| /* |
| * GIT - The information manager from hell |
| * |
| * Copyright (C) Linus Torvalds, 2005 |
| * Copyright (C) Junio C Hamano, 2005 |
| */ |
| #include "cache.h" |
| |
| static void hash_object(const char *path, const char *type, int write_object) |
| { |
| int fd; |
| struct stat st; |
| unsigned char sha1[20]; |
| fd = open(path, O_RDONLY); |
| if (fd < 0 || |
| fstat(fd, &st) < 0 || |
| index_fd(sha1, fd, &st, write_object, type)) |
| die(write_object |
| ? "Unable to add %s to database" |
| : "Unable to hash %s", path); |
| printf("%s\n", sha1_to_hex(sha1)); |
| } |
| |
| static void hash_stdin(const char *type, int write_object) |
| { |
| unsigned char sha1[20]; |
| if (index_pipe(sha1, 0, type, write_object)) |
| die("Unable to add stdin to database"); |
| printf("%s\n", sha1_to_hex(sha1)); |
| } |
| |
| static const char hash_object_usage[] = |
| "git-hash-object [-t <type>] [-w] [--stdin] <file>..."; |
| |
| int main(int argc, char **argv) |
| { |
| int i; |
| const char *type = "blob"; |
| int write_object = 0; |
| const char *prefix = NULL; |
| int prefix_length = -1; |
| int no_more_flags = 0; |
| |
| for (i = 1 ; i < argc; i++) { |
| if (!no_more_flags && argv[i][0] == '-') { |
| if (!strcmp(argv[i], "-t")) { |
| if (argc <= ++i) |
| die(hash_object_usage); |
| type = argv[i]; |
| } |
| else if (!strcmp(argv[i], "-w")) { |
| if (prefix_length < 0) { |
| prefix = setup_git_directory(); |
| prefix_length = |
| prefix ? strlen(prefix) : 0; |
| } |
| write_object = 1; |
| } |
| else if (!strcmp(argv[i], "--")) { |
| no_more_flags = 1; |
| } |
| else if (!strcmp(argv[i], "--help")) |
| usage(hash_object_usage); |
| else if (!strcmp(argv[i], "--stdin")) { |
| hash_stdin(type, write_object); |
| } |
| else |
| die(hash_object_usage); |
| } |
| else { |
| const char *arg = argv[i]; |
| if (0 <= prefix_length) |
| arg = prefix_filename(prefix, prefix_length, |
| arg); |
| hash_object(arg, type, write_object); |
| no_more_flags = 1; |
| } |
| } |
| return 0; |
| } |