_dev, sd->sd_ino);
printf(" uid: %u\tgid: %u\n", sd->sd_uid, sd->sd_gid);
printf(" size: %u\tflags: %x\n", sd->sd_size, ce->ce_flags);
}
}
static void show_dir_entry(struct index_state *istate,
const char *tag, struct dir_entry *ent)
{
int len = max_prefix_len;
if (len > ent->len)
die("git ls-files: internal error - directory entry not superset of prefix");
/* If ps_matches is non-NULL, figure out which pathspec(s) match. */
if (ps_matched)
dir_path_match(istate, ent, &pathspec, len, ps_matched);
fputs(tag, stdout);
write_eolinfo(istate, NULL, ent->name);
write_name(ent->name);
}
static void show_other_files(struct index_state *istate,
const struct dir_struct *dir)
{
int i;
for (i = 0; i < dir->nr; i++) {
struct dir_entry *ent = dir->entries[i];
if (!index_name_is_other(istate, ent->name, ent->len))
continue;
show_dir_entry(istate, tag_other, ent);
}
}
static void show_killed_files(struct index_state *istate,
const 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 = index_name_pos(istate, ent->name, ent->len);
if (0 <= pos)
BUG("killed-file %.*s not found",
ent->len, ent->name);
pos = -pos - 1;
while (pos < istate->cache_nr &&
ce_stage(istate->cache[pos]))
pos++; /* skip unmerged */
if (istate->cache_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(istate->cache[pos]);
if ((ent->len < len) &&
!strncmp(istate->cache[pos]->name,
ent->name, ent->len) &&
istate->cache[pos]->name[ent->len] == '/')
killed = 1;
break;
}
if (0 <= index_name_pos(istate, 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(istate, tag_killed, dir->entries[i]);
}
}
static void show_files(struct repository *repo, struct dir_struct *dir);
static void show_submodule(struct repository *superproject,
struct dir_struct *dir, const char *path)
{
struct repository subrepo;
if (repo_submodule_init(&subrepo, superproject, path, null_oid()))
return;
if (repo_read_index(&subrepo) < 0)
die("index file corrupt");
show_files(&subrepo, dir);
repo_clear(&subrepo);
}
static void expand_objectsize(struct strbuf *line, const struct object_id *oid,
const enum object_type type, unsigned int padded)
{
if (type == OBJ_BLOB) {
unsigned long size;
if (oid_object_info(the_repository, oid, &size) < 0)
die(_("could not get object info about '%s'"),
oid_to_hex(oid));
if (padded)
strbuf_addf(line, "%7"PRIuMAX, (uintmax_t)size);
else
strbuf_addf(line, "%"PRIuMAX, (uintmax_t)size);
} else if (padded) {
strbuf_addf(line, "%7s", "-");
} else {
strbuf_addstr(line, "-");
}
}
static void show_ce_fmt(struct repository *repo, const struct cache_entry *ce,
const char *format, const char *fullname) {
struct strbuf sb = STRBUF_INIT;
while (strbuf_expand_step(&sb, &format)) {
size_t len;
struct stat st;
if (skip_prefix(format, "%", &format))
strbuf_addch(&sb, '%');
else if ((len = strbuf_expand_literal(&sb, format)))
format += len;
else if (skip_prefix(format, "(objectmode)", &format))
strbuf_addf(&sb, "%06o", ce->ce_mode);
else if (skip_prefix(format, "(objectname)", &format))
strbuf_add_unique_abbrev(&sb, &ce->oid, abbrev);
else if (skip_prefix(format, "(objecttype)", &format))
strbuf_addstr(&sb, type_name(object_type(ce->ce_mode)));
else if (skip_prefix(format, "(objectsize:padded)", &format))
expand_objectsize(&sb, &ce->oid,
object_type(ce->ce_mode), 1);
else if (skip_prefix(format, "(objectsize)", &format))
expand_objectsize(&sb, &ce->oid,
object_type(ce->ce_mode), 0);
else if (skip_prefix(format, "(stage)", &format))
strbuf_addf(&sb, "%d", ce_stage(ce));
else if (skip_prefix(format, "(eolinfo:index)", &format))
strbuf_addstr(&sb, S_ISREG(ce->ce_mode) ?
