Make the MSVC projects use PDB/IDB files named after the project
[git/dscho.git] / builtin-mktree.c
blob098395fda1932674e29f8d2cb332c722a6cb275f
1 /*
2 * GIT - the stupid content tracker
4 * Copyright (c) Junio C Hamano, 2006, 2009
5 */
6 #include "builtin.h"
7 #include "quote.h"
8 #include "tree.h"
9 #include "parse-options.h"
11 static struct treeent {
12 unsigned mode;
13 unsigned char sha1[20];
14 int len;
15 char name[FLEX_ARRAY];
16 } **entries;
17 static int alloc, used;
19 static void append_to_tree(unsigned mode, unsigned char *sha1, char *path)
21 struct treeent *ent;
22 int len = strlen(path);
23 if (strchr(path, '/'))
24 die("path %s contains slash", path);
26 if (alloc <= used) {
27 alloc = alloc_nr(used);
28 entries = xrealloc(entries, sizeof(*entries) * alloc);
30 ent = entries[used++] = xmalloc(sizeof(**entries) + len + 1);
31 ent->mode = mode;
32 ent->len = len;
33 hashcpy(ent->sha1, sha1);
34 memcpy(ent->name, path, len+1);
37 static int ent_compare(const void *a_, const void *b_)
39 struct treeent *a = *(struct treeent **)a_;
40 struct treeent *b = *(struct treeent **)b_;
41 return base_name_compare(a->name, a->len, a->mode,
42 b->name, b->len, b->mode);
45 static void write_tree(unsigned char *sha1)
47 struct strbuf buf;
48 size_t size;
49 int i;
51 qsort(entries, used, sizeof(*entries), ent_compare);
52 for (size = i = 0; i < used; i++)
53 size += 32 + entries[i]->len;
55 strbuf_init(&buf, size);
56 for (i = 0; i < used; i++) {
57 struct treeent *ent = entries[i];
58 strbuf_addf(&buf, "%o %s%c", ent->mode, ent->name, '\0');
59 strbuf_add(&buf, ent->sha1, 20);
62 write_sha1_file(buf.buf, buf.len, tree_type, sha1);
65 static const char *mktree_usage[] = {
66 "git mktree [-z] [--missing] [--batch]",
67 NULL
70 static void mktree_line(char *buf, size_t len, int line_termination, int allow_missing)
72 char *ptr, *ntr;
73 unsigned mode;
74 enum object_type mode_type; /* object type derived from mode */
75 enum object_type obj_type; /* object type derived from sha */
76 char *path;
77 unsigned char sha1[20];
79 ptr = buf;
81 * Read non-recursive ls-tree output format:
82 * mode SP type SP sha1 TAB name
84 mode = strtoul(ptr, &ntr, 8);
85 if (ptr == ntr || !ntr || *ntr != ' ')
86 die("input format error: %s", buf);
87 ptr = ntr + 1; /* type */
88 ntr = strchr(ptr, ' ');
89 if (!ntr || buf + len <= ntr + 40 ||
90 ntr[41] != '\t' ||
91 get_sha1_hex(ntr + 1, sha1))
92 die("input format error: %s", buf);
94 /* It is perfectly normal if we do not have a commit from a submodule */
95 if (S_ISGITLINK(mode))
96 allow_missing = 1;
99 *ntr++ = 0; /* now at the beginning of SHA1 */
101 path = ntr + 41; /* at the beginning of name */
102 if (line_termination && path[0] == '"') {
103 struct strbuf p_uq = STRBUF_INIT;
104 if (unquote_c_style(&p_uq, path, NULL))
105 die("invalid quoting");
106 path = strbuf_detach(&p_uq, NULL);
110 * Object type is redundantly derivable three ways.
111 * These should all agree.
113 mode_type = object_type(mode);
114 if (mode_type != type_from_string(ptr)) {
115 die("entry '%s' object type (%s) doesn't match mode type (%s)",
116 path, ptr, typename(mode_type));
119 /* Check the type of object identified by sha1 */
120 obj_type = sha1_object_info(sha1, NULL);
121 if (obj_type < 0) {
122 if (allow_missing) {
123 ; /* no problem - missing objects are presumed to be of the right type */
124 } else {
125 die("entry '%s' object %s is unavailable", path, sha1_to_hex(sha1));
127 } else {
128 if (obj_type != mode_type) {
130 * The object exists but is of the wrong type.
131 * This is a problem regardless of allow_missing
132 * because the new tree entry will never be correct.
134 die("entry '%s' object %s is a %s but specified type was (%s)",
135 path, sha1_to_hex(sha1), typename(obj_type), typename(mode_type));
139 append_to_tree(mode, sha1, path);
142 int cmd_mktree(int ac, const char **av, const char *prefix)
144 struct strbuf sb = STRBUF_INIT;
145 unsigned char sha1[20];
146 int line_termination = '\n';
147 int allow_missing = 0;
148 int is_batch_mode = 0;
149 int got_eof = 0;
151 const struct option option[] = {
152 OPT_SET_INT('z', NULL, &line_termination, "input is NUL terminated", '\0'),
153 OPT_SET_INT( 0 , "missing", &allow_missing, "allow missing objects", 1),
154 OPT_SET_INT( 0 , "batch", &is_batch_mode, "allow creation of more than one tree", 1),
155 OPT_END()
158 ac = parse_options(ac, av, prefix, option, mktree_usage, 0);
160 while (!got_eof) {
161 while (1) {
162 if (strbuf_getline(&sb, stdin, line_termination) == EOF) {
163 got_eof = 1;
164 break;
166 if (sb.buf[0] == '\0') {
167 /* empty lines denote tree boundaries in batch mode */
168 if (is_batch_mode)
169 break;
170 die("input format error: (blank line only valid in batch mode)");
172 mktree_line(sb.buf, sb.len, line_termination, allow_missing);
174 if (is_batch_mode && got_eof && used < 1) {
176 * Execution gets here if the last tree entry is terminated with a
177 * new-line. The final new-line has been made optional to be
178 * consistent with the original non-batch behaviour of mktree.
180 ; /* skip creating an empty tree */
181 } else {
182 write_tree(sha1);
183 puts(sha1_to_hex(sha1));
184 fflush(stdout);
186 used=0; /* reset tree entry buffer for re-use in batch mode */
188 strbuf_release(&sb);
189 exit(0);