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From: Pranit Bauva <pranit.bauva@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: Git List <git@vger.kernel.org>
Subject: Re: [PATCH v14 14/27] bisect--helper: `bisect_next` and `bisect_auto_next` shell function in C
Date: Tue, 30 Aug 2016 23:55:40 +0530	[thread overview]
Message-ID: <CAFZEwPP-c00aNvDKoQFiCf_-tqrP3tAwwU6KAnswfMkjyoP3QQ@mail.gmail.com> (raw)
In-Reply-To: <xmqq37lsmw15.fsf@gitster.mtv.corp.google.com>

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Hey Junio,

Sorry for a late replay.

On Fri, Aug 26, 2016 at 2:00 AM, Junio C Hamano <gitster@pobox.com> wrote:
> Pranit Bauva <pranit.bauva@gmail.com> writes:
>
>> A lot of parts of bisect.c uses exit() and these signals are then
>> trapped in the `bisect_start` function. Since the shell script ceases
>> its existence it would be necessary to convert those exit() calls to
>> return statements so that errors can be reported efficiently in C code.
>
> Is efficiency really an issue?  I think the real reason is that it
> would make it impossible for the callers to handle errors, if you do
> not convert and let the error codepaths exit().

I think I put the word "efficiently" wrongly over here. Will omit it.

>> @@ -729,7 +735,7 @@ static struct commit **get_bad_and_good_commits(int *rev_nr)
>>       return rev;
>>  }
>>
>> -static void handle_bad_merge_base(void)
>> +static int handle_bad_merge_base(void)
>>  {
>>       if (is_expected_rev(current_bad_oid)) {
>>               char *bad_hex = oid_to_hex(current_bad_oid);
>> @@ -750,17 +756,18 @@ static void handle_bad_merge_base(void)
>>                               "between %s and [%s].\n"),
>>                               bad_hex, term_bad, term_good, bad_hex, good_hex);
>>               }
>> -             exit(3);
>> +             return 3;
>>       }
>>
>>       fprintf(stderr, _("Some %s revs are not ancestor of the %s rev.\n"
>>               "git bisect cannot work properly in this case.\n"
>>               "Maybe you mistook %s and %s revs?\n"),
>>               term_good, term_bad, term_good, term_bad);
>> -     exit(1);
>> +     bisect_clean_state();
>> +     return 1;
>
> What is the logic behind this function sometimes clean the state,
> and some other times do not, when it makes an error-return?  We see
> above that "return 3" codepath leaves the state behind.
>
> Either you forgot a necessary clean_state in "return 3" codepath,
> or you forgot to document why the distinction exists in the in-code
> comment for the function.  I cannot tell which, but I am leaning
> towards guessing that it is the former.

This is a very tricky one. I have purposely not included this after a
lot of testing. I have hand tested with the original git and with this
branch. The reason why anyone wouldn't be able to catch this is
because its not covered in the test suite. I am including a patch with
this as an attachment (because I am behind a proxy right now but don't
worry I will include this as a commit in the next series). The
original behaviour of git does not clean the bisect state when this
situation occurs. On another note which you might have missed that
bisect_clean_state() is purposely put before return 1 which is covered
by the test suite. You can try removing it and see that there is a
broken tes. tI was thinking of including the tests after the whole
conversion but now I think including this before will make the
conversion more easier for review.

>> -static void check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
>> +static int check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
>>  {
>>       char *filename = git_pathdup("BISECT_ANCESTORS_OK");
>>       struct stat st;
>> -     int fd;
>> +     int fd, res = 0;
>>
>>       if (!current_bad_oid)
>>               die(_("a %s revision is needed"), term_bad);
>
> Can you let it die yere?

Not really. I should change it to return error().

>> @@ -873,8 +890,11 @@ static void check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
>>                             filename);
>>       else
>>               close(fd);
>> +
>> +     return 0;
>>   done:
>>       free(filename);
>> +     return 0;
>>  }
>
> Who owns "filename"?  The first "return 0" leaves it unfreed, and
> when "goto done" is done, it is freed.
>
> The above two may indicate that "perhaps 'retval + goto finish'
> pattern?" is a really relevant suggestion for the earlier steps in
> this series.

Yes.

>>       if (!all) {
>>               fprintf(stderr, _("No testable commit found.\n"
>>                       "Maybe you started with bad path parameters?\n"));
>> -             exit(4);
>> +             return 4;
>>       }
>>
>>       bisect_rev = revs.commits->item->object.oid.hash;
>>
>>       if (!hashcmp(bisect_rev, current_bad_oid->hash)) {
>> -             exit_if_skipped_commits(tried, current_bad_oid);
>> +             res = exit_if_skipped_commits(tried, current_bad_oid);
>> +             if (res)
>> +                     return res;
>> +
>>               printf("%s is the first %s commit\n", sha1_to_hex(bisect_rev),
>>                       term_bad);
>>               show_diff_tree(prefix, revs.commits->item);
>>               /* This means the bisection process succeeded. */
>> -             exit(10);
>> +             return 10;
>>       }
>>
>>       nr = all - reaches - 1;
>> @@ -1005,7 +1033,11 @@ int bisect_next_all(const char *prefix, int no_checkout)
>>                 "Bisecting: %d revisions left to test after this %s\n",
>>                 nr), nr, steps_msg);
>>
>> -     return bisect_checkout(bisect_rev, no_checkout);
>> +     res = bisect_checkout(bisect_rev, no_checkout);
>> +     if (res)
>> +             bisect_clean_state();
>> +
>> +     return res;
>>  }
>
> There were tons of "exit_if" that was converted to "if (res) return
> res" above, instead of jumping here to cause clean_state to be
> called.  I cannot tell if this new call to clean_state() is wrong,
> or all the earlier "return res" should come here.  I am guessing the
> latter.

