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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); |
917e0802 ES |
58 | /* reopen the file for stdin; run_command closes it. */ |
59 | if (hook_cb->options->path_to_stdin) { | |
60 | cp->no_stdin = 0; | |
61 | cp->in = xopen(hook_cb->options->path_to_stdin, O_RDONLY); | |
62 | } | |
96e7225b ES |
63 | cp->stdout_to_stderr = 1; |
64 | cp->trace2_hook_name = hook_cb->hook_name; | |
1a3017d9 | 65 | cp->dir = hook_cb->options->dir; |
96e7225b ES |
66 | |
67 | strvec_push(&cp->args, hook_path); | |
68 | strvec_pushv(&cp->args, hook_cb->options->args.v); | |
69 | ||
96e7225b ES |
70 | /* |
71 | * This pick_next_hook() will be called again, we're only | |
72 | * running one hook, so indicate that no more work will be | |
73 | * done. | |
74 | */ | |
75 | hook_cb->hook_path = NULL; | |
76 | ||
77 | return 1; | |
78 | } | |
79 | ||
80 | static int notify_start_failure(struct strbuf *out, | |
81 | void *pp_cb, | |
82 | void *pp_task_cp) | |
83 | { | |
84 | struct hook_cb_data *hook_cb = pp_cb; | |
96e7225b ES |
85 | |
86 | hook_cb->rc |= 1; | |
87 | ||
96e7225b ES |
88 | return 1; |
89 | } | |
90 | ||
91 | static int notify_hook_finished(int result, | |
92 | struct strbuf *out, | |
93 | void *pp_cb, | |
94 | void *pp_task_cb) | |
95 | { | |
96 | struct hook_cb_data *hook_cb = pp_cb; | |
a8cc5943 | 97 | struct run_hooks_opt *opt = hook_cb->options; |
96e7225b ES |
98 | |
99 | hook_cb->rc |= result; | |
100 | ||
a8cc5943 ÆAB |
101 | if (opt->invoked_hook) |
102 | *opt->invoked_hook = 1; | |
103 | ||
96e7225b ES |
104 | return 0; |
105 | } | |
106 | ||
107 | static void run_hooks_opt_clear(struct run_hooks_opt *options) | |
108 | { | |
109 | strvec_clear(&options->env); | |
110 | strvec_clear(&options->args); | |
111 | } | |
112 | ||
113 | int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options) | |
114 | { | |
1a3017d9 | 115 | struct strbuf abs_path = STRBUF_INIT; |
96e7225b ES |
116 | struct hook_cb_data cb_data = { |
117 | .rc = 0, | |
118 | .hook_name = hook_name, | |
119 | .options = options, | |
120 | }; | |
121 | const char *const hook_path = find_hook(hook_name); | |
96e7225b | 122 | int ret = 0; |
6e5ba0ba ÆAB |
123 | const struct run_process_parallel_opts opts = { |
124 | .tr2_category = "hook", | |
125 | .tr2_label = hook_name, | |
126 | ||
127 | .processes = 1, | |
128 | .ungroup = 1, | |
129 | ||
130 | .get_next_task = pick_next_hook, | |
131 | .start_failure = notify_start_failure, | |
132 | .task_finished = notify_hook_finished, | |
133 | ||
134 | .data = &cb_data, | |
135 | }; | |
96e7225b ES |
136 | |
137 | if (!options) | |
138 | BUG("a struct run_hooks_opt must be provided to run_hooks"); | |
139 | ||
a8cc5943 ÆAB |
140 | if (options->invoked_hook) |
141 | *options->invoked_hook = 0; | |
142 | ||
96e7225b ES |
143 | if (!hook_path && !options->error_if_missing) |
144 | goto cleanup; | |
145 | ||
146 | if (!hook_path) { | |
147 | ret = error("cannot find a hook named %s", hook_name); | |
148 | goto cleanup; | |
149 | } | |
150 | ||
151 | cb_data.hook_path = hook_path; | |
1a3017d9 ES |
152 | if (options->dir) { |
153 | strbuf_add_absolute_path(&abs_path, hook_path); | |
154 | cb_data.hook_path = abs_path.buf; | |
155 | } | |
156 | ||
6e5ba0ba | 157 | run_processes_parallel(&opts); |
96e7225b ES |
158 | ret = cb_data.rc; |
159 | cleanup: | |
1a3017d9 | 160 | strbuf_release(&abs_path); |
96e7225b ES |
161 | run_hooks_opt_clear(options); |
162 | return ret; | |
163 | } | |
474c119f ÆAB |
164 | |
165 | int run_hooks(const char *hook_name) | |
166 | { | |
167 | struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; | |
168 | ||
169 | return run_hooks_opt(hook_name, &opt); | |
170 | } | |
ab81cf24 ÆAB |
171 | |
172 | int run_hooks_l(const char *hook_name, ...) | |
173 | { | |
174 | struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; | |
175 | va_list ap; | |
176 | const char *arg; | |
177 | ||
178 | va_start(ap, hook_name); | |
179 | while ((arg = va_arg(ap, const char *))) | |
180 | strvec_push(&opt.args, arg); | |
181 | va_end(ap); | |
182 | ||
183 | return run_hooks_opt(hook_name, &opt); | |
184 | } |