From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.8 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id AAEBD1F463 for ; Tue, 24 Dec 2019 09:58:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726128AbfLXJ6g (ORCPT ); Tue, 24 Dec 2019 04:58:36 -0500 Received: from mail-qv1-f65.google.com ([209.85.219.65]:44726 "EHLO mail-qv1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726084AbfLXJ6g (ORCPT ); Tue, 24 Dec 2019 04:58:36 -0500 Received: by mail-qv1-f65.google.com with SMTP id n8so7287889qvg.11 for ; Tue, 24 Dec 2019 01:58:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=IaG6c5Qbq21fm84/OjnbpOUnPUb5ax5gspAczOEk4vU=; b=c/PZQj7HzUnAyorRBuvc2hOAj846aB9cLqBeY5Gwpf4Go9kslYHEFfWYFBvpbEPLmI 1UmSrcxUuAoTv0bax+pWHx7RKS7y2jqGA6rHUkaxnL7ObLuUwjaYoF3i8c+2+ruCqqYs uZCqih7P4MWsMExRKTtw2YuOdvjQKfLbIpIdmiJZpEEi1ZWIzxWiBFuR+K1eovOaX0sB vulvXBzVMvE0z7ON0hx8zfzHBJaDQdi9RUAZGK/BHKtLodMdmjlk8sY8PddAoy5HlIna 1q1WCl0YCAMpQp0ZLVHEUFi/8Gpas5FenpVnQbeNOzrXGZLw1WUqcVCgcDhP6nkCmWDS e1yQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=IaG6c5Qbq21fm84/OjnbpOUnPUb5ax5gspAczOEk4vU=; b=hPEzqSIMWR1QDw95j4fxGqyoavIecmq4OiIXHhWMg6pHo4H68T72ioZqAdyjeTr/oC 0IyxrezDf63wqi0zFv4hSnn+FnpZrv8qzBDs/hkO/z7Hu9F2eevXsOO+MbdvwNydCGNX J5teQHvhWZs2knOAsvggx9oJz6Lv0C79rRMRwKUy1U+S85d2+Q5/sWoaYw9ya0uhsOUh 7ewobf3dV8IJ3mRxh3/mMS6U4ftJI/UuaWgYiwcrldGVd7rT09cN9zQJ9aR4mU5AGzh+ zn55LLo5iEF4KE1ZlXnyq6fSRsg7FHqGYpsWe8vTX+dlvFqUm2e8VZ0iRWUTFldiAuTy Psow== X-Gm-Message-State: APjAAAUil9Et0PrqyVeOAZU0r5nILn+H8/SPufSfCGRt8hXIqDe0YK4L PUGELReeFUEns05oy4xt0iw= X-Google-Smtp-Source: APXvYqx6gKZgvcMJNoHaCdFxUYPE1Zm1On6ZUp2crWqhPekFS0tQx9S/KDDQB8E7Y2gtiA2BEsIDTg== X-Received: by 2002:a0c:b034:: with SMTP id k49mr28718927qvc.144.1577181514774; Tue, 24 Dec 2019 01:58:34 -0800 (PST) Received: from generichostname (CPE18593399858a-CM185933998587.cpe.net.cable.rogers.com. [174.112.65.113]) by smtp.gmail.com with ESMTPSA id y26sm7378339qtc.94.2019.12.24.01.58.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Dec 2019 01:58:34 -0800 (PST) Date: Tue, 24 Dec 2019 04:58:31 -0500 From: Denton Liu To: phillip.wood@dunelm.org.uk Cc: Git Mailing List , Alban Gruin , Johannes Schindelin , Junio C Hamano Subject: Re: [RFC PATCH 7/7] merge: teach --autostash option Message-ID: <20191224095831.GA2743221@generichostname> References: <4a47c27f-2c6a-0bd6-eac8-533700087af9@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4a47c27f-2c6a-0bd6-eac8-533700087af9@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Hi Phillip, On Fri, Oct 18, 2019 at 10:46:37AM +0100, Phillip Wood wrote: > Hi Denton > > On 16/10/2019 18:26, Denton Liu wrote: > > In rebase, one can pass the `--autostash` option to cause the worktree > > to be automatically stashed before continuing with the rebase. This > > option is missing in merge, however. > > It might be helpful to say why this option is useful. I can see one might > want to stash before doing `git pull` in the same way as one might before a > rebase but what's the motivation for doing it before a normal merge? Will do. > > > > > Implement the `--autostash` option and corresponding `merge.autoStash` > > option in merge which stashes before merging and then pops after. > > > > Reported-by: Alban Gruin > > Signed-off-by: Denton Liu > > --- > > builtin/merge.c | 13 +++++++++++++ > > builtin/pull.c | 9 +++++---- > > t/t5520-pull.sh | 8 -------- > > 3 files changed, 18 insertions(+), 12 deletions(-) > > > > diff --git a/builtin/merge.c b/builtin/merge.c > > index 062e911441..d1a5eaad0d 100644 > > --- a/builtin/merge.c > > +++ b/builtin/merge.c > > @@ -40,6 +40,7 @@ > > #include "branch.h" > > #include "commit-reach.h" > > #include "wt-status.h" > > +#include "autostash.h" > > #define DEFAULT_TWOHEAD (1<<0) > > #define DEFAULT_OCTOPUS (1<<1) > > @@ -58,6 +59,8 @@ static const char * const builtin_merge_usage[] = { > > NULL > > }; > > +static GIT_PATH_FUNC(merge_autostash, "MERGE_AUTOSTASH") > > + > > static int show_diffstat = 1, shortlog_len = -1, squash; > > static int option_commit = -1; > > static int option_edit = -1; > > @@ -81,6 +84,7 @@ static int show_progress = -1; > > static int default_to_upstream = 1; > > static int signoff; > > static const char *sign_commit; > > +static int autostash; > > static int no_verify; > > static struct strategy