No I don't think its wrong. It is advised in the comment
    In case of mistaken revs or checkout error, or signals received,
    "bisect_auto_next" below may exit or misbehave.
    We have to trap this to be able to clean up using
    "bisect_clean_state".

to clean the bisection state *iff checkout fails* otherwise not.
Luckily this is already covered by the test suite. I think what you
meant is that bisect_clean_state() might be covered elsewhere too then
why perform cleanup here, right? bisect_clean_state() have been
carefully put where ever required only.

>> diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c
>> index c64996a..ef7b3a1 100644
>> --- a/builtin/bisect--helper.c
>> +++ b/builtin/bisect--helper.c
>> @@ -8,6 +8,7 @@
>>  #include "run-command.h"
>>  #include "prompt.h"
>>  #include "quote.h"
>> +#include "revision.h"
>>
>>  static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS")
>>  static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV")
>> @@ -29,6 +30,8 @@ static const char * const git_bisect_helper_usage[] = {
>>       N_("git bisect--helper --bisect-terms [--term-good | --term-old | --term-bad | --term-new]"),
>>       N_("git bisect--helper --bisect start [--term-{old,good}=<term> --term-{new,bad}=<term>]"
>>                                             "[--no-checkout] [<bad> [<good>...]] [--] [<paths>...]"),
>> +     N_("git bisect--helper --bisect-next"),
>> +     N_("git bisect--helper --bisect-auto-next"),
>>       NULL
>>  };
>>
>> @@ -396,6 +399,129 @@ static int bisect_terms(struct bisect_terms *terms, const char **argv, int argc)
>>       return 0;
>>  }
>>
>> +static int register_good_ref(const char *refname,
>> +                          const struct object_id *oid, int flags,
>> +                          void *cb_data)
>> +{
>> +     struct string_list *good_refs = cb_data;
>> +     string_list_append(good_refs, oid_to_hex(oid));
>> +     return 0;
>> +}
>> +
>> +static int bisect_next(struct bisect_terms *terms, const char *prefix)
>> +{
>> +     int res, no_checkout;
>> +
>> +     /* In case of mistaken revs or checkout error, or signals received,
>
> That's an unbalanced comment.  You end the block with "*/" on its
> own line, so you should start the block with "/*" on its own line.
> There seems to be at least one more such comment in this patch but I
> won't repeat.

I shall change this.

>> +      * "bisect_auto_next" below may exit or misbehave.
>> +      * We have to trap this to be able to clean up using
>> +      * "bisect_clean_state".
>> +      */
>
> "exit" meaning "call exit() to terminate the process", or something
> else?  If the latter, don't say "exit", but say "return error".

Yes I think its necessary to change "exit" in comments to "return".
There are other places too in which I will have to change.

>> +     if (bisect_next_check(terms, terms->term_good.buf))
>> +             return -1;
>
> Mental note.  The "autostart" in the original is gone.  Perhaps it
> is done by next_check in this code, but we haven't seen that yet.

This will be added back again in a coming patch[1].

>> +     no_checkout = !is_empty_or_missing_file(git_path_bisect_head());
>> +
>> +     /* Perform all bisection computation, display and checkout */
>> +     res = bisect_next_all(prefix , no_checkout);
>> +
>> +     if (res == 10) {
>> +             FILE *fp;
>> +             unsigned char sha1[20];
>> +             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.buf);
>> +             read_ref(bad_ref, sha1);
>> +             commit = lookup_commit_reference(sha1);
>> +             format_commit_message(commit, "%s", &commit_name, &pp);
>> +             fp = fopen(git_path_bisect_log(), "a");
>> +             if (!fp) {
>> +                     free(bad_ref);
>> +                     strbuf_release(&commit_name);
>> +                     return -1;
>> +             }
>> +             if (fprintf(fp, "# first %s commit: [%s] %s\n",
>> +                         terms->term_bad.buf, sha1_to_hex(sha1),
>> +                         commit_name.buf) < 1){
>> +                     free(bad_ref);
>> +                     strbuf_release(&commit_name);
>> +                     fclose(fp);
>> +                     return -1;
>> +             }
>> +             free(bad_ref);
>> +             strbuf_release(&commit_name);
>> +             fclose(fp);
>> +             return 0;
>
> Doesn't it bother you that you have to write free(bad_ref)...fclose(fp)
> repeatedly?

