mirror of
https://github.com/git/git
synced 2024-08-28 20:20:07 +00:00
![Calvin Wan](/assets/img/avatar_default.png)
Signed-off-by: Calvin Wan <calvinwan@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1450 lines
36 KiB
C
1450 lines
36 KiB
C
#include "builtin.h"
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#include "copy.h"
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#include "environment.h"
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#include "gettext.h"
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#include "hex.h"
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#include "object-name.h"
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#include "parse-options.h"
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#include "bisect.h"
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#include "refs.h"
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#include "dir.h"
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#include "strvec.h"
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#include "run-command.h"
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#include "oid-array.h"
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#include "path.h"
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#include "prompt.h"
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#include "quote.h"
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#include "revision.h"
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static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS")
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static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV")
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static GIT_PATH_FUNC(git_path_bisect_ancestors_ok, "BISECT_ANCESTORS_OK")
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static GIT_PATH_FUNC(git_path_bisect_start, "BISECT_START")
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static GIT_PATH_FUNC(git_path_bisect_log, "BISECT_LOG")
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static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES")
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static GIT_PATH_FUNC(git_path_bisect_first_parent, "BISECT_FIRST_PARENT")
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static GIT_PATH_FUNC(git_path_bisect_run, "BISECT_RUN")
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#define BUILTIN_GIT_BISECT_START_USAGE \
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N_("git bisect start [--term-{new,bad}=<term> --term-{old,good}=<term>]" \
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" [--no-checkout] [--first-parent] [<bad> [<good>...]] [--]" \
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" [<pathspec>...]")
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#define BUILTIN_GIT_BISECT_STATE_USAGE \
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N_("git bisect (good|bad) [<rev>...]")
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#define BUILTIN_GIT_BISECT_TERMS_USAGE \
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"git bisect terms [--term-good | --term-bad]"
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#define BUILTIN_GIT_BISECT_SKIP_USAGE \
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N_("git bisect skip [(<rev>|<range>)...]")
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#define BUILTIN_GIT_BISECT_NEXT_USAGE \
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"git bisect next"
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#define BUILTIN_GIT_BISECT_RESET_USAGE \
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N_("git bisect reset [<commit>]")
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#define BUILTIN_GIT_BISECT_VISUALIZE_USAGE \
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"git bisect visualize"
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#define BUILTIN_GIT_BISECT_REPLAY_USAGE \
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N_("git bisect replay <logfile>")
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#define BUILTIN_GIT_BISECT_LOG_USAGE \
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"git bisect log"
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#define BUILTIN_GIT_BISECT_RUN_USAGE \
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N_("git bisect run <cmd>...")
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static const char * const git_bisect_usage[] = {
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BUILTIN_GIT_BISECT_START_USAGE,
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BUILTIN_GIT_BISECT_STATE_USAGE,
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BUILTIN_GIT_BISECT_TERMS_USAGE,
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BUILTIN_GIT_BISECT_SKIP_USAGE,
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BUILTIN_GIT_BISECT_NEXT_USAGE,
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BUILTIN_GIT_BISECT_RESET_USAGE,
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BUILTIN_GIT_BISECT_VISUALIZE_USAGE,
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BUILTIN_GIT_BISECT_REPLAY_USAGE,
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BUILTIN_GIT_BISECT_LOG_USAGE,
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BUILTIN_GIT_BISECT_RUN_USAGE,
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NULL
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};
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struct add_bisect_ref_data {
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struct rev_info *revs;
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unsigned int object_flags;
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};
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struct bisect_terms {
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char *term_good;
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char *term_bad;
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};
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static void free_terms(struct bisect_terms *terms)
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{
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FREE_AND_NULL(terms->term_good);
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FREE_AND_NULL(terms->term_bad);
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}
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static void set_terms(struct bisect_terms *terms, const char *bad,
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const char *good)
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{
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free((void *)terms->term_good);
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terms->term_good = xstrdup(good);
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free((void *)terms->term_bad);
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terms->term_bad = xstrdup(bad);
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}
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static const char vocab_bad[] = "bad|new";
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static const char vocab_good[] = "good|old";
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static int bisect_autostart(struct bisect_terms *terms);
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/*
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* Check whether the string `term` belongs to the set of strings
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* included in the variable arguments.
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*/
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LAST_ARG_MUST_BE_NULL
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static int one_of(const char *term, ...)
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{
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int res = 0;
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va_list matches;
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const char *match;
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va_start(matches, term);
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while (!res && (match = va_arg(matches, const char *)))
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res = !strcmp(term, match);
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va_end(matches);
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return res;
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}
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/*
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* return code BISECT_INTERNAL_SUCCESS_MERGE_BASE
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* and BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND are codes
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* that indicate special success.
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*/
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static int is_bisect_success(enum bisect_error res)
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{
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return !res ||
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res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND ||
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res == BISECT_INTERNAL_SUCCESS_MERGE_BASE;
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}
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static int write_in_file(const char *path, const char *mode, const char *format, va_list args)
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{
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FILE *fp = NULL;
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int res = 0;
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if (strcmp(mode, "w") && strcmp(mode, "a"))
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BUG("write-in-file does not support '%s' mode", mode);
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fp = fopen(path, mode);
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if (!fp)
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return error_errno(_("cannot open file '%s' in mode '%s'"), path, mode);
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res = vfprintf(fp, format, args);
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if (res < 0) {
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int saved_errno = errno;
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fclose(fp);
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errno = saved_errno;
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return error_errno(_("could not write to file '%s'"), path);
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}
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return fclose(fp);
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}
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__attribute__((format (printf, 2, 3)))
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static int write_to_file(const char *path, const char *format, ...)
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{
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int res;
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va_list args;
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va_start(args, format);
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res = write_in_file(path, "w", format, args);
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va_end(args);
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return res;
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}
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__attribute__((format (printf, 2, 3)))
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static int append_to_file(const char *path, const char *format, ...)
