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/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
#include "blob.h"
#include "tree.h"
#include "commit.h"
#include "quote.h"
#include "builtin.h"
#include "parse-options.h"
static int line_termination = '\n';
#define LS_RECURSIVE 1
#define LS_TREE_ONLY 2
#define LS_SHOW_TREES 4
#define LS_NAME_ONLY 8
#define LS_SHOW_SIZE 16
static int abbrev;
static int ls_options;
static const char **pathspec;
static int chomp_prefix;
static const char *ls_tree_prefix;
static const char * const ls_tree_usage[] = {
"git ls-tree [<options>] <tree-ish> [path...]",
NULL
};
static int show_recursive(const char *base, int baselen, const char *pathname)
{
const char **s;
if (ls_options & LS_RECURSIVE)
return 1;
s = pathspec;
if (!s)
return 0;
for (;;) {
const char *spec = *s++;
int len, speclen;
if (!spec)
return 0;
if (strncmp(base, spec, baselen))
continue;
len = strlen(pathname);
spec += baselen;
speclen = strlen(spec);
if (speclen <= len)
continue;
if (memcmp(pathname, spec, len))
continue;
return 1;
}
}
static int show_tree(const unsigned char *sha1, const char *base, int baselen,
const char *pathname, unsigned mode, int stage, void *context)
{
int retval = 0;
const char *type = blob_type;
if (S_ISGITLINK(mode)) {
/*
* Maybe we want to have some recursive version here?
*
* Something similar to this incomplete example:
*
if (show_subprojects(base, baselen, pathname))
retval = READ_TREE_RECURSIVE;
*
*/
type = commit_type;
} else if (S_ISDIR(mode)) {
if (show_recursive(base, baselen, pathname)) {
retval = READ_TREE_RECURSIVE;
if (!(ls_options & LS_SHOW_TREES))
return retval;
}
type = tree_type;
}
else if (ls_options & LS_TREE_ONLY)
return 0;
if (chomp_prefix &&
(baselen < chomp_prefix || memcmp(ls_tree_prefix, base, chomp_prefix)))
return 0;
if (!(ls_options & LS_NAME_ONLY)) {
if (ls_options & LS_SHOW_SIZE) {
char size_text[24];
if (!strcmp(type, blob_type)) {
unsigned long size;
if (sha1_object_info(sha1, &size) == OBJ_BAD)
strcpy(size_text, "BAD");
else
snprintf(size_text, sizeof(size_text),
"%lu", size);
} else
strcpy(size_text, "-");
printf("%06o %s %s %7s\t", mode, type,
abbrev ? find_unique_abbrev(sha1, abbrev)
: sha1_to_hex(sha1),
size_text);
} else
printf("%06o %s %s\t", mode, type,
abbrev ? find_unique_abbrev(sha1, abbrev)
: sha1_to_hex(sha1));
}
write_name_quotedpfx(base + chomp_prefix, baselen - chomp_prefix,
pathname, stdout, line_termination);
return retval;
}
int cmd_ls_tree(int argc, const char **argv, const char *prefix)
{
unsigned char sha1[20];
struct tree *tree;
int full_tree = 0;
const struct option ls_tree_options[] = {
OPT_BIT('d', NULL, &ls_options, "only show trees",
LS_TREE_ONLY),
OPT_BIT('r', NULL, &ls_options, "recurse into subtrees",
LS_RECURSIVE),
OPT_BIT('t', NULL, &ls_options, "show trees when recursing",
LS_SHOW_TREES),
OPT_SET_INT('z', NULL, &line_termination,
"terminate entries with NUL byte", 0),
OPT_BIT('l', "long", &ls_options, "include object size",
LS_SHOW_SIZE),
OPT_BIT(0, "name-only", &ls_options, "list only filenames",
LS_NAME_ONLY),
OPT_BIT(0, "name-status", &ls_options, "list only filenames",
LS_NAME_ONLY),
OPT_SET_INT(0, "full-name", &chomp_prefix,
"use full path names", 0),
OPT_BOOLEAN(0, "full-tree", &full_tree,
"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_sha1(argv[0], sha1))
die("Not a valid object name %s", argv[0]);
pathspec = get_pathspec(prefix, argv + 1);
tree = parse_tree_indirect(sha1);
if (!tree)
die("not a tree object");
read_tree_recursive(tree, "", 0, 0, pathspec, show_tree, NULL);
return 0;
}
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