From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.9 required=3.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id AB4561F859 for ; Fri, 19 Aug 2016 21:18:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932441AbcHSVSN (ORCPT ); Fri, 19 Aug 2016 17:18:13 -0400 Received: from a7-17.smtp-out.eu-west-1.amazonses.com ([54.240.7.17]:60502 "EHLO a7-17.smtp-out.eu-west-1.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932428AbcHSVSM (ORCPT ); Fri, 19 Aug 2016 17:18:12 -0400 X-Greylist: delayed 2716 seconds by postgrey-1.27 at vger.kernel.org; Fri, 19 Aug 2016 17:18:12 EDT DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=ihchhvubuqgjsxyuhssfvqohv7z3u4hn; d=amazonses.com; t=1471638750; h=From:To:Message-ID:In-Reply-To:References:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Date:Feedback-ID; bh=dmkF0Kxtrd+gC4xl6xBHYx9/bFAaOX+VfVO71VSX7UE=; b=N8nK14CqjV6hBEN74s+GDk/3qc7QzbExskcnBptf3x/4hZjL3iG/ivqan3ANaVhL eEDTfMnYjpLRnQtgWDDfJWUpTqe9yVKe2bKJlZA7e91xNLJ18vW5xAESaClIYP/coI6 c6AKDV+7OfwWgpEIpHUKPrLEylw+slUPOJN1WoSs= From: Pranit Bauva To: git@vger.kernel.org Message-ID: <01020156a48145a8-d2a03d0a-e6e8-42ae-9960-2effc5547b7c-000000@eu-west-1.amazonses.com> In-Reply-To: <01020156a48144f8-c0e127c1-8cd9-4295-ac16-449a54315cac-000000@eu-west-1.amazonses.com> References: <01020156a48144f8-c0e127c1-8cd9-4295-ac16-449a54315cac-000000@eu-west-1.amazonses.com> Subject: [PATCH v13 04/13] bisect--helper: `bisect_clean_state` shell function in C MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Fri, 19 Aug 2016 20:32:30 +0000 X-SES-Outgoing: 2016.08.19-54.240.7.17 Feedback-ID: 1.eu-west-1.YYPRFFOog89kHDDPKvTu4MK67j4wW0z7cAgZtFqQH58=:AmazonSES Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Reimplement `bisect_clean_state` shell function in C and add a `bisect-clean-state` subcommand to `git bisect--helper` to call it from git-bisect.sh . Using `--bisect-clean-state` subcommand is a measure to port shell function to C so as to use the existing test suite. As more functions are ported, this subcommand will be retired but its implementation will be called by bisect_reset() and bisect_start(). Mentored-by: Lars Schneider Mentored-by: Christian Couder Signed-off-by: Pranit Bauva --- bisect.c | 43 +++++++++++++++++++++++++++++++++++++++++++ bisect.h | 2 ++ builtin/bisect--helper.c | 14 +++++++++++++- git-bisect.sh | 26 +++----------------------- 4 files changed, 61 insertions(+), 24 deletions(-) diff --git a/bisect.c b/bisect.c index 6f512c2..45d598d 100644 --- a/bisect.c +++ b/bisect.c @@ -430,6 +430,12 @@ static int read_bisect_refs(void) static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES") static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV") +static GIT_PATH_FUNC(git_path_bisect_ancestors_ok, "BISECT_ANCESTORS_OK") +static GIT_PATH_FUNC(git_path_bisect_run, "BISECT_RUN") +static GIT_PATH_FUNC(git_path_bisect_start, "BISECT_START") +static GIT_PATH_FUNC(git_path_bisect_log, "BISECT_LOG") +static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS") +static GIT_PATH_FUNC(git_path_head_name, "head-name") static void read_bisect_paths(struct argv_array *array) { @@ -1040,3 +1046,40 @@ int estimate_bisect_steps(int all) return (e < 3 * x) ? n : n - 1; } + +static int mark_for_removal(const char *refname, const struct object_id *oid, + int flag, void *cb_data) +{ + struct string_list *refs = cb_data; + char *ref = xstrfmt("refs/bisect%s", refname); + string_list_append(refs, ref); + return 0; +} + +int bisect_clean_state(void) +{ + int result = 0; + + /* There may be some refs packed during bisection */ + struct string_list refs_for_removal = STRING_LIST_INIT_NODUP; + for_each_ref_in("refs/bisect", mark_for_removal, (void *) &refs_for_removal); + string_list_append(&refs_for_removal, xstrdup("BISECT_HEAD")); + result = delete_refs(&refs_for_removal, REF_NODEREF); + refs_for_removal.strdup_strings = 1; + string_list_clear(&refs_for_removal, 