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Commit | Line | Data |
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fc7bd51b EN |
1 | #include "git-compat-util.h" |
2 | #include "advice.h" | |
3 | #include "gettext.h" | |
5e3aba33 ÆAB |
4 | #include "hook.h" |
5 | #include "run-command.h" | |
96e7225b | 6 | #include "config.h" |
fc7bd51b | 7 | #include "strbuf.h" |
5e3aba33 ÆAB |
8 | |
9 | const char *find_hook(const char *name) | |
10 | { | |
11 | static struct strbuf path = STRBUF_INIT; | |
12 | ||
13 | strbuf_reset(&path); | |
14 | strbuf_git_path(&path, "hooks/%s", name); | |
15 | if (access(path.buf, X_OK) < 0) { | |
16 | int err = errno; | |
17 | ||
18 | #ifdef STRIP_EXTENSION | |
19 | strbuf_addstr(&path, STRIP_EXTENSION); | |
20 | if (access(path.buf, X_OK) >= 0) | |
21 | return path.buf; | |
22 | if (errno == EACCES) | |
23 | err = errno; | |
24 | #endif | |
25 | ||
26 | if (err == EACCES && advice_enabled(ADVICE_IGNORED_HOOK)) { | |
27 | static struct string_list advise_given = STRING_LIST_INIT_DUP; | |
28 | ||
29 | if (!string_list_lookup(&advise_given, name)) { | |
30 | string_list_insert(&advise_given, name); | |
31 | advise(_("The '%s' hook was ignored because " | |
32 | "it's not set as executable.\n" | |
33 | "You can disable this warning with " | |
34 | "`git config advice.ignoredHook false`."), | |
35 | path.buf); | |
36 | } | |
37 | } | |
38 | return NULL; | |
39 | } | |
40 | return path.buf; | |
41 | } | |
330155ed ES |
42 | |
43 | int hook_exists(const char *name) | |
44 | { | |
45 | return !!find_hook(name); | |
46 | } | |
96e7225b ES |
47 | |
48 | static int pick_next_hook(struct child_process *cp, | |
a5c76b36 | 49 | struct strbuf *out UNUSED, |
96e7225b | 50 | void *pp_cb, |
a5c76b36 | 51 | void **pp_task_cb UNUSED) |
96e7225b ES |
52 | { |
53 | struct hook_cb_data *hook_cb = pp_cb; | |
54 | const char *hook_path = hook_cb->hook_path; | |
55 | ||
56 | if (!hook_path) | |
57 | return 0; | |
58 | ||
59 | cp->no_stdin = 1; | |
29fda24d | 60 | strvec_pushv(&cp->env, hook_cb->options->env.v); |
917e0802 ES |
61 | /* reopen the file for stdin; run_command closes it. */ |
62 | if (hook_cb->options->path_to_stdin) { | |
63 | cp->no_stdin = 0; | |
64 | cp->in = xopen(hook_cb->options->path_to_stdin, O_RDONLY); | |
65 | } | |
96e7225b ES |
66 | cp->stdout_to_stderr = 1; |
67 | cp->trace2_hook_name = hook_cb->hook_name; | |
1a3017d9 | 68 | cp->dir = hook_cb->options->dir; |
96e7225b ES |
69 | |
70 | strvec_push(&cp->args, hook_path); | |
71 | strvec_pushv(&cp->args, hook_cb->options->args.v); | |
72 | ||
96e7225b ES |
73 | /* |
74 | * This pick_next_hook() will be called again, we're only | |
75 | * running one hook, so indicate that no more work will be | |
76 | * done. | |
77 | */ | |
78 | hook_cb->hook_path = NULL; | |
79 | ||
80 | return 1; | |
81 | } | |
82 | ||
a5c76b36 | 83 | static int notify_start_failure(struct strbuf *out UNUSED, |
96e7225b | 84 | void *pp_cb, |
a5c76b36 | 85 | void *pp_task_cp UNUSED) |
96e7225b ES |
86 | { |
87 | struct hook_cb_data *hook_cb = pp_cb; | |
96e7225b ES |
88 | |
89 | hook_cb->rc |= 1; | |