My mind was more involved in the actual conversion and that was the
main part bothering me. I did all the "clean up" stuff after I did the
actual conversion. And since I was extremely happy after the porting
happened, the "cleanup stuff" didn't bother me much.

>> +     }
>> +     else if (res == 2) {
>> +             FILE *fp;
>> +             struct rev_info revs;
>> +             struct argv_array rev_argv = ARGV_ARRAY_INIT;
>> +             struct string_list good_revs = STRING_LIST_INIT_DUP;
>> +             struct pretty_print_context pp = {0};
>> +             struct commit *commit;
>> +             char *term_good = xstrfmt("%s-*", terms->term_good.buf);
>> +             int i;
>> +
>> +             fp = fopen(git_path_bisect_log(), "a");
>> +             if (!fp) {
>> +                     free(term_good);
>> +                     return -1;
>> +             }
>> +             if (fprintf(fp, "# only skipped commits left to test\n") < 1) {
>> +                     free(term_good);
>> +                     fclose(fp);
>> +                     return -1;
>> +             }
>> +             for_each_glob_ref_in(register_good_ref, term_good,
>> +                                  "refs/bisect/", (void *) &good_revs);
>> +
>> +             free(term_good);
>
> Doesn't it bother you that you have to write free(term_good) repeatedly?
>
>> +             argv_array_pushl(&rev_argv, "skipped_commits", "refs/bisect/bad", "--not", NULL);
>> +             for (i = 0; i < good_revs.nr; i++)
>> +                     argv_array_push(&rev_argv, good_revs.items[i].string);
>> +
>> +             /* It is important to reset the flags used by revision walks
>> +              * as the previous call to bisect_next_all() in turn
>> +              * setups a revision walk.
>> +              */
>> +             reset_revision_walk();
>> +             init_revisions(&revs, NULL);
>> +             rev_argv.argc = setup_revisions(rev_argv.argc, rev_argv.argv, &revs, NULL);
>> +             argv_array_clear(&rev_argv);
>> +             string_list_clear(&good_revs, 0);
>
> Are you sure that the revision walking machinery is prepared to see
> the argv[] and elements in it you have given to setup_revisions()
> gets cleared before it starts doing the real work in
> prepare_revision_walk()?  I am reasonably sure that the machinery
> borrows strings like pathspec elements from the caller and expects
> them to stay during revision traversal.

I have extremely little understanding of revision walking. All what I
know about revision walking is what's covered in
Documentation/technical/api-revision-walking.txt . There it is
mentioned that for multiple revision walking its necessary to reset.
What's happening is that there are multiple calls for revision
walking. Now bisect_next() in itself calls for revision walking two
times (the first one being with bisect_next_all and the next one
conditionally with skip).  This is also the reason why I included a
reset_revision_walk() in bisect.c too in this patch. Before what used
to happen is that when git plumbing commands were called there was no
previous need for resetting the revision walk.  Now that only a C code
exists after bisect_replay() conversion (I faced a problem in a
futuristic patch and thought it would be better to cover it up here),
there would be multiple calls to bisect_next(). Previously it wasn't a
problem because bisect_next_all() was a subcommand called from shell
script and for "skip" it was git-rev-list which did revision walking
as a separate thing. I didn't do reset previously and because of this
I used to get a NULL value in the revs.commits . It would be really
helpful if you could look more into it.

> You seem to have acquired a habit of freeing and clearing things
> early, which is bad.  Instead, make it a habit of free/clear at the
> end, and make sure all error paths go through that central freeing
> site.  That tends to future-proof your code better from leaking even
> when later other people change it.

Sure!

>> +             if (prepare_revision_walk(&revs)) {
>> +                     die(_("revision walk setup failed\n"));
>> +             }
>
> This one is still allowed to die, without clean_state?

I couldn't really test this part of code because I don't know how to
make this call fail. And this isn't covered by the test suite either.
BTW, here also it should be return error().

>> +             while ((commit = get_revision(&revs)) != NULL) {
>> +                     struct strbuf commit_name = STRBUF_INIT;
>> +                     format_commit_message(commit, "%s",
>> +                                           &commit_name, &pp);
>> +                     fprintf(fp, "# possible first %s commit: "
>> +                                 "[%s] %s\n", terms->term_bad.buf,
>> +                                 oid_to_hex(&commit->object.oid),
>> +                                 commit_name.buf);
>> +                     strbuf_release(&commit_name);
>> +             }
>> +
>> +             fclose(fp);
>> +             return res;
>> +     }
>> +
>> +     return res;
>> +}
>
>> @@ -415,47 +541,67 @@ static int bisect_start(struct bisect_terms *terms, int no_checkout,
>>               no_checkout = 1;
>>
>>       for (i = 0; i < argc; i++) {
>> -             if (!strcmp(argv[i], "--")) {
>> +             const char *arg;
>> +             if (starts_with(argv[i], "'"))
>> +                     arg = sq_dequote(xstrdup(argv[i]));
>> +             else
>> +                     arg = argv[i];
>> +             if (!strcmp(arg, "--")) {
>>                       has_double_dash = 1;
>>                       break;
>>               }
>>       }
>
> This is really bad; you are blindly assuming that anything that
> begins with " ' " begins with " ' " because "git-bisect.sh" sq-quoted
> and it never directly came from the command line that _wanted_ to
> give you something that begins with a " ' ".
>
> I suspect that you should be able to dequote on the calling script
> side.  Then all these ugliness would disappear.

