From patchwork Wed Apr 7 17:33:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Miriam R." X-Patchwork-Id: 12189055 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A956C433ED for ; Wed, 7 Apr 2021 17:34:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E782E6128D for ; Wed, 7 Apr 2021 17:34:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354894AbhDGRen (ORCPT ); Wed, 7 Apr 2021 13:34:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354881AbhDGReg (ORCPT ); Wed, 7 Apr 2021 13:34:36 -0400 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08849C061760 for ; Wed, 7 Apr 2021 10:34:26 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id f12so12852555wro.0 for ; Wed, 07 Apr 2021 10:34:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DSUY569oHjkC1ywZQ0wdQmy4KfPUqh+cHJCfrmIfiOw=; b=KvDJkl37hdkpAvuen7PvrX+l3Uxu2xrrK9wsvB8czC7nX0hbU/dCYHUL8ToTkC0LVv WjtDCUfkZe0WQauGePNvQK+4syLTWvZjOHIkq7HehJD6lTfcFmovDhxqix8Vj9AHTel9 d6CkTlpRptDxKB0f8YAzQ3O2K0A6AooVbAnP/pXs9FKvw+VElzq3UBo4Hvt0DTSUeBFP /PtZtPn/gtlagqxcPWImqjyTf/BFTXm7euUfoMolDxcggF5btnyZglNMcc4b9UQJ4SVt 8+Qhcl3VB0WB/6iVUJurgAxO53m3iuneIZ5pXz0M7sFrrYF56Ey7EpwVfoQS8SR/EqcY wWwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DSUY569oHjkC1ywZQ0wdQmy4KfPUqh+cHJCfrmIfiOw=; b=Tb7LMQEMAC2BDNq+OloybAxUagS1SoovqvD0j4n9Le5pJACBJR/TB5KlUqK0pcmM0p Fqd8iBYLOcmbSkO8z1z2VjKCFG2x3abMNATHIGgTFg5Nc4qPPtEJLMhewYHC7IFvc43q bec8BwZyyjYNb2omOMQXZB/uuAOH1yRj4wKURW3MDk4n+2enVdfgCq3wPVWcYCAaSkPT RRlkmIMWaO2Yya413kPUFsV7pCW12D6y6xDPw+Zb2i6s0ksexvo6z4RXm2+sBYcnJZ3O ybYidDDTudbkU5gL+Z2q8Dzy/MYRLW19CsSKFTgcLV75I0iNasW0xM8HrP9BLBK3uaXm czbA== X-Gm-Message-State: AOAM533oZQOGK8cDKKmWdd0Wwc2LBqpDYSCqL+98YzTSymz2aC4dV6en rxlKwURhidJPRsmJrNkkoUAWhJ6cWpEoHg== X-Google-Smtp-Source: ABdhPJzqkkP53P+nuH3qbPq+i1myiAusp5/aDcIdT74TxQxYH7IrlzKUysuLE0J3KdYxiRzOIgNWHg== X-Received: by 2002:a5d:5082:: with SMTP id a2mr5652722wrt.267.1617816864812; Wed, 07 Apr 2021 10:34:24 -0700 (PDT) Received: from localhost.localdomain ([81.0.37.230]) by smtp.gmail.com with ESMTPSA id o7sm41657197wrs.16.2021.04.07.10.34.24 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 07 Apr 2021 10:34:24 -0700 (PDT) From: Miriam Rubio To: git@vger.kernel.org Cc: Tanushree Tumane , Christian Couder , Miriam Rubio Subject: [PATCH v2 3/4] bisect--helper: reimplement `bisect_run` shell function in C Date: Wed, 7 Apr 2021 19:33:32 +0200 Message-Id: <20210407173334.68222-4-mirucam@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210407173334.68222-1-mirucam@gmail.com> References: <20210407173334.68222-1-mirucam@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Tanushree Tumane Reimplement the `bisect_run()` shell function in C and also add `--bisect-run` subcommand to `git bisect--helper` to call it from git-bisect.sh. Mentored-by: Christian Couder Signed-off-by: Tanushree Tumane Signed-off-by: Miriam Rubio --- builtin/bisect--helper.c | 71 +++++++++++++++++++++++++++++++++++++++- git-bisect.sh | 62 +---------------------------------- 2 files changed, 71 insertions(+), 62 deletions(-) diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c index b77c4f6b29..31c5f99660 100644 --- a/builtin/bisect--helper.c +++ b/builtin/bisect--helper.c @@ -31,6 +31,7 @@ static const char * const git_bisect_helper_usage[] = { N_("git bisect--helper --bisect-replay "), N_("git bisect--helper --bisect-skip [(|)...]"), N_("git bisect--helper --bisect-visualize"), + N_("git bisect--helper --bisect-run ..."), NULL }; @@ -1073,6 +1074,65 @@ static int bisect_visualize(struct bisect_terms *terms, const char **argv, int a return res; } +static int bisect_run(struct bisect_terms *terms, const char **argv, int argc) +{ + int res = BISECT_OK; + struct strbuf command = STRBUF_INIT; + struct strvec args = STRVEC_INIT; + struct strvec run_args = STRVEC_INIT; + + if (bisect_next_check(terms, NULL)) + return BISECT_FAILED; + + if (argc) + sq_quote_argv(&command, argv); + else + return BISECT_FAILED; + + run_args.v[0] = xstrdup(command.buf); + run_args.nr = 1; + + while (1) { + strvec_clear(&args); + + printf(_("running %s"), command.buf); + res = run_command_v_opt(run_args.v, RUN_USING_SHELL); + + if (res < 0 && res >= 128) { + error(_("bisect run failed: exit code %d from" + " '%s' is < 0 or >= 128"), res, command.buf); + strbuf_release(&command); + return res; + } + + if (res == 125) + strvec_push(&args, "skip"); + else if (res > 0) + strvec_push(&args, terms->term_bad); + else + strvec_push(&args, terms->term_good); + + res = bisect_state(terms, args.v, args.nr); + + if (res == BISECT_INTERNAL_SUCCESS_MERGE_BASE) { + printf(_("bisect run success")); + res = BISECT_OK; + } else if (res == BISECT_ONLY_SKIPPED_LEFT) + error(_("bisect run cannot continue any more")); + else if (res) + error(_("bisect run failed:'git bisect--helper --bisect-state" + " %s' exited with error code %d"), args.v[0], res); + else + continue; + + strbuf_release(&command); + strvec_clear(&args); + strvec_clear(&run_args); + + return res; + } +} + int cmd_bisect__helper(int argc, const char **argv, const char *prefix) { enum { @@ -1086,7 +1146,8 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) BISECT_LOG, BISECT_REPLAY, BISECT_SKIP, - BISECT_VISUALIZE + BISECT_VISUALIZE, + BISECT_RUN, } cmdmode = 0; int res = 0, nolog = 0; struct option options[] = { @@ -1110,6 +1171,8 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) N_("skip some commits for checkout"), BISECT_SKIP), OPT_CMDMODE(0, "bisect-visualize", &cmdmode, N_("visualize the bisection"), BISECT_VISUALIZE), + OPT_CMDMODE(0, "bisect-run", &cmdmode, + N_("use ... to automatically bisect."), BISECT_RUN), OPT_BOOL(0, "no-log", &nolog, N_("no log for BISECT_WRITE")), OPT_END() @@ -1174,6 +1237,12 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) get_terms(&terms); res = bisect_visualize(&terms, argv, argc); break; + case BISECT_RUN: + if (!argc) + return error(_("bisect run failed: no command provided.")); + get_terms(&terms); + res = bisect_run(&terms, argv, argc); + break; default: BUG("unknown subcommand %d", cmdmode); } diff --git a/git-bisect.sh b/git-bisect.sh index 95f7f3fb8c..e83d011e17 100755 --- a/git-bisect.sh +++ b/git-bisect.sh @@ -39,66 +39,6 @@ _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" TERM_BAD=bad TERM_GOOD=good -bisect_run () { - git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit - - test -n "$*" || die "$(gettext "bisect run failed: no command provided.")" - - while true - do - command="$@" - eval_gettextln "running \$command" - "$@" - res=$? - - # Check for really bad run error. - if [ $res -lt 0 -o $res -ge 128 ] - then - eval_gettextln "bisect run failed: -exit code \$res from '\$command' is < 0 or >= 128" >&2 - exit $res - fi - - # Find current state depending on run success or failure. - # A special exit code of 125 means cannot test. - if [ $res -eq 125 ] - then - state='skip' - elif [ $res -gt 0 ] - then - state="$TERM_BAD" - else - state="$TERM_GOOD" - fi - - git bisect--helper --bisect-state $state >"$GIT_DIR/BISECT_RUN" - res=$? - - cat "$GIT_DIR/BISECT_RUN" - - if sane_grep "first $TERM_BAD commit could be any of" "$GIT_DIR/BISECT_RUN" \ - >/dev/null - then - gettextln "bisect run cannot continue any more" >&2 - exit $res - fi - - if [ $res -ne 0 ] - then - eval_gettextln "bisect run failed: -'bisect-state \$state' exited with error code \$res" >&2 - exit $res - fi - - if sane_grep "is the first $TERM_BAD commit" "$GIT_DIR/BISECT_RUN" >/dev/null - then - gettextln "bisect run success" - exit 0; - fi - - done -} - get_terms () { if test -s "$GIT_DIR/BISECT_TERMS" then @@ -137,7 +77,7 @@ case "$#" in log) git bisect--helper --bisect-log || exit ;; run) - bisect_run "$@" ;; + git bisect--helper --bisect-run "$@" || exit;; terms) git bisect--helper --bisect-terms "$@" || exit;; *)