Provide git_config with a callback-data parameter
[git/git.git] / builtin-ls-tree.c
CommitLineData
7912c070
PB
1/*
2 * GIT - The information manager from hell
3 *
4 * Copyright (C) Linus Torvalds, 2005
5 */
6#include "cache.h"
6af1f019
JH
7#include "blob.h"
8#include "tree.h"
f35a6d3b 9#include "commit.h"
22ddf719 10#include "quote.h"
aae01bda 11#include "builtin.h"
7912c070 12
e99d59ff 13static int line_termination = '\n';
6af1f019
JH
14#define LS_RECURSIVE 1
15#define LS_TREE_ONLY 2
0f8f45cb 16#define LS_SHOW_TREES 4
c639a554 17#define LS_NAME_ONLY 8
a5bbda8b 18#define LS_SHOW_SIZE 16
96f1e58f
DR
19static int abbrev;
20static int ls_options;
aae01bda 21static const char **pathspec;
96f1e58f 22static int chomp_prefix;
a633fca0 23static const char *ls_tree_prefix;
aa1c48df 24
3c5e8468 25static const char ls_tree_usage[] =
a5bbda8b 26 "git-ls-tree [-d] [-r] [-t] [-l] [-z] [--name-only] [--name-status] [--full-name] [--abbrev[=<n>]] <tree-ish> [path...]";
0f8f45cb
LT
27
28static int show_recursive(const char *base, int baselen, const char *pathname)
29{
30 const char **s;
31
32 if (ls_options & LS_RECURSIVE)
33 return 1;
34
35 s = pathspec;
36 if (!s)
37 return 0;
38
39 for (;;) {
40 const char *spec = *s++;
41 int len, speclen;
42
43 if (!spec)
44 return 0;
45 if (strncmp(base, spec, baselen))
46 continue;
47 len = strlen(pathname);
48 spec += baselen;
49 speclen = strlen(spec);
50 if (speclen <= len)
51 continue;
52 if (memcmp(pathname, spec, len))
53 continue;
54 return 1;
55 }
56}
aa1c48df 57
097dc3d8 58static int show_tree(const unsigned char *sha1, const char *base, int baselen,
a69dd585 59 const char *pathname, unsigned mode, int stage)
6af1f019 60{
0f8f45cb 61 int retval = 0;
8e440259 62 const char *type = blob_type;
a5bbda8b 63 unsigned long size;
ab1630a3 64
302b9282 65 if (S_ISGITLINK(mode)) {
f35a6d3b
LT
66 /*
67 * Maybe we want to have some recursive version here?
68 *
69 * Something like:
70 *
71 if (show_subprojects(base, baselen, pathname)) {
72 if (fork()) {
73 chdir(base);
74 exec ls-tree;
75 }
76 waitpid();
77 }
78 *
79 * ..or similar..
