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https://github.com/git/git
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Merge branch 'js/range-diff-with-pathspec'
Allow passing a pathspec to "git range-diff". * js/range-diff-with-pathspec: range-diff: optionally accept pathspecs range-diff: consistently validate the arguments range-diff: reorder argument handling
This commit is contained in:
commit
428dce9f4d
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@ -12,6 +12,7 @@ SYNOPSIS
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[--no-dual-color] [--creation-factor=<factor>]
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[--left-only | --right-only]
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( <range1> <range2> | <rev1>...<rev2> | <base> <rev1> <rev2> )
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[[--] <path>...]
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DESCRIPTION
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-----------
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@ -19,6 +20,9 @@ DESCRIPTION
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This command shows the differences between two versions of a patch
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series, or more generally, two commit ranges (ignoring merge commits).
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In the presence of `<path>` arguments, these commit ranges are limited
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accordingly.
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To that end, it first finds pairs of commits from both commit ranges
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that correspond with each other. Two commits are said to correspond when
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the diff between their patches (i.e. the author information, the commit
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@ -38,8 +38,10 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
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OPT_END()
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};
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struct option *options;
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int res = 0;
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int i, dash_dash = -1, res = 0;
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struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
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struct object_id oid;
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const char *three_dots = NULL;
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git_config(git_diff_ui_config, NULL);
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@ -47,7 +49,7 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
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options = parse_options_concat(range_diff_options, diffopt.parseopts);
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argc = parse_options(argc, argv, prefix, options,
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builtin_range_diff_usage, 0);
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builtin_range_diff_usage, PARSE_OPT_KEEP_DASHDASH);
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diff_setup_done(&diffopt);
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@ -55,40 +57,91 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
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if (!simple_color)
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diffopt.use_color = 1;
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if (argc == 2) {
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if (!is_range_diff_range(argv[0]))
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die(_("not a commit range: '%s'"), argv[0]);
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strbuf_addstr(&range1, argv[0]);
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for (i = 0; i < argc; i++)
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if (!strcmp(argv[i], "--")) {
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dash_dash = i;
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break;
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}
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if (dash_dash == 3 ||
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(dash_dash < 0 && argc > 2 &&
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!get_oid_committish(argv[0], &oid) &&
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!get_oid_committish(argv[1], &oid) &&
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!get_oid_committish(argv[2], &oid))) {
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if (dash_dash < 0)
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; /* already validated arguments */
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else if (get_oid_committish(argv[0], &oid))
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usage_msg_optf(_("not a revision: '%s'"),
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builtin_range_diff_usage, options,
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argv[0]);
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else if (get_oid_committish(argv[1], &oid))
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usage_msg_optf(_("not a revision: '%s'"),
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builtin_range_diff_usage, options,
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argv[1]);
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else if (get_oid_committish(argv[2], &oid))
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usage_msg_optf(_("not a revision: '%s'"),
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builtin_range_diff_usage, options,
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argv[2]);
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if (!is_range_diff_range(argv[1]))
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die(_("not a commit 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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strvec_pushv(&other_arg, argv +
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(dash_dash < 0 ? 3 : dash_dash));
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} else if (dash_dash == 2 ||
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(dash_dash < 0 && argc > 1 &&
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is_range_diff_range(argv[0]) &&
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is_range_diff_range(argv[1]))) {
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if (dash_dash < 0)
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; /* already validated arguments */
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else if (!is_range_diff_range(argv[0]))
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usage_msg_optf(_("not a commit range: '%s'"),
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builtin_range_diff_usage, options,
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argv[0]);
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else if (!is_range_diff_range(argv[1]))
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usage_msg_optf(_("not a commit range: '%s'"),
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builtin_range_diff_usage, options,
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argv[1]);
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strbuf_addstr(&range1, argv[0]);
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strbuf_addstr(&range2, argv[1]);
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strvec_pushv(&other_arg, argv +
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(dash_dash < 0 ? 2 : dash_dash));
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} else if (dash_dash == 1 ||
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(dash_dash < 0 && argc > 0 &&
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(three_dots = strstr(argv[0], "...")))) {
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const char *a, *b;
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int a_len;
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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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if (dash_dash < 0)
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; /* already validated arguments */
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else if (!(three_dots = strstr(argv[0], "...")))
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usage_msg_optf(_("not a symmetric range: '%s'"),
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builtin_range_diff_usage, options,
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argv[0]);
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a_len = (int)(b - a);
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if (!a_len) {
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if (three_dots == argv[0]) {
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a = "HEAD";
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a_len = strlen(a);
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} else {
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a = argv[0];
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a_len = (int)(three_dots - a);
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}
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b += 3;
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if (!*b)
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if (three_dots[3])
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b = three_dots + 3;
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else
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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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strvec_pushv(&other_arg, argv +
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(dash_dash < 0 ? 1 : dash_dash));
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} else
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usage_msg_opt(_("need two commit ranges"),
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builtin_range_diff_usage, options);
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FREE_AND_NULL(options);
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range_diff_opts.dual_color = simple_color < 1;
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@ -57,9 +57,9 @@ static int read_patches(const char *range, struct string_list *list,
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"--pretty=medium",
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"--notes",
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NULL);
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strvec_push(&cp.args, range);
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if (other_arg)
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strvec_pushv(&cp.args, other_arg->v);
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strvec_push(&cp.args, range);
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cp.out = -1;
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cp.no_stdin = 1;
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cp.git_cmd = 1;
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@ -162,7 +162,7 @@ test_expect_success 'A^! and A^-<n> (unmodified)' '
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'
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test_expect_success 'A^{/..} is not mistaken for a range' '
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test_must_fail git range-diff topic^.. topic^{/..} 2>error &&
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test_must_fail git range-diff topic^.. topic^{/..} -- 2>error &&
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test_i18ngrep "not a commit range" error
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'
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@ -772,6 +772,17 @@ test_expect_success '--left-only/--right-only' '
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test_cmp expect actual
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'
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test_expect_success 'ranges with pathspecs' '
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git range-diff topic...mode-only-change -- other-file >actual &&
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test_line_count = 2 actual &&
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topic_oid=$(git rev-parse --short topic) &&
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mode_change_oid=$(git rev-parse --short mode-only-change^) &&
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file_change_oid=$(git rev-parse --short mode-only-change) &&
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grep "$mode_change_oid" actual &&
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! grep "$file_change_oid" actual &&
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! grep "$topic_oid" actual
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'
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test_expect_success 'submodule changes are shown irrespective of diff.submodule' '
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git init sub-repo &&
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test_commit -C sub-repo sub-first &&
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