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{
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int res;
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va_list args;
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va_start(args, format);
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res = write_in_file(path, "a", format, args);
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va_end(args);
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return res;
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}
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static int print_file_to_stdout(const char *path)
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{
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int fd = open(path, O_RDONLY);
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int ret = 0;
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if (fd < 0)
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return error_errno(_("cannot open file '%s' for reading"), path);
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if (copy_fd(fd, 1) < 0)
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ret = error_errno(_("failed to read '%s'"), path);
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close(fd);
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return ret;
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}
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static int check_term_format(const char *term, const char *orig_term)
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{
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int res;
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char *new_term = xstrfmt("refs/bisect/%s", term);
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res = check_refname_format(new_term, 0);
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free(new_term);
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if (res)
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return error(_("'%s' is not a valid term"), term);
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if (one_of(term, "help", "start", "skip", "next", "reset",
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"visualize", "view", "replay", "log", "run", "terms", NULL))
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return error(_("can't use the builtin command '%s' as a term"), term);
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/*
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* In theory, nothing prevents swapping completely good and bad,
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* but this situation could be confusing and hasn't been tested
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* enough. Forbid it for now.
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*/
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if ((strcmp(orig_term, "bad") && one_of(term, "bad", "new", NULL)) ||
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(strcmp(orig_term, "good") && one_of(term, "good", "old", NULL)))
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return error(_("can't change the meaning of the term '%s'"), term);
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return 0;
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}
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static int write_terms(const char *bad, const char *good)
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{
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int res;
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if (!strcmp(bad, good))
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return error(_("please use two different terms"));
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if (check_term_format(bad, "bad") || check_term_format(good, "good"))
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return -1;
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res = write_to_file(git_path_bisect_terms(), "%s\n%s\n", bad, good);
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return res;
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}
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static int bisect_reset(const char *commit)
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{
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struct strbuf branch = STRBUF_INIT;
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if (!commit) {
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if (strbuf_read_file(&branch, git_path_bisect_start(), 0) < 1) {
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printf(_("We are not bisecting.\n"));
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return 0;
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}
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strbuf_rtrim(&branch);
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} else {
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struct object_id oid;
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if (repo_get_oid_commit(the_repository, commit, &oid))
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return error(_("'%s' is not a valid commit"), commit);
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strbuf_addstr(&branch, commit);
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}
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if (!ref_exists("BISECT_HEAD")) {
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struct child_process cmd = CHILD_PROCESS_INIT;
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cmd.git_cmd = 1;
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strvec_pushl(&cmd.args, "checkout", "--ignore-other-worktrees",
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branch.buf, "--", NULL);
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if (run_command(&cmd)) {
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error(_("could not check out original"
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" HEAD '%s'. Try 'git bisect"
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" reset <commit>'."), branch.buf);
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strbuf_release(&branch);
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return -1;
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}
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}
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strbuf_release(&branch);
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return bisect_clean_state();
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}
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static void log_commit(FILE *fp, char *fmt, const char *state,
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struct commit *commit)
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{
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struct pretty_print_context pp = {0};
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struct strbuf commit_msg = STRBUF_INIT;
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char *label = xstrfmt(fmt, state);
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repo_format_commit_message(the_repository, commit, "%s", &commit_msg,
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&pp);
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fprintf(fp, "# %s: [%s] %s\n", label, oid_to_hex(&commit->object.oid),
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commit_msg.buf);
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strbuf_release(&commit_msg);
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free(label);
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}
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static int bisect_write(const char *state, const char *rev,
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const struct bisect_terms *terms, int nolog)
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{
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struct strbuf tag = STRBUF_INIT;
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struct object_id oid;
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struct commit *commit;
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FILE *fp = NULL;
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int res = 0;
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if (!strcmp(state, terms->term_bad)) {
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strbuf_addf(&tag, "refs/bisect/%s", state);
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} else if (one_of(state, terms->term_good, "skip", NULL)) {
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strbuf_addf(&tag, "refs/bisect/%s-%s", state, rev);
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} else {
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res = error(_("Bad bisect_write argument: %s"), state);
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goto finish;
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}
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if (repo_get_oid(the_repository, rev, &oid)) {
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res = error(_("couldn't get the oid of the rev '%s'"), rev);
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goto finish;
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}
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if (update_ref(NULL, tag.buf, &oid, NULL, 0,
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UPDATE_REFS_MSG_ON_ERR)) {
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res = -1;
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goto finish;
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}
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fp = fopen(git_path_bisect_log(), "a");
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if (!fp) {
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res = error_errno(_("couldn't open the file '%s'"), git_path_bisect_log());
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goto finish;
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}
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commit = lookup_commit_reference(the_repository, &oid);
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log_commit(fp, "%s", state, commit);
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if (!nolog)
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fprintf(fp, "git bisect %s %s\n", state, rev);
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finish:
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if (fp)
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fclose(fp);
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strbuf_release(&tag);
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return res;
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}
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static int check_and_set_terms(struct bisect_terms *terms, const char *cmd)
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{
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int has_term_file = !is_empty_or_missing_file(git_path_bisect_terms());
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if (one_of(cmd, "skip", "start", "terms", NULL))
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return 0;
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if (has_term_file && strcmp(cmd, terms->term_bad) &&
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strcmp(cmd, terms->term_good))
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return error(_("Invalid command: you're currently in a "
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"%s/%s bisect"), terms->term_bad,
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terms->term_good);
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if (!has_term_file) {
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if (one_of(cmd, "bad", "good", NULL)) {
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set_terms(terms, "bad", "good");
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return write_terms(terms->term_bad, terms->term_good);
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}
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if (one_of(cmd, "new", "old", NULL)) {
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set_terms(terms, "new", "old");
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return write_terms(terms->term_bad, terms->term_good);
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}
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}
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return 0;
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}
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static int inc_nr(const char *refname UNUSED,
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const struct object_id *oid UNUSED,
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int flag UNUSED, void *cb_data)
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{
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unsigned int *nr = (unsigned int *)cb_data;
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(*nr)++;
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return 0;
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}
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static const char need_bad_and_good_revision_warning[] =
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N_("You need to give me at least one %s and %s revision.\n"
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"You can use \"git bisect %s\" and \"git bisect %s\" for that.");
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static const char need_bisect_start_warning[] =
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N_("You need to start by \"git bisect start\".\n"
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"You then need to give me at least one %s and %s revision.\n"
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"You can use \"git bisect %s\" and \"git bisect %s\" for that.");
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static int decide_next(const struct bisect_terms *terms,
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const char *current_term, int missing_good,
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int missing_bad)
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{
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if (!missing_good && !missing_bad)
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return 0;
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if (!current_term)
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return -1;
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if (missing_good && !missing_bad &&
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!strcmp(current_term, terms->term_good)) {
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char *yesno;
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/*
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* have bad (or new) but not good (or old). We could bisect
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* although this is less optimum.
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*/
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warning(_("bisecting only with a %s commit"), terms->term_bad);
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if (!isatty(0))
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return 0;
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/*
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* TRANSLATORS: Make sure to include [Y] and [n] in your
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* translation. The program will only accept English input
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* at this point.
