Re: [PATCH v3] format-patch: allow a non-integral version numbers

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Denton Liu <liu.denton@xxxxxxxxx> 于2021年3月4日周四 下午8:49写道:
>
> Hi ZheNing,
>
> On Thu, Mar 04, 2021 at 12:12:06PM +0000, ZheNing Hu via GitGitGadget wrote:
> > From: ZheNing Hu <adlternative@xxxxxxxxx>
> >
> > Usually we can only use `format-patch -v<n>` to generate integral
> > version numbers patches, but sometimes a same fixup should be
> > labeled as a non-integral versions like `v1.1`, so teach `format-patch`
>
> s/versions/version/
>
> > to allow a non-integral versions may be helpful to send those patches.
>
> s/may be/which &/
>
> >
> > Since the original `format-patch` logic, if we specify a version `-v<n>`
> > and commbine with `--interdiff` or `--rangediff`, the patch will output
> > "Interdiff again v<n-1>:" or "Range-diff again v<n-1>:`, but this does
> > not meet the requirements of our fractional version numbers, so if the
> > user use a integral version number `-v<n>`, ensure that the output in
> > the patch is still `v<n-1>`; otherwise, only output "Interdiff" or
> > "Range-diff".
> >
> > Signed-off-by: ZheNing Hu <adlternative@xxxxxxxxx>
> > ---
> >     [GSOC] format-patch: allow a non-integral version numbers
> >
> >     There is a small question: in the case of --reroll-count=<n>, "n" is an
> >     integer, we output "n-1" in the patch instead of "m" specified by
> >     --previous-count=<m>,Should we switch the priority of these two: let "m"
> >     output?
> >
> >     this want to fix #882 Thanks.
> >
> > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-885%2Fadlternative%2Fformat_patch_non_intergral-v3
> > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-885/adlternative/format_patch_non_intergral-v3
> > Pull-Request: https://github.com/gitgitgadget/git/pull/885
> >
> > Range-diff vs v2:
> >
> >  1:  800094cbf53b ! 1:  d4f38b78c464 format-patch: allow a non-integral version numbers
> >      @@ Commit message
> >
> >           Usually we can only use `format-patch -v<n>` to generate integral
> >           version numbers patches, but sometimes a same fixup should be
> >      -    laveled as a non-integral versions like `v1.1`,so teach format-patch
> >      -    allow a non-integral versions may be helpful to send those patches.
> >      +    labeled as a non-integral versions like `v1.1`, so teach `format-patch`
> >      +    to allow a non-integral versions may be helpful to send those patches.
> >
> >           Since the original `format-patch` logic, if we specify a version `-v<n>`
> >           and commbine with `--interdiff` or `--rangediff`, the patch will output
> >           "Interdiff again v<n-1>:" or "Range-diff again v<n-1>:`, but this does
> >      -    not meet the requirements of our fractional version numbers, so provide
> >      -    `format patch` a new option `--previous-count=<n>`, the patch can output
> >      -    user-specified previous version number. If the user use a integral version
> >      -    number `-v<n>`, ensure that the output in the patch is still `v<n-1>`.
> >      -    (let `--previous-count` become invalid.)
> >      +    not meet the requirements of our fractional version numbers, so if the
> >      +    user use a integral version number `-v<n>`, ensure that the output in
> >      +    the patch is still `v<n-1>`; otherwise, only output "Interdiff" or
> >      +    "Range-diff".
> >
> >           Signed-off-by: ZheNing Hu <adlternative@xxxxxxxxx>
> >
> >        ## Documentation/git-format-patch.txt ##
> >      -@@ Documentation/git-format-patch.txt: SYNOPSIS
> >      -                   [--cover-from-description=<mode>]
> >      -                   [--rfc] [--subject-prefix=<subject prefix>]
> >      -                   [(--reroll-count|-v) <n>]
> >      -+                  [--previous-count=<n>]
> >      -                   [--to=<email>] [--cc=<email>]
> >      -                   [--[no-]cover-letter] [--quiet]
> >      -                   [--[no-]encode-email-headers]
> >       @@ Documentation/git-format-patch.txt: populated with placeholder text.
