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