I had an unsuccessful attempt at it. Though this ugliness is removed
in the patch[2]. This is specifically because of the line in
bisect_replay() shell function which calls bisect_start().

>>       for (i = 0; i < argc; i++) {
>> -             const char *commit_id = xstrfmt("%s^{commit}", argv[i]);
>> +             const char *arg, *commit_id;
>> +             if (starts_with(argv[i], "'"))
>> +                     arg = sq_dequote(xstrdup(argv[i]));
>> +             else
>> +                     arg = argv[i];
>
> Likewise.
>
>> +             commit_id = xstrfmt("%s^{commit}", arg);
>
> In any case, I think a separate "const char *arg" that is an alias
> to argv[i] in the loop is a very good idea to do from the very
> beginning (i.e. should be done in a much much earlier patch in this
> series).

I will do it in the earlier patch.

[1]: http://public-inbox.org/git/01020156b73fe6d7-8b80c663-7c77-469e-811f-40200ec6dbb1-000000@eu-west-1.amazonses.com/
[2]: https://public-inbox.org/git/01020156b73fe6e4-d45cf1f7-03a3-4566-95d1-73788c5ab2f9-000000@eu-west-1.amazonses.com/

Regards,
Pranit Bauva

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diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index 18e7998..ffd66b1 100755
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh
@@ -911,4 +911,12 @@ test_expect_success 'git bisect reset cleans bisection state properly' '
 	test_path_is_missing "$GIT_DIR/BISECT_START"
 '
 
+test_expect_success 'check whether bisection cleanup is not done with bad merge bases' '
+	HEAD=$(git rev-parse --verify HEAD) &&
+	git bisect start $HASH7 $SIDE_HASH7 &&
+	test_expect_code 3 git bisect bad >out 2>out &&
+	test_i18ngrep "The merge base " out &&
+	test -e .git/BISECT_START &&
+'
+
 test_done

  reply	other threads:[~2016-08-30 18:25 UTC|newest]

