1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* fscompare.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "difftool.h"
static struct option long_opts[] = {
{ "no-owner", no_argument, NULL, 'O' },
{ "no-permissions", no_argument, NULL, 'P' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
};
static const char *short_opts = "OPhV";
static const char *usagestr =
"Usage: fscompare [OPTIONS...] <first> <second>\n"
"\n"
"Compare two directories, making sure that each contains the same entries.\n"
"If an entry is a directory, comparison recurses into the directory.\n"
"\n"
"Possible options:\n"
"\n"
" --no-owner, -O Do not compare file owners.\n"
" --no-permissions, -P Do not compare permission bits.\n"
"\n"
" --help, -h Print help text and exit.\n"
" --version, -V Print version information and exit.\n"
"\n";
const char *first_path;
const char *second_path;
int compare_flags = 0;
static void process_options(int argc, char **argv)
{
int i;
for (;;) {
i = getopt_long(argc, argv, short_opts, long_opts, NULL);
if (i == -1)
break;
switch (i) {
case 'O':
compare_flags |= COMPARE_NO_OWNER;
break;
case 'P':
compare_flags |= COMPARE_NO_PERM;
break;
case 'h':
fputs(usagestr, stdout);
exit(EXIT_SUCCESS);
case 'V':
print_version();
exit(EXIT_SUCCESS);
default:
goto fail_arg;
}
}
if (optind >= argc) {
fputs("Missing arguments: first directory\n", stderr);
goto fail_arg;
}
first_path = argv[optind++];
if (optind >= argc) {
fputs("Missing arguments: second directory\n", stderr);
goto fail_arg;
}
second_path = argv[optind++];
if (optind < argc) {
fputs("Unknown extra arguments\n", stderr);
goto fail_arg;
}
return;
fail_arg:
fprintf(stderr, "Try `fscompare --help' for more information.\n");
exit(EXIT_FAILURE);
}
int main(int argc, char **argv)
{
int ret = EXIT_FAILURE;
fstree_t afs, bfs;
process_options(argc, argv);
if (fstree_init(&afs, 512, NULL))
return EXIT_FAILURE;
if (fstree_init(&bfs, 512, NULL))
goto out_afs;
if (fstree_from_dir(&afs, first_path, false))
goto out_bfs;
if (fstree_from_dir(&bfs, second_path, false))
goto out_bfs;
tree_node_sort_recursive(afs.root);
tree_node_sort_recursive(bfs.root);
if (node_compare(afs.root, bfs.root) == 0)
ret = EXIT_SUCCESS;
out_bfs:
fstree_cleanup(&bfs);
out_afs:
fstree_cleanup(&afs);
return ret;
}
|
