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-rw-r--r--builtin/range-diff.c131
1 files changed, 99 insertions, 32 deletions
diff --git a/builtin/range-diff.c b/builtin/range-diff.c
index 24c4162f74..e455a4795c 100644
--- a/builtin/range-diff.c
+++ b/builtin/range-diff.c
@@ -1,8 +1,11 @@
-#include "cache.h"
#include "builtin.h"
+#include "gettext.h"
+#include "object-name.h"
#include "parse-options.h"
#include "range-diff.h"
#include "config.h"
+#include "repository.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>"),
@@ -13,31 +16,42 @@ NULL
int cmd_range_diff(int argc, const char **argv, const char *prefix)
{
- int creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT;
struct diff_options diffopt = { NULL };
struct strvec other_arg = STRVEC_INIT;
- int simple_color = -1;
+ 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", &creation_factor,
- N_("Percentage by which creation is weighted")),
+ 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;
+ int i, dash_dash = -1, res = 0;
struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
+ struct object_id oid;
+ const char *three_dots = NULL;
git_config(git_diff_ui_config, NULL);
repo_diff_setup(the_repository, &diffopt);
- options = parse_options_concat(range_diff_options, diffopt.parseopts);
+ options = add_diff_options(range_diff_options, &diffopt);
argc = parse_options(argc, argv, prefix, options,
- builtin_range_diff_usage, 0);
+ builtin_range_diff_usage, PARSE_OPT_KEEP_DASHDASH);
diff_setup_done(&diffopt);
@@ -45,44 +59,97 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
if (!simple_color)
diffopt.use_color = 1;
- if (argc == 2) {
- if (!strstr(argv[0], ".."))
- die(_("no .. in range: '%s'"), argv[0]);
- strbuf_addstr(&range1, argv[0]);
+ for (i = 0; i < argc; i++)
+ if (!strcmp(argv[i], "--")) {
+ dash_dash = i;
+ break;
+ }
+
+ if (dash_dash == 3 ||
+ (dash_dash < 0 && argc > 2 &&
+ !repo_get_oid_committish(the_repository, argv[0], &oid) &&
+ !repo_get_oid_committish(the_repository, argv[1], &oid) &&
+ !repo_get_oid_committish(the_repository, argv[2], &oid))) {
+ if (dash_dash < 0)
+ ; /* already validated arguments */
+ else if (repo_get_oid_committish(the_repository, argv[0], &oid))
+ usage_msg_optf(_("not a revision: '%s'"),
+ builtin_range_diff_usage, options,
+ argv[0]);
+ else if (repo_get_oid_committish(the_repository, argv[1], &oid))
+ usage_msg_optf(_("not a revision: '%s'"),
+ builtin_range_diff_usage, options,
+ argv[1]);
+ else if (repo_get_oid_committish(the_repository, argv[2], &oid))
+ usage_msg_optf(_("not a revision: '%s'"),
+ builtin_range_diff_usage, options,
+ argv[2]);
- 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];
+
+ strvec_pushv(&other_arg, argv +
+ (dash_dash < 0 ? 3 : dash_dash));
+ } else if (dash_dash == 2 ||
+ (dash_dash < 0 && argc > 1 &&
+ is_range_diff_range(argv[0]) &&
+ is_range_diff_range(argv[1]))) {
+ if (dash_dash < 0)
+ ; /* already validated arguments */
+ else 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]);
+
+ strvec_pushv(&other_arg, argv +
+ (dash_dash < 0 ? 2 : dash_dash));
+ } else if (dash_dash == 1 ||
+ (dash_dash < 0 && argc > 0 &&
+ (three_dots = strstr(argv[0], "...")))) {
+ const char *a, *b;
int a_len;
- if (!b) {
- error(_("single arg format must be symmetric range"));
- usage_with_options(builtin_range_diff_usage, options);
- }
+ if (dash_dash < 0)
+ ; /* already validated arguments */
+ else if (!(three_dots = strstr(argv[0], "...")))
+ usage_msg_optf(_("not a symmetric range: '%s'"),
+ builtin_range_diff_usage, options,
+ argv[0]);
- a_len = (int)(b - a);
- if (!a_len) {
+ if (three_dots == argv[0]) {
a = "HEAD";
a_len = strlen(a);
+ } else {
+ a = argv[0];
+ a_len = (int)(three_dots - a);
}
- b += 3;
- if (!*b)
+
+ if (three_dots[3])
+ b = three_dots + 3;
+ else
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);
- }
+
+ strvec_pushv(&other_arg, argv +
+ (dash_dash < 0 ? 1 : dash_dash));
+ } else
+ usage_msg_opt(_("need two commit ranges"),
+ builtin_range_diff_usage, options);
FREE_AND_NULL(options);
- res = show_range_diff(range1.buf, range2.buf, creation_factor,
- simple_color < 1, &diffopt, &other_arg);
+ 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);