Thread overview: 320+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-12 22:35 [PATCH 0/9] Resend of gitster/pb/bisect Pranit Bauva
2016-07-12 22:35 ` [PATCH 1/9] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Pranit Bauva
2016-07-12 22:35 ` [PATCH 2/9] bisect: rewrite `check_term_format` shell function in C Pranit Bauva
2016-07-12 22:35 ` [PATCH 3/9] bisect--helper: `write_terms` " Pranit Bauva
2016-07-12 22:35 ` [PATCH 4/9] bisect--helper: `bisect_clean_state` " Pranit Bauva
2016-07-12 22:35 ` [PATCH 5/9] t6030: explicitly test for bisection cleanup Pranit Bauva
2016-07-12 22:35 ` [PATCH 6/9] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2016-07-12 22:35 ` [PATCH 7/9] bisect--helper: `bisect_reset` shell function in C Pranit Bauva
2016-07-12 22:35 ` [PATCH 8/9] bisect--helper: `is_expected_rev` & `check_expected_revs` " Pranit Bauva
2016-07-12 22:35 ` [PATCH 9/9] bisect--helper: `bisect_write` " Pranit Bauva
2016-07-13  7:47 ` [PATCH 0/9] Resend of gitster/pb/bisect Christian Couder
2016-07-20 16:00 ` Pranit Bauva
2016-07-20 21:47 ` [PATCH v10 01/12] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 02/12] bisect: rewrite `check_term_format` shell function in C Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 07/12] bisect--helper: `bisect_reset` " Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 09/12] bisect--helper: `bisect_write` " Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 06/12] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 12/12] bisect--helper: `get_terms` & `bisect_terms` shell function in C Pranit Bauva
2016-07-22  2:29     ` Torsten Bögershausen
2016-07-22 14:07       ` Pranit Bauva
2016-07-25 16:53         ` Junio C Hamano
2016-07-25 21:28           ` Christian Couder
2016-07-26  1:42           ` Torsten Bögershausen
2016-07-26 17:32             ` Junio C Hamano
2016-07-27  4:20               ` Pranit Bauva
2016-07-27 16:13                 ` Junio C Hamano
2016-07-20 21:47   ` [PATCH v10 10/12] bisect--helper: `check_and_set_terms` " Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 03/12] bisect--helper: `write_terms` " Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 04/12] bisect--helper: `bisect_clean_state` " Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 08/12] bisect--helper: `is_expected_rev` & `check_expected_revs` " Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 11/12] bisect--helper: `bisect_next_check` " Pranit Bauva
2016-07-20 21:47   ` [PATCH v10 05/12] t6030: explicitly test for bisection cleanup Pranit Bauva
2016-07-31  9:21   ` [RFC/PATCH v11 01/13] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 06/13] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 09/13] bisect--helper: `bisect_write` shell function in C Pranit Bauva
2016-08-02 20:25       ` Junio C Hamano
2016-08-02 22:17         ` Junio C Hamano
2016-08-03 20:52           ` Pranit Bauva
2016-08-03 20:51         ` Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 03/13] bisect--helper: `write_terms` " Pranit Bauva
2016-08-02 17:38       ` Junio C Hamano
2016-08-03 20:21         ` Pranit Bauva
2016-08-04 15:39           ` Junio C Hamano
2016-07-31  9:21     ` [RFC/PATCH v11 08/13] bisect--helper: `is_expected_rev` & `check_expected_revs` " Pranit Bauva
2016-08-02 18:46       ` Junio C Hamano
2016-07-31  9:21     ` [RFC/PATCH v11 07/13] bisect--helper: `bisect_reset` " Pranit Bauva
2016-08-02 18:44       ` Junio C Hamano
2016-07-31  9:21     ` [RFC/PATCH v11 12/13] bisect--helper: `get_terms` & `bisect_terms` " Pranit Bauva
2016-08-02 19:22       ` Junio C Hamano
2016-08-03 20:33         ` Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 05/13] t6030: explicitly test for bisection cleanup Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 11/13] bisect--helper: `bisect_next_check` shell function in C Pranit Bauva
2016-08-02 19:17       ` Junio C Hamano
2016-08-03 20:33         ` Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 13/13] bisect--helper: `bisect_start` shell function partially " Pranit Bauva
2016-08-02 20:19       ` Junio C Hamano
2016-08-03 20:49         ` Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 04/13] bisect--helper: `bisect_clean_state` shell function " Pranit Bauva
2016-08-02 17:46       ` Junio C Hamano
2016-08-03 20:27         ` Pranit Bauva
2016-08-04 15:45           ` Junio C Hamano
2016-08-04 16:07             ` Pranit Bauva
2016-08-04 16:50               ` Junio C Hamano
2016-08-04 16:57                 ` Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 10/13] bisect--helper: `check_and_set_terms` " Pranit Bauva
2016-08-02 18:53       ` Junio C Hamano
2016-08-03 20:29         ` Pranit Bauva
2016-07-31  9:21     ` [RFC/PATCH v11 02/13] bisect: rewrite `check_term_format` " Pranit Bauva
2016-08-02 17:31       ` Junio C Hamano
2016-08-03 20:20         ` Pranit Bauva
2016-08-02 17:25     ` [RFC/PATCH v11 01/13] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Junio C Hamano
2016-08-10 21:57     ` [PATCH v12 " Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 02/13] bisect: rewrite `check_term_format` shell function in C Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 06/13] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 10/13] bisect--helper: `check_and_set_terms` shell function in C Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 11/13] bisect--helper: `bisect_next_check` & bisect_voc " Pranit Bauva
2016-08-12 18:11         ` Junio C Hamano
2016-08-12 18:49           ` Junio C Hamano
2016-08-13  6:32             ` Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 04/13] bisect--helper: `bisect_clean_state` " Pranit Bauva
2016-08-12 19:24         ` Junio C Hamano
2016-08-10 21:57       ` [PATCH v12 13/13] bisect--helper: `bisect_start` shell function partially " Pranit Bauva
2016-08-12 19:25         ` Junio C Hamano
2016-08-13  6:33           ` Pranit Bauva
2016-08-13  7:34         ` Christian Couder