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*/
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yesno = git_prompt(_("Are you sure [Y/n]? "), PROMPT_ECHO);
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if (starts_with(yesno, "N") || starts_with(yesno, "n"))
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return -1;
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return 0;
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}
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if (!is_empty_or_missing_file(git_path_bisect_start()))
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return error(_(need_bad_and_good_revision_warning),
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vocab_bad, vocab_good, vocab_bad, vocab_good);
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else
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return error(_(need_bisect_start_warning),
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vocab_good, vocab_bad, vocab_good, vocab_bad);
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}
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static void bisect_status(struct bisect_state *state,
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const struct bisect_terms *terms)
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{
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char *bad_ref = xstrfmt("refs/bisect/%s", terms->term_bad);
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char *good_glob = xstrfmt("%s-*", terms->term_good);
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if (ref_exists(bad_ref))
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state->nr_bad = 1;
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for_each_glob_ref_in(inc_nr, good_glob, "refs/bisect/",
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(void *) &state->nr_good);
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free(good_glob);
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free(bad_ref);
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}
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|
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__attribute__((format (printf, 1, 2)))
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static void bisect_log_printf(const char *fmt, ...)
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{
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struct strbuf buf = STRBUF_INIT;
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va_list ap;
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va_start(ap, fmt);
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strbuf_vaddf(&buf, fmt, ap);
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va_end(ap);
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printf("%s", buf.buf);
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append_to_file(git_path_bisect_log(), "# %s", buf.buf);
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strbuf_release(&buf);
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}
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static void bisect_print_status(const struct bisect_terms *terms)
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{
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struct bisect_state state = { 0 };
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bisect_status(&state, terms);
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/* If we had both, we'd already be started, and shouldn't get here. */
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if (state.nr_good && state.nr_bad)
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return;
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|
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if (!state.nr_good && !state.nr_bad)
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bisect_log_printf(_("status: waiting for both good and bad commits\n"));
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else if (state.nr_good)
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bisect_log_printf(Q_("status: waiting for bad commit, %d good commit known\n",
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"status: waiting for bad commit, %d good commits known\n",
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state.nr_good), state.nr_good);
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else
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bisect_log_printf(_("status: waiting for good commit(s), bad commit known\n"));
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}
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static int bisect_next_check(const struct bisect_terms *terms,
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const char *current_term)
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{
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struct bisect_state state = { 0 };
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bisect_status(&state, terms);
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return decide_next(terms, current_term, !state.nr_good, !state.nr_bad);
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}
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static int get_terms(struct bisect_terms *terms)
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{
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struct strbuf str = STRBUF_INIT;
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FILE *fp = NULL;
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int res = 0;
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fp = fopen(git_path_bisect_terms(), "r");
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if (!fp) {
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res = -1;
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goto finish;
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}
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|
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free_terms(terms);
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strbuf_getline_lf(&str, fp);
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terms->term_bad = strbuf_detach(&str, NULL);
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strbuf_getline_lf(&str, fp);
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terms->term_good = strbuf_detach(&str, NULL);
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finish:
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if (fp)
|
|
fclose(fp);
|
|
strbuf_release(&str);
|
|
return res;
|
|
}
|
|
|
|
static int bisect_terms(struct bisect_terms *terms, const char *option)
|
|
{
|
|
if (get_terms(terms))
|
|
return error(_("no terms defined"));
|
|
|
|
if (!option) {
|
|
printf(_("Your current terms are %s for the old state\n"
|
|
"and %s for the new state.\n"),
|
|
terms->term_good, terms->term_bad);
|
|
return 0;
|
|
}
|
|
if (one_of(option, "--term-good", "--term-old", NULL))
|
|
printf("%s\n", terms->term_good);
|
|
else if (one_of(option, "--term-bad", "--term-new", NULL))
|
|
printf("%s\n", terms->term_bad);
|
|
else
|
|
return error(_("invalid argument %s for 'git bisect terms'.\n"
|
|
"Supported options are: "
|
|
"--term-good|--term-old and "
|
|
"--term-bad|--term-new."), option);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bisect_append_log_quoted(const char **argv)
|
|
{
|
|
int res = 0;
|
|
FILE *fp = fopen(git_path_bisect_log(), "a");
|
|
struct strbuf orig_args = STRBUF_INIT;
|
|
|
|
if (!fp)
|
|
return -1;
|
|
|
|
if (fprintf(fp, "git bisect start") < 1) {
|
|
res = -1;
|
|
goto finish;
|
|
}
|
|
|
|
sq_quote_argv(&orig_args, argv);
|
|
if (fprintf(fp, "%s\n", orig_args.buf) < 1)
|
|
res = -1;
|
|
|
|
finish:
|
|
fclose(fp);
|
|
strbuf_release(&orig_args);
|
|
return res;
|
|
}
|
|
|
|
static int add_bisect_ref(const char *refname, const struct object_id *oid,
|
|
int flags UNUSED, void *cb)
|
|
{
|
|
struct add_bisect_ref_data *data = cb;
|
|
|
|
add_pending_oid(data->revs, refname, oid, data->object_flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int prepare_revs(struct bisect_terms *terms, struct rev_info *revs)
|
|
{
|
|
int res = 0;
|
|
struct add_bisect_ref_data cb = { revs };
|
|
char *good = xstrfmt("%s-*", terms->term_good);
|
|
|
|
/*
|
|
* We cannot use terms->term_bad directly in
|
|
* for_each_glob_ref_in() and we have to append a '*' to it,
|
|
* otherwise for_each_glob_ref_in() will append '/' and '*'.
|
|
*/
|
|
char *bad = xstrfmt("%s*", terms->term_bad);
|
|
|
|
/*
|
|
* It is important to reset the flags used by revision walks
|
|
* as the previous call to bisect_next_all() in turn
|
|
* sets up a revision walk.
