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e7931683 HWN |
1 | /* |
2 | Copyright 2020 Google LLC | |
3 | ||
4 | Use of this source code is governed by a BSD-style | |
5 | license that can be found in the LICENSE file or at | |
6 | https://developers.google.com/open-source/licenses/bsd | |
7 | */ | |
8 | ||
9 | #include "git-compat-util.h" | |
d1cbe1e6 | 10 | #include "hash-ll.h" |
e7931683 HWN |
11 | |
12 | #include "reftable-blocksource.h" | |
13 | #include "reftable-error.h" | |
e7931683 HWN |
14 | #include "reftable-record.h" |
15 | #include "reftable-tests.h" | |
16 | #include "reftable-writer.h" | |
17 | #include "reftable-iterator.h" | |
18 | #include "reftable-reader.h" | |
19 | #include "reftable-stack.h" | |
e7931683 HWN |
20 | |
21 | #include <stddef.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <unistd.h> | |
25 | #include <string.h> | |
26 | ||
27 | static int compact_stack(const char *stackdir) | |
28 | { | |
29 | struct reftable_stack *stack = NULL; | |
30 | struct reftable_write_options cfg = { 0 }; | |
31 | ||
32 | int err = reftable_new_stack(&stack, stackdir, cfg); | |
33 | if (err < 0) | |
34 | goto done; | |
35 | ||
36 | err = reftable_stack_compact_all(stack, NULL); | |
37 | if (err < 0) | |
38 | goto done; | |
39 | done: | |
40 | if (stack) { | |
41 | reftable_stack_destroy(stack); | |
42 | } | |
43 | return err; | |
44 | } | |
45 | ||
46 | static void print_help(void) | |
47 | { | |
48 | printf("usage: dump [-cst] arg\n\n" | |
49 | "options: \n" | |
50 | " -c compact\n" | |
51 | " -t dump table\n" | |
52 | " -s dump stack\n" | |
53 | " -6 sha256 hash format\n" | |
54 | " -h this help\n" | |
55 | "\n"); | |
56 | } | |
57 | ||
58 | int reftable_dump_main(int argc, char *const *argv) | |
59 | { | |
60 | int err = 0; | |
61 | int opt_dump_table = 0; | |
62 | int opt_dump_stack = 0; | |
63 | int opt_compact = 0; | |
64 | uint32_t opt_hash_id = GIT_SHA1_FORMAT_ID; | |
65 | const char *arg = NULL, *argv0 = argv[0]; | |
66 | ||
67 | for (; argc > 1; argv++, argc--) | |
68 | if (*argv[1] != '-') | |
69 | break; | |
70 | else if (!strcmp("-t", argv[1])) | |
71 | opt_dump_table = 1; | |
72 | else if (!strcmp("-6", argv[1])) | |
73 | opt_hash_id = GIT_SHA256_FORMAT_ID; | |
74 | else if (!strcmp("-s", argv[1])) | |
75 | opt_dump_stack = 1; | |
76 | else if (!strcmp("-c", argv[1])) | |
77 | opt_compact = 1; | |
78 | else if (!strcmp("-?", argv[1]) || !strcmp("-h", argv[1])) { | |
79 | print_help(); | |
80 | return 2; | |
81 | } | |
82 | ||
83 | if (argc != 2) { | |
84 | fprintf(stderr, "need argument\n"); | |
85 | print_help(); | |
86 | return 2; | |
87 | } | |
88 | ||
89 | arg = argv[1]; | |
90 | ||
91 | if (opt_dump_table) { | |
92 | err = reftable_reader_print_file(arg); | |
93 | } else if (opt_dump_stack) { | |
94 | err = reftable_stack_print_directory(arg, opt_hash_id); | |
95 | } else if (opt_compact) { | |
96 | err = compact_stack(arg); | |
97 | } | |
98 | ||
99 | if (err < 0) { | |
100 | fprintf(stderr, "%s: %s: %s\n", argv0, arg, | |
101 | reftable_error_str(err)); | |
102 | return 1; | |
103 | } | |
104 | return 0; | |
105 | } |