> >               `--subject-prefix` option) has ` v<n>` appended to it.  E.g.
> >               `--reroll-count=4` may produce `v4-0001-add-makefile.patch`
> >               file that has "Subject: [PATCH v4 1/20] Add makefile" in it.
> >       +       now can support non-integrated version number like `-v1.1`.
> >      -+
> >      -+--previous-count=<n>::
> >      -+       Under the premise that we have used `--reroll-count=<n>`,
> >      -+       we can use `--previous-count=<n>` to specify the previous
> >      -+       version number. E.g. When we use the `--range-diff` or
> >      -+       `--interdiff` option and combine with `-v2.3 --previous-count=2.2`,
> >      -+       "Interdiff against v2.2:" or "Range-diff against v2.2:"
> >      -+       will be output in the patch.
> >
> >        --to=<email>::
> >               Add a `To:` header to the email headers. This is in addition
> >      @@ builtin/log.c: static void print_bases(struct base_tree_info *bases, FILE *file)
> >
> >       -static const char *diff_title(struct strbuf *sb, int reroll_count,
> >       -                      const char *generic, const char *rerolled)
> >      -+static const char *diff_title(struct strbuf *sb, const char *reroll_count, int reroll_count_is_integer,
> >      -+                       const char*previous_count, const char *generic, const char *rerolled)
> >      ++static const char *diff_title(struct strbuf *sb,
> >      ++                       const char *reroll_count_string,
> >      ++                       const char*previous_count_string,
> >      ++                       const char *generic, const char *rerolled)
> >        {
> >       -       if (reroll_count <= 0)
> >      -+       if (!reroll_count || (!reroll_count_is_integer && !previous_count))
> >      ++       if (!reroll_count_string || !previous_count_string)
> >                       strbuf_addstr(sb, generic);
> >       -       else /* RFC may be v0, so allow -v1 to diff against v0 */
> >       -               strbuf_addf(sb, rerolled, reroll_count - 1);
> >      -+       else if (reroll_count_is_integer)/* RFC may be v0, so allow -v1 to diff against v0 */
> >      -+               strbuf_addf(sb, rerolled, atoi(reroll_count) - 1);
> >      -+       else if (previous_count)
> >      -+               strbuf_addf(sb, rerolled, previous_count);
> >      ++       else if (previous_count_string)
> >      ++               strbuf_addf(sb, rerolled, previous_count_string);
> >               return sb->buf;
> >        }
> >
> >       @@ builtin/log.c: int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >      -        struct strbuf buf = STRBUF_INIT;
> >               int use_patch_format = 0;
> >               int quiet = 0;
> >      --       int reroll_count = -1;
> >      -+       int reroll_count_is_integer = 0;
> >      -+       const char *reroll_count = NULL;
> >      -+       const char *previous_count = NULL;
> >      +        int reroll_count = -1;
> >      ++       const char *reroll_count_string = NULL;
> >      ++       const char *previous_count_string = NULL;
> >               char *cover_from_description_arg = NULL;
> >               char *branch_name = NULL;
> >               char *base_commit = NULL;
> >      @@ builtin/log.c: int cmd_format_patch(int argc, const char **argv, const char *pre
> >                                   N_("start numbering patches at <n> instead of 1")),
> >       -               OPT_INTEGER('v', "reroll-count", &reroll_count,
> >       -                           N_("mark the series as Nth re-roll")),
> >      -+               OPT_STRING('v', "reroll-count", &reroll_count, N_("reroll-count"),
> >      ++               OPT_STRING('v', "reroll-count", &reroll_count_string, N_("reroll-count"),
> >       +                           N_("mark the series as specified version re-roll")),
> >      -+               OPT_STRING(0, "previous-count", &previous_count, N_("previous-count"),
