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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
#include "cache.h"
#include "config.h"
#include "repository.h"
#include "fsmonitor-settings.h"
/*
* We keep this structure defintion private and have getters
* for all fields so that we can lazy load it as needed.
*/
struct fsmonitor_settings {
enum fsmonitor_mode mode;
enum fsmonitor_reason reason;
char *hook_path;
};
static enum fsmonitor_reason check_for_incompatible(struct repository *r)
{
if (!r->worktree) {
/*
* Bare repositories don't have a working directory and
* therefore have nothing to watch.
*/
return FSMONITOR_REASON_BARE;
}
#ifdef HAVE_FSMONITOR_OS_SETTINGS
{
enum fsmonitor_reason reason;
reason = fsm_os__incompatible(r);
if (reason != FSMONITOR_REASON_OK)
return reason;
}
#endif
return FSMONITOR_REASON_OK;
}
static struct fsmonitor_settings *alloc_settings(void)
{
struct fsmonitor_settings *s;
CALLOC_ARRAY(s, 1);
s->mode = FSMONITOR_MODE_DISABLED;
s->reason = FSMONITOR_REASON_UNTESTED;
return s;
}
static void lookup_fsmonitor_settings(struct repository *r)
{
const char *const_str;
int bool_value;
if (r->settings.fsmonitor)
return;
/*
* Overload the existing "core.fsmonitor" config setting (which
* has historically been either unset or a hook pathname) to
* now allow a boolean value to enable the builtin FSMonitor
* or to turn everything off. (This does imply that you can't
* use a hook script named "true" or "false", but that's OK.)
*/
switch (repo_config_get_maybe_bool(r, "core.fsmonitor", &bool_value)) {
case 0: /* config value was set to <bool> */
if (bool_value)
fsm_settings__set_ipc(r);
else
fsm_settings__set_disabled(r);
return;
case 1: /* config value was unset */
const_str = getenv("GIT_TEST_FSMONITOR");
break;
case -1: /* config value set to an arbitrary string */
if (repo_config_get_pathname(r, "core.fsmonitor", &const_str))
return; /* should not happen */
break;
default: /* should not happen */
return;
}
if (const_str && *const_str)
fsm_settings__set_hook(r, const_str);
else
fsm_settings__set_disabled(r);
}
enum fsmonitor_mode fsm_settings__get_mode(struct repository *r)
{
if (!r)
r = the_repository;
if (!r->settings.fsmonitor)
lookup_fsmonitor_settings(r);
return r->settings.fsmonitor->mode;
}
const char *fsm_settings__get_hook_path(struct repository *r)
{
if (!r)
r = the_repository;
if (!r->settings.fsmonitor)
lookup_fsmonitor_settings(r);
return r->settings.fsmonitor->hook_path;
}
void fsm_settings__set_ipc(struct repository *r)
{
enum fsmonitor_reason reason = check_for_incompatible(r);
if (reason != FSMONITOR_REASON_OK) {
fsm_settings__set_incompatible(r, reason);
return;
}
/*
* Caller requested IPC explicitly, so avoid (possibly
* recursive) config lookup.
*/
if (!r)
r = the_repository;
if (!r->settings.fsmonitor)
r->settings.fsmonitor = alloc_settings();
r->settings.fsmonitor->mode = FSMONITOR_MODE_IPC;
r->settings.fsmonitor->reason = reason;
FREE_AND_NULL(r->settings.fsmonitor->hook_path);
}
void fsm_settings__set_hook(struct repository *r, const char *path)
{
enum fsmonitor_reason reason = check_for_incompatible(r);
if (reason != FSMONITOR_REASON_OK) {
fsm_settings__set_incompatible(r, reason);
return;
}
/*
* Caller requested hook explicitly, so avoid (possibly
* recursive) config lookup.
*/
if (!r)
r = the_repository;
if (!r->settings.fsmonitor)
r->settings.fsmonitor = alloc_settings();
r->settings.fsmonitor->mode = FSMONITOR_MODE_HOOK;
r->settings.fsmonitor->reason = reason;
FREE_AND_NULL(r->settings.fsmonitor->hook_path);
r->settings.fsmonitor->hook_path = strdup(path);
}
void fsm_settings__set_disabled(struct repository *r)
{
if (!r)
r = the_repository;
if (!r->settings.fsmonitor)
r->settings.fsmonitor = alloc_settings();
r->settings.fsmonitor->mode = FSMONITOR_MODE_DISABLED;
r->settings.fsmonitor->reason = FSMONITOR_REASON_OK;
FREE_AND_NULL(r->settings.fsmonitor->hook_path);
}
void fsm_settings__set_incompatible(struct repository *r,
enum fsmonitor_reason reason)
{
if (!r)
r = the_repository;
if (!r->settings.fsmonitor)
r->settings.fsmonitor = alloc_settings();
r->settings.fsmonitor->mode = FSMONITOR_MODE_INCOMPATIBLE;
r->settings.fsmonitor->reason = reason;
FREE_AND_NULL(r->settings.fsmonitor->hook_path);
}
enum fsmonitor_reason fsm_settings__get_reason(struct repository *r)
{
if (!r)
r = the_repository;
if (!r->settings.fsmonitor)
lookup_fsmonitor_settings(r);
return r->settings.fsmonitor->reason;
}
char *fsm_settings__get_incompatible_msg(const struct repository *r,
enum fsmonitor_reason reason)
{
struct strbuf msg = STRBUF_INIT;
switch (reason) {
case FSMONITOR_REASON_UNTESTED:
case FSMONITOR_REASON_OK:
goto done;
case FSMONITOR_REASON_BARE: {
char *cwd = xgetcwd();
strbuf_addf(&msg,
_("bare repository '%s' is incompatible with fsmonitor"),
cwd);
free(cwd);
goto done;
}
case FSMONITOR_REASON_ERROR:
strbuf_addf(&msg,
_("repository '%s' is incompatible with fsmonitor due to errors"),
r->worktree);
goto done;
case FSMONITOR_REASON_REMOTE:
strbuf_addf(&msg,
_("remote repository '%s' is incompatible with fsmonitor"),
r->worktree);
goto done;
case FSMONITOR_REASON_VFS4GIT:
strbuf_addf(&msg,
_("virtual repository '%s' is incompatible with fsmonitor"),
r->worktree);
goto done;
case FSMONITOR_REASON_NOSOCKETS:
strbuf_addf(&msg,
_("repository '%s' is incompatible with fsmonitor due to lack of Unix sockets"),
r->worktree);
goto done;
}
BUG("Unhandled case in fsm_settings__get_incompatible_msg: '%d'",
reason);
done:
return strbuf_detach(&msg, NULL);
}
|
