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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#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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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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 * 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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	while ((ch = *src++) != '\0') {
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		if (prev == '/' && ch == prev)
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			continue;
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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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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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	if (argc == 3 && !strcmp(argv[1], "--branch")) {
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		struct strbuf sb = STRBUF_INIT;
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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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		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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