> >      -+                           N_("specified as the last version while we use --reroll-count")),
> >                       OPT_INTEGER(0, "filename-max-length", &fmt_patch_name_max,
> >                                   N_("max length of output filename")),
> >                       OPT_CALLBACK_F(0, "rfc", &rev, NULL,
> >       @@ builtin/log.c: int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >      -
> >               if (cover_from_description_arg)
> >                       cover_from_description_mode = parse_cover_from_description(cover_from_description_arg);
> >      --
> >      +
> >       -       if (0 < reroll_count) {
> >      -+       if (previous_count && !reroll_count)
> >      -+               usage(_("previous-count can only used when reroll-count is used"));
> >      -+       if (reroll_count) {
> >      ++       if (reroll_count_string) {
> >                       struct strbuf sprefix = STRBUF_INIT;
> >       -               strbuf_addf(&sprefix, "%s v%d",
> >      -+               char ch;
> >      -+               size_t i = 0 , reroll_count_len = strlen(reroll_count);
> >      +-                           rev.subject_prefix, reroll_count);
> >      +-               rev.reroll_count = reroll_count;
> >      ++               char *endp;
> >       +
> >      -+               for (; i != reroll_count_len; i++) {
> >      -+                       ch = reroll_count[i];
> >      -+                       if(!isdigit(ch))
> >      -+                               break;
> >      ++               reroll_count = strtoul(reroll_count_string, &endp, 10);
> >      ++               if (!*endp && 0 < reroll_count) {
> >      ++                       previous_count_string = xstrfmt("%d", reroll_count - 1);
> >       +               }
> >      -+               reroll_count_is_integer = i == reroll_count_len ? 1 : 0;
> >       +               strbuf_addf(&sprefix, "%s v%s",
> >      -                            rev.subject_prefix, reroll_count);
> >      -                rev.reroll_count = reroll_count;
> >      ++                           rev.subject_prefix, reroll_count_string);
> >      ++               rev.reroll_count = reroll_count_string;
> >                       rev.subject_prefix = strbuf_detach(&sprefix, NULL);
> >      +        }
> >      +
> >       @@ builtin/log.c: int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >      +                        die(_("--interdiff requires --cover-letter or single patch"));
> >                       rev.idiff_oid1 = &idiff_prev.oid[idiff_prev.nr - 1];
> >                       rev.idiff_oid2 = get_commit_tree_oid(list[0]);
> >      -                rev.idiff_title = diff_title(&idiff_title, reroll_count,
> >      +-               rev.idiff_title = diff_title(&idiff_title, reroll_count,
> >       -                                            _("Interdiff:"),
> >       -                                            _("Interdiff against v%d:"));
> >      -+                       reroll_count_is_integer, previous_count, _("Interdiff:"),
> >      -+                               reroll_count_is_integer ? _("Interdiff against v%d:") :
> >      ++               rev.idiff_title = diff_title(&idiff_title, reroll_count_string,
> >      ++                                       previous_count_string,
> >      ++                                       _("Interdiff:"),
> >       +                                       _("Interdiff against v%s:"));
> >               }
> >
> >               if (creation_factor < 0)
> >       @@ builtin/log.c: int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >      +                rev.rdiff1 = rdiff1.buf;
> >                       rev.rdiff2 = rdiff2.buf;
> >                       rev.creation_factor = creation_factor;
> >      -                rev.rdiff_title = diff_title(&rdiff_title, reroll_count,
> >      +-               rev.rdiff_title = diff_title(&rdiff_title, reroll_count,
> >       -                                            _("Range-diff:"),
