]>
Commit | Line | Data |
---|---|---|
7672db20 BL |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
8e440259 | 5 | * Copyright (C) Junio C Hamano, 2005 |
7672db20 BL |
6 | */ |
7 | #include "cache.h" | |
8e440259 | 8 | #include "blob.h" |
d8ee4832 | 9 | #include "quote.h" |
548601ad | 10 | #include "parse-options.h" |
7672db20 | 11 | |
43df4f86 | 12 | static void hash_fd(int fd, const char *type, int write_object, const char *path) |
7672db20 | 13 | { |
7672db20 BL |
14 | struct stat st; |
15 | unsigned char sha1[20]; | |
43df4f86 DP |
16 | if (fstat(fd, &st) < 0 || |
17 | index_fd(sha1, fd, &st, write_object, type_from_string(type), path)) | |
7672db20 BL |
18 | die(write_object |
19 | ? "Unable to add %s to database" | |
20 | : "Unable to hash %s", path); | |
21 | printf("%s\n", sha1_to_hex(sha1)); | |
d8ee4832 | 22 | maybe_flush_or_die(stdout, "hash to stdout"); |
7672db20 BL |
23 | } |
24 | ||
39702431 DP |
25 | static void hash_object(const char *path, const char *type, int write_object, |
26 | const char *vpath) | |
024510c8 | 27 | { |
43df4f86 DP |
28 | int fd; |
29 | fd = open(path, O_RDONLY); | |
30 | if (fd < 0) | |
31 | die("Cannot open %s", path); | |
39702431 | 32 | hash_fd(fd, type, write_object, vpath); |
024510c8 DB |
33 | } |
34 | ||
d8ee4832 AR |
35 | static void hash_stdin_paths(const char *type, int write_objects) |
36 | { | |
f285a2d7 | 37 | struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT; |
d8ee4832 | 38 | |
d8ee4832 AR |
39 | while (strbuf_getline(&buf, stdin, '\n') != EOF) { |
40 | if (buf.buf[0] == '"') { | |
41 | strbuf_reset(&nbuf); | |
42 | if (unquote_c_style(&nbuf, buf.buf, NULL)) | |
43 | die("line is badly quoted"); | |
44 | strbuf_swap(&buf, &nbuf); | |
45 | } | |
39702431 | 46 | hash_object(buf.buf, type, write_objects, buf.buf); |
d8ee4832 AR |
47 | } |
48 | strbuf_release(&buf); | |
49 | strbuf_release(&nbuf); | |
50 | } | |
51 | ||
548601ad | 52 | static const char * const hash_object_usage[] = { |
4a3d85dc | 53 | "git hash-object [-t <type>] [-w] [--path=<file>|--no-filters] [--stdin] [--] <file>...", |
548601ad DP |
54 | "git hash-object --stdin-paths < <list-of-paths>", |
55 | NULL | |
56 | }; | |
7672db20 | 57 | |
548601ad DP |
58 | static const char *type; |
59 | static int write_object; | |
60 | static int hashstdin; | |
61 | static int stdin_paths; | |
4a3d85dc | 62 | static int no_filters; |
39702431 | 63 | static const char *vpath; |
548601ad DP |
64 | |
65 | static const struct option hash_object_options[] = { | |
66 | OPT_STRING('t', NULL, &type, "type", "object type"), | |
67 | OPT_BOOLEAN('w', NULL, &write_object, "write the object into the object database"), | |
68 | OPT_BOOLEAN( 0 , "stdin", &hashstdin, "read the object from stdin"), | |
69 | OPT_BOOLEAN( 0 , "stdin-paths", &stdin_paths, "read file names from stdin"), | |
4a3d85dc | 70 | OPT_BOOLEAN( 0 , "no-filters", &no_filters, "store file as is without filters"), |
39702431 | 71 | OPT_STRING( 0 , "path", &vpath, "file", "process file as it were from this path"), |
548601ad DP |
72 | OPT_END() |
73 | }; | |
74 | ||
75 | int main(int argc, const char **argv) | |
7672db20 BL |
76 | { |
77 | int i; | |
99e01692 | 78 | const char *prefix = NULL; |
706fe6ae | 79 | int prefix_length = -1; |
548601ad DP |
80 | const char *errstr = NULL; |
81 | ||
82 | type = blob_type; | |
7672db20 | 83 | |
ef90d6d4 | 84 | git_config(git_default_config, NULL); |
ff350ccf | 85 | |
548601ad DP |
86 | argc = parse_options(argc, argv, hash_object_options, hash_object_usage, 0); |
87 | ||
88 | if (write_object) { | |
89 | prefix = setup_git_directory(); | |
90 | prefix_length = prefix ? strlen(prefix) : 0; | |
39702431 DP |
91 | if (vpath && prefix) |
92 | vpath = prefix_filename(prefix, prefix_length, vpath); | |
7672db20 | 93 | } |
d8ee4832 | 94 | |
548601ad DP |
95 | if (stdin_paths) { |
96 | if (hashstdin) | |
97 | errstr = "Can't use --stdin-paths with --stdin"; | |
98 | else if (argc) | |
99 | errstr = "Can't specify files with --stdin-paths"; | |
39702431 DP |
100 | else if (vpath) |
101 | errstr = "Can't use --stdin-paths with --path"; | |
4a3d85dc DP |
102 | else if (no_filters) |
103 | errstr = "Can't use --stdin-paths with --no-filters"; | |
104 | } | |
105 | else { | |
106 | if (hashstdin > 1) | |
107 | errstr = "Multiple --stdin arguments are not supported"; | |
108 | if (vpath && no_filters) | |
109 | errstr = "Can't use --path with --no-filters"; | |
548601ad | 110 | } |
548601ad DP |
111 | |
112 | if (errstr) { | |
42fc1139 | 113 | error("%s", errstr); |
548601ad DP |
114 | usage_with_options(hash_object_usage, hash_object_options); |
115 | } | |
d8ee4832 | 116 | |
8a2f5e5b | 117 | if (hashstdin) |
39702431 | 118 | hash_fd(0, type, write_object, vpath); |
548601ad DP |
119 | |
120 | for (i = 0 ; i < argc; i++) { | |
121 | const char *arg = argv[i]; | |
122 | ||
123 | if (0 <= prefix_length) | |
124 | arg = prefix_filename(prefix, prefix_length, arg); | |
4a3d85dc DP |
125 | hash_object(arg, type, write_object, |
126 | no_filters ? NULL : vpath ? vpath : arg); | |
548601ad DP |
127 | } |
128 | ||
129 | if (stdin_paths) | |
130 | hash_stdin_paths(type, write_object); | |
131 | ||
7672db20 BL |
132 | return 0; |
133 | } |