get_cached_convert_stats_ascii(repo->index,
ce->name) : "");
else if (skip_prefix(format, "(eolinfo:worktree)", &format))
strbuf_addstr(&sb, !lstat(fullname, &st) &&
S_ISREG(st.st_mode) ?
get_wt_convert_stats_ascii(fullname) : "");
else if (skip_prefix(format, "(eolattr)", &format))
strbuf_addstr(&sb, get_convert_attr_ascii(repo->index,
fullname));
else if (skip_prefix(format, "(path)", &format))
write_name_to_buf(&sb, fullname);
else
strbuf_expand_bad_format(format, "ls-files");
}
strbuf_addch(&sb, line_terminator);
fwrite(sb.buf, sb.len, 1, stdout);
strbuf_release(&sb);
}
static void show_ce(struct repository *repo, struct dir_struct *dir,
const struct cache_entry *ce, const char *fullname,
const char *tag)
{
if (max_prefix_len > strlen(fullname))
die("git ls-files: internal error - cache entry not superset of prefix");
if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
is_submodule_active(repo, ce->name)) {
show_submodule(repo, dir, ce->name);
} else if (match_pathspec(repo->index, &pathspec, fullname, strlen(fullname),
max_prefix_len, ps_matched,
S_ISDIR(ce->ce_mode) ||
S_ISGITLINK(ce->ce_mode))) {
if (format) {
show_ce_fmt(repo, ce, format, fullname);
print_debug(ce);
return;
}
tag = get_tag(ce, tag);
if (!show_stage) {
fputs(tag, stdout);
} else {
printf("%s%06o %s %d\t",
tag,
ce->ce_mode,
repo_find_unique_abbrev(repo, &ce->oid, abbrev),
ce_stage(ce));
}
write_eolinfo(repo->index, ce, fullname);
write_name(fullname);
print_debug(ce);
}
}
static void show_ru_info(struct index_state *istate)
{
struct string_list_item *item;
if (!istate->resolve_undo)
return;
for_each_string_list_item(item, istate->resolve_undo) {
const char *path = item->string;
struct resolve_undo_info *ui = item->util;
int i, len;
len = strlen(path);
if (len < max_prefix_len)
continue; /* outside of the prefix */
if (!match_pathspec(istate, &pathspec, path, len,
max_prefix_len, ps_matched, 0))
continue; /* uninterested */
for (i = 0; i < 3; i++) {
if (!ui->mode[i])
continue;
printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
repo_find_unique_abbrev(the_repository, &ui->oid[i], abbrev),
i + 1);
write_name(path);
}
}
}
static int ce_excluded(struct dir_struct *dir, struct index_state *istate,
const char *fullname, const struct cache_entry *ce)
{
int dtype = ce_to_dtype(ce);
return is_excluded(dir, istate, fullname, &dtype);
}
static void construct_fullname(struct strbuf *out, const struct repository *repo,
const struct cache_entry *ce)
{
strbuf_reset(out);
if (repo->submodule_prefix)
strbuf_addstr(out, repo->submodule_prefix);
strbuf_addstr(out, ce->name);
}
static void show_files(struct repository *repo, struct dir_struct *dir)
{
int i;
struct strbuf fullname = STRBUF_INIT;