> >       -                                            _("Range-diff against v%d:"));
> >      -+                       reroll_count_is_integer, previous_count, _("Range-diff:"),
> >      -+                               reroll_count_is_integer ? _("Range-diff against v%d:") :
> >      ++               rev.rdiff_title = diff_title(&rdiff_title, reroll_count_string,
> >      ++                                       previous_count_string,
> >      ++                                       _("Range-diff:"),
> >       +                                       _("Range-diff against v%s:"));
> >               }
> >
> >      @@ t/t3206-range-diff.sh: test_expect_success 'format-patch --range-diff as comment
> >               grep "> 1: .* new message" 0001-*
> >        '
> >
> >      -+test_expect_success 'format-patch --range-diff reroll-count with a non-integer and previous-count ' '
> >      -+       git format-patch --range-diff=HEAD~1 -v2.9 --previous-count=2.8 HEAD~1 >actual &&
> >      ++test_expect_success 'format-patch --range-diff reroll-count with a non-integer' '
> >      ++       git format-patch --range-diff=HEAD~1 -v2.9 HEAD~1 >actual &&
> >       +       test_when_finished "rm v2.9-0001-*" &&
> >       +       test_line_count = 1 actual &&
> >      -+       test_i18ngrep "^Range-diff ..* v2.8:$" v2.9-0001-* &&
> >      ++       test_i18ngrep "^Range-diff:$" v2.9-0001-* &&
> >       +       grep "> 1: .* new message" v2.9-0001-*
> >       +'
> >       +
> >      -+test_expect_success 'format-patch --range-diff reroll-count with a integer previous-count' '
> >      -+       git format-patch --range-diff=HEAD~1 -v2 --previous-count=1.8 HEAD~1 >actual &&
> >      ++test_expect_success 'format-patch --range-diff reroll-count with a integer' '
> >      ++       git format-patch --range-diff=HEAD~1 -v2 HEAD~1 >actual &&
> >       +       test_when_finished "rm v2-0001-*" &&
> >       +       test_line_count = 1 actual &&
> >       +       test_i18ngrep "^Range-diff ..* v1:$" v2-0001-* &&
> >      @@ t/t4014-format-patch.sh: test_expect_success 'interdiff: reroll-count' '
> >       +       test_i18ngrep "^Interdiff:$" v2.2-0000-cover-letter.patch
> >       +'
> >       +
> >      -+test_expect_success 'interdiff: reroll-count with a non-integer and previous-count ' '
> >      -+       git format-patch --cover-letter --interdiff=boop~2 -v2.2 --previous-count=2.1 -1 boop &&
> >      -+       test_i18ngrep "^Interdiff ..* v2.1:$" v2.2-0000-cover-letter.patch
> >      -+'
> >      -+
> >      -+test_expect_success 'interdiff: reroll-count with a integer and previous-count ' '
> >      -+       git format-patch --cover-letter --interdiff=boop~2 -v2 --previous-count=1.5 -1 boop &&
> >      ++test_expect_success 'interdiff: reroll-count with a integer' '
> >      ++       git format-patch --cover-letter --interdiff=boop~2 -v2 -1 boop &&
> >       +       test_i18ngrep "^Interdiff ..* v1:$" v2-0000-cover-letter.patch
> >       +'
> >      -+test_expect_success 'interdiff: previous-count without reroll-count ' '
> >      -+       test_must_fail git format-patch --cover-letter --interdiff=boop~2 --previous-count=1.5 -1 boop
> >      -+'
> >      ++
> >        test_expect_success 'interdiff: solo-patch' '
> >               cat >expect <<-\EOF &&
> >                 +fleep
> >
> >
> >  Documentation/git-format-patch.txt |  1 +
> >  builtin/log.c                      | 46 +++++++++++++++++++-----------
> >  log-tree.c                         |  4 +--
> >  revision.h                         |  2 +-
> >  t/t3206-range-diff.sh              | 16 +++++++++++
> >  t/t4014-format-patch.sh            | 26 +++++++++++++++++
> >  6 files changed, 75 insertions(+), 20 deletions(-)
> >
> > diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
> > index 3e49bf221087..8af0d2923118 100644
> > --- a/Documentation/git-format-patch.txt
> > +++ b/Documentation/git-format-patch.txt
> > @@ -221,6 +221,7 @@ populated with placeholder text.