|
|
*/
|
|
reset_revision_walk();
|
|
repo_init_revisions(the_repository, revs, NULL);
|
|
setup_revisions(0, NULL, revs, NULL);
|
|
for_each_glob_ref_in(add_bisect_ref, bad, "refs/bisect/", &cb);
|
|
cb.object_flags = UNINTERESTING;
|
|
for_each_glob_ref_in(add_bisect_ref, good, "refs/bisect/", &cb);
|
|
if (prepare_revision_walk(revs))
|
|
res = error(_("revision walk setup failed\n"));
|
|
|
|
free(good);
|
|
free(bad);
|
|
return res;
|
|
}
|
|
|
|
static int bisect_skipped_commits(struct bisect_terms *terms)
|
|
{
|
|
int res;
|
|
FILE *fp = NULL;
|
|
struct rev_info revs;
|
|
struct commit *commit;
|
|
struct pretty_print_context pp = {0};
|
|
struct strbuf commit_name = STRBUF_INIT;
|
|
|
|
res = prepare_revs(terms, &revs);
|
|
if (res)
|
|
return res;
|
|
|
|
fp = fopen(git_path_bisect_log(), "a");
|
|
if (!fp)
|
|
return error_errno(_("could not open '%s' for appending"),
|
|
git_path_bisect_log());
|
|
|
|
if (fprintf(fp, "# only skipped commits left to test\n") < 0)
|
|
return error_errno(_("failed to write to '%s'"), git_path_bisect_log());
|
|
|
|
while ((commit = get_revision(&revs)) != NULL) {
|
|
strbuf_reset(&commit_name);
|
|
repo_format_commit_message(the_repository, commit, "%s",
|
|
&commit_name, &pp);
|
|
fprintf(fp, "# possible first %s commit: [%s] %s\n",
|
|
terms->term_bad, oid_to_hex(&commit->object.oid),
|
|
commit_name.buf);
|
|
}
|
|
|
|
/*
|
|
* Reset the flags used by revision walks in case
|
|
* there is another revision walk after this one.
|
|
*/
|
|
reset_revision_walk();
|
|
|
|
strbuf_release(&commit_name);
|
|
release_revisions(&revs);
|
|
fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
static int bisect_successful(struct bisect_terms *terms)
|
|
{
|
|
struct object_id oid;
|
|
struct commit *commit;
|
|
struct pretty_print_context pp = {0};
|
|
struct strbuf commit_name = STRBUF_INIT;
|
|
char *bad_ref = xstrfmt("refs/bisect/%s",terms->term_bad);
|
|
int res;
|
|
|
|
read_ref(bad_ref, &oid);
|
|
commit = lookup_commit_reference_by_name(bad_ref);
|
|
repo_format_commit_message(the_repository, commit, "%s", &commit_name,
|
|
&pp);
|
|
|
|
res = append_to_file(git_path_bisect_log(), "# first %s commit: [%s] %s\n",
|
|
terms->term_bad, oid_to_hex(&commit->object.oid),
|
|
commit_name.buf);
|
|
|
|
strbuf_release(&commit_name);
|
|
free(bad_ref);
|
|
return res;
|
|
}
|
|
|
|
static enum bisect_error bisect_next(struct bisect_terms *terms, const char *prefix)
|
|
{
|
|
enum bisect_error res;
|
|
|
|
if (bisect_autostart(terms))
|
|
return BISECT_FAILED;
|
|
|
|
if (bisect_next_check(terms, terms->term_good))
|
|
return BISECT_FAILED;
|
|
|
|
/* Perform all bisection computation */
|
|
res = bisect_next_all(the_repository, prefix);
|
|
|
|
if (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND) {
|
|
res = bisect_successful(terms);
|
|
return res ? res : BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND;
|
|
} else if (res == BISECT_ONLY_SKIPPED_LEFT) {
|
|
res = bisect_skipped_commits(terms);
|
|
return res ? res : BISECT_ONLY_SKIPPED_LEFT;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static enum bisect_error bisect_auto_next(struct bisect_terms *terms, const char *prefix)
|
|
{
|
|
if (bisect_next_check(terms, NULL)) {
|
|
bisect_print_status(terms);
|
|
return BISECT_OK;
|
|
}
|
|
|
|
return bisect_next(terms, prefix);
|
|
}
|
|
|
|
static enum bisect_error bisect_start(struct bisect_terms *terms, int argc,
|
|
const char **argv)
|
|
{
|
|
int no_checkout = 0;
|
|
int first_parent_only = 0;
|
|
int i, has_double_dash = 0, must_write_terms = 0, bad_seen = 0;
|
|
int flags, pathspec_pos;
|
|
enum bisect_error res = BISECT_OK;
|
|
struct string_list revs = STRING_LIST_INIT_DUP;
|
|
struct string_list states = STRING_LIST_INIT_DUP;
|
|
struct strbuf start_head = STRBUF_INIT;
|
|
struct strbuf bisect_names = STRBUF_INIT;
|
|
struct object_id head_oid;
|
|
struct object_id oid;
|
|
const char *head;
|
|
|
|
if (is_bare_repository())
|
|
no_checkout = 1;
|
|
|
|
/*
|
|
* Check for one bad and then some good revisions
|
|
*/
|
|
for (i = 0; i < argc; i++) {
|
|
if (!strcmp(argv[i], "--")) {
|
|
has_double_dash = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
const char *arg = argv[i];
|
|
if (!strcmp(argv[i], "--")) {
|
|
break;
|
|
} else if (!strcmp(arg, "--no-checkout")) {
|
|
no_checkout = 1;
|
|
} else if (!strcmp(arg, "--first-parent")) {
|
|
first_parent_only = 1;
|
|
} else if (!strcmp(arg, "--term-good") ||
|
|
!strcmp(arg, "--term-old")) {
|
|
i++;
|
|
if (argc <= i)
|
|
return error(_("'' is not a valid term"));
|
|
must_write_terms = 1;
|
|
free((void *) terms->term_good);
|
|
terms->term_good = xstrdup(argv[i]);
|
|
} else if (skip_prefix(arg, "--term-good=", &arg) ||
|
|
skip_prefix(arg, "--term-old=", &arg)) {
|
|
must_write_terms = 1;
|
|
free((void *) terms->term_good);
|
|
terms->term_good = xstrdup(arg);
|
|
} else if (!strcmp(arg, "--term-bad") ||
|
|
!strcmp(arg, "--term-new")) {
|
|
i++;
|
|
if (argc <= i)
|
|
return error(_("'' is not a valid term"));
|
|
must_write_terms = 1;
|
|
free((void *) terms->term_bad);
|
|
terms->term_bad = xstrdup(argv[i]);
|
|
} else if (skip_prefix(arg, "--term-bad=", &arg) ||
|
|
skip_prefix(arg, "--term-new=", &arg)) {
|
|
must_write_terms = 1;
|
|
free((void *) terms->term_bad);
|
|
terms->term_bad = xstrdup(arg);
|
|
} else if (starts_with(arg, "--")) {
|
|
return error(_("unrecognized option: '%s'"), arg);
|
|
} else if (!get_oidf(&oid, "%s^{commit}", arg)) {
|
|
string_list_append(&revs, oid_to_hex(&oid));
|
|
} else if (has_double_dash) {
|
|
die(_("'%s' does not appear to be a valid "
|
|
"revision"), arg);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
pathspec_pos = i;
|
|
|
|
/*
|
|
* The user ran "git bisect start <sha1> <sha1>", hence did not
|
|
* explicitly specify the terms, but we are already starting to
|
|
* set references named with the default terms, and won't be able
|
|
* to change afterwards.