90 | ||
96e7225b ES |
91 | return 1; |
92 | } | |
93 | ||
94 | static int notify_hook_finished(int result, | |
a5c76b36 | 95 | struct strbuf *out UNUSED, |
96e7225b | 96 | void *pp_cb, |
a5c76b36 | 97 | void *pp_task_cb UNUSED) |
96e7225b ES |
98 | { |
99 | struct hook_cb_data *hook_cb = pp_cb; | |
a8cc5943 | 100 | struct run_hooks_opt *opt = hook_cb->options; |
96e7225b ES |
101 | |
102 | hook_cb->rc |= result; | |
103 | ||
a8cc5943 ÆAB |
104 | if (opt->invoked_hook) |
105 | *opt->invoked_hook = 1; | |
106 | ||
96e7225b ES |
107 | return 0; |
108 | } | |
109 | ||
110 | static void run_hooks_opt_clear(struct run_hooks_opt *options) | |
111 | { | |
112 | strvec_clear(&options->env); | |
113 | strvec_clear(&options->args); | |
114 | } | |
115 | ||
116 | int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options) | |
117 | { | |
1a3017d9 | 118 | struct strbuf abs_path = STRBUF_INIT; |
96e7225b ES |
119 | struct hook_cb_data cb_data = { |
120 | .rc = 0, | |
121 | .hook_name = hook_name, | |
122 | .options = options, | |
123 | }; | |
124 | const char *const hook_path = find_hook(hook_name); | |
96e7225b | 125 | int ret = 0; |
6e5ba0ba ÆAB |
126 | const struct run_process_parallel_opts opts = { |
127 | .tr2_category = "hook", | |
128 | .tr2_label = hook_name, | |
129 | ||
130 | .processes = 1, | |
131 | .ungroup = 1, | |
132 | ||
133 | .get_next_task = pick_next_hook, | |
134 | .start_failure = notify_start_failure, | |
135 | .task_finished = notify_hook_finished, | |
136 | ||
137 | .data = &cb_data, | |
138 | }; | |
96e7225b ES |
139 | |
140 | if (!options) | |
141 | BUG("a struct run_hooks_opt must be provided to run_hooks"); | |
142 | ||
a8cc5943 ÆAB |
143 | if (options->invoked_hook) |
144 | *options->invoked_hook = 0; | |
145 | ||
96e7225b ES |
146 | if (!hook_path && !options->error_if_missing) |
147 | goto cleanup; | |
148 | ||
149 | if (!hook_path) { | |
150 | ret = error("cannot find a hook named %s", hook_name); | |
151 | goto cleanup; | |
152 | } | |
153 | ||
154 | cb_data.hook_path = hook_path; | |
1a3017d9 ES |
155 | if (options->dir) { |
156 | strbuf_add_absolute_path(&abs_path, hook_path); | |
157 | cb_data.hook_path = abs_path.buf; | |
158 | } | |
159 | ||
6e5ba0ba | 160 | run_processes_parallel(&opts); |
96e7225b ES |
161 | ret = cb_data.rc; |
162 | cleanup: | |
1a3017d9 | 163 | strbuf_release(&abs_path); |
96e7225b ES |
164 | run_hooks_opt_clear(options); |
165 | return ret; | |
166 | } | |
474c119f ÆAB |
167 | |
168 | int run_hooks(const char *hook_name) | |
169 | { | |
170 | struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; | |
171 | ||
172 | return run_hooks_opt(hook_name, &opt); | |
173 | } | |
ab81cf24 ÆAB |
174 | |
175 | int run_hooks_l(const char *hook_name, ...) | |
176 | { | |
177 | struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; | |
178 | va_list ap; | |
179 | const char *arg; | |
180 | ||
181 | va_start(ap, hook_name); | |
182 | while ((arg = va_arg(ap, const char *))) | |
183 | strvec_push(&opt.args, arg); | |
184 | va_end(ap); | |
185 | ||
186 | return run_hooks_opt(hook_name, &opt); | |
187 | } |