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#include "cache.h"
#include "builtin.h"
#include "parse-options.h"
#include "range-diff.h"
#include "config.h"
#include "revision.h"
static const char * const builtin_range_diff_usage[] = {
N_("git range-diff [<options>] <old-base>..<old-tip> <new-base>..<new-tip>"),
N_("git range-diff [<options>] <old-tip>...<new-tip>"),
N_("git range-diff [<options>] <base> <old-tip> <new-tip>"),
NULL
};
int cmd_range_diff(int argc, const char **argv, const char *prefix)
{
struct diff_options diffopt = { NULL };
struct strvec other_arg = STRVEC_INIT;
struct range_diff_options range_diff_opts = {
.creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT,
.diffopt = &diffopt,
.other_arg = &other_arg
};
int simple_color = -1, left_only = 0, right_only = 0;
struct option range_diff_options[] = {
OPT_INTEGER(0, "creation-factor",
&range_diff_opts.creation_factor,
N_("percentage by which creation is weighted")),
OPT_BOOL(0, "no-dual-color", &simple_color,
N_("use simple diff colors")),
OPT_PASSTHRU_ARGV(0, "notes", &other_arg,
N_("notes"), N_("passed to 'git log'"),
PARSE_OPT_OPTARG),
OPT_BOOL(0, "left-only", &left_only,
N_("only emit output related to the first range")),
OPT_BOOL(0, "right-only", &right_only,
N_("only emit output related to the second range")),
OPT_END()
};
struct option *options;
int res = 0;
struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
struct object_id oid;
git_config(git_diff_ui_config, NULL);
repo_diff_setup(the_repository, &diffopt);
options = parse_options_concat(range_diff_options, diffopt.parseopts);
argc = parse_options(argc, argv, prefix, options,
builtin_range_diff_usage, 0);
diff_setup_done(&diffopt);
/* force color when --dual-color was used */
if (!simple_color)
diffopt.use_color = 1;
if (argc == 3) {
if (get_oid_committish(argv[0], &oid))
usage_msg_optf(_("not a revision: '%s'"),
builtin_range_diff_usage, options,
argv[0]);
else if (get_oid_committish(argv[1], &oid))
usage_msg_optf(_("not a revision: '%s'"),
builtin_range_diff_usage, options,
argv[1]);
else if (get_oid_committish(argv[2], &oid))
usage_msg_optf(_("not a revision: '%s'"),
builtin_range_diff_usage, options,
argv[2]);
strbuf_addf(&range1, "%s..%s", argv[0], argv[1]);
strbuf_addf(&range2, "%s..%s", argv[0], argv[2]);
} else if (argc == 2) {
if (!is_range_diff_range(argv[0]))
usage_msg_optf(_("not a commit range: '%s'"),
builtin_range_diff_usage, options,
argv[0]);
else if (!is_range_diff_range(argv[1]))
usage_msg_optf(_("not a commit range: '%s'"),
builtin_range_diff_usage, options,
argv[1]);
strbuf_addstr(&range1, argv[0]);
strbuf_addstr(&range2, argv[1]);
} else if (argc == 1) {
const char *b = strstr(argv[0], "..."), *a = argv[0];
int a_len;
if (!b)
usage_msg_optf(_("not a symmetric range: '%s'"),
builtin_range_diff_usage, options,
argv[0]);
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
usage_msg_opt(_("need two commit ranges"),
builtin_range_diff_usage, options);
FREE_AND_NULL(options);
range_diff_opts.dual_color = simple_color < 1;
range_diff_opts.left_only = left_only;
range_diff_opts.right_only = right_only;
res = show_range_diff(range1.buf, range2.buf, &range_diff_opts);
strvec_clear(&other_arg);
strbuf_release(&range1);
strbuf_release(&range2);
return res;
}
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