зеркало из https://github.com/microsoft/git.git
bisect--helper: reimplement `bisect_replay` shell function in C
Reimplement the `bisect_replay` shell function in C and also add `--bisect-replay` subcommand to `git bisect--helper` to call it from git-bisect.sh Using `--bisect-replay` subcommand is a temporary measure to port shell function to C so as to use the existing test suite. Mentored-by: Lars Schneider <larsxschneider@gmail.com> Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com> Signed-off-by: Miriam Rubio <mirucam@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Родитель
97d5ba6a39
Коммит
2b1fd947f6
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@ -31,6 +31,7 @@ static const char * const git_bisect_helper_usage[] = {
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N_("git bisect--helper --bisect-auto-next"),
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N_("git bisect--helper --bisect-state (bad|new) [<rev>]"),
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N_("git bisect--helper --bisect-state (good|old) [<rev>...]"),
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N_("git bisect--helper --bisect-replay <filename>"),
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NULL
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};
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@ -921,6 +922,78 @@ static enum bisect_error bisect_log(void)
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return status ? BISECT_FAILED : BISECT_OK;
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}
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static int process_replay_line(struct bisect_terms *terms, struct strbuf *line)
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{
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const char *p = line->buf + strspn(line->buf, " \t");
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char *word_end, *rev;
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if ((!skip_prefix(p, "git bisect", &p) &&
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!skip_prefix(p, "git-bisect", &p)) || !isspace(*p))
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return 0;
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p += strspn(p, " \t");
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word_end = (char *)p + strcspn(p, " \t");
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rev = word_end + strspn(word_end, " \t");
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*word_end = '\0'; /* NUL-terminate the word */
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get_terms(terms);
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if (check_and_set_terms(terms, p))
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return -1;
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if (!strcmp(p, "start")) {
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struct strvec argv = STRVEC_INIT;
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int res;
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sq_dequote_to_strvec(rev, &argv);
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res = bisect_start(terms, argv.v, argv.nr);
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strvec_clear(&argv);
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return res;
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}
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if (one_of(p, terms->term_good,
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terms->term_bad, "skip", NULL))
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return bisect_write(p, rev, terms, 0);
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if (!strcmp(p, "terms")) {
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struct strvec argv = STRVEC_INIT;
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int res;
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sq_dequote_to_strvec(rev, &argv);
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res = bisect_terms(terms, argv.nr == 1 ? argv.v[0] : NULL);
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strvec_clear(&argv);
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return res;
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}
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error(_("'%s'?? what are you talking about?"), p);
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return -1;
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}
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static enum bisect_error bisect_replay(struct bisect_terms *terms, const char *filename)
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{
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FILE *fp = NULL;
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enum bisect_error res = BISECT_OK;
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struct strbuf line = STRBUF_INIT;
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if (is_empty_or_missing_file(filename))
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return error(_("cannot read file '%s' for replaying"), filename);
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if (bisect_reset(NULL))
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return BISECT_FAILED;
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fp = fopen(filename, "r");
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if (!fp)
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return BISECT_FAILED;
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while ((strbuf_getline(&line, fp) != EOF) && !res)
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res = process_replay_line(terms, &line);
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strbuf_release(&line);
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fclose(fp);
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if (res)
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return BISECT_FAILED;
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return bisect_auto_next(terms, NULL);
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}
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int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
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{
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enum {
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@ -934,7 +1007,8 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
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BISECT_NEXT,
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BISECT_AUTO_NEXT,
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BISECT_STATE,
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BISECT_LOG
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BISECT_LOG,
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BISECT_REPLAY
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} cmdmode = 0;
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int res = 0, nolog = 0;
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struct option options[] = {
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@ -958,6 +1032,8 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
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N_("mark the state of ref (or refs)"), BISECT_STATE),
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OPT_CMDMODE(0, "bisect-log", &cmdmode,
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N_("list the bisection steps so far"), BISECT_LOG),
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OPT_CMDMODE(0, "bisect-replay", &cmdmode,
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N_("replay the bisection process from the given file"), BISECT_REPLAY),
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OPT_BOOL(0, "no-log", &nolog,
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N_("no log for BISECT_WRITE")),
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OPT_END()
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@ -1025,6 +1101,12 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
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return error(_("--bisect-log requires 0 arguments"));
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res = bisect_log();
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break;
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case BISECT_REPLAY:
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if (argc != 1)
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return error(_("no logfile given"));
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set_terms(&terms, "bad", "good");
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res = bisect_replay(&terms, argv[0]);
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break;
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default:
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BUG("unknown subcommand %d", cmdmode);
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}
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@ -77,38 +77,6 @@ bisect_visualize() {
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eval '"$@"' --bisect -- $(cat "$GIT_DIR/BISECT_NAMES")
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}
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bisect_replay () {
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file="$1"
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test "$#" -eq 1 || die "$(gettext "No logfile given")"
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test -r "$file" || die "$(eval_gettext "cannot read \$file for replaying")"
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git bisect--helper --bisect-reset || exit
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oIFS="$IFS" IFS="$IFS$(printf '\015')"
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while read git bisect command rev tail
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do
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test "$git $bisect" = "git bisect" || test "$git" = "git-bisect" || continue
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if test "$git" = "git-bisect"
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then
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rev="$command"
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command="$bisect"
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fi
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get_terms
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git bisect--helper --check-and-set-terms "$command" "$TERM_GOOD" "$TERM_BAD" || exit
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get_terms
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case "$command" in
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start)
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eval "git bisect--helper --bisect-start $rev $tail" ;;
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"$TERM_GOOD"|"$TERM_BAD"|skip)
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git bisect--helper --bisect-write "$command" "$rev" "$TERM_GOOD" "$TERM_BAD" || exit;;
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terms)
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git bisect--helper --bisect-terms $rev || exit;;
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*)
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die "$(gettext "?? what are you talking about?")" ;;
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esac
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done <"$file"
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IFS="$oIFS"
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git bisect--helper --bisect-auto-next || exit
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}
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bisect_run () {
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git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit
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@ -203,7 +171,7 @@ case "$#" in
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reset)
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git bisect--helper --bisect-reset "$@" ;;
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replay)
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bisect_replay "$@" ;;
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git bisect--helper --bisect-replay "$@" || exit;;
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log)
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git bisect--helper --bisect-log || exit ;;
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run)
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