2016-08-13 13:50           ` Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 05/13] t6030: explicitly test for bisection cleanup Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 03/13] bisect--helper: `write_terms` shell function in C Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 08/13] bisect--helper: `is_expected_rev` & `check_expected_revs` " Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 12/13] bisect--helper: `get_terms` & `bisect_terms` " Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 09/13] bisect--helper: `bisect_write` " Pranit Bauva
2016-08-10 21:57       ` [PATCH v12 07/13] bisect--helper: `bisect_reset` " Pranit Bauva
2016-08-10 22:19       ` [PATCH v12 01/13] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Pranit Bauva
2016-08-19 20:32       ` [PATCH v13 " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 06/13] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 11/13] bisect--helper: `bisect_next_check` & bisect_voc shell function in C Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 03/13] bisect--helper: `write_terms` " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 05/13] t6030: explicitly test for bisection cleanup Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 02/13] bisect: rewrite `check_term_format` shell function in C Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 13/13] bisect--helper: `bisect_start` shell function partially " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 09/13] bisect--helper: `bisect_write` shell function " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 10/13] bisect--helper: `check_and_set_terms` " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 12/13] bisect--helper: `get_terms` & `bisect_terms` " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 07/13] bisect--helper: `bisect_reset` " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 08/13] bisect--helper: `is_expected_rev` & `check_expected_revs` " Pranit Bauva
2016-08-19 20:32         ` [PATCH v13 04/13] bisect--helper: `bisect_clean_state` " Pranit Bauva
2016-08-21 11:18           ` Pranit Bauva
2016-08-21 11:14         ` [PATCH v13 01/13] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Pranit Bauva
2016-08-23 11:53         ` [PATCH v14 01/27] " Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 08/27] bisect--helper: `is_expected_rev` & `check_expected_revs` shell function in C Pranit Bauva
2016-08-24 22:13             ` Junio C Hamano
2016-08-27  9:14               ` Pranit Bauva
2016-08-29 17:17                 ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 20/27] bisect--helper: retire `--write-terms` subcommand Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 23/27] bisect--helper: retire `--bisect-write` subcommand Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 21/27] bisect--helper: `bisect_log` shell function in C Pranit Bauva
2016-08-26 23:07             ` Junio C Hamano
2016-08-27 20:16               ` Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 24/27] bisect--helper: retire `--check-and-set-terms` subcommand Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 16/27] bisect--helper: retire `--next-all` subcommand Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 13/27] bisect--helper: `bisect_start` shell function partially in C Pranit Bauva
2016-08-25 19:02             ` Junio C Hamano
2016-08-25 19:43               ` Junio C Hamano
2016-08-27 19:47               ` Pranit Bauva
2016-08-27 20:53                 ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 22/27] bisect--helper: `bisect_replay` shell function " Pranit Bauva
2016-08-26 23:24             ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 03/27] bisect--helper: `write_terms` " Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 14/27] bisect--helper: `bisect_next` and `bisect_auto_next` " Pranit Bauva
2016-08-25 20:30             ` Junio C Hamano
2016-08-30 18:25               ` Pranit Bauva [this message]
2016-08-30 18:44                 ` Pranit Bauva
2016-08-30 19:33                 ` Junio C Hamano
2016-08-30 20:17                   ` Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 26/27] bisect--helper: retire `--bisect-auto-next` subcommand Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 18/27] bisect--helper: `bisect_state` & `bisect_head` shell function in C Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 17/27] bisect--helper: `bisect_autostart` " Pranit Bauva
2016-08-26 21:09             ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 25/27] bisect--helper: retire `--bisect-autostart` subcommand Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 09/27] bisect--helper: `bisect_write` shell function in C Pranit Bauva
2016-08-24 22:30             ` Junio C Hamano
2016-08-27  9:33               ` Pranit Bauva
2016-08-27 21:22                 ` Junio C Hamano
2016-08-30  6:42                   ` Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 19/27] bisect--helper: retire `--check-expected-revs` subcommand Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 27/27] bisect--helper: remove the dequote in bisect_start() Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 12/27] bisect--helper: `get_terms` & `bisect_terms` shell function in C Pranit Bauva
2016-08-25 18:05             ` Junio C Hamano
2016-08-27  9:48               ` Pranit Bauva
2016-08-29 17:15                 ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 05/27] t6030: explicitly test for bisection cleanup Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 02/27] bisect: rewrite `check_term_format` shell function in C Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 15/27] bisect--helper: retire `--bisect-clean-state` subcommand Pranit Bauva
2016-08-26 20:56             ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 10/27] bisect--helper: `check_and_set_terms` shell function in C Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 11/27] bisect--helper: `bisect_next_check` & bisect_voc " Pranit Bauva
