Re: [PATCH v3 7/9] bugreport: add packed object summary

[Emily Shaffer <emilyshaffer@google.com>]

On Mon, Oct 28, 2019 at 04:43:50PM +0100, Johannes Schindelin wrote:
> Hi Emily,
> 
> On Thu, 24 Oct 2019, Emily Shaffer wrote:
> 
> > Alongside the list of loose objects, it's useful to see the list of
> > object packs as well. It can help us to examine what Git did and did not
> > pack.
> 
> Yes, I was write! Packs are next ;-)
> 
> >
> > Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
> > ---
> >  bugreport.c         | 21 +++++++++++++++++++++
> >  bugreport.h         |  6 ++++++
> >  builtin/bugreport.c |  4 ++++
> >  3 files changed, 31 insertions(+)
> >
> > diff --git a/bugreport.c b/bugreport.c
> > index 54e1d47103..79ddb8baaa 100644
> > --- a/bugreport.c
> > +++ b/bugreport.c
> > @@ -219,3 +219,24 @@ void get_loose_object_summary(struct strbuf *obj_info)
> >  			    objects.nr);
> >  	}
> >  }
> > +
> > +void get_packed_object_summary(struct strbuf *obj_info)
> > +{
> > +	struct strbuf dirpath = STRBUF_INIT;
> > +	struct string_list contents = STRING_LIST_INIT_DUP;
> > +	struct string_list_item *entry;
> > +
> > +	strbuf_reset(obj_info);
> > +
> > +	strbuf_addstr(&dirpath, get_object_directory());
> > +	strbuf_complete(&dirpath, '/');
> > +	strbuf_addstr(&dirpath, "pack/");
> > +	list_contents_of_dir(&contents, &dirpath, 0, 0);
> > +
> > +	// list full contents of $GIT_OBJECT_DIRECTORY/pack/
> > +	for_each_string_list_item(entry, &contents) {
> > +		strbuf_addbuf(obj_info, &dirpath);
> > +		strbuf_addstr(obj_info, entry->string);
> > +		strbuf_complete_line(obj_info);
> > +	}
> > +}
> 
> Okay, but I think that you will want to discern between regular `.pