gitweb: Clearly distinguish regexp / exact match searches
[git/git.git] / hash-object.c
1 /*
2 * GIT - The information manager from hell
3 *
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Junio C Hamano, 2005
6 */
7 #include "cache.h"
8 #include "blob.h"
9
10 static void hash_object(const char *path, enum object_type type, int write_object)
11 {
12 int fd;
13 struct stat st;
14 unsigned char sha1[20];
15 fd = open(path, O_RDONLY);
16 if (fd < 0 ||
17 fstat(fd, &st) < 0 ||
18 index_fd(sha1, fd, &st, write_object, type, path))
19 die(write_object
20 ? "Unable to add %s to database"
21 : "Unable to hash %s", path);
22 printf("%s\n", sha1_to_hex(sha1));
23 }
24
25 static void hash_stdin(const char *type, int write_object)
26 {
27 unsigned char sha1[20];
28 if (index_pipe(sha1, 0, type, write_object))
29 die("Unable to add stdin to database");
30 printf("%s\n", sha1_to_hex(sha1));
31 }
32
33 static const char hash_object_usage[] =
34 "git-hash-object [-t <type>] [-w] [--stdin] <file>...";
35
36 int main(int argc, char **argv)
37 {
38 int i;
39 const char *type = blob_type;
40 int write_object = 0;
41 const char *prefix = NULL;
42 int prefix_length = -1;
43 int no_more_flags = 0;
44
45 git_config(git_default_config);
46
47 for (i = 1 ; i < argc; i++) {
48 if (!no_more_flags && argv[i][0] == '-') {
49 if (!strcmp(argv[i], "-t")) {
50 if (argc <= ++i)
51 usage(hash_object_usage);
52 type = argv[i];
53 }
54 else if (!strcmp(argv[i], "-w")) {
55 if (prefix_length < 0) {
56 prefix = setup_git_directory();
57 prefix_length =
58 prefix ? strlen(prefix) : 0;
59 }
60 write_object = 1;
61 }
62 else if (!strcmp(argv[i], "--")) {
63 no_more_flags = 1;
64 }
65 else if (!strcmp(argv[i], "--help"))
66 usage(hash_object_usage);
67 else if (!strcmp(argv[i], "--stdin")) {
68 hash_stdin(type, write_object);
69 }
70 else
71 usage(hash_object_usage);
72 }
73 else {
74 const char *arg = argv[i];
75 if (0 <= prefix_length)
76 arg = prefix_filename(prefix, prefix_length,
77 arg);
78 hash_object(arg, type_from_string(type), write_object);
79 no_more_flags = 1;
80 }
81 }
82 return 0;
83 }