2016-08-24 22:40             ` Junio C Hamano
2016-08-27  9:35               ` Pranit Bauva
2016-08-23 11:53           ` [PATCH v14 07/27] bisect--helper: `bisect_reset` " Pranit Bauva
2016-08-24 21:12             ` Junio C Hamano
2016-08-26 13:46               ` Pranit Bauva
2016-08-26 16:29                 ` Junio C Hamano
2016-08-27 10:52                   ` Pranit Bauva
2016-08-29 17:06                     ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 04/27] bisect--helper: `bisect_clean_state` " Pranit Bauva
2016-08-24 20:58             ` Junio C Hamano
2016-08-23 11:53           ` [PATCH v14 06/27] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2016-08-23 20:28           ` [PATCH v14 01/27] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Junio C Hamano
2016-08-23 21:07             ` Pranit Bauva
2016-08-23 21:24           ` Pranit Bauva
2016-10-14 14:14           ` [PATCH v15 " Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 03/27] bisect--helper: `write_terms` shell function in C Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 05/27] t6030: explicitly test for bisection cleanup Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 02/27] bisect: rewrite `check_term_format` shell function in C Pranit Bauva
2016-11-14 22:20               ` Stephan Beyer
2016-11-15  5:16                 ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 24/27] bisect--helper: retire `--bisect-write` subcommand Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 17/27] bisect--helper: retire `--next-all` subcommand Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 21/27] bisect--helper: retire `--write-terms` subcommand Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 08/27] bisect--helper: `is_expected_rev` & `check_expected_revs` shell function in C Pranit Bauva
2016-11-16 23:47               ` Stephan Beyer
2016-12-06 19:33                 ` Pranit Bauva
2016-12-16 19:00                   ` Pranit Bauva
2016-12-17 19:42                     ` Stephan Beyer
2016-12-16 19:35                 ` Pranit Bauva
2016-12-17 19:55                   ` Stephan Beyer
2016-10-14 14:14             ` [PATCH v15 07/27] bisect--helper: `bisect_reset` " Pranit Bauva
2016-11-16 23:23               ` Stephan Beyer
2016-11-17  3:56                 ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 12/27] bisect--helper: `get_terms` & `bisect_terms` " Pranit Bauva
2016-11-17 21:32               ` Stephan Beyer
2016-12-06 21:14                 ` Pranit Bauva
2016-12-06 23:05                   ` Stephan Beyer
2016-12-07 12:06                     ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 16/27] bisect--helper: retire `--bisect-clean-state` subcommand Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 13/27] bisect--helper: `bisect_start` shell function partially in C Pranit Bauva
2016-11-15 23:19               ` Stephan Beyer
2016-11-16 17:09                 ` Pranit Bauva
2016-11-20 20:01               ` Stephan Beyer
2016-11-20 20:19                 ` Stephan Beyer
2016-10-14 14:14             ` [PATCH v15 23/27] bisect--helper: `bisect_replay` shell function " Pranit Bauva
2016-11-22  0:49               ` Stephan Beyer
2016-12-06 23:02                 ` Pranit Bauva
2016-12-06 23:20                   ` Stephan Beyer
2016-12-06 23:40                   ` Stephan Beyer
2016-12-07 13:15                     ` Christian Couder
2016-10-14 14:14             ` [PATCH v15 19/27] bisect--helper: `bisect_state` & `bisect_head` " Pranit Bauva
2016-11-22  0:12               ` Stephan Beyer
2016-12-06 22:40                 ` Pranit Bauva
2016-12-06 23:54                   ` Stephan Beyer
2016-12-08  6:43                     ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 11/27] bisect--helper: `bisect_next_check` & bisect_voc " Pranit Bauva
2016-11-17 20:59               ` Stephan Beyer
2016-12-06 18:39                 ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 26/27] bisect--helper: retire `--bisect-auto-next` subcommand Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 27/27] bisect--helper: remove the dequote in bisect_start() Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 14/27] t6030: no cleanup with bad merge base Pranit Bauva
2016-10-14 21:43               ` Junio C Hamano
2016-10-15  8:46                 ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 04/27] bisect--helper: `bisect_clean_state` shell function in C Pranit Bauva
2016-11-15 21:09               ` Stephan Beyer
2016-11-15 21:40                 ` Junio C Hamano
2016-11-15 21:53                   ` Stephan Beyer
2016-11-16 16:49                   ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 09/27] bisect--helper: `bisect_write` " Pranit Bauva
2016-11-17  9:40               ` Stephan Beyer
2016-12-06 21:32                 ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 22/27] bisect--helper: `bisect_log` " Pranit Bauva
2016-11-17 21:47               ` Stephan Beyer
2016-12-06 22:42                 ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 10/27] bisect--helper: `check_and_set_terms` " Pranit Bauva
2016-11-17 20:25               ` Stephan Beyer
2016-12-06 22:43                 ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 06/27] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 25/27] bisect--helper: retire `--bisect-autostart` subcommand Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 15/27] bisect--helper: `bisect_next` and `bisect_auto_next` shell function in C Pranit Bauva
2016-11-20 20:01               ` Stephan Beyer
2016-12-31 10:23                 ` Pranit Bauva
2016-11-21 21:35               ` Stephan Beyer
2016-12-31 10:43                 ` Pranit Bauva
2017-01-01 16:27                   ` Stephan Beyer
2017-01-01 17:41                     ` Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 20/27] bisect--helper: retire `--check-expected-revs` subcommand Pranit Bauva
