You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
3.4 KiB
126 lines
3.4 KiB
/* |
|
* Copyright (c) 2005 Junio C Hamano |
|
*/ |
|
|
|
#include "cache.h" |
|
#include "diff.h" |
|
|
|
static int diff_output_format = DIFF_FORMAT_HUMAN; |
|
static int detect_rename = 0; |
|
static int find_copies_harder = 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 const char *diff_filter = NULL; |
|
|
|
static char *diff_stages_usage = |
|
"git-diff-stages [-p] [-r] [-z] [-R] [-B] [-M] [-C] [--find-copies-harder] [-O<orderfile>] [-S<string>] [--pickaxe-all] <stage1> <stage2> [<path>...]"; |
|
|
|
static void diff_stages(int stage1, int stage2) |
|
{ |
|
int i = 0; |
|
while (i < active_nr) { |
|
struct cache_entry *ce, *stages[4] = { NULL, }; |
|
struct cache_entry *one, *two; |
|
const char *name; |
|
int len; |
|
ce = active_cache[i]; |
|
len = ce_namelen(ce); |
|
name = ce->name; |
|
for (;;) { |
|
int stage = ce_stage(ce); |
|
stages[stage] = ce; |
|
if (active_nr <= ++i) |
|
break; |
|
ce = active_cache[i]; |
|
if (ce_namelen(ce) != len || |
|
memcmp(name, ce->name, len)) |
|
break; |
|
} |
|
one = stages[stage1]; |
|
two = stages[stage2]; |
|
if (!one && !two) |
|
continue; |
|
if (!one) |
|
diff_addremove('+', ntohl(two->ce_mode), |
|
two->sha1, name, NULL); |
|
else if (!two) |
|
diff_addremove('-', ntohl(one->ce_mode), |
|
one->sha1, name, NULL); |
|
else if (memcmp(one->sha1, two->sha1, 20) || |
|
(one->ce_mode != two->ce_mode) || |
|
find_copies_harder) |
|
diff_change(ntohl(one->ce_mode), ntohl(two->ce_mode), |
|
one->sha1, two->sha1, name, NULL); |
|
} |
|
} |
|
|
|
int main(int ac, const char **av) |
|
{ |
|
int stage1, stage2; |
|
|
|
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, "--find-copies-harder")) |
|
find_copies_harder = 1; |
|
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 (!strncmp(arg, "--diff-filter=", 14)) |
|
diff_filter = arg + 14; |
|
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) || |
|
(find_copies_harder && detect_rename != DIFF_DETECT_COPY)) |
|
usage(diff_stages_usage); |
|
|
|
av += 3; /* The rest from av[0] are for paths restriction. */ |
|
diff_setup(diff_setup_opt); |
|
|
|
diff_stages(stage1, stage2); |
|
|
|
diffcore_std(av, |
|
detect_rename, diff_score_opt, |
|
pickaxe, pickaxe_opts, |
|
diff_break_opt, |
|
orderfile, |
|
diff_filter); |
|
diff_flush(diff_output_format); |
|
return 0; |
|
}
|
|
|