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Squashed 'third_party/git/' content from commit cb71568594

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git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
This commit is contained in:
Vincent Ambo 2020-01-11 23:36:56 +00:00
commit 1b593e1ea4
3629 changed files with 1139935 additions and 0 deletions
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87
builtin/range-diff.c Normal file
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#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>"),
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)
{
int creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT;
struct diff_options diffopt = { NULL };
int simple_color = -1;
struct option range_diff_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()
};
struct option *options;
int res = 0;
struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
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 == 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);
}
FREE_AND_NULL(options);
res = show_range_diff(range1.buf, range2.buf, creation_factor,
simple_color < 1, &diffopt);
strbuf_release(&range1);
strbuf_release(&range2);
return res;
}