102 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
| #include "cache.h"
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| #include "builtin.h"
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| #include "parse-options.h"
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| #include "range-diff.h"
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| #include "config.h"
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| 
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| static const char * const builtin_range_diff_usage[] = {
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| N_("git range-diff [<options>] <old-base>..<old-tip> <new-base>..<new-tip>"),
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| N_("git range-diff [<options>] <old-tip>...<new-tip>"),
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| N_("git range-diff [<options>] <base> <old-tip> <new-tip>"),
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| NULL
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| };
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| 
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| int cmd_range_diff(int argc, const char **argv, const char *prefix)
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| {
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| 	int creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT;
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| 	struct diff_options diffopt = { NULL };
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| 	int simple_color = -1;
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| 	struct option options[] = {
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| 		OPT_INTEGER(0, "creation-factor", &creation_factor,
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| 			    N_("Percentage by which creation is weighted")),
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| 		OPT_BOOL(0, "no-dual-color", &simple_color,
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| 			    N_("use simple diff colors")),
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| 		OPT_END()
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| 	};
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| 	int i, j, res = 0;
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| 	struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
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| 
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| 	git_config(git_diff_ui_config, NULL);
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| 
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| 	repo_diff_setup(the_repository, &diffopt);
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| 
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| 	argc = parse_options(argc, argv, NULL, options,
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| 			     builtin_range_diff_usage, PARSE_OPT_KEEP_UNKNOWN |
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| 			     PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
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| 
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| 	for (i = j = 1; i < argc && strcmp("--", argv[i]); ) {
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| 		int c = diff_opt_parse(&diffopt, argv + i, argc - i, prefix);
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| 
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| 		if (!c)
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| 			argv[j++] = argv[i++];
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| 		else
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| 			i += c;
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| 	}
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| 	while (i < argc)
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| 		argv[j++] = argv[i++];
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| 	argc = j;
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| 	diff_setup_done(&diffopt);
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| 
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| 	/* Make sure that there are no unparsed options */
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| 	argc = parse_options(argc, argv, NULL,
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| 			     options + ARRAY_SIZE(options) - 1, /* OPT_END */
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| 			     builtin_range_diff_usage, 0);
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| 
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| 	/* force color when --dual-color was used */
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| 	if (!simple_color)
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| 		diffopt.use_color = 1;
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| 
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| 	if (argc == 2) {
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| 		if (!strstr(argv[0], ".."))
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| 			die(_("no .. in range: '%s'"), argv[0]);
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| 		strbuf_addstr(&range1, argv[0]);
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| 
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| 		if (!strstr(argv[1], ".."))
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| 			die(_("no .. in range: '%s'"), argv[1]);
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| 		strbuf_addstr(&range2, argv[1]);
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| 	} else if (argc == 3) {
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| 		strbuf_addf(&range1, "%s..%s", argv[0], argv[1]);
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| 		strbuf_addf(&range2, "%s..%s", argv[0], argv[2]);
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| 	} else if (argc == 1) {
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| 		const char *b = strstr(argv[0], "..."), *a = argv[0];
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| 		int a_len;
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| 
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| 		if (!b) {
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| 			error(_("single arg format must be symmetric range"));
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| 			usage_with_options(builtin_range_diff_usage, options);
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| 		}
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| 
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| 		a_len = (int)(b - a);
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| 		if (!a_len) {
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| 			a = "HEAD";
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| 			a_len = strlen(a);
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| 		}
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| 		b += 3;
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| 		if (!*b)
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| 			b = "HEAD";
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| 		strbuf_addf(&range1, "%s..%.*s", b, a_len, a);
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| 		strbuf_addf(&range2, "%.*s..%s", a_len, a, b);
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| 	} else {
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| 		error(_("need two commit ranges"));
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| 		usage_with_options(builtin_range_diff_usage, options);
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| 	}
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| 
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| 	res = show_range_diff(range1.buf, range2.buf, creation_factor,
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| 			      simple_color < 1, &diffopt);
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| 
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| 	strbuf_release(&range1);
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| 	strbuf_release(&range2);
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| 
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| 	return res;
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| }
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