84 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			84 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	git_config(git_default_config);
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| 
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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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