2016-10-14 14:14             ` [PATCH v15 18/27] bisect--helper: `bisect_autostart` shell function in C Pranit Bauva
2016-11-20 20:15               ` Stephan Beyer
2016-12-06 19:47                 ` Pranit Bauva
2016-10-14 15:12             ` [PATCH v15 01/27] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Pranit Bauva
2017-09-29  6:49               ` [PATCH v16 1/6] " Pranit Bauva
2017-09-29  6:49                 ` [PATCH v16 3/6] bisect--helper: `write_terms` shell function in C Pranit Bauva
2017-09-29  6:49                 ` [PATCH v16 5/6] t6030: explicitly test for bisection cleanup Pranit Bauva
2017-09-29  6:49                 ` [PATCH v16 2/6] bisect--helper: rewrite `check_term_format` shell function in C Pranit Bauva
2017-09-29  6:49                 ` [PATCH v16 4/6] bisect--helper: `bisect_clean_state` " Pranit Bauva
2017-09-29  6:49                 ` [PATCH v16 6/6] bisect--helper: `is_expected_rev` & `check_expected_revs` " Pranit Bauva
2017-11-19 20:34                   ` Christian Couder
2017-11-20  3:05                     ` Junio C Hamano
2017-11-20  7:03                       ` Christian Couder
2017-09-29 18:54                 ` [PATCH v16 1/6] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Stephan Beyer
2017-09-29 21:10                   ` Pranit Bauva
2017-09-30 12:59                 ` Ramsay Jones
2017-10-02 13:44                   ` Pranit Bauva
2017-10-03  0:48                     ` Ramsay Jones
2017-10-03  3:51                       ` Junio C Hamano
2017-10-03  4:35                         ` Pranit Bauva
2017-10-04  2:22                         ` Ramsay Jones
2017-10-04  4:07                           ` Junio C Hamano
2017-10-27 15:06                 ` [PATCH v16 Part II 1/8] bisect--helper: `bisect_reset` shell function in C Pranit Bauva
2017-10-27 15:06                   ` [PATCH v16 Part II 2/8] bisect--helper: `bisect_write` " Pranit Bauva
2017-10-27 17:28                     ` Martin Ågren
2017-10-30 17:35                       ` Pranit Bauva
2018-11-23 10:13                         ` Johannes Schindelin
2018-11-23 12:22                           ` Martin Ågren
2018-11-26 18:18                             ` Johannes Schindelin
2017-10-27 18:19                     ` Junio C Hamano
2017-10-30 17:38                       ` Pranit Bauva
2017-10-30 13:38                     ` Stephan Beyer
2017-10-30 16:24                       ` Stephan Beyer
2017-11-08  0:26                     ` Ramsay Jones
2017-10-27 15:06                   ` [PATCH v16 Part II 3/8] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva
2017-10-27 15:06                   ` [PATCH v16 Part II 8/8] t6030: make various test to pass GETTEXT_POISON tests Pranit Bauva
2017-10-27 15:06                   ` [PATCH v16 Part II 4/8] bisect--helper: `check_and_set_terms` shell function in C Pranit Bauva
2017-11-08  0:37                     ` Ramsay Jones
2017-10-27 15:06                   ` [PATCH v16 Part II 7/8] bisect--helper: `bisect_start` shell function partially " Pranit Bauva
2017-10-30 16:51                     ` Stephan Beyer
2017-10-30 17:28                       ` Pranit Bauva
2018-02-16  1:22                     ` SZEDER Gábor
2017-10-27 15:06                   ` [PATCH v16 Part II 6/8] bisect--helper: `get_terms` & `bisect_terms` shell function " Pranit Bauva
2017-10-27 20:04                     ` Martin Ågren
2017-10-30 17:45                       ` Pranit Bauva
2017-10-30 16:34                     ` Stephan Beyer
2017-10-30 17:31                       ` Pranit Bauva
2017-11-08  0:59                     ` Ramsay Jones
2017-10-27 15:06                   ` [PATCH v16 Part II 5/8] bisect--helper: `bisect_next_check` " Pranit Bauva
2017-10-27 17:35                     ` Martin Ågren
2017-10-30 17:40                       ` Pranit Bauva
2017-11-08  0:48                     ` Ramsay Jones
2017-11-12 19:19                     ` Stephan Beyer
2017-11-12 19:27                     ` Stephan Beyer
2017-11-12 20:03                     ` Stephan Beyer
2017-11-13  3:56                       ` Junio C Hamano
2017-10-27 15:32                   ` [PATCH v16 Part II 1/8] bisect--helper: `bisect_reset` " Pranit Bauva
2017-10-27 17:40                   ` Junio C Hamano
2017-10-30 17:26                     ` Pranit Bauva
2017-10-30 13:22                   ` Stephan Beyer
2017-10-30 17:27                     ` Pranit Bauva
2017-11-08  0:07                   ` Ramsay Jones
2019-01-02 15:38                   ` [PATCH v17 0/7] git bisect: convert from shell to C Tanushree Tumane via GitGitGadget
2019-01-02 15:38                     ` [PATCH v17 1/7] bisect--helper: `bisect_reset` shell function in C Pranit Bauva via GitGitGadget
2019-01-02 15:38                     ` [PATCH v17 3/7] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Pranit Bauva via GitGitGadget
2019-01-02 15:38                     ` [PATCH v17 2/7] bisect--helper: `bisect_write` shell function in C Pranit Bauva via GitGitGadget
2019-01-02 15:38                     ` [PATCH v17 4/7] bisect--helper: `check_and_set_terms` " Pranit Bauva via GitGitGadget
2019-01-02 15:38                     ` [PATCH v17 5/7] bisect--helper: `bisect_next_check` " Pranit Bauva via GitGitGadget
2019-01-02 15:38                     ` [PATCH v17 6/7] bisect--helper: `get_terms` & `bisect_terms` " Pranit Bauva via GitGitGadget
2019-01-02 15:38                     ` [PATCH v17 7/7] bisect--helper: `bisect_start` shell function partially " Pranit Bauva via GitGitGadget
2019-01-03  1:19                     ` [PATCH v17 0/7] git bisect: convert from shell to C Ramsay Jones
2019-01-07  9:15                       ` TANUSHREE TUMANE
2016-10-27 16:59             ` [PATCH v15 01/27] bisect--helper: use OPT_CMDMODE instead of OPT_BOOL Junio C Hamano
2016-10-27 20:14               ` Christian Couder
2016-10-28  6:02               ` Matthieu Moy
2016-11-15 21:40               ` Stephan Beyer
2016-11-16  0:18                 ` Junio C Hamano

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