freshlybakedca.ke
Git fork
1#define USE_THE_REPOSITORY_VARIABLE
2#include "builtin.h"
3#include "config.h"
4#include "fsck.h"
5#include "pack-refs.h"
6#include "parse-options.h"
7#include "refs.h"
8#include "strbuf.h"
9#include "worktree.h"
10#include "for-each-ref.h"
11#include "refs/refs-internal.h"
12
13#define REFS_MIGRATE_USAGE \
14 N_("git refs migrate --ref-format=<format> [--no-reflog] [--dry-run]")
15
16#define REFS_VERIFY_USAGE \
17 N_("git refs verify [--strict] [--verbose]")
18
19#define REFS_EXISTS_USAGE \
20 N_("git refs exists <ref>")
21
22#define REFS_OPTIMIZE_USAGE \
23 N_("git refs optimize " PACK_REFS_OPTS)
24
25static int cmd_refs_migrate(int argc, const char **argv, const char *prefix,
26 struct repository *repo UNUSED)
27{
28 const char * const migrate_usage[] = {
29 REFS_MIGRATE_USAGE,
30 NULL,
31 };
32 const char *format_str = NULL;
33 enum ref_storage_format format;
34 unsigned int flags = 0;
35 struct option options[] = {
36 OPT_STRING_F(0, "ref-format", &format_str, N_("format"),
37 N_("specify the reference format to convert to"),
38 PARSE_OPT_NONEG),
39 OPT_BIT(0, "dry-run", &flags,
40 N_("perform a non-destructive dry-run"),
41 REPO_MIGRATE_REF_STORAGE_FORMAT_DRYRUN),
42 OPT_BIT(0, "no-reflog", &flags,
43 N_("drop reflogs entirely during the migration"),
44 REPO_MIGRATE_REF_STORAGE_FORMAT_SKIP_REFLOG),
45 OPT_END(),
46 };
47 struct strbuf errbuf = STRBUF_INIT;
48 int err;
49
50 argc = parse_options(argc, argv, prefix, options, migrate_usage, 0);
51 if (argc)
52 usage(_("too many arguments"));
53 if (!format_str)
54 usage(_("missing --ref-format=<format>"));
55
56 format = ref_storage_format_by_name(format_str);
57 if (format == REF_STORAGE_FORMAT_UNKNOWN) {
58 err = error(_("unknown ref storage format '%s'"), format_str);
59 goto out;
60 }
61
62 if (the_repository->ref_storage_format == format) {
63 err = error(_("repository already uses '%s' format"),
64 ref_storage_format_to_name(format));
65 goto out;
66 }
67
68 if (repo_migrate_ref_storage_format(the_repository, format, flags, &errbuf) < 0) {
69 err = error("%s", errbuf.buf);
70 goto out;
71 }
72
73 err = 0;
74
75out:
76 strbuf_release(&errbuf);
77 return err;
78}
79
80static int cmd_refs_verify(int argc, const char **argv, const char *prefix,
81 struct repository *repo UNUSED)
82{
83 struct fsck_options fsck_refs_options = FSCK_REFS_OPTIONS_DEFAULT;
84 struct worktree **worktrees;
85 const char * const verify_usage[] = {
86 REFS_VERIFY_USAGE,
87 NULL,
88 };
89 struct option options[] = {
90 OPT_BOOL(0, "verbose", &fsck_refs_options.verbose, N_("be verbose")),
91 OPT_BOOL(0, "strict", &fsck_refs_options.strict, N_("enable strict checking")),
92 OPT_END(),
93 };
94 int ret = 0;
95
96 argc = parse_options(argc, argv, prefix, options, verify_usage, 0);
97 if (argc)
98 usage(_("'git refs verify' takes no arguments"));
99
100 repo_config(the_repository, git_fsck_config, &fsck_refs_options);
101 prepare_repo_settings(the_repository);
102
103 worktrees = get_worktrees_without_reading_head();
104 for (size_t i = 0; worktrees[i]; i++)
105 ret |= refs_fsck(get_worktree_ref_store(worktrees[i]),
106 &fsck_refs_options, worktrees[i]);
107
108 fsck_options_clear(&fsck_refs_options);
109 free_worktrees(worktrees);
110 return ret;
111}
112
113static int cmd_refs_list(int argc, const char **argv, const char *prefix,
114 struct repository *repo)
115{
116 static char const * const refs_list_usage[] = {
117 N_("git refs list " COMMON_USAGE_FOR_EACH_REF),
118 NULL
119 };
120
121 return for_each_ref_core(argc, argv, prefix, repo, refs_list_usage);
122}
123
124static int cmd_refs_exists(int argc, const char **argv, const char *prefix,
125 struct repository *repo UNUSED)
126{
127 struct strbuf unused_referent = STRBUF_INIT;
128 struct object_id unused_oid;
129 unsigned int unused_type;
130 int failure_errno = 0;
131 const char *ref;
132 int ret = 0;
133 const char * const exists_usage[] = {
134 REFS_EXISTS_USAGE,
135 NULL,
136 };
137 struct option options[] = {
138 OPT_END(),
139 };
140
141 argc = parse_options(argc, argv, prefix, options, exists_usage, 0);
142 if (argc != 1)
143 die(_("'git refs exists' requires a reference"));
144
145 ref = *argv++;
146 if (refs_read_raw_ref(get_main_ref_store(the_repository), ref,
147 &unused_oid, &unused_referent, &unused_type,
148 &failure_errno)) {
149 if (failure_errno == ENOENT || failure_errno == EISDIR) {
150 error(_("reference does not exist"));
151 ret = 2;
152 } else {
153 errno = failure_errno;
154 error_errno(_("failed to look up reference"));
155 ret = 1;
156 }
157
158 goto out;
159 }
160
161out:
162 strbuf_release(&unused_referent);
163 return ret;
164}
165
166static int cmd_refs_optimize(int argc, const char **argv, const char *prefix,
167 struct repository *repo)
168{
169 static char const * const refs_optimize_usage[] = {
170 REFS_OPTIMIZE_USAGE,
171 NULL
172 };
173
174 return pack_refs_core(argc, argv, prefix, repo, refs_optimize_usage);
175}
176
177int cmd_refs(int argc,
178 const char **argv,
179 const char *prefix,
180 struct repository *repo)
181{
182 const char * const refs_usage[] = {
183 REFS_MIGRATE_USAGE,
184 REFS_VERIFY_USAGE,
185 "git refs list " COMMON_USAGE_FOR_EACH_REF,
186 REFS_EXISTS_USAGE,
187 REFS_OPTIMIZE_USAGE,
188 NULL,
189 };
190 parse_opt_subcommand_fn *fn = NULL;
191 struct option opts[] = {
192 OPT_SUBCOMMAND("migrate", &fn, cmd_refs_migrate),
193 OPT_SUBCOMMAND("verify", &fn, cmd_refs_verify),
194 OPT_SUBCOMMAND("list", &fn, cmd_refs_list),
195 OPT_SUBCOMMAND("exists", &fn, cmd_refs_exists),
196 OPT_SUBCOMMAND("optimize", &fn, cmd_refs_optimize),
197 OPT_END(),
198 };
199
200 argc = parse_options(argc, argv, prefix, opts, refs_usage, 0);
201 return fn(argc, argv, prefix, repo);
202}