#include "cache.h"
#include "diff.h"
-static int diff_output_format = DIFF_FORMAT_HUMAN;
-static int detect_rename = 0;
-static int diff_setup_opt = 0;
-static int diff_score_opt = 0;
-static const char *pickaxe = NULL;
-static int pickaxe_opts = 0;
-static int diff_break_opt = -1;
-static const char *orderfile = NULL;
+static struct diff_options diff_options;
-static char *diff_stages_usage =
-"git-diff-stages [-p] [-r] [-z] [-M] [-C] [-R] [-S<string>] [-O<orderfile>] <stage1> <stage2> [<path>...]";
+static const char diff_stages_usage[] =
+"git-diff-stages [<common diff options>] <stage1> <stage2> [<path>...]"
+COMMON_DIFF_OPTIONS_HELP;
-int main(int ac, const char **av)
+static void diff_stages(int stage1, int stage2, const char **pathspec)
{
- int stage1, stage2, i;
-
- read_cache();
- while (1 < ac && av[1][0] == '-') {
- const char *arg = av[1];
- if (!strcmp(arg, "-r"))
- ; /* as usual */
- else if (!strcmp(arg, "-p"))
- diff_output_format = DIFF_FORMAT_PATCH;
- else if (!strncmp(arg, "-B", 2)) {
- if ((diff_break_opt = diff_scoreopt_parse(arg)) == -1)
- usage(diff_stages_usage);
- }
- else if (!strncmp(arg, "-M", 2)) {
- detect_rename = DIFF_DETECT_RENAME;
- if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1)
- usage(diff_stages_usage);
- }
- else if (!strncmp(arg, "-C", 2)) {
- detect_rename = DIFF_DETECT_COPY;
- if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1)
- usage(diff_stages_usage);
- }
- else if (!strcmp(arg, "-z"))
- diff_output_format = DIFF_FORMAT_MACHINE;
- else if (!strcmp(arg, "-R"))
- diff_setup_opt |= DIFF_SETUP_REVERSE;
- else if (!strncmp(arg, "-S", 2))
- pickaxe = arg + 2;
- else if (!strncmp(arg, "-O", 2))
- orderfile = arg + 2;
- else if (!strcmp(arg, "--pickaxe-all"))
- pickaxe_opts = DIFF_PICKAXE_ALL;
- else
- usage(diff_stages_usage);
- ac--; av++;
- }
-
- if (ac < 3 ||
- sscanf(av[1], "%d", &stage1) != 1 ||
- ! (0 <= stage1 && stage1 <= 3) ||
- sscanf(av[2], "%d", &stage2) != 1 ||
- ! (0 <= stage2 && stage2 <= 3))
- usage(diff_stages_usage);
-
- av += 3; /* The rest from av[0] are for paths restriction. */
- diff_setup(diff_setup_opt);
-
- i = 0;
+ int i = 0;
while (i < active_nr) {
struct cache_entry *ce, *stages[4] = { NULL, };
struct cache_entry *one, *two;
const char *name;
- int len;
+ int len, skip;
+
ce = active_cache[i];
+ skip = !ce_path_match(ce, pathspec);
len = ce_namelen(ce);
name = ce->name;
for (;;) {
}
one = stages[stage1];
two = stages[stage2];
- if (!one && !two)
+
+ if (skip || (!one && !two))
continue;
if (!one)
- diff_addremove('+', ntohl(two->ce_mode),
+ diff_addremove(&diff_options, '+', ntohl(two->ce_mode),
two->sha1, name, NULL);
else if (!two)
- diff_addremove('-', ntohl(one->ce_mode),
+ diff_addremove(&diff_options, '-', ntohl(one->ce_mode),
one->sha1, name, NULL);
else if (memcmp(one->sha1, two->sha1, 20) ||
- (one->ce_mode != two->ce_mode))
- diff_change(ntohl(one->ce_mode), ntohl(two->ce_mode),
- one->sha1, two->sha1, name, NULL);
+ (one->ce_mode != two->ce_mode) ||
+ diff_options.find_copies_harder)
+ diff_change(&diff_options,
+ ntohl(one->ce_mode), ntohl(two->ce_mode),
+ one->sha1, two->sha1, name, NULL);
}
+}
+
+int main(int ac, const char **av)
+{
+ int stage1, stage2;
+ const char *prefix = setup_git_directory();
+ const char **pathspec = NULL;
+
+ git_config(git_diff_config);
+ read_cache();
+ diff_setup(&diff_options);
+ while (1 < ac && av[1][0] == '-') {
+ const char *arg = av[1];
+ if (!strcmp(arg, "-r"))
+ ; /* as usual */
+ else {
+ int diff_opt_cnt;
+ diff_opt_cnt = diff_opt_parse(&diff_options,
+ av+1, ac-1);
+ if (diff_opt_cnt < 0)
+ usage(diff_stages_usage);
+ else if (diff_opt_cnt) {
+ av += diff_opt_cnt;
+ ac -= diff_opt_cnt;
+ continue;
+ }
+ else
+ usage(diff_stages_usage);
+ }
+ ac--; av++;
+ }
+
+ if (ac < 3 ||
+ sscanf(av[1], "%d", &stage1) != 1 ||
+ ! (0 <= stage1 && stage1 <= 3) ||
+ sscanf(av[2], "%d", &stage2) != 1 ||
+ ! (0 <= stage2 && stage2 <= 3))
+ usage(diff_stages_usage);
+
+ av += 3; /* The rest from av[0] are for paths restriction. */
+ pathspec = get_pathspec(prefix, av);
+
+ if (diff_setup_done(&diff_options) < 0)
+ usage(diff_stages_usage);
- diffcore_std(av,
- detect_rename, diff_score_opt,
- pickaxe, pickaxe_opts,
- diff_break_opt,
- orderfile);
- diff_flush(diff_output_format, 1);
+ diff_stages(stage1, stage2, pathspec);
+ diffcore_std(&diff_options);
+ diff_flush(&diff_options);
return 0;
}