2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Junio C Hamano, 2005
10 #include "parse-options.h"
12 static void hash_fd(int fd
, const char *type
, int write_object
, const char *path
)
15 unsigned char sha1
[20];
16 if (fstat(fd
, &st
) < 0 ||
17 index_fd(sha1
, fd
, &st
, write_object
, type_from_string(type
), path
))
19 ? "Unable to add %s to database"
20 : "Unable to hash %s", path
);
21 printf("%s\n", sha1_to_hex(sha1
));
22 maybe_flush_or_die(stdout
, "hash to stdout");
25 static void hash_object(const char *path
, const char *type
, int write_object
)
28 fd
= open(path
, O_RDONLY
);
30 die("Cannot open %s", path
);
31 hash_fd(fd
, type
, write_object
, path
);
34 static void hash_stdin_paths(const char *type
, int write_objects
)
36 struct strbuf buf
, nbuf
;
39 strbuf_init(&nbuf
, 0);
40 while (strbuf_getline(&buf
, stdin
, '\n') != EOF
) {
41 if (buf
.buf
[0] == '"') {
43 if (unquote_c_style(&nbuf
, buf
.buf
, NULL
))
44 die("line is badly quoted");
45 strbuf_swap(&buf
, &nbuf
);
47 hash_object(buf
.buf
, type
, write_objects
);
50 strbuf_release(&nbuf
);
53 static const char * const hash_object_usage
[] = {
54 "git hash-object [-t <type>] [-w] [--stdin] [--] <file>...",
55 "git hash-object --stdin-paths < <list-of-paths>",
59 static const char *type
;
60 static int write_object
;
62 static int stdin_paths
;
64 static const struct option hash_object_options
[] = {
65 OPT_STRING('t', NULL
, &type
, "type", "object type"),
66 OPT_BOOLEAN('w', NULL
, &write_object
, "write the object into the object database"),
67 OPT_BOOLEAN( 0 , "stdin", &hashstdin
, "read the object from stdin"),
68 OPT_BOOLEAN( 0 , "stdin-paths", &stdin_paths
, "read file names from stdin"),
72 int main(int argc
, const char **argv
)
75 const char *prefix
= NULL
;
76 int prefix_length
= -1;
77 const char *errstr
= NULL
;
81 git_config(git_default_config
, NULL
);
83 argc
= parse_options(argc
, argv
, hash_object_options
, hash_object_usage
, 0);
86 prefix
= setup_git_directory();
87 prefix_length
= prefix
? strlen(prefix
) : 0;
92 errstr
= "Can't use --stdin-paths with --stdin";
94 errstr
= "Can't specify files with --stdin-paths";
96 else if (hashstdin
> 1)
97 errstr
= "Multiple --stdin arguments are not supported";
101 usage_with_options(hash_object_usage
, hash_object_options
);
105 hash_fd(0, type
, write_object
, NULL
);
107 for (i
= 0 ; i
< argc
; i
++) {
108 const char *arg
= argv
[i
];
110 if (0 <= prefix_length
)
111 arg
= prefix_filename(prefix
, prefix_length
, arg
);
112 hash_object(arg
, type
, write_object
);
116 hash_stdin_paths(type
, write_object
);