#include "cache.h"
#include "builtin.h"
#include "parse-options.h"
+#include "range-diff.h"
+#include "config.h"
static const char * const builtin_range_diff_usage[] = {
N_("git range-diff [<options>] <old-base>..<old-tip> <new-base>..<new-tip>"),
NULL
};
+static struct strbuf *output_prefix_cb(struct diff_options *opt, void *data)
+{
+ return data;
+}
+
int cmd_range_diff(int argc, const char **argv, const char *prefix)
{
int creation_factor = 60;
+ struct diff_options diffopt = { NULL };
+ int simple_color = -1;
struct option options[] = {
OPT_INTEGER(0, "creation-factor", &creation_factor,
N_("Percentage by which creation is weighted")),
+ OPT_BOOL(0, "no-dual-color", &simple_color,
+ N_("use simple diff colors")),
OPT_END()
};
+ int i, j, res = 0;
+ struct strbuf four_spaces = STRBUF_INIT;
+ struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
+
+ git_config(git_diff_ui_config, NULL);
+
+ diff_setup(&diffopt);
+ diffopt.output_format = DIFF_FORMAT_PATCH;
+ diffopt.flags.suppress_diff_headers = 1;
+ diffopt.output_prefix = output_prefix_cb;
+ strbuf_addstr(&four_spaces, " ");
+ diffopt.output_prefix_data = &four_spaces;
argc = parse_options(argc, argv, NULL, options,
+ builtin_range_diff_usage, PARSE_OPT_KEEP_UNKNOWN |
+ PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
+
+ for (i = j = 1; i < argc && strcmp("--", argv[i]); ) {
+ int c = diff_opt_parse(&diffopt, argv + i, argc - i, prefix);
+
+ if (!c)
+ argv[j++] = argv[i++];
+ else
+ i += c;
+ }
+ while (i < argc)
+ argv[j++] = argv[i++];
+ argc = j;
+ diff_setup_done(&diffopt);
+
+ /* Make sure that there are no unparsed options */
+ argc = parse_options(argc, argv, NULL,
+ options + ARRAY_SIZE(options) - 1, /* OPT_END */
builtin_range_diff_usage, 0);
- return 0;
+ if (simple_color < 1) {
+ if (!simple_color)
+ /* force color when --dual-color was used */
+ diffopt.use_color = 1;
+ diffopt.flags.dual_color_diffed_diffs = 1;
+ }
+
+ if (argc == 2) {
+ if (!strstr(argv[0], ".."))
+ die(_("no .. in range: '%s'"), argv[0]);
+ strbuf_addstr(&range1, argv[0]);
+
+ if (!strstr(argv[1], ".."))
+ die(_("no .. in range: '%s'"), argv[1]);
+ strbuf_addstr(&range2, argv[1]);
+ } else if (argc == 3) {
+ strbuf_addf(&range1, "%s..%s", argv[0], argv[1]);
+ strbuf_addf(&range2, "%s..%s", argv[0], argv[2]);
+ } else if (argc == 1) {
+ const char *b = strstr(argv[0], "..."), *a = argv[0];
+ int a_len;
+
+ if (!b) {
+ error(_("single arg format must be symmetric range"));
+ usage_with_options(builtin_range_diff_usage, options);
+ }
+
+ a_len = (int)(b - a);
+ if (!a_len) {
+ a = "HEAD";
+ a_len = strlen(a);
+ }
+ b += 3;
+ if (!*b)
+ b = "HEAD";
+ strbuf_addf(&range1, "%s..%.*s", b, a_len, a);
+ strbuf_addf(&range2, "%.*s..%s", a_len, a, b);
+ } else {
+ error(_("need two commit ranges"));
+ usage_with_options(builtin_range_diff_usage, options);
+ }
+
+ res = show_range_diff(range1.buf, range2.buf, creation_factor,
+ &diffopt);
+
+ strbuf_release(&range1);
+ strbuf_release(&range2);
+ strbuf_release(&four_spaces);
+
+ return res;
}