/* For cached/deleted files we don't need to even do the readdir */
if (show_others || show_killed) {
if (!show_others)
dir->flags |= DIR_COLLECT_KILLED_ONLY;
fill_directory(dir, repo->index, &pathspec);
if (show_others)
show_other_files(repo->index, dir);
if (show_killed)
show_killed_files(repo->index, dir);
}
if (!(show_cached || show_stage || show_deleted || show_modified))
return;
if (!show_sparse_dirs)
ensure_full_index(repo->index);
for (i = 0; i < repo->index->cache_nr; i++) {
const struct cache_entry *ce = repo->index->cache[i];
struct stat st;
int stat_err;
construct_fullname(&fullname, repo, ce);
if ((dir->flags & DIR_SHOW_IGNORED) &&
!ce_excluded(dir, repo->index, fullname.buf, ce))
continue;
if (ce->ce_flags & CE_UPDATE)
continue;
if ((show_cached || show_stage) &&
(!show_unmerged || ce_stage(ce))) {
show_ce(repo, dir, ce, fullname.buf,
ce_stage(ce) ? tag_unmerged :
(ce_skip_worktree(ce) ? tag_skip_worktree :
tag_cached));
if (skipping_duplicates)
goto skip_to_next_name;
}
if (!(show_deleted || show_modified))
continue;
if (ce_skip_worktree(ce))
continue;
stat_err = lstat(fullname.buf, &st);
if (stat_err && (errno != ENOENT && errno != ENOTDIR))
error_errno("cannot lstat '%s'", fullname.buf);
if (stat_err && show_deleted) {
show_ce(repo, dir, ce, fullname.buf, tag_removed);
if (skipping_duplicates)
goto skip_to_next_name;
}
if (show_modified &&
(stat_err || ie_modified(repo->index, ce, &st, 0))) {
show_ce(repo, dir, ce, fullname.buf, tag_modified);
if (skipping_duplicates)
goto skip_to_next_name;
}
continue;
skip_to_next_name:
{
int j;
struct cache_entry **cache = repo->index->cache;
for (j = i + 1; j < repo->index->cache_nr; j++)
if (strcmp(ce->name, cache[j]->name))
break;
i = j - 1; /* compensate for the for loop */
}
}
strbuf_release(&fullname);
}
/*
* Prune the index to only contain stuff starting with "prefix"
*/
static void prune_index(struct index_state *istate,
const char *prefix, size_t prefixlen)
{
int pos;
unsigned int first, last;
if (!prefix || !istate->cache_nr)
return;
pos = index_name_pos(istate, prefix, prefixlen);
if (pos < 0)
pos = -pos-1;
first = pos;
last = istate->cache_nr;
while (last > first) {
int next = first + ((last - first) >> 1);
const struct cache_entry *ce = istate->cache[next];
if (!strncmp(ce->name, prefix, prefixlen)) {
first = next+1;
continue;
}
last = next;
}
MOVE_ARRAY(istate->cache, istate->cache + pos, last - pos);
istate->cache_nr = last - pos;
}
static int get_common_prefix_len(const char *common_prefix)
{
int common_prefix_len;
if (!common_prefix)
return 0;
common_prefix_len = strlen(common_prefix);
/*
* If the prefix has a trailing slash, strip it so that submodules won't
* be pruned from the index.
