105 lines
3.0 KiB
C
105 lines
3.0 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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#include "revision.h"
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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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int cmd_range_diff(int argc, const char **argv, const char *prefix)
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{
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struct diff_options diffopt = { NULL };
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struct strvec other_arg = STRVEC_INIT;
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struct range_diff_options range_diff_opts = {
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.creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT,
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.diffopt = &diffopt,
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.other_arg = &other_arg
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};
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int simple_color = -1, left_only = 0, right_only = 0;
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struct option range_diff_options[] = {
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OPT_INTEGER(0, "creation-factor",
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&range_diff_opts.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_PASSTHRU_ARGV(0, "notes", &other_arg,
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N_("notes"), N_("passed to 'git log'"),
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PARSE_OPT_OPTARG),
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OPT_BOOL(0, "left-only", &left_only,
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N_("only emit output related to the first range")),
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OPT_BOOL(0, "right-only", &right_only,
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N_("only emit output related to the second range")),
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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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struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
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git_config(git_diff_ui_config, NULL);
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repo_diff_setup(the_repository, &diffopt);
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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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diff_setup_done(&diffopt);
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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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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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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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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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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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FREE_AND_NULL(options);
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range_diff_opts.dual_color = simple_color < 1;
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range_diff_opts.left_only = left_only;
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range_diff_opts.right_only = right_only;
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res = show_range_diff(range1.buf, range2.buf, &range_diff_opts);
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strvec_clear(&other_arg);
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strbuf_release(&range1);
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strbuf_release(&range2);
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return res;
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}
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