62 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
| /*
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|  * GIT - The information manager from hell
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|  */
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| 
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| #include "cache.h"
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| #include "refs.h"
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| #include "builtin.h"
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| #include "strbuf.h"
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| 
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| static const char builtin_check_ref_format_usage[] =
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| "git check-ref-format [--print] <refname>\n"
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| "   or: git check-ref-format --branch <branchname-shorthand>";
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| 
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| /*
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|  * Replace each run of adjacent slashes in src with a single slash,
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|  * and write the result to dst.
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|  *
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|  * This function is similar to normalize_path_copy(), but stripped down
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|  * to meet check_ref_format's simpler needs.
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|  */
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| static void collapse_slashes(char *dst, const char *src)
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| {
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| 	char ch;
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| 	char prev = '\0';
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| 
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| 	while ((ch = *src++) != '\0') {
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| 		if (prev == '/' && ch == prev)
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| 			continue;
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| 
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| 		*dst++ = ch;
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| 		prev = ch;
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| 	}
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| 	*dst = '\0';
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| }
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| 
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| int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
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| {
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| 	if (argc == 2 && !strcmp(argv[1], "-h"))
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| 		usage(builtin_check_ref_format_usage);
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| 
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| 	if (argc == 3 && !strcmp(argv[1], "--branch")) {
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| 		struct strbuf sb = STRBUF_INIT;
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| 
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| 		if (strbuf_check_branch_ref(&sb, argv[2]))
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| 			die("'%s' is not a valid branch name", argv[2]);
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| 		printf("%s\n", sb.buf + 11);
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| 		exit(0);
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| 	}
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| 	if (argc == 3 && !strcmp(argv[1], "--print")) {
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| 		char *refname = xmalloc(strlen(argv[2]) + 1);
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| 
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| 		if (check_ref_format(argv[2]))
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| 			exit(1);
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| 		collapse_slashes(refname, argv[2]);
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| 		printf("%s\n", refname);
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| 		exit(0);
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| 	}
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| 	if (argc != 2)
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| 		usage(builtin_check_ref_format_usage);
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| 	return !!check_ref_format(argv[1]);
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| }
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