> >       `--subject-prefix` option) has ` v<n>` appended to it.  E.g.
> >       `--reroll-count=4` may produce `v4-0001-add-makefile.patch`
> >       file that has "Subject: [PATCH v4 1/20] Add makefile" in it.
> > +     now can support non-integrated version number like `-v1.1`.
>
> Perhaps something like:
>
>         +
>         `<n>` can be any string, such as `-v1.1`.  In the case where it
>         is a non-integral value, the "Range-diff" and "Interdiff"
>         headers will not include the previous version.
>
> >  --to=<email>::
> >       Add a `To:` header to the email headers. This is in addition
> > diff --git a/builtin/log.c b/builtin/log.c
> > index f67b67d80ed1..d135c30620b6 100644
> > --- a/builtin/log.c
> > +++ b/builtin/log.c
> > @@ -1662,13 +1662,15 @@ static void print_bases(struct base_tree_info *bases, FILE *file)
> >       oidclr(&bases->base_commit);
> >  }
> >
> > -static const char *diff_title(struct strbuf *sb, int reroll_count,
> > -                    const char *generic, const char *rerolled)
> > +static const char *diff_title(struct strbuf *sb,
> > +                     const char *reroll_count_string,
> > +                     const char*previous_count_string,
> > +                     const char *generic, const char *rerolled)
> >  {
> > -     if (reroll_count <= 0)
> > +     if (!reroll_count_string || !previous_count_string)
> >               strbuf_addstr(sb, generic);
> > -     else /* RFC may be v0, so allow -v1 to diff against v0 */
> > -             strbuf_addf(sb, rerolled, reroll_count - 1);
> > +     else if (previous_count_string)
> > +             strbuf_addf(sb, rerolled, previous_count_string);
> >       return sb->buf;
> >  }
>
> I don't think it's necessary to do this at all. We can just leave
> `reroll_count < 0` here.
Truly.
>
> > @@ -1718,6 +1720,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >       int use_patch_format = 0;
> >       int quiet = 0;
> >       int reroll_count = -1;
> > +     const char *reroll_count_string = NULL;
> > +     const char *previous_count_string = NULL;
> >       char *cover_from_description_arg = NULL;
> >       char *branch_name = NULL;
> >       char *base_commit = NULL;
> > @@ -1751,8 +1755,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >                           N_("use <sfx> instead of '.patch'")),
> >               OPT_INTEGER(0, "start-number", &start_number,
> >                           N_("start numbering patches at <n> instead of 1")),
> > -             OPT_INTEGER('v', "reroll-count", &reroll_count,
> > -                         N_("mark the series as Nth re-roll")),
> > +             OPT_STRING('v', "reroll-count", &reroll_count_string, N_("reroll-count"),
> > +                         N_("mark the series as specified version re-roll")),
>
> Others may disagree but I'm okay with leaving this as "Nth re-roll".
> It's just a synopsis. More information can be found in the docs.
Does Nth feel that reroll_count must be an integer? If you think it is
possible, I can restore it to the original state.
>
> >               OPT_INTEGER(0, "filename-max-length", &fmt_patch_name_max,
> >                           N_("max length of output filename")),
> >               OPT_CALLBACK_F(0, "rfc", &rev, NULL,
> > @@ -1862,11 +1866,17 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >       if (cover_from_description_arg)
> >               cover_from_description_mode = parse_cover_from_description(cover_from_description_arg);
> >
> > -     if (0 < reroll_count) {
> > +     if (reroll_count_string) {
> >               struct strbuf sprefix = STRBUF_INIT;
> > -             strbuf_addf(&sprefix, "%s v%d",
> > -                         rev.subject_prefix, reroll_count);
> > -             rev.reroll_count = reroll_count;
> > +             char *endp;
> > +
> > +             reroll_count = strtoul(reroll_count_string, &endp, 10);
> > +             if (!*endp && 0 < reroll_count) {
>
> This 0 < reroll_count check is unnecessary; it was initialised to -1 and
> it hasn't changed since here.
