1/*
2 * GIT - The information manager from hell
3 *
4 * Copyright (C) Linus Torvalds, 2005
5 */
6#include "cache.h"
7#include "config.h"
8#include "blob.h"
9#include "tree.h"
10#include "commit.h"
11#include "quote.h"
12#include "builtin.h"
13#include "parse-options.h"
14#include "pathspec.h"
15static int line_termination = '\n';
17#define LS_RECURSIVE 1
18#define LS_TREE_ONLY 2
19#define LS_SHOW_TREES 4
20#define LS_NAME_ONLY 8
21#define LS_SHOW_SIZE 16
22static int abbrev;
23static int ls_options;
24static struct pathspec pathspec;
25static int chomp_prefix;
26static const char *ls_tree_prefix;
27static const char * const ls_tree_usage[] = {
29 N_("git ls-tree [<options>] <tree-ish> [<path>...]"),
30 NULL
31};
32static int show_recursive(const char *base, int baselen, const char *pathname)
34{
35 int i;
36 if (ls_options & LS_RECURSIVE)
38 return 1;
39 if (!pathspec.nr)
41 return 0;
42 for (i = 0; i < pathspec.nr; i++) {
44 const char *spec = pathspec.items[i].match;
45 int len, speclen;
46 if (strncmp(base, spec, baselen))
48 continue;
49 len = strlen(pathname);
50 spec += baselen;
51 speclen = strlen(spec);
52 if (speclen <= len)
53 continue;
54 if (spec[len] && spec[len] != '/')
55 continue;
56 if (memcmp(pathname, spec, len))
57 continue;
58 return 1;
59 }
60 return 0;
61}
62static int show_tree(const unsigned char *sha1, struct strbuf *base,
64 const char *pathname, unsigned mode, int stage, void *context)
65{
66 int retval = 0;
67 int baselen;
68 const char *type = blob_type;
69 if (S_ISGITLINK(mode)) {
71 /*
72 * Maybe we want to have some recursive version here?
73 *
74 * Something similar to this incomplete example:
75 *
76 if (show_subprojects(base, baselen, pathname))
77 retval = READ_TREE_RECURSIVE;
78 *
79 */
80 type = commit_type;
81 } else if (S_ISDIR(mode)) {
82 if (show_recursive(base->buf, base->len, pathname)) {
83 retval = READ_TREE_RECURSIVE;
84 if (!(ls_options & LS_SHOW_TREES))
85 return retval;
86 }
87 type = tree_type;
88 }
89 else if (ls_options & LS_TREE_ONLY)
90 return 0;
91 if (!(ls_options & LS_NAME_ONLY)) {
93 if (ls_options & LS_SHOW_SIZE) {
94 char size_text[24];
95 if (!strcmp(type, blob_type)) {
96 unsigned long size;
97 if (sha1_object_info(sha1, &size) == OBJ_BAD)
98 xsnprintf(size_text, sizeof(size_text),
99 "BAD");
100 else
101 xsnprintf(size_text, sizeof(size_text),
102 "%lu", size);
103 } else
104 xsnprintf(size_text, sizeof(size_text), "-");
105 printf("%06o %s %s %7s\t", mode, type,
106 find_unique_abbrev(sha1, abbrev),
107 size_text);
108 } else
109 printf("%06o %s %s\t", mode, type,
110 find_unique_abbrev(sha1, abbrev));
111 }
112 baselen = base->len;
113 strbuf_addstr(base, pathname);
114 write_name_quoted_relative(base->buf,
115 chomp_prefix ? ls_tree_prefix : NULL,
116 stdout, line_termination);
117 strbuf_setlen(base, baselen);
118 return retval;
119}
120int cmd_ls_tree(int argc, const char **argv, const char *prefix)
122{
123 struct object_id oid;
124 struct tree *tree;
125 int i, full_tree = 0;
126 const struct option ls_tree_options[] = {
127 OPT_BIT('d', NULL, &ls_options, N_("only show trees"),
128 LS_TREE_ONLY),
129 OPT_BIT('r', NULL, &ls_options, N_("recurse into subtrees"),
130 LS_RECURSIVE),
131 OPT_BIT('t', NULL, &ls_options, N_("show trees when recursing"),
132 LS_SHOW_TREES),
133 OPT_SET_INT('z', NULL, &line_termination,
134 N_("terminate entries with NUL byte"), 0),
135 OPT_BIT('l', "long", &ls_options, N_("include object size"),
136 LS_SHOW_SIZE),
137 OPT_BIT(0, "name-only", &ls_options, N_("list only filenames"),
138 LS_NAME_ONLY),
139 OPT_BIT(0, "name-status", &ls_options, N_("list only filenames"),
140 LS_NAME_ONLY),
141 OPT_SET_INT(0, "full-name", &chomp_prefix,
142 N_("use full path names"), 0),
143 OPT_BOOL(0, "full-tree", &full_tree,
144 N_("list entire tree; not just current directory "
145 "(implies --full-name)")),
146 OPT__ABBREV(&abbrev),
147 OPT_END()
148 };
149 git_config(git_default_config, NULL);
151 ls_tree_prefix = prefix;
152 if (prefix && *prefix)
153 chomp_prefix = strlen(prefix);
154 argc = parse_options(argc, argv, prefix, ls_tree_options,
156 ls_tree_usage, 0);
157 if (full_tree) {
158 ls_tree_prefix = prefix = NULL;
159 chomp_prefix = 0;
160 }
161 /* -d -r should imply -t, but -d by itself should not have to. */
162 if ( (LS_TREE_ONLY|LS_RECURSIVE) ==
163 ((LS_TREE_ONLY|LS_RECURSIVE) & ls_options))
164 ls_options |= LS_SHOW_TREES;
165 if (argc < 1)
167 usage_with_options(ls_tree_usage, ls_tree_options);
168 if (get_oid(argv[0], &oid))
169 die("Not a valid object name %s", argv[0]);
170 /*
172 * show_recursive() rolls its own matching code and is
173 * generally ignorant of 'struct pathspec'. The magic mask
174 * cannot be lifted until it is converted to use
175 * match_pathspec() or tree_entry_interesting()
176 */
177 parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC &
178 ~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL),
179 PATHSPEC_PREFER_CWD,
180 prefix, argv + 1);
181 for (i = 0; i < pathspec.nr; i++)
182 pathspec.items[i].nowildcard_len = pathspec.items[i].len;
183 pathspec.has_wildcard = 0;
184 tree = parse_tree_indirect(&oid);
185 if (!tree)
186 die("not a tree object");
187 return !!read_tree_recursive(tree, "", 0, 0, &pathspec, show_tree, NULL);
188}