|
|
*/
|
|
if (revs.nr)
|
|
must_write_terms = 1;
|
|
for (i = 0; i < revs.nr; i++) {
|
|
if (bad_seen) {
|
|
string_list_append(&states, terms->term_good);
|
|
} else {
|
|
bad_seen = 1;
|
|
string_list_append(&states, terms->term_bad);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Verify HEAD
|
|
*/
|
|
head = resolve_ref_unsafe("HEAD", 0, &head_oid, &flags);
|
|
if (!head)
|
|
if (repo_get_oid(the_repository, "HEAD", &head_oid))
|
|
return error(_("bad HEAD - I need a HEAD"));
|
|
|
|
/*
|
|
* Check if we are bisecting
|
|
*/
|
|
if (!is_empty_or_missing_file(git_path_bisect_start())) {
|
|
/* Reset to the rev from where we started */
|
|
strbuf_read_file(&start_head, git_path_bisect_start(), 0);
|
|
strbuf_trim(&start_head);
|
|
if (!no_checkout) {
|
|
struct child_process cmd = CHILD_PROCESS_INIT;
|
|
|
|
cmd.git_cmd = 1;
|
|
strvec_pushl(&cmd.args, "checkout", start_head.buf,
|
|
"--", NULL);
|
|
if (run_command(&cmd)) {
|
|
res = error(_("checking out '%s' failed."
|
|
" Try 'git bisect start "
|
|
"<valid-branch>'."),
|
|
start_head.buf);
|
|
goto finish;
|
|
}
|
|
}
|
|
} else {
|
|
/* Get the rev from where we start. */
|
|
if (!repo_get_oid(the_repository, head, &head_oid) &&
|
|
!starts_with(head, "refs/heads/")) {
|
|
strbuf_reset(&start_head);
|
|
strbuf_addstr(&start_head, oid_to_hex(&head_oid));
|
|
} else if (!repo_get_oid(the_repository, head, &head_oid) &&
|
|
skip_prefix(head, "refs/heads/", &head)) {
|
|
strbuf_addstr(&start_head, head);
|
|
} else {
|
|
return error(_("bad HEAD - strange symbolic ref"));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Get rid of any old bisect state.
|
|
*/
|
|
if (bisect_clean_state())
|
|
return BISECT_FAILED;
|
|
|
|
/*
|
|
* Write new start state
|
|
*/
|
|
write_file(git_path_bisect_start(), "%s\n", start_head.buf);
|
|
|
|
if (first_parent_only)
|
|
write_file(git_path_bisect_first_parent(), "\n");
|
|
|
|
if (no_checkout) {
|
|
if (repo_get_oid(the_repository, start_head.buf, &oid) < 0) {
|
|
res = error(_("invalid ref: '%s'"), start_head.buf);
|
|
goto finish;
|
|
}
|
|
if (update_ref(NULL, "BISECT_HEAD", &oid, NULL, 0,
|
|
UPDATE_REFS_MSG_ON_ERR)) {
|
|
res = BISECT_FAILED;
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
if (pathspec_pos < argc - 1)
|
|
sq_quote_argv(&bisect_names, argv + pathspec_pos);
|
|
write_file(git_path_bisect_names(), "%s\n", bisect_names.buf);
|
|
|
|
for (i = 0; i < states.nr; i++)
|
|
if (bisect_write(states.items[i].string,
|
|
revs.items[i].string, terms, 1)) {
|
|
res = BISECT_FAILED;
|
|
goto finish;
|
|
}
|
|
|
|
if (must_write_terms && write_terms(terms->term_bad,
|
|
terms->term_good)) {
|
|
res = BISECT_FAILED;
|
|
goto finish;
|
|
}
|
|
|
|
res = bisect_append_log_quoted(argv);
|
|
if (res)
|
|
res = BISECT_FAILED;
|
|
|
|
finish:
|
|
string_list_clear(&revs, 0);
|
|
string_list_clear(&states, 0);
|
|
strbuf_release(&start_head);
|
|
strbuf_release(&bisect_names);
|
|
if (res)
|
|
return res;
|
|
|
|
res = bisect_auto_next(terms, NULL);
|
|
if (!is_bisect_success(res))
|
|
bisect_clean_state();
|
|
return res;
|
|
}
|
|
|
|
static inline int file_is_not_empty(const char *path)
|
|
{
|
|
return !is_empty_or_missing_file(path);
|
|
}
|
|
|
|
static int bisect_autostart(struct bisect_terms *terms)
|
|
{
|
|
int res;
|
|
const char *yesno;
|
|
|
|
if (file_is_not_empty(git_path_bisect_start()))
|
|
return 0;
|
|
|
|
fprintf_ln(stderr, _("You need to start by \"git bisect "
|
|
"start\"\n"));
|
|
|
|
if (!isatty(STDIN_FILENO))
|
|
return -1;
|
|
|
|
/*
|
|
* TRANSLATORS: Make sure to include [Y] and [n] in your
|
|
* translation. The program will only accept English input
|
|
* at this point.
|
|
*/
|
|
yesno = git_prompt(_("Do you want me to do it for you "
|
|
"[Y/n]? "), PROMPT_ECHO);
|
|
res = tolower(*yesno) == 'n' ?