>
> Also, we can take advantage of the strtol_i() function, which can
> perform bounds checking and error checking for us. This allows us to
> assign reroll_count only when a valid integer is found so we can
> eliminate previous_count_string().
>
> Something like:
>
>         strtol_i(reroll_count_string, 10, &reroll_count);
>
My code does make the program a lot more complicated,
and your advice is good.
> > +                     previous_count_string = xstrfmt("%d", reroll_count - 1);
> > +             }
> > +             strbuf_addf(&sprefix, "%s v%s",
> > +                         rev.subject_prefix, reroll_count_string);
> > +             rev.reroll_count = reroll_count_string;
> >               rev.subject_prefix = strbuf_detach(&sprefix, NULL);
> >       }
> >
> > @@ -2078,9 +2088,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >                       die(_("--interdiff requires --cover-letter or single patch"));
> >               rev.idiff_oid1 = &idiff_prev.oid[idiff_prev.nr - 1];
> >               rev.idiff_oid2 = get_commit_tree_oid(list[0]);
> > -             rev.idiff_title = diff_title(&idiff_title, reroll_count,
> > -                                          _("Interdiff:"),
> > -                                          _("Interdiff against v%d:"));
> > +             rev.idiff_title = diff_title(&idiff_title, reroll_count_string,
> > +                                     previous_count_string,
> > +                                     _("Interdiff:"),
> > +                                     _("Interdiff against v%s:"));
> >       }
> >
> >       if (creation_factor < 0)
> > @@ -2097,9 +2108,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
> >               rev.rdiff1 = rdiff1.buf;
> >               rev.rdiff2 = rdiff2.buf;
> >               rev.creation_factor = creation_factor;
> > -             rev.rdiff_title = diff_title(&rdiff_title, reroll_count,
> > -                                          _("Range-diff:"),
> > -                                          _("Range-diff against v%d:"));
> > +             rev.rdiff_title = diff_title(&rdiff_title, reroll_count_string,
> > +                                     previous_count_string,
> > +                                     _("Range-diff:"),
> > +                                     _("Range-diff against v%s:"));
> >       }
> >
> >       if (!signature) {
> > diff --git a/log-tree.c b/log-tree.c
> > index 4531cebfab38..5f2e08ebcaab 100644
> > --- a/log-tree.c
> > +++ b/log-tree.c
> > @@ -369,8 +369,8 @@ void fmt_output_subject(struct strbuf *filename,
> >       int start_len = filename->len;
> >       int max_len = start_len + info->patch_name_max - (strlen(suffix) + 1);
> >
> > -     if (0 < info->reroll_count)
> > -             strbuf_addf(filename, "v%d-", info->reroll_count);
> > +     if (info->reroll_count)
> > +             strbuf_addf(filename, "v%s-", info->reroll_count);
> >       strbuf_addf(filename, "%04d-%s", nr, subject);
> >
> >       if (max_len < filename->len)
> > diff --git a/revision.h b/revision.h
> > index e6be3c845e66..097d08354c61 100644
> > --- a/revision.h
> > +++ b/revision.h
> > @@ -235,7 +235,7 @@ struct rev_info {
> >       const char      *mime_boundary;
> >       const char      *patch_suffix;
> >       int             numbered_files;
> > -     int             reroll_count;
> > +     const char      *reroll_count;
> >       char            *message_id;
> >       struct ident_split from_ident;
> >       struct string_list *ref_message_ids;
> > diff --git a/t/t3206-range-diff.sh b/t/t3206-range-diff.sh
> > index 1b26c4c2ef91..dc419c087e07 100755
> > --- a/t/t3206-range-diff.sh
> > +++ b/t/t3206-range-diff.sh
> > @@ -521,6 +521,22 @@ test_expect_success 'format-patch --range-diff as commentary' '
> >       grep "> 1: .* new message" 0001-*
> >  '
> >
> > +test_expect_success 'format-patch --range-diff reroll-count with a non-integer' '
> > +     git format-patch --range-diff=HEAD~1 -v2.9 HEAD~1 >actual &&
> > +     test_when_finished "rm v2.9-0001-*" &&
> > +     test_line_count = 1 actual &&
> > +     test_i18ngrep "^Range-diff:$" v2.9-0001-* &&
> > +     grep "> 1: .* new message" v2.9-0001-*
> > +'
> > +
> > +test_expect_success 'format-patch --range-diff reroll-count with a integer' '
> > +     git format-patch --range-diff=HEAD~1 -v2 HEAD~1 >actual &&
> > +     test_when_finished "rm v2-0001-*" &&
> > +     test_line_count = 1 actual &&
> > +     test_i18ngrep "^Range-diff ..* v1:$" v2-0001-* &&
> > +     grep "> 1: .* new message" v2-0001-*
> > +'
> > +
> >  test_expect_success 'range-diff overrides diff.noprefix internally' '
> >       git -c diff.noprefix=true range-diff HEAD^...
