Re: [PATCH] [GSOC] pretty: provide human date format

[ZheNing Hu <adlternative@gmail.com>]

Philip Oakley <philipoakley@iee.email> 于2021年4月24日周六 上午5:10写道：
>
> On 23/04/2021 17:27, ZheNing Hu via GitGitGadget wrote:
> > From: ZheNing Hu <adlternative@gmail.com>
> >
> > Add the placeholders %ah and %ch to format author date and committer
> > date, like --date=human does, which provides more humanity date output.
> >
> > Signed-off-by: ZheNing Hu <adlternative@gmail.com>
> > ---
> >     [GSOC] pretty: provide human date format
> >
> >     Reasons for making this patch: --date=human has no corresponding
> >     --pretty option.
> >
> >     Although --date=human with --pretty="%(a|c)d" can achieve the same
> >     effect with --pretty="%(a|c)h", but it can be noticed that most time
> >     formats implement the corresponding option of --pretty, such as
> >     --date=iso8601 can be replaced by --pretty=%(a|c)i, so add
> >     "--pretty=%(a|c)h" seems to be a very reasonable thing.
> >
> > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-939%2Fadlternative%2Fpretty_human-v1
> > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-939/adlternative/pretty_human-v1
> > Pull-Request: https://github.com/gitgitgadget/git/pull/939
> >
> >  Documentation/pretty-formats.txt | 2 ++
> >  pretty.c                         | 3 +++
> >  t/t4205-log-pretty-formats.sh    | 6 ++++++
> >  3 files changed, 11 insertions(+)
> >
> > diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt
> > index 45133066e412..9cdcdb8bb414 100644
> > --- a/Documentation/pretty-formats.txt
> > +++ b/Documentation/pretty-formats.txt
> > @@ -190,6 +190,7 @@ The placeholders are:
> >  '%ai':: author date, ISO 8601-like format
> >  '%aI':: author date, strict ISO 8601 format
> >  '%as':: author date, short format (`YYYY-MM-DD`)
> > +'%ah':: author date, human style
>
> An example may be useful. There's no other mention of human date style
> in the pretty-formats doc. Or a link to the definitive man page.
>

Thanks for the suggestion. Note that the explanation here is relatively small,
and human style has many different situations, so I may just go to link it to
`rev-list-option.txt`, This is more convenient than showing multiple situations'
examples.

> >  '%cn':: committer name
> >  '%cN':: committer name (respecting .mailmap, see
> >       linkgit:git-shortlog[1] or linkgit:git-blame[1])
> > @@ -206,6 +207,7 @@ The placeholders are:
> >  '%ci':: committer date, ISO 8601-like format
> >  '%cI':: committer date, strict ISO 8601 format
> >  '%cs':: committer date, short format (`YYYY-MM-DD`)
> > +'%ch':: committer date, human style
> Likewise, an `(e.g. ????)` to unconfuse readers.
> >  '%d':: ref names, like the --decorate option of linkgit:git-log[1]
> >  '%D':: ref names without the " (", ")" wrapping.
> >  '%(describe[:options])':: human-readable name, like
> > diff --git a/pretty.c b/pretty.c
> > index e5b33ba034bd..b1ecd039cef2 100644
> > --- a/pretty.c
> > +++ b/pretty.c
> > @@ -745,6 +745,9 @@ static size_t format_person_part(struct strbuf *sb, char part,
> >       case 'I':       /* date, ISO 8601 strict */
> >               strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601_STRICT)));
> >               return placeholder_len;
> > +     case 'h':       /* date, human */
> > +             strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(HUMAN)));
> > +             return placeholder_len;
> >       case 's':
> >               strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(SHORT)));
> >               return placeholder_len;
> > diff --git a/t/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh
> > index cabdf7d57a00..d4d75b0b350e 100755
> > --- a/t/t4205-log-pretty-formats.sh
> > +++ b/t/t4205-log-pretty-formats.sh
> > @@ -539,6 +539,12 @@ test_expect_success 'short date' '
> >       test_cmp expected actual
> >  '
> >
> > +test_expect_success 'human date' '
> > +     git log --format=%ad%n%cd --date=human >expected &&
> > +     git log --format=%ah%n%ch >actual &&
> > +     test_cmp expected actual
> > +'
> > +
> >  # get new digests (with no abbreviations)
> >  test_expect_success 'set up log decoration tests' '
> >       head1=$(git rev-parse --verify HEAD~0) &&
> >
> > base-commit: b0c09ab8796fb736efa432b8e817334f3e5ee75a
> --
> Philip

Thanks!
--
ZheNing Hu