80 */
81 type = commit_type;
82 } else if (S_ISDIR(mode)) {
0f8f45cb
LT
83 if (show_recursive(base, baselen, pathname)) {
84 retval = READ_TREE_RECURSIVE;
85 if (!(ls_options & LS_SHOW_TREES))
86 return retval;
e2466376 87 }
8e440259 88 type = tree_type;
6af1f019 89 }
f5984671
JH
90 else if (ls_options & LS_TREE_ONLY)
91 return 0;
ab1630a3 92
a69dd585 93 if (chomp_prefix &&
a633fca0 94 (baselen < chomp_prefix || memcmp(ls_tree_prefix, base, chomp_prefix)))
a69dd585
JH
95 return 0;
96
a5bbda8b
JN
97 if (!(ls_options & LS_NAME_ONLY)) {
98 if (ls_options & LS_SHOW_SIZE) {
99 if (!strcmp(type, blob_type)) {
100 sha1_object_info(sha1, &size);
101 printf("%06o %s %s %7lu\t", mode, type,
102 abbrev ? find_unique_abbrev(sha1, abbrev)
103 : sha1_to_hex(sha1),
104 size);
105 } else
106 printf("%06o %s %s %7c\t", mode, type,
107 abbrev ? find_unique_abbrev(sha1, abbrev)
108 : sha1_to_hex(sha1),
109 '-');
110 } else
111 printf("%06o %s %s\t", mode, type,
112 abbrev ? find_unique_abbrev(sha1, abbrev)
113 : sha1_to_hex(sha1));
114 }
663af342
PH
115 write_name_quotedpfx(base + chomp_prefix, baselen - chomp_prefix,
116 pathname, stdout, line_termination);
0f8f45cb 117 return retval;
6af1f019 118}
0f2303f7 119
a633fca0 120int cmd_ls_tree(int argc, const char **argv, const char *prefix)
6af1f019 121{
7912c070 122 unsigned char sha1[20];
521698b1 123 struct tree *tree;
7912c070 124
ef90d6d4 125 git_config(git_default_config, NULL);
a633fca0 126 ls_tree_prefix = prefix;
a69dd585
JH
127 if (prefix && *prefix)
128 chomp_prefix = strlen(prefix);
aa1c48df
JH
129 while (1 < argc && argv[1][0] == '-') {
130 switch (argv[1][1]) {
131 case 'z':
132 line_termination = 0;
133 break;
134 case 'r':
6af1f019
JH
135 ls_options |= LS_RECURSIVE;
136 break;
137 case 'd':
138 ls_options |= LS_TREE_ONLY;
aa1c48df 139 break;
0f8f45cb
LT
140 case 't':
141 ls_options |= LS_SHOW_TREES;
142 break;
a5bbda8b
JN
143 case 'l':
144 ls_options |= LS_SHOW_SIZE;
145 break;
c639a554
JH
146 case '-':
147 if (!strcmp(argv[1]+2, "name-only") ||
148 !strcmp(argv[1]+2, "name-status")) {
149 ls_options |= LS_NAME_ONLY;
150 break;
151 }
a5bbda8b
JN
152 if (!strcmp(argv[1]+2, "long")) {
153 ls_options |= LS_SHOW_SIZE;
154 break;
155 }
a69dd585
JH
156 if (!strcmp(argv[1]+2, "full-name")) {
157 chomp_prefix = 0;
158 break;
159 }
1968d77d 160 if (!prefixcmp(argv[1]+2, "abbrev=")) {
cb85bfe5
EW
161 abbrev = strtoul(argv[1]+9, NULL, 10);
162 if (abbrev && abbrev < MINIMUM_ABBREV)
163 abbrev = MINIMUM_ABBREV;
164 else if (abbrev > 40)
165 abbrev = 40;
166 break;
167 }
168 if (!strcmp(argv[1]+2, "abbrev")) {
169 abbrev = DEFAULT_ABBREV;
170 break;
171 }
c639a554 172 /* otherwise fallthru */
aa1c48df 173 default:
0f2303f7 174 usage(ls_tree_usage);
aa1c48df
JH
175 }
176 argc--; argv++;
177 }
f5984671
JH
178 /* -d -r should imply -t, but -d by itself should not have to. */
179 if ( (LS_TREE_ONLY|LS_RECURSIVE) ==
180 ((LS_TREE_ONLY|LS_RECURSIVE) & ls_options))
181 ls_options |= LS_SHOW_TREES;
aa1c48df 182
6d3a5077 183 if (argc < 2)
0f2303f7 184 usage(ls_tree_usage);
31fff305
DL
185 if (get_sha1(argv[1], sha1))
186 die("Not a valid object name %s", argv[1]);
6af1f019 187
e2466376 188 pathspec = get_pathspec(prefix, argv + 2);
521698b1
DB
189 tree = parse_tree_indirect(sha1);
190 if (!tree)
3c5e8468 191 die("not a tree object");
521698b1 192 read_tree_recursive(tree, "", 0, 0, pathspec, show_tree);
3c5e8468 193
7912c070
PB
194 return 0;
195}