|
|
-1 : bisect_start(terms, 0, empty_strvec);
|
|
|
|
return res;
|
|
}
|
|
|
|
static enum bisect_error bisect_state(struct bisect_terms *terms, int argc,
|
|
const char **argv)
|
|
{
|
|
const char *state;
|
|
int i, verify_expected = 1;
|
|
struct object_id oid, expected;
|
|
struct strbuf buf = STRBUF_INIT;
|
|
struct oid_array revs = OID_ARRAY_INIT;
|
|
|
|
if (!argc)
|
|
return error(_("Please call `--bisect-state` with at least one argument"));
|
|
|
|
if (bisect_autostart(terms))
|
|
return BISECT_FAILED;
|
|
|
|
state = argv[0];
|
|
if (check_and_set_terms(terms, state) ||
|
|
!one_of(state, terms->term_good, terms->term_bad, "skip", NULL))
|
|
return BISECT_FAILED;
|
|
|
|
argv++;
|
|
argc--;
|
|
if (argc > 1 && !strcmp(state, terms->term_bad))
|
|
return error(_("'git bisect %s' can take only one argument."), terms->term_bad);
|
|
|
|
if (argc == 0) {
|
|
const char *head = "BISECT_HEAD";
|
|
enum get_oid_result res_head = repo_get_oid(the_repository,
|
|
head, &oid);
|
|
|
|
if (res_head == MISSING_OBJECT) {
|
|
head = "HEAD";
|
|
res_head = repo_get_oid(the_repository, head, &oid);
|
|
}
|
|
|
|
if (res_head)
|
|
error(_("Bad rev input: %s"), head);
|
|
oid_array_append(&revs, &oid);
|
|
}
|
|
|
|
/*
|
|
* All input revs must be checked before executing bisect_write()
|
|
* to discard junk revs.
|
|
*/
|
|
|
|
for (; argc; argc--, argv++) {
|
|
struct commit *commit;
|
|
|
|
if (repo_get_oid(the_repository, *argv, &oid)){
|
|
error(_("Bad rev input: %s"), *argv);
|
|
oid_array_clear(&revs);
|
|
return BISECT_FAILED;
|
|
}
|
|
|
|
commit = lookup_commit_reference(the_repository, &oid);
|
|
if (!commit)
|
|
die(_("Bad rev input (not a commit): %s"), *argv);
|
|
|
|
oid_array_append(&revs, &commit->object.oid);
|
|
}
|
|
|
|
if (strbuf_read_file(&buf, git_path_bisect_expected_rev(), 0) < the_hash_algo->hexsz ||
|
|
get_oid_hex(buf.buf, &expected) < 0)
|
|
verify_expected = 0; /* Ignore invalid file contents */
|
|
strbuf_release(&buf);
|
|
|
|
for (i = 0; i < revs.nr; i++) {
|
|
if (bisect_write(state, oid_to_hex(&revs.oid[i]), terms, 0)) {
|
|
oid_array_clear(&revs);
|
|
return BISECT_FAILED;
|
|
}
|
|
if (verify_expected && !oideq(&revs.oid[i], &expected)) {
|
|
unlink_or_warn(git_path_bisect_ancestors_ok());
|
|
unlink_or_warn(git_path_bisect_expected_rev());
|
|
verify_expected = 0;
|
|
}
|
|
}
|
|
|
|
oid_array_clear(&revs);
|
|
return bisect_auto_next(terms, NULL);
|
|
}
|
|
|
|
static enum bisect_error bisect_log(void)
|
|
{
|
|
int fd, status;
|
|
const char* filename = git_path_bisect_log();
|
|
|
|
if (is_empty_or_missing_file(filename))
|
|
return error(_("We are not bisecting."));
|
|
|
|
fd = open(filename, O_RDONLY);
|
|
if (fd < 0)
|
|
return BISECT_FAILED;
|
|
|
|
status = copy_fd(fd, STDOUT_FILENO);
|
|
close(fd);
|
|
return status ? BISECT_FAILED : BISECT_OK;
|
|
}
|
|
|
|
static int process_replay_line(struct bisect_terms *terms, struct strbuf *line)
|
|
{
|
|
const char *p = line->buf + strspn(line->buf, " \t");
|
|
char *word_end, *rev;
|
|
|
|
if ((!skip_prefix(p, "git bisect", &p) &&
|
|
!skip_prefix(p, "git-bisect", &p)) || !isspace(*p))
|
|
return 0;
|
|
p += strspn(p, " \t");
|
|
|
|
word_end = (char *)p + strcspn(p, " \t");
|
|
rev = word_end + strspn(word_end, " \t");
|
|
*word_end = '\0'; /* NUL-terminate the word */
|
|
|
|
get_terms(terms);
|
|
if (check_and_set_terms(terms, p))
|
|
return -1;
|
|
|
|
if (!strcmp(p, "start")) {
|
|
struct strvec argv = STRVEC_INIT;
|
|
int res;
|
|
sq_dequote_to_strvec(rev, &argv);
|
|
res = bisect_start(terms, argv.nr, argv.v);
|
|
strvec_clear(&argv);
|
|
return res;
|
|
}
|
|
|
|
if (one_of(p, terms->term_good,
|
|
terms->term_bad, "skip", NULL))
|
|
return bisect_write(p, rev, terms, 0);
|
|
|
|
if (!strcmp(p, "terms")) {
|
|
struct strvec argv = STRVEC_INIT;
|
|
int res;
|
|
sq_dequote_to_strvec(rev, &argv);
|
|
res = bisect_terms(terms, argv.nr == 1 ? argv.v[0] : NULL);
|
|
strvec_clear(&argv);
|
|
return res;
|
|
}
|
|
error(_("'%s'?? what are you talking about?"), p);
|
|
|
|
return -1;
|
|
}
|
|
|
|
static enum bisect_error bisect_replay(struct bisect_terms *terms, const char *filename)
|
|
{
|
|
FILE *fp = NULL;
|
|
enum bisect_error res = BISECT_OK;
|
|
struct strbuf line = STRBUF_INIT;
|
|
|
|
if (is_empty_or_missing_file(filename))
|
|
return error(_("cannot read file '%s' for replaying"), filename);
|
|
|
|