0); + unlink_or_warn(git_path_bisect_expected_rev()); + unlink_or_warn(git_path_bisect_ancestors_ok()); + unlink_or_warn(git_path_bisect_log()); + unlink_or_warn(git_path_bisect_names()); + unlink_or_warn(git_path_bisect_run()); + unlink_or_warn(git_path_bisect_terms()); + /* Cleanup head-name if it got left by an old version of git-bisect */ + unlink_or_warn(git_path_head_name()); + /* + * Cleanup BISECT_START last to support the --no-checkout option + * introduced in the commit 4796e823a. + */ + unlink_or_warn(git_path_bisect_start()); + + return result; +} diff --git a/bisect.h b/bisect.h index acd12ef..0ae63d4 100644 --- a/bisect.h +++ b/bisect.h @@ -28,4 +28,6 @@ extern int estimate_bisect_steps(int all); extern void read_bisect_terms(const char **bad, const char **good); +extern int bisect_clean_state(void); + #endif diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c index 30e1031..e50934c 100644 --- a/builtin/bisect--helper.c +++ b/builtin/bisect--helper.c @@ -5,10 +5,15 @@ #include "refs.h" static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS") +static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV") +static GIT_PATH_FUNC(git_path_bisect_ancestors_ok, "BISECT_ANCESTORS_OK") +static GIT_PATH_FUNC(git_path_bisect_log, "BISECT_LOG") +static GIT_PATH_FUNC(git_path_bisect_start, "BISECT_START") static const char * const git_bisect_helper_usage[] = { N_("git bisect--helper --next-all [--no-checkout]"), N_("git bisect--helper --write-terms "), + N_("git bisect--helper --bisect-clean-state"), NULL }; @@ -83,7 +88,8 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) { enum { NEXT_ALL = 1, - WRITE_TERMS + WRITE_TERMS, + BISECT_CLEAN_STATE } cmdmode = 0; int no_checkout = 0; struct option options[] = { @@ -91,6 +97,8 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) N_("perform 'git bisect next'"), NEXT_ALL), OPT_CMDMODE(0, "write-terms", &cmdmode, N_("write the terms to .git/BISECT_TERMS"), WRITE_TERMS), + OPT_CMDMODE(0, "bisect-clean-state", &cmdmode, + N_("cleanup the bisection state"), BISECT_CLEAN_STATE), OPT_BOOL(0, "no-checkout", &no_checkout, N_("update BISECT_HEAD instead of checking out the current commit")), OPT_END() @@ -109,6 +117,10 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) if (argc != 2) die(_("--write-terms requires two arguments")); return write_terms(argv[0], argv[1]); + case BISECT_CLEAN_STATE: + if (argc != 0) + die(_("--bisect-clean-state requires no arguments")); + return bisect_clean_state(); default: die("BUG: unknown subcommand '%d'", cmdmode); } diff --git a/git-bisect.sh b/git-bisect.sh index 9ef6cb8..f1202df 100755 --- a/git-bisect.sh +++ b/git-bisect.sh @@ -186,7 +186,7 @@ bisect_start() { # # Get rid of any old bisect state. # - bisect_clean_state || exit + git bisect--helper --bisect-clean-state || exit # # Change state. @@ -195,7 +195,7 @@ bisect_start() { # We have to trap this to be able to clean up using # "bisect_clean_state". # - trap 'bisect_clean_state' 0 + trap 'git bisect--helper --bisect-clean-state' 0 trap 'exit 255' 1 2 3 15 # @@ -430,27 +430,7 @@ bisect_reset() { die "$(eval_gettext "Could not check out original HEAD '\$branch'. Try 'git bisect reset '.")" fi - bisect_clean_state -} - -bisect_clean_state() { - # There may be some refs packed during bisection. - git for-each-ref --format='%(refname) %(objectname)' refs/bisect/\* | - while read ref hash - do - git update-ref -d $ref $hash || exit - done - rm -f "$GIT_DIR/BISECT_EXPECTED_REV" && - rm -f "$GIT_DIR/BISECT_ANCESTORS_OK" && - rm -f "$GIT_DIR/BISECT_LOG" && - rm -f "$GIT_DIR/BISECT_NAMES" && - rm -f "$GIT_DIR/BISECT_RUN" && - rm -f "$GIT_DIR/BISECT_TERMS" && - # Cleanup head-name if it got left by an old version of git-bisect - rm -f "$GIT_DIR/head-name" && - git update-ref -d --no-deref BISECT_HEAD && - # clean up BISECT_START last - rm -f "$GIT_DIR/BISECT_START" + git bisect--helper --bisect-clean-state || exit } bisect_replay () { -- https://github.com/git/git/pull/281