*/
if (common_prefix[common_prefix_len - 1] == '/')
common_prefix_len--;
return common_prefix_len;
}
static const char * const ls_files_usage[] = {
N_("git ls-files [<options>] [<file>...]"),
NULL
};
static int option_parse_exclude(const struct option *opt,
const char *arg, int unset)
{
struct string_list *exclude_list = opt->value;
BUG_ON_OPT_NEG(unset);
exc_given = 1;
string_list_append(exclude_list, arg);
return 0;
}
static int option_parse_exclude_from(const struct option *opt,
const char *arg, int unset)
{
struct dir_struct *dir = opt->value;
BUG_ON_OPT_NEG(unset);
exc_given = 1;
add_patterns_from_file(dir, arg);
return 0;
}
static int option_parse_exclude_standard(const struct option *opt,
const char *arg, int unset)
{
struct dir_struct *dir = opt->value;
BUG_ON_OPT_NEG(unset);
BUG_ON_OPT_ARG(arg);
exc_given = 1;
setup_standard_excludes(dir);
return 0;
}
int cmd_ls_files(int argc,
const char **argv,
const char *cmd_prefix,
struct repository *repo UNUSED)
{
int require_work_tree = 0, show_tag = 0, i;
char *max_prefix;
struct dir_struct dir = DIR_INIT;
struct pattern_list *pl;
struct string_list exclude_list = STRING_LIST_INIT_NODUP;
struct option builtin_ls_files_options[] = {
/* Think twice before adding "--nul" synonym to this */
OPT_SET_INT('z', NULL, &line_terminator,
N_("separate paths with the NUL character"), '\0'),
OPT_BOOL('t', NULL, &show_tag,
N_("identify the file status with tags")),
OPT_BOOL('v', NULL, &show_valid_bit,
N_("use lowercase letters for 'assume unchanged' files")),
OPT_BOOL('f', NULL, &show_fsmonitor_bit,
N_("use lowercase letters for 'fsmonitor clean' files")),
OPT_BOOL('c', "cached", &show_cached,
N_("show cached files in the output (default)")),
OPT_BOOL('d', "deleted", &show_deleted,
N_("show deleted files in the output")),
OPT_BOOL('m', "modified", &show_modified,
N_("show modified files in the output")),
OPT_BOOL('o', "others", &show_others,
N_("show other files in the output")),
OPT_BIT('i', "ignored", &dir.flags,
N_("show ignored files in the output"),
DIR_SHOW_IGNORED),
OPT_BOOL('s', "stage", &show_stage,
N_("show staged contents' object name in the output")),
OPT_BOOL('k', "killed", &show_killed,
N_("show files on the filesystem that need to be removed")),
OPT_BIT(0, "directory", &dir.flags,
N_("show 'other' directories' names only"),
DIR_SHOW_OTHER_DIRECTORIES),
OPT_BOOL(0, "eol", &show_eol, N_("show line endings of files")),
OPT_NEGBIT(0, "empty-directory", &dir.flags,
N_("don't show empty directories"),
DIR_HIDE_EMPTY_DIRECTORIES),
OPT_BOOL('u', "unmerged", &show_unmerged,
N_("show unmerged files in the output")),
OPT_BOOL(0, "resolve-undo", &show_resolve_undo,
N_("show resolve-undo information")),
OPT_CALLBACK_F('x', "exclude", &exclude_list, N_("pattern"),
N_("skip files matching pattern"),
PARSE_OPT_NONEG, option_parse_exclude),
OPT_CALLBACK_F('X', "exclude-from", &dir, N_("file"),
N_("read exclude patterns from <file>"),
PARSE_OPT_NONEG, option_parse_exclude_from),
OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, N_("file"),
N_("read additional per-directory exclude patterns in <file>")),
OPT_CALLBACK_F(0, "exclude-standard", &dir, NULL,
N_("add the standard git exclusions"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
option_parse_exclude_standard),
OPT_SET_INT_F(0, "full-name", &prefix_len,
N_("make the output relative to the project top directory"),
0, PARSE_OPT_NONEG),
OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
N_("recurse through submodules")),
OPT_BOOL(0, "error-unmatch", &error_unmatch,
N_("if any <file> is not in the index, treat this as an error")),
OPT_STRING(0, "with-tree", &with_tree, N_("tree-ish"),
N_("pretend that paths removed since <tree-ish> are still present")),
OPT__ABBREV(&abbrev),
OPT_BOOL(0, "debug", &debug_mode, N_("show debugging data")),
OPT_BOOL(0, "deduplicate", &skipping_duplicates,