if (bisect_reset(NULL))
|
|
return BISECT_FAILED;
|
|
|
|
fp = fopen(filename, "r");
|
|
if (!fp)
|
|
return BISECT_FAILED;
|
|
|
|
while ((strbuf_getline(&line, fp) != EOF) && !res)
|
|
res = process_replay_line(terms, &line);
|
|
|
|
strbuf_release(&line);
|
|
fclose(fp);
|
|
|
|
if (res)
|
|
return BISECT_FAILED;
|
|
|
|
return bisect_auto_next(terms, NULL);
|
|
}
|
|
|
|
static enum bisect_error bisect_skip(struct bisect_terms *terms, int argc,
|
|
const char **argv)
|
|
{
|
|
int i;
|
|
enum bisect_error res;
|
|
struct strvec argv_state = STRVEC_INIT;
|
|
|
|
strvec_push(&argv_state, "skip");
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
const char *dotdot = strstr(argv[i], "..");
|
|
|
|
if (dotdot) {
|
|
struct rev_info revs;
|
|
struct commit *commit;
|
|
|
|
repo_init_revisions(the_repository, &revs, NULL);
|
|
setup_revisions(2, argv + i - 1, &revs, NULL);
|
|
|
|
if (prepare_revision_walk(&revs))
|
|
die(_("revision walk setup failed\n"));
|
|
while ((commit = get_revision(&revs)) != NULL)
|
|
strvec_push(&argv_state,
|
|
oid_to_hex(&commit->object.oid));
|
|
|
|
reset_revision_walk();
|
|
release_revisions(&revs);
|
|
} else {
|
|
strvec_push(&argv_state, argv[i]);
|
|
}
|
|
}
|
|
res = bisect_state(terms, argv_state.nr, argv_state.v);
|
|
|
|
strvec_clear(&argv_state);
|
|
return res;
|
|
}
|
|
|
|
static int bisect_visualize(struct bisect_terms *terms, int argc,
|
|
const char **argv)
|
|
{
|
|
struct child_process cmd = CHILD_PROCESS_INIT;
|
|
struct strbuf sb = STRBUF_INIT;
|
|
|
|
if (bisect_next_check(terms, NULL) != 0)
|
|
return BISECT_FAILED;
|
|
|
|
cmd.no_stdin = 1;
|
|
if (!argc) {
|
|
if ((getenv("DISPLAY") || getenv("SESSIONNAME") || getenv("MSYSTEM") ||
|
|
getenv("SECURITYSESSIONID")) && exists_in_PATH("gitk")) {
|
|
strvec_push(&cmd.args, "gitk");
|
|
} else {
|
|
strvec_push(&cmd.args, "log");
|
|
cmd.git_cmd = 1;
|
|
}
|
|
} else {
|
|
if (argv[0][0] == '-') {
|
|
strvec_push(&cmd.args, "log");
|
|
cmd.git_cmd = 1;
|
|
} else if (strcmp(argv[0], "tig") && !starts_with(argv[0], "git"))
|
|
cmd.git_cmd = 1;
|
|
|
|
strvec_pushv(&cmd.args, argv);
|
|
}
|
|
|
|
strvec_pushl(&cmd.args, "--bisect", "--", NULL);
|
|
|
|
strbuf_read_file(&sb, git_path_bisect_names(), 0);
|
|
sq_dequote_to_strvec(sb.buf, &cmd.args);
|
|
strbuf_release(&sb);
|
|
|
|
return run_command(&cmd);
|
|
}
|
|
|
|
static int get_first_good(const char *refname UNUSED,
|
|
const struct object_id *oid,
|
|
int flag UNUSED, void *cb_data)
|
|
{
|
|
oidcpy(cb_data, oid);
|
|
return 1;
|
|
}
|
|
|
|
static int do_bisect_run(const char *command)
|
|
{
|
|
struct child_process cmd = CHILD_PROCESS_INIT;
|
|
|
|
printf(_("running %s\n"), command);
|
|
cmd.use_shell = 1;
|
|
strvec_push(&cmd.args, command);
|
|
return run_command(&cmd);
|
|
}
|
|
|
|
static int verify_good(const struct bisect_terms *terms, const char *command)
|
|
{
|
|
int rc;
|
|
enum bisect_error res;
|
|
struct object_id good_rev;
|
|
struct object_id current_rev;
|
|
char *good_glob = xstrfmt("%s-*", terms->term_good);
|
|
int no_checkout = ref_exists("BISECT_HEAD");
|
|
|
|
for_each_glob_ref_in(get_first_good, good_glob, "refs/bisect/",
|
|
&good_rev);
|
|
free(good_glob);
|
|
|
|
if (read_ref(no_checkout ? "BISECT_HEAD" : "HEAD", ¤t_rev))
|
|
return -1;
|
|
|
|
res = bisect_checkout(&good_rev, no_checkout);
|
|
if (res != BISECT_OK)
|
|
return -1;
|
|
|
|
rc = do_bisect_run(command);
|
|
|
|
res = bisect_checkout(¤t_rev, no_checkout);
|
|
if (res != BISECT_OK)
|
|
return -1;
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int bisect_run(struct bisect_terms *terms, int argc, const char **argv)
|
|
{
|
|
int res = BISECT_OK;
|
|
struct strbuf command = STRBUF_INIT;
|
|
const char *new_state;
|
|
int temporary_stdout_fd, saved_stdout;
|
|
int is_first_run = 1;
|
|
|
|
if (bisect_next_check(terms, NULL))
|
|
return BISECT_FAILED;
|
|
|
|
if (!argc) {
|
|
error(_("bisect run failed: no command provided."));
|
|
return BISECT_FAILED;
|
|
}
|
|
|
|
sq_quote_argv(&command, argv);
|
|
strbuf_ltrim(&command);
|
|
while (1) {
|
|
res = do_bisect_run(command.buf);
|
|
|
|
/*
|
|
* Exit code 126 and 127 can either come from the shell
|
|
* if it was unable to execute or even find the script,
|
|
* or from the script itself. Check with a known-good
|
|
* revision to avoid trashing the bisect run due to a
|
|
* missing or non-executable script.
