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/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
#include "config.h"
#include "object-store.h"
#include "blob.h"
#include "tree.h"
#include "commit.h"
#include "quote.h"
#include "builtin.h"
#include "parse-options.h"
#include "pathspec.h"
static int line_termination = '\n';
#define LS_RECURSIVE 1
#define LS_TREE_ONLY (1 << 1)
#define LS_SHOW_TREES (1 << 2)
static int abbrev;
static int ls_options;
static struct pathspec pathspec;
static int chomp_prefix;
static const char *ls_tree_prefix;
static const char * const ls_tree_usage[] = {
N_("git ls-tree [<options>] <tree-ish> [<path>...]"),
NULL
};
static enum ls_tree_cmdmode {
MODE_LONG = 1,
MODE_NAME_ONLY,
} cmdmode;
static int show_recursive(const char *base, size_t baselen, const char *pathname)
{
int i;
if (ls_options & LS_RECURSIVE)
return 1;
if (!pathspec.nr)
return 0;
for (i = 0; i < pathspec.nr; i++) {
const char *spec = pathspec.items[i].match;
size_t len, speclen;
if (strncmp(base, spec, baselen))
continue;
len = strlen(pathname);
spec += baselen;
speclen = strlen(spec);
if (speclen <= len)
continue;
if (spec[len] && spec[len] != '/')
continue;
if (memcmp(pathname, spec, len))
continue;
return 1;
}
return 0;
}
static int show_default(const struct object_id *oid, enum object_type type,
const char *pathname, unsigned mode,
struct strbuf *base)
{
size_t baselen = base->len;
if (cmdmode == MODE_LONG) {
char size_text[24];
if (type == OBJ_BLOB) {
unsigned long size;
if (oid_object_info(the_repository, oid, &size) == OBJ_BAD)
xsnprintf(size_text, sizeof(size_text), "BAD");
else
xsnprintf(size_text, sizeof(size_text),
"%" PRIuMAX, (uintmax_t)size);
} else {
xsnprintf(size_text, sizeof(size_text), "-");
}
printf("%06o %s %s %7s\t", mode, type_name(type),
find_unique_abbrev(oid, abbrev), size_text);
} else {
printf("%06o %s %s\t", mode, type_name(type),
find_unique_abbrev(oid, abbrev));
}
baselen = base->len;
strbuf_addstr(base, pathname);
write_name_quoted_relative(base->buf,
chomp_prefix ? ls_tree_prefix : NULL, stdout,
line_termination);
strbuf_setlen(base, baselen);
return 1;
}
static int show_tree(const struct object_id *oid, struct strbuf *base,
const char *pathname, unsigned mode, void *context)
{
int recurse = 0;
size_t baselen;
enum object_type type = object_type(mode);
if (type == OBJ_BLOB) {
if (ls_options & LS_TREE_ONLY)
return 0;
} else if (type == OBJ_TREE &&
show_recursive(base->buf, base->len, pathname)) {
recurse = READ_TREE_RECURSIVE;
if (!(ls_options & LS_SHOW_TREES))
return recurse;
}
if (cmdmode == MODE_NAME_ONLY) {
baselen = base->len;
strbuf_addstr(base, pathname);
write_name_quoted_relative(base->buf,
chomp_prefix ? ls_tree_prefix : NULL,
stdout, line_termination);
strbuf_setlen(base, baselen);
return recurse;
}
if (cmdmode == MODE_LONG ||
(!ls_options || (ls_options & LS_RECURSIVE)
|| (ls_options & LS_SHOW_TREES)
|| (ls_options & LS_TREE_ONLY)))
show_default(oid, type, pathname, mode, base);
return recurse;
}
int cmd_ls_tree(int argc, const char **argv, const char *prefix)
{
struct object_id oid;
struct tree *tree;
int i, full_tree = 0;
const struct option ls_tree_options[] = {
OPT_BIT('d', NULL, &ls_options, N_("only show trees"),
LS_TREE_ONLY),
OPT_BIT('r', NULL, &ls_options, N_("recurse into subtrees"),
LS_RECURSIVE),
OPT_BIT('t', NULL, &ls_options, N_("show trees when recursing"),
LS_SHOW_TREES),
OPT_SET_INT('z', NULL, &line_termination,
N_("terminate entries with NUL byte"), 0),
OPT_CMDMODE('l', "long", &cmdmode, N_("include object size"),
MODE_LONG),
OPT_CMDMODE(0, "name-only", &cmdmode, N_("list only filenames"),
MODE_NAME_ONLY),
OPT_CMDMODE(0, "name-status", &cmdmode, N_("list only filenames"),
MODE_NAME_ONLY),
OPT_SET_INT(0, "full-name", &chomp_prefix,
N_("use full path names"), 0),
OPT_BOOL(0, "full-tree", &full_tree,
N_("list entire tree; not just current directory "
"(implies --full-name)")),
OPT__ABBREV(&abbrev),
OPT_END()
};
git_config(git_default_config, NULL);
ls_tree_prefix = prefix;
if (prefix && *prefix)
chomp_prefix = strlen(prefix);
argc = parse_options(argc, argv, prefix, ls_tree_options,
ls_tree_usage, 0);
if (full_tree) {
ls_tree_prefix = prefix = NULL;
chomp_prefix = 0;
}
/* -d -r should imply -t, but -d by itself should not have to. */
if ( (LS_TREE_ONLY|LS_RECURSIVE) ==
((LS_TREE_ONLY|LS_RECURSIVE) & ls_options))
ls_options |= LS_SHOW_TREES;
if (argc < 1)
usage_with_options(ls_tree_usage, ls_tree_options);
if (get_oid(argv[0], &oid))
die("Not a valid object name %s", argv[0]);
/*
* show_recursive() rolls its own matching code and is
* generally ignorant of 'struct pathspec'. The magic mask
* cannot be lifted until it is converted to use
* match_pathspec() or tree_entry_interesting()
*/
parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC &
~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL),
PATHSPEC_PREFER_CWD,
prefix, argv + 1);
for (i = 0; i < pathspec.nr; i++)
pathspec.items[i].nowildcard_len = pathspec.items[i].len;
pathspec.has_wildcard = 0;
tree = parse_tree_indirect(&oid);
if (!tree)
die("not a tree object");
return !!read_tree(the_repository, tree,
&pathspec, show_tree, NULL);
}
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