builtin/bugreport.c

   1 #include "builtin.h"
   2 #include "parse-options.h"
   3 #include "strbuf.h"
   4 #include "help.h"
   5 #include "compat/compiler.h"
   6 #include "run-command.h"
   7
   8
   9 static void get_system_info(struct strbuf *sys_info)
  10 {
  11         struct utsname uname_info;
  12         char *shell = NULL;
  13
  14         /* get git version from native cmd */
  15         strbuf_addstr(sys_info, _("git version:\n"));
  16         get_version_info(sys_info, 1);
  17
  18         /* system call for other version info */
  19         strbuf_addstr(sys_info, "uname: ");
  20         if (uname(&uname_info))
  21                 strbuf_addf(sys_info, _("uname() failed with error '%s' (%d)\n"),
  22                             strerror(errno),
  23                             errno);
  24         else
  25                 strbuf_addf(sys_info, "%s %s %s %s\n",
  26                             uname_info.sysname,
  27                             uname_info.release,
  28                             uname_info.version,
  29                             uname_info.machine);
  30
  31         strbuf_addstr(sys_info, _("compiler info: "));
  32         get_compiler_info(sys_info);
  33
  34         strbuf_addstr(sys_info, _("libc info: "));
  35         get_libc_info(sys_info);
  36
  37         shell = getenv("SHELL");
  38         strbuf_addf(sys_info, "$SHELL (typically, interactive shell): %s\n",
  39                     shell ? shell : "<unset>");
  40 }
  41
  42 static void get_populated_hooks(struct strbuf *hook_info, int nongit)
  43 {
  44         /*
  45          * NEEDSWORK: Doesn't look like there is a list of all possible hooks;
  46          * so below is a transcription of `git help hooks`. Later, this should
  47          * be replaced with some programmatically generated list (generated from
  48          * doc or else taken from some library which tells us about all the
  49          * hooks)
  50          */
  51         static const char *hook[] = {
  52                 "applypatch-msg",
  53                 "pre-applypatch",
  54                 "post-applypatch",
  55                 "pre-commit",
  56                 "pre-merge-commit",
  57                 "prepare-commit-msg",
  58                 "commit-msg",
  59                 "post-commit",
  60                 "pre-rebase",
  61                 "post-checkout",
  62                 "post-merge",
  63                 "pre-push",
  64                 "pre-receive",
  65                 "update",
  66                 "post-receive",
  67                 "post-update",
  68                 "push-to-checkout",
  69                 "pre-auto-gc",
  70                 "post-rewrite",
  71                 "sendemail-validate",
  72                 "fsmonitor-watchman",
  73                 "p4-pre-submit",
  74                 "post-index-change",
  75         };
  76         int i;
  77
  78         if (nongit) {
  79                 strbuf_addstr(hook_info,
  80                         _("not run from a git repository - no hooks to show\n"));
  81                 return;
  82         }
  83
  84         for (i = 0; i < ARRAY_SIZE(hook); i++)
  85                 if (find_hook(hook[i]))
  86                         strbuf_addf(hook_info, "%s\n", hook[i]);
  87 }
  88
  89 static const char * const bugreport_usage[] = {
  90         N_("git bugreport [-o|--output-directory <file>] [-s|--suffix <format>]"),
  91         NULL
  92 };
  93
  94 static int get_bug_template(struct strbuf *template)
  95 {
  96         const char template_text[] = N_(
  97 "Thank you for filling out a Git bug report!\n"
  98 "Please answer the following questions to help us understand your issue.\n"
  99 "\n"
 100 "What did you do before the bug happened? (Steps to reproduce your issue)\n"
 101 "\n"
 102 "What did you expect to happen? (Expected behavior)\n"
 103 "\n"
 104 "What happened instead? (Actual behavior)\n"
 105 "\n"
 106 "What's different between what you expected and what actually happened?\n"
 107 "\n"
 108 "Anything else you want to add:\n"
 109 "\n"
 110 "Please review the rest of the bug report below.\n"
 111 "You can delete any lines you don't wish to share.\n");
 112
 113         strbuf_addstr(template, _(template_text));
 114         return 0;
 115 }
 116
 117 static void get_header(struct strbuf *buf, const char *title)
 118 {
 119         strbuf_addf(buf, "\n\n[%s]\n", title);
 120 }
 121
 122 int cmd_bugreport(int argc, const char **argv, const char *prefix)
 123 {
 124         struct strbuf buffer = STRBUF_INIT;
 125         struct strbuf report_path = STRBUF_INIT;
 126         int report = -1;
 127         time_t now = time(NULL);
 128         struct tm tm;
 129         char *option_output = NULL;
 130         char *option_suffix = "%Y-%m-%d-%H%M";
 131         const char *user_relative_path = NULL;
 132         char *prefixed_filename;
 133
 134         const struct option bugreport_options[] = {
 135                 OPT_STRING('o', "output-directory", &option_output, N_("path"),
 136                            N_("specify a destination for the bugreport file")),
 137                 OPT_STRING('s', "suffix", &option_suffix, N_("format"),
 138                            N_("specify a strftime format suffix for the filename")),
 139                 OPT_END()
 140         };
 141
 142         argc = parse_options(argc, argv, prefix, bugreport_options,
 143                              bugreport_usage, 0);
 144
 145         /* Prepare the path to put the result */
 146         prefixed_filename = prefix_filename(prefix,
 147                                             option_output ? option_output : "");
 148         strbuf_addstr(&report_path, prefixed_filename);
 149         strbuf_complete(&report_path, '/');
 150
 151         strbuf_addstr(&report_path, "git-bugreport-");
 152         strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0);
 153         strbuf_addstr(&report_path, ".txt");
 154
 155         switch (safe_create_leading_directories(report_path.buf)) {
 156         case SCLD_OK:
 157         case SCLD_EXISTS:
 158                 break;
 159         default:
 160                 die(_("could not create leading directories for '%s'"),
 161                     report_path.buf);
 162         }
 163
 164         /* Prepare the report contents */
 165         get_bug_template(&buffer);
 166
 167         get_header(&buffer, _("System Info"));
 168         get_system_info(&buffer);
 169
 170         get_header(&buffer, _("Enabled Hooks"));
 171         get_populated_hooks(&buffer, !startup_info->have_repository);
 172
 173         /* fopen doesn't offer us an O_EXCL alternative, except with glibc. */
 174         report = open(report_path.buf, O_CREAT | O_EXCL | O_WRONLY, 0666);
 175
 176         if (report < 0)
 177                 die(_("couldn't create a new file at '%s'"), report_path.buf);
 178
 179         if (write_in_full(report, buffer.buf, buffer.len) < 0)
 180                 die_errno(_("unable to write to %s"), report_path.buf);
 181
 182         close(report);
 183
 184         /*
 185          * We want to print the path relative to the user, but we still need the
 186          * path relative to us to give to the editor.
 187          */
 188         if (!(prefix && skip_prefix(report_path.buf, prefix, &user_relative_path)))
 189                 user_relative_path = report_path.buf;
 190         fprintf(stderr, _("Created new report at '%s'.\n"),
 191                 user_relative_path);
 192
 193         free(prefixed_filename);
 194         UNLEAK(buffer);
 195         UNLEAK(report_path);
 196         return !!launch_editor(report_path.buf, NULL, NULL);
 197 }