N_("suppress duplicate entries")),
OPT_BOOL(0, "sparse", &show_sparse_dirs,
N_("show sparse directories in the presence of a sparse index")),
OPT_STRING_F(0, "format", &format, N_("format"),
N_("format to use for the output"),
PARSE_OPT_NONEG),
OPT_END()
};
int ret = 0;
show_usage_with_options_if_asked(argc, argv,
ls_files_usage, builtin_ls_files_options);
prepare_repo_settings(the_repository);
the_repository->settings.command_requires_full_index = 0;
prefix = cmd_prefix;
if (prefix)
prefix_len = strlen(prefix);
git_config(git_default_config, NULL);
if (repo_read_index(the_repository) < 0)
die("index file corrupt");
argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
ls_files_usage, 0);
pl = add_pattern_list(&dir, EXC_CMDL, "--exclude option");
for (i = 0; i < exclude_list.nr; i++) {
add_pattern(exclude_list.items[i].string, "", 0, pl, --exclude_args);
}
if (format && (show_stage || show_others || show_killed ||
show_resolve_undo || skipping_duplicates || show_eol || show_tag))
usage_msg_opt(_("--format cannot be used with -s, -o, -k, -t, "
"--resolve-undo, --deduplicate, --eol"),
ls_files_usage, builtin_ls_files_options);
if (show_tag || show_valid_bit || show_fsmonitor_bit) {
tag_cached = "H ";
tag_unmerged = "M ";
tag_removed = "R ";
tag_modified = "C ";
tag_other = "? ";
tag_killed = "K ";
tag_skip_worktree = "S ";
tag_resolve_undo = "U ";
}
if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed)
require_work_tree = 1;
if (show_unmerged)
/*
* There's no point in showing unmerged unless
* you also show the stage information.
*/
show_stage = 1;
if (show_tag || show_stage)
skipping_duplicates = 0;
if (dir.exclude_per_dir)
exc_given = 1;
if (require_work_tree && !is_inside_work_tree())
setup_work_tree();
if (recurse_submodules &&
(show_deleted || show_others || show_unmerged ||
show_killed || show_modified || show_resolve_undo || with_tree))
die("ls-files --recurse-submodules unsupported mode");
if (recurse_submodules && error_unmatch)
die("ls-files --recurse-submodules does not support "
"--error-unmatch");
parse_pathspec(&pathspec, 0,
PATHSPEC_PREFER_CWD,
prefix, argv);
/*
* Find common prefix for all pathspec's
* This is used as a performance optimization which unfortunately cannot
* be done when recursing into submodules because when a pathspec is
* given which spans repository boundaries you can't simply remove the
* submodule entry because the pathspec may match something inside the
* submodule.
*/
if (recurse_submodules)
max_prefix = NULL;
else
max_prefix = common_prefix(&pathspec);
max_prefix_len = get_common_prefix_len(max_prefix);
prune_index(the_repository->index, max_prefix, max_prefix_len);
/* Treat unmatching pathspec elements as errors */
if (pathspec.nr && error_unmatch)
ps_matched = xcalloc(pathspec.nr, 1);
if ((dir.flags & DIR_SHOW_IGNORED) && !show_others && !show_cached)
die("ls-files -i must be used with either -o or -c");
if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
die("ls-files --ignored needs some exclude pattern");
/* With no flags, we default to showing the cached files */
if (!(show_stage || show_deleted || show_others || show_unmerged ||
show_killed || show_modified || show_resolve_undo))
show_cached = 1;
if (with_tree) {
/*
* Basic sanity check; show-stages and show-unmerged
* would not make any sense with this option.
*/
if (show_stage || show_unmerged)
die(_("options '%s' and '%s' cannot be used together"), "ls-files --with-tree", "-s/-u");
overlay_tree_on_index(the_repository->index, with_tree, max_prefix);
}
show_files(the_repository, &dir);
if (show_resolve_undo)
show_ru_info(the_repository->index);
if (ps_matched && report_path_error(ps_matched, &pathspec)) {
fprintf(stderr, "Did you forget to 'git add'?\n");
ret = 1;
}
string_list_clear(&exclude_list, 0);
dir_clear(&dir);
free(max_prefix);
return ret;
}
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