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Commit | Line | Data |
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5e3aba33 ÆAB |
1 | #include "cache.h" |
2 | #include "hook.h" | |
3 | #include "run-command.h" | |
96e7225b | 4 | #include "config.h" |
5e3aba33 ÆAB |
5 | |
6 | const char *find_hook(const char *name) | |
7 | { | |
8 | static struct strbuf path = STRBUF_INIT; | |
9 | ||
10 | strbuf_reset(&path); | |
11 | strbuf_git_path(&path, "hooks/%s", name); | |
12 | if (access(path.buf, X_OK) < 0) { | |
13 | int err = errno; | |
14 | ||
15 | #ifdef STRIP_EXTENSION | |
16 | strbuf_addstr(&path, STRIP_EXTENSION); | |
17 | if (access(path.buf, X_OK) >= 0) | |
18 | return path.buf; | |
19 | if (errno == EACCES) | |
20 | err = errno; | |
21 | #endif | |
22 | ||
23 | if (err == EACCES && advice_enabled(ADVICE_IGNORED_HOOK)) { | |
24 | static struct string_list advise_given = STRING_LIST_INIT_DUP; | |
25 | ||
26 | if (!string_list_lookup(&advise_given, name)) { | |
27 | string_list_insert(&advise_given, name); | |
28 | advise(_("The '%s' hook was ignored because " | |
29 | "it's not set as executable.\n" | |
30 | "You can disable this warning with " | |
31 | "`git config advice.ignoredHook false`."), | |
32 | path.buf); | |
33 | } | |
34 | } | |
35 | return NULL; | |
36 | } | |
37 | return path.buf; | |
38 | } | |
330155ed ES |
39 | |
40 | int hook_exists(const char *name) | |
41 | { | |
42 | return !!find_hook(name); | |
43 | } | |
96e7225b ES |
44 | |
45 | static int pick_next_hook(struct child_process *cp, | |
46 | struct strbuf *out, | |
47 | void *pp_cb, | |
48 | void **pp_task_cb) | |
49 | { | |
50 | struct hook_cb_data *hook_cb = pp_cb; | |
51 | const char *hook_path = hook_cb->hook_path; | |
52 | ||
53 | if (!hook_path) | |
54 | return 0; | |
55 | ||
56 | cp->no_stdin = 1; | |
29fda24d | 57 | strvec_pushv(&cp->env, hook_cb->options->env.v); |
96e7225b ES |
58 | cp->stdout_to_stderr = 1; |
59 | cp->trace2_hook_name = hook_cb->hook_name; | |
1a3017d9 | 60 | cp->dir = hook_cb->options->dir; |
96e7225b ES |
61 | |
62 | strvec_push(&cp->args, hook_path); | |
63 | strvec_pushv(&cp->args, hook_cb->options->args.v); | |
64 | ||
96e7225b ES |
65 | /* |
66 | * This pick_next_hook() will be called again, we're only | |
67 | * running one hook, so indicate that no more work will be | |
68 | * done. | |
69 | */ | |
70 | hook_cb->hook_path = NULL; | |
71 | ||
72 | return 1; | |
73 | } | |
74 | ||
75 | static int notify_start_failure(struct strbuf *out, | |
76 | void *pp_cb, | |
77 | void *pp_task_cp) | |
78 | { | |
79 | struct hook_cb_data *hook_cb = pp_cb; | |
96e7225b ES |
80 | |
81 | hook_cb->rc |= 1; | |
82 | ||
96e7225b ES |
83 | return 1; |
84 | } | |
85 | ||
86 | static int notify_hook_finished(int result, | |
87 | struct strbuf *out, | |
88 | void *pp_cb, | |
89 | void *pp_task_cb) | |
90 | { | |
91 | struct hook_cb_data *hook_cb = pp_cb; | |
a8cc5943 | 92 | struct run_hooks_opt *opt = hook_cb->options; |
96e7225b ES |
93 | |
94 | hook_cb->rc |= result; | |
95 | ||
a8cc5943 ÆAB |
96 | if (opt->invoked_hook) |
97 | *opt->invoked_hook = 1; | |
98 | ||
96e7225b ES |
99 | return 0; |
100 | } | |
101 | ||
102 | static void run_hooks_opt_clear(struct run_hooks_opt *options) | |
103 | { | |
104 | strvec_clear(&options->env); | |
105 | strvec_clear(&options->args); | |
106 | } | |
107 | ||
108 | int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options) | |
109 | { | |
1a3017d9 | 110 | struct strbuf abs_path = STRBUF_INIT; |
96e7225b ES |
111 | struct hook_cb_data cb_data = { |
112 | .rc = 0, | |
113 | .hook_name = hook_name, | |
114 | .options = options, | |
115 | }; | |
116 | const char *const hook_path = find_hook(hook_name); | |
117 | int jobs = 1; | |
118 | int ret = 0; | |
119 | ||
120 | if (!options) | |
121 | BUG("a struct run_hooks_opt must be provided to run_hooks"); | |
122 | ||
a8cc5943 ÆAB |
123 | if (options->invoked_hook) |
124 | *options->invoked_hook = 0; | |
125 | ||
96e7225b ES |
126 | if (!hook_path && !options->error_if_missing) |
127 | goto cleanup; | |
128 | ||
129 | if (!hook_path) { | |
130 | ret = error("cannot find a hook named %s", hook_name); | |
131 | goto cleanup; | |
132 | } | |
133 | ||
134 | cb_data.hook_path = hook_path; | |
1a3017d9 ES |
135 | if (options->dir) { |
136 | strbuf_add_absolute_path(&abs_path, hook_path); | |
137 | cb_data.hook_path = abs_path.buf; | |
138 | } | |
139 | ||
a0823453 | 140 | run_processes_parallel_ungroup = 1; |
96e7225b ES |
141 | run_processes_parallel_tr2(jobs, |
142 | pick_next_hook, | |
143 | notify_start_failure, | |
144 | notify_hook_finished, | |
145 | &cb_data, | |
146 | "hook", | |
147 | hook_name); | |
148 | ret = cb_data.rc; | |
149 | cleanup: | |
1a3017d9 | 150 | strbuf_release(&abs_path); |
96e7225b ES |
151 | run_hooks_opt_clear(options); |
152 | return ret; | |
153 | } | |
474c119f ÆAB |
154 | |
155 | int run_hooks(const char *hook_name) | |
156 | { | |
157 | struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; | |
158 | ||
159 | return run_hooks_opt(hook_name, &opt); | |
160 | } | |
ab81cf24 ÆAB |
161 | |
162 | int run_hooks_l(const char *hook_name, ...) | |
163 | { | |
164 | struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; | |
165 | va_list ap; | |
166 | const char *arg; | |
167 | ||
168 | va_start(ap, hook_name); | |
169 | while ((arg = va_arg(ap, const char *))) | |
170 | strvec_push(&opt.args, arg); | |
171 | va_end(ap); | |
172 | ||
173 | return run_hooks_opt(hook_name, &opt); | |
174 | } |