> >  '
> > diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
> > index 66630c8413d5..59dff38065ab 100755
> > --- a/t/t4014-format-patch.sh
> > +++ b/t/t4014-format-patch.sh
> > @@ -378,6 +378,14 @@ test_expect_success 'reroll count' '
> >       ! grep -v "^Subject: \[PATCH v4 [0-3]/3\] " subjects
> >  '
> >
> > +test_expect_success 'reroll count with a non-integer' '
> > +     rm -fr patches &&
> > +     git format-patch -o patches --cover-letter --reroll-count 4.4 main..side >list &&
> > +     ! grep -v "^patches/v4.4-000[0-3]-" list &&
> > +     sed -n -e "/^Subject: /p" $(cat list) >subjects &&
> > +     ! grep -v "^Subject: \[PATCH v4.4 [0-3]/3\] " subjects
> > +'
> > +
> >  test_expect_success 'reroll count (-v)' '
> >       rm -fr patches &&
> >       git format-patch -o patches --cover-letter -v4 main..side >list &&
> > @@ -386,6 +394,14 @@ test_expect_success 'reroll count (-v)' '
> >       ! grep -v "^Subject: \[PATCH v4 [0-3]/3\] " subjects
> >  '
> >
> > +test_expect_success 'reroll count (-v) with a non-integer' '
> > +     rm -fr patches &&
> > +     git format-patch -o patches --cover-letter -v4.4 main..side >list &&
> > +     ! grep -v "^patches/v4.4-000[0-3]-" list &&
> > +     sed -n -e "/^Subject: /p" $(cat list) >subjects &&
> > +     ! grep -v "^Subject: \[PATCH v4.4 [0-3]/3\] " subjects
> > +'
> > +
> >  check_threading () {
> >       expect="$1" &&
> >       shift &&
> > @@ -2255,6 +2271,16 @@ test_expect_success 'interdiff: reroll-count' '
> >       test_i18ngrep "^Interdiff ..* v1:$" v2-0000-cover-letter.patch
> >  '
> >
> > +test_expect_success 'interdiff: reroll-count with a non-integer' '
> > +     git format-patch --cover-letter --interdiff=boop~2 -v2.2 -1 boop &&
> > +     test_i18ngrep "^Interdiff:$" v2.2-0000-cover-letter.patch
> > +'
> > +
> > +test_expect_success 'interdiff: reroll-count with a integer' '
> > +     git format-patch --cover-letter --interdiff=boop~2 -v2 -1 boop &&
> > +     test_i18ngrep "^Interdiff ..* v1:$" v2-0000-cover-letter.patch
> > +'
> > +
> >  test_expect_success 'interdiff: solo-patch' '
> >       cat >expect <<-\EOF &&
> >         +fleep
> >
> > base-commit: 966e671106b2fd38301e7c344c754fd118d0bb07
> > --
> > gitgitgadget




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