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![Ævar Arnfjörð Bjarmason](/assets/img/avatar_default.png)
Make githooks(5) the source of truth for what hooks git supports, and punt out early on hooks we don't know about in find_hook(). This ensures that the documentation and the C code's idea about existing hooks doesn't diverge. We still have Perl and Python code running its own hooks, but that'll be addressed by Emily Shaffer's upcoming "git hook run" command. This resolves a long-standing TODO item in bugreport.c of there being no centralized listing of hooks, and fixes a bug with the bugreport listing only knowing about 1/4 of the p4 hooks. It didn't know about the recent "reference-transaction" hook either. We could make the find_hook() function die() or BUG() out if the new known_hook() returned 0, but let's make it return NULL just as it does when it can't find a hook of a known type. Making it die() is overly anal, and unlikely to be what we need in catching stupid typos in the name of some new hook hardcoded in git.git's sources. By making this be tolerant of unknown hook names, changes in a later series to make "git hook run" run arbitrary user-configured hook names will be easier to implement. I have not been able to directly test the CMake change being made here. Since4c2c38e800
(ci: modification of main.yml to use cmake for vs-build job, 2020-06-26) some of the Windows CI has a hard dependency on CMake, this change works there, and is to my eyes an obviously correct use of a pattern established in previous CMake changes, namely: -061c2240b1
(Introduce CMake support for configuring Git, 2020-06-12) -709df95b78
(help: move list_config_help to builtin/help, 2020-04-16) -976aaedca0
(msvc: add a Makefile target to pre-generate the Visual Studio solution, 2019-07-29) The LC_ALL=C is needed because at least in my locale the dash ("-") is ignored for the purposes of sorting, which results in a different order. I'm not aware of anything in git that has a hard dependency on the order, but e.g. the bugreport output would end up using whatever locale was in effect when git was compiled. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Helped-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
167 lines
4.5 KiB
C
167 lines
4.5 KiB
C
#include "builtin.h"
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#include "parse-options.h"
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#include "strbuf.h"
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#include "help.h"
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#include "compat/compiler.h"
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#include "hook.h"
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#include "hook-list.h"
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static void get_system_info(struct strbuf *sys_info)
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{
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struct utsname uname_info;
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char *shell = NULL;
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/* get git version from native cmd */
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strbuf_addstr(sys_info, _("git version:\n"));
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get_version_info(sys_info, 1);
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/* system call for other version info */
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strbuf_addstr(sys_info, "uname: ");
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if (uname(&uname_info))
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strbuf_addf(sys_info, _("uname() failed with error '%s' (%d)\n"),
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strerror(errno),
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errno);
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else
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strbuf_addf(sys_info, "%s %s %s %s\n",
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uname_info.sysname,
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uname_info.release,
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uname_info.version,
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uname_info.machine);
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strbuf_addstr(sys_info, _("compiler info: "));
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get_compiler_info(sys_info);
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strbuf_addstr(sys_info, _("libc info: "));
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get_libc_info(sys_info);
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shell = getenv("SHELL");
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strbuf_addf(sys_info, "$SHELL (typically, interactive shell): %s\n",
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shell ? shell : "<unset>");
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}
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static void get_populated_hooks(struct strbuf *hook_info, int nongit)
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{
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const char **p;
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if (nongit) {
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strbuf_addstr(hook_info,
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_("not run from a git repository - no hooks to show\n"));
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return;
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}
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for (p = hook_name_list; *p; p++) {
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const char *hook = *p;
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if (hook_exists(hook))
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strbuf_addf(hook_info, "%s\n", hook);
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}
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}
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static const char * const bugreport_usage[] = {
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N_("git bugreport [-o|--output-directory <file>] [-s|--suffix <format>]"),
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NULL
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};
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static int get_bug_template(struct strbuf *template)
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{
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const char template_text[] = N_(
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"Thank you for filling out a Git bug report!\n"
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"Please answer the following questions to help us understand your issue.\n"
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"\n"
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"What did you do before the bug happened? (Steps to reproduce your issue)\n"
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"\n"
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"What did you expect to happen? (Expected behavior)\n"
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"\n"
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"What happened instead? (Actual behavior)\n"
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"\n"
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"What's different between what you expected and what actually happened?\n"
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"\n"
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"Anything else you want to add:\n"
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"\n"
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"Please review the rest of the bug report below.\n"
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"You can delete any lines you don't wish to share.\n");
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strbuf_addstr(template, _(template_text));
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return 0;
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}
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static void get_header(struct strbuf *buf, const char *title)
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{
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strbuf_addf(buf, "\n\n[%s]\n", title);
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}
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int cmd_bugreport(int argc, const char **argv, const char *prefix)
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{
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struct strbuf buffer = STRBUF_INIT;
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struct strbuf report_path = STRBUF_INIT;
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int report = -1;
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time_t now = time(NULL);
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struct tm tm;
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char *option_output = NULL;
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char *option_suffix = "%Y-%m-%d-%H%M";
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const char *user_relative_path = NULL;
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char *prefixed_filename;
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const struct option bugreport_options[] = {
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OPT_STRING('o', "output-directory", &option_output, N_("path"),
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N_("specify a destination for the bugreport file")),
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OPT_STRING('s', "suffix", &option_suffix, N_("format"),
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N_("specify a strftime format suffix for the filename")),
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OPT_END()
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};
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argc = parse_options(argc, argv, prefix, bugreport_options,
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bugreport_usage, 0);
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/* Prepare the path to put the result */
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prefixed_filename = prefix_filename(prefix,
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option_output ? option_output : "");
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strbuf_addstr(&report_path, prefixed_filename);
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strbuf_complete(&report_path, '/');
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strbuf_addstr(&report_path, "git-bugreport-");
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strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0);
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strbuf_addstr(&report_path, ".txt");
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switch (safe_create_leading_directories(report_path.buf)) {
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case SCLD_OK:
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case SCLD_EXISTS:
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break;
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default:
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die(_("could not create leading directories for '%s'"),
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report_path.buf);
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}
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/* Prepare the report contents */
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get_bug_template(&buffer);
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get_header(&buffer, _("System Info"));
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get_system_info(&buffer);
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get_header(&buffer, _("Enabled Hooks"));
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get_populated_hooks(&buffer, !startup_info->have_repository);
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/* fopen doesn't offer us an O_EXCL alternative, except with glibc. */
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report = xopen(report_path.buf, O_CREAT | O_EXCL | O_WRONLY, 0666);
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if (write_in_full(report, buffer.buf, buffer.len) < 0)
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die_errno(_("unable to write to %s"), report_path.buf);
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close(report);
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/*
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* We want to print the path relative to the user, but we still need the
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* path relative to us to give to the editor.
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*/
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if (!(prefix && skip_prefix(report_path.buf, prefix, &user_relative_path)))
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user_relative_path = report_path.buf;
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fprintf(stderr, _("Created new report at '%s'.\n"),
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user_relative_path);
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free(prefixed_filename);
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UNLEAK(buffer);
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UNLEAK(report_path);
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return !!launch_editor(report_path.buf, NULL, NULL);
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}
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