all_strategy[] = { > > @@ -285,6 +289,8 @@ static struct option builtin_merge_options[] = { > > OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1), > > { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"), > > N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, > > + OPT_BOOL(0, "autostash", &autostash, > > + N_("automatically stash/stash pop before and after")), > > OPT_BOOL(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")), > > OPT_BOOL(0, "signoff", &signoff, N_("add Signed-off-by:")), > > OPT_BOOL(0, "no-verify", &no_verify, N_("bypass pre-merge-commit and commit-msg hooks")), > > @@ -440,6 +446,7 @@ static void finish(struct commit *head_commit, > > strbuf_addf(&reflog_message, "%s: %s", > > getenv("GIT_REFLOG_ACTION"), msg); > > } > > + apply_autostash(merge_autostash()); > > if (squash) { > > squash_message(head_commit, remoteheads); > > } else { > > @@ -631,6 +638,9 @@ static int git_merge_config(const char *k, const char *v, void *cb) > > } else if (!strcmp(k, "commit.gpgsign")) { > > sign_commit = git_config_bool(k, v) ? "" : NULL; > > return 0; > > + } else if (!strcmp(k, "merge.autostash")) { > > + autostash = git_config_bool(k, v); > > + return 0; > > } > > status = fmt_merge_msg_config(k, v, cb); > > @@ -724,6 +734,8 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, > > for (j = common; j; j = j->next) > > commit_list_insert(j->item, &reversed); > > + if (autostash) > > + perform_autostash(merge_autostash()); > > hold_locked_index(&lock, LOCK_DIE_ON_ERROR); > > clean = merge_recursive(&o, head, > > remoteheads->item, reversed, &result); > > @@ -1288,6 +1300,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) > > /* Invoke 'git reset --merge' */ > > ret = cmd_reset(nargc, nargv, prefix); > > + apply_autostash(merge_autostash()); > > goto done; > > } > > diff --git a/builtin/pull.c b/builtin/pull.c > > index d25ff13a60..ee186781ae 100644 > > --- a/builtin/pull.c > > +++ b/builtin/pull.c > > @@ -183,7 +183,7 @@ static struct option pull_options[] = { > > N_("verify that the named commit has a valid GPG signature"), > > PARSE_OPT_NOARG), > > OPT_BOOL(0, "autostash", &opt_autostash, > > - N_("automatically stash/stash pop before and after rebase")), > > + N_("automatically stash/stash pop before and after")), > > I've not looked closely at the code in this patch but noticed this. I think > it would read better if it said > > automatically stash/stash pop before and after pulling Since this is an `argh` argument, it says that we should "keep it homogenous across the repository". Since rebase (which I copied it from), merge and pull will be sharing the same argh string, I think that we should leave it as is. Thanks, Denton > > Best Wishes > > Phillip > > > OPT_PASSTHRU_ARGV('s', "strategy", &opt_strategies, N_("strategy"), > > N_("merge strategy to use"), > > 0), > > @@ -671,6 +671,10 @@ static int run_merge(void) > > argv_array_pushv(&args, opt_strategy_opts.argv); > > if (opt_gpg_sign) > > argv_array_push(&args, opt_gpg_sign); > > + if (opt_autostash == 0) > > + argv_array_push(&args, "--no-autostash"); > > + else if (opt_autostash == 1) > > + argv_array_push(&args, "--autostash"); > > if (opt_allow_unrelated_histories > 0) > > argv_array_push(&args, "--allow-unrelated-histories"); > > @@ -918,9 +922,6 @@ int cmd_pull(int argc, const char **argv, const char *prefix) > > if (get_oid("HEAD", &orig_head)) > > oidclr(&orig_head); > > - if (!opt_rebase && opt_autostash != -1) > > - die(_("--[no-]autostash option is only valid with --rebase.")); > > - > > autostash = config_autostash; > > if (opt_rebase) { > > if (opt_autostash != -1) > > diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh > > index cf4cc32fd0..75f162495a 100755 > > --- a/t/t5520-pull.sh > > +++ b/t/t5520-pull.sh > > @@ -365,14 +365,6 @@ test_expect_success 'pull --rebase --no-autostash & rebase.autostash unset' ' > > test_pull_autostash_fail --rebase --no-autostash > > ' > > -for i in --autostash --no-autostash > > -do > > - test_expect_success "pull $i (without --rebase) is illegal" ' > > - test_must_fail git pull $i . copy 2>err && > > - test_i18ngrep "only valid with --rebase" err > > - ' > > -done > > - > > test_expect_success 'pull.rebase' ' > > git reset --hard before-rebase && > > test_config pull.rebase true && > >