|
|
*/
|
|
if (is_first_run && (res == 126 || res == 127)) {
|
|
int rc = verify_good(terms, command.buf);
|
|
is_first_run = 0;
|
|
if (rc < 0 || 128 <= rc) {
|
|
error(_("unable to verify %s on good"
|
|
" revision"), command.buf);
|
|
res = BISECT_FAILED;
|
|
break;
|
|
}
|
|
if (rc == res) {
|
|
error(_("bogus exit code %d for good revision"),
|
|
rc);
|
|
res = BISECT_FAILED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (res < 0 || 128 <= res) {
|
|
error(_("bisect run failed: exit code %d from"
|
|
" %s is < 0 or >= 128"), res, command.buf);
|
|
break;
|
|
}
|
|
|
|
if (res == 125)
|
|
new_state = "skip";
|
|
else if (!res)
|
|
new_state = terms->term_good;
|
|
else
|
|
new_state = terms->term_bad;
|
|
|
|
temporary_stdout_fd = open(git_path_bisect_run(), O_CREAT | O_WRONLY | O_TRUNC, 0666);
|
|
|
|
if (temporary_stdout_fd < 0) {
|
|
res = error_errno(_("cannot open file '%s' for writing"), git_path_bisect_run());
|
|
break;
|
|
}
|
|
|
|
fflush(stdout);
|
|
saved_stdout = dup(1);
|
|
dup2(temporary_stdout_fd, 1);
|
|
|
|
res = bisect_state(terms, 1, &new_state);
|
|
|
|
fflush(stdout);
|
|
dup2(saved_stdout, 1);
|
|
close(saved_stdout);
|
|
close(temporary_stdout_fd);
|
|
|
|
print_file_to_stdout(git_path_bisect_run());
|
|
|
|
if (res == BISECT_ONLY_SKIPPED_LEFT)
|
|
error(_("bisect run cannot continue any more"));
|
|
else if (res == BISECT_INTERNAL_SUCCESS_MERGE_BASE) {
|
|
puts(_("bisect run success"));
|
|
res = BISECT_OK;
|
|
} else if (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND) {
|
|
puts(_("bisect found first bad commit"));
|
|
res = BISECT_OK;
|
|
} else if (res) {
|
|
error(_("bisect run failed: 'git bisect %s'"
|
|
" exited with error code %d"), new_state, res);
|
|
} else {
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
strbuf_release(&command);
|
|
return res;
|
|
}
|
|
|
|
static int cmd_bisect__reset(int argc, const char **argv, const char *prefix UNUSED)
|
|
{
|
|
if (argc > 1)
|
|
return error(_("'%s' requires either no argument or a commit"),
|
|
"git bisect reset");
|
|
return bisect_reset(argc ? argv[0] : NULL);
|
|
}
|
|
|
|
static int cmd_bisect__terms(int argc, const char **argv, const char *prefix UNUSED)
|
|
{
|
|
int res;
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
if (argc > 1)
|
|
return error(_("'%s' requires 0 or 1 argument"),
|
|
"git bisect terms");
|
|
res = bisect_terms(&terms, argc == 1 ? argv[0] : NULL);
|
|
free_terms(&terms);
|
|
return res;
|
|
}
|
|
|
|
static int cmd_bisect__start(int argc, const char **argv, const char *prefix UNUSED)
|
|
{
|
|
int res;
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
set_terms(&terms, "bad", "good");
|
|
res = bisect_start(&terms, argc, argv);
|
|
free_terms(&terms);
|
|
return res;
|
|
}
|
|
|
|
static int cmd_bisect__next(int argc, const char **argv UNUSED, const char *prefix)
|
|
{
|
|
int res;
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
if (argc)
|
|
return error(_("'%s' requires 0 arguments"),
|
|
"git bisect next");
|
|
get_terms(&terms);
|
|
res = bisect_next(&terms, prefix);
|
|
free_terms(&terms);
|
|
return res;
|
|
}
|
|
|
|
static int cmd_bisect__log(int argc UNUSED, const char **argv UNUSED, const char *prefix UNUSED)
|
|
{
|
|
return bisect_log();
|
|
}
|
|
|
|
static int cmd_bisect__replay(int argc, const char **argv, const char *prefix UNUSED)
|
|
{
|
|
int res;
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
if (argc != 1)
|
|
return error(_("no logfile given"));
|
|
set_terms(&terms, "bad", "good");
|
|
res = bisect_replay(&terms, argv[0]);
|
|
free_terms(&terms);
|
|
return res;
|
|
}
|
|
|
|
static int cmd_bisect__skip(int argc, const char **argv, const char *prefix UNUSED)
|
|
{
|
|
int res;
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
set_terms(&terms, "bad", "good");
|
|
get_terms(&terms);
|
|
res = bisect_skip(&terms, argc, argv);
|
|
free_terms(&terms);
|
|
return res;
|
|
}
|
|
|
|
static int cmd_bisect__visualize(int argc, const char **argv, const char *prefix UNUSED)
|
|
{
|
|
int res;
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
get_terms(&terms);
|
|
res = bisect_visualize(&terms, argc, argv);
|
|
free_terms(&terms);
|
|
return res;
|
|
}
|
|
|
|
static int cmd_bisect__run(int argc, const char **argv, const char *prefix UNUSED)
|
|
{
|
|
int res;
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
if (!argc)
|
|
return error(_("'%s' failed: no command provided."), "git bisect run");
|
|
get_terms(&terms);
|
|
res = bisect_run(&terms, argc, argv);
|
|
free_terms(&terms);
|
|
return res;
|
|
}
|
|
|
|
int cmd_bisect(int argc, const char **argv, const char *prefix)
|
|
{
|
|
int res = 0;
|
|
parse_opt_subcommand_fn *fn = NULL;
|
|
struct option options[] = {
|
|
OPT_SUBCOMMAND("reset", &fn, cmd_bisect__reset),
|
|
OPT_SUBCOMMAND("terms", &fn, cmd_bisect__terms),
|
|
OPT_SUBCOMMAND("start", &fn, cmd_bisect__start),
|
|
OPT_SUBCOMMAND("next", &fn, cmd_bisect__next),
|
|
OPT_SUBCOMMAND("log", &fn, cmd_bisect__log),
|
|
OPT_SUBCOMMAND("replay", &fn, cmd_bisect__replay),
|
|
OPT_SUBCOMMAND("skip", &fn, cmd_bisect__skip),
|
|
OPT_SUBCOMMAND("visualize", &fn, cmd_bisect__visualize),
|
|
OPT_SUBCOMMAND("view", &fn, cmd_bisect__visualize),
|
|
OPT_SUBCOMMAND("run", &fn, cmd_bisect__run),
|
|
OPT_END()
|
|
};
|
|
argc = parse_options(argc, argv, prefix, options, git_bisect_usage,
|
|
PARSE_OPT_SUBCOMMAND_OPTIONAL);
|
|
|
|
if (!fn) {
|
|
struct bisect_terms terms = { 0 };
|
|
|
|
if (!argc)
|
|
usage_msg_opt(_("need a command"), git_bisect_usage, options);
|
|
|
|
set_terms(&terms, "bad", "good");
|
|
get_terms(&terms);
|
|
if (check_and_set_terms(&terms, argv[0]))
|
|
usage_msg_optf(_("unknown command: '%s'"), git_bisect_usage,
|
|
options, argv[0]);
|
|
res = bisect_state(&terms, argc, argv);
|
|
free_terms(&terms);
|
|
} else {
|
|
argc--;
|
|
argv++;
|
|
res = fn(argc, argv, prefix);
|
|
}
|
|
|
|
return is_bisect_success(res) ? 0 : -res;
|
|
}
|