midx: bounds-check large offset chunk
[git.git] / builtin / bugreport.c
blobd2ae5c305db82cda78851196411f6437f4abbda9
1 #include "builtin.h"
2 #include "abspath.h"
3 #include "editor.h"
4 #include "gettext.h"
5 #include "parse-options.h"
6 #include "strbuf.h"
7 #include "help.h"
8 #include "compat/compiler.h"
9 #include "hook.h"
10 #include "hook-list.h"
11 #include "diagnose.h"
12 #include "object-file.h"
13 #include "setup.h"
15 static void get_system_info(struct strbuf *sys_info)
17 struct utsname uname_info;
18 char *shell = NULL;
20 /* get git version from native cmd */
21 strbuf_addstr(sys_info, _("git version:\n"));
22 get_version_info(sys_info, 1);
24 /* system call for other version info */
25 strbuf_addstr(sys_info, "uname: ");
26 if (uname(&uname_info))
27 strbuf_addf(sys_info, _("uname() failed with error '%s' (%d)\n"),
28 strerror(errno),
29 errno);
30 else
31 strbuf_addf(sys_info, "%s %s %s %s\n",
32 uname_info.sysname,
33 uname_info.release,
34 uname_info.version,
35 uname_info.machine);
37 strbuf_addstr(sys_info, _("compiler info: "));
38 get_compiler_info(sys_info);
40 strbuf_addstr(sys_info, _("libc info: "));
41 get_libc_info(sys_info);
43 shell = getenv("SHELL");
44 strbuf_addf(sys_info, "$SHELL (typically, interactive shell): %s\n",
45 shell ? shell : "<unset>");
48 static void get_populated_hooks(struct strbuf *hook_info, int nongit)
50 const char **p;
52 if (nongit) {
53 strbuf_addstr(hook_info,
54 _("not run from a git repository - no hooks to show\n"));
55 return;
58 for (p = hook_name_list; *p; p++) {
59 const char *hook = *p;
61 if (hook_exists(hook))
62 strbuf_addf(hook_info, "%s\n", hook);
66 static const char * const bugreport_usage[] = {
67 N_("git bugreport [(-o | --output-directory) <path>] [(-s | --suffix) <format>]\n"
68 " [--diagnose[=<mode>]]"),
69 NULL
72 static int get_bug_template(struct strbuf *template)
74 const char template_text[] = N_(
75 "Thank you for filling out a Git bug report!\n"
76 "Please answer the following questions to help us understand your issue.\n"
77 "\n"
78 "What did you do before the bug happened? (Steps to reproduce your issue)\n"
79 "\n"
80 "What did you expect to happen? (Expected behavior)\n"
81 "\n"
82 "What happened instead? (Actual behavior)\n"
83 "\n"
84 "What's different between what you expected and what actually happened?\n"
85 "\n"
86 "Anything else you want to add:\n"
87 "\n"
88 "Please review the rest of the bug report below.\n"
89 "You can delete any lines you don't wish to share.\n");
91 strbuf_addstr(template, _(template_text));
92 return 0;
95 static void get_header(struct strbuf *buf, const char *title)
97 strbuf_addf(buf, "\n\n[%s]\n", title);
100 int cmd_bugreport(int argc, const char **argv, const char *prefix)
102 struct strbuf buffer = STRBUF_INIT;
103 struct strbuf report_path = STRBUF_INIT;
104 int report = -1;
105 time_t now = time(NULL);
106 struct tm tm;
107 enum diagnose_mode diagnose = DIAGNOSE_NONE;
108 char *option_output = NULL;
109 char *option_suffix = "%Y-%m-%d-%H%M";
110 const char *user_relative_path = NULL;
111 char *prefixed_filename;
112 size_t output_path_len;
113 int ret;
115 const struct option bugreport_options[] = {
116 OPT_CALLBACK_F(0, "diagnose", &diagnose, N_("mode"),
117 N_("create an additional zip archive of detailed diagnostics (default 'stats')"),
118 PARSE_OPT_OPTARG, option_parse_diagnose),
119 OPT_STRING('o', "output-directory", &option_output, N_("path"),
120 N_("specify a destination for the bugreport file(s)")),
121 OPT_STRING('s', "suffix", &option_suffix, N_("format"),
122 N_("specify a strftime format suffix for the filename(s)")),
123 OPT_END()
126 argc = parse_options(argc, argv, prefix, bugreport_options,
127 bugreport_usage, 0);
129 /* Prepare the path to put the result */
130 prefixed_filename = prefix_filename(prefix,
131 option_output ? option_output : "");
132 strbuf_addstr(&report_path, prefixed_filename);
133 strbuf_complete(&report_path, '/');
134 output_path_len = report_path.len;
136 strbuf_addstr(&report_path, "git-bugreport-");
137 strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0);
138 strbuf_addstr(&report_path, ".txt");
140 switch (safe_create_leading_directories(report_path.buf)) {
141 case SCLD_OK:
142 case SCLD_EXISTS:
143 break;
144 default:
145 die(_("could not create leading directories for '%s'"),
146 report_path.buf);
149 /* Prepare diagnostics, if requested */
150 if (diagnose != DIAGNOSE_NONE) {
151 struct strbuf zip_path = STRBUF_INIT;
152 strbuf_add(&zip_path, report_path.buf, output_path_len);
153 strbuf_addstr(&zip_path, "git-diagnostics-");
154 strbuf_addftime(&zip_path, option_suffix, localtime_r(&now, &tm), 0, 0);
155 strbuf_addstr(&zip_path, ".zip");
157 if (create_diagnostics_archive(&zip_path, diagnose))
158 die_errno(_("unable to create diagnostics archive %s"), zip_path.buf);
160 strbuf_release(&zip_path);
163 /* Prepare the report contents */
164 get_bug_template(&buffer);
166 get_header(&buffer, _("System Info"));
167 get_system_info(&buffer);
169 get_header(&buffer, _("Enabled Hooks"));
170 get_populated_hooks(&buffer, !startup_info->have_repository);
172 /* fopen doesn't offer us an O_EXCL alternative, except with glibc. */
173 report = xopen(report_path.buf, O_CREAT | O_EXCL | O_WRONLY, 0666);
175 if (write_in_full(report, buffer.buf, buffer.len) < 0)
176 die_errno(_("unable to write to %s"), report_path.buf);
178 close(report);
181 * We want to print the path relative to the user, but we still need the
182 * path relative to us to give to the editor.
184 if (!(prefix && skip_prefix(report_path.buf, prefix, &user_relative_path)))
185 user_relative_path = report_path.buf;
186 fprintf(stderr, _("Created new report at '%s'.\n"),
187 user_relative_path);
189 free(prefixed_filename);
190 strbuf_release(&buffer);
192 ret = !!launch_editor(report_path.buf, NULL, NULL);
193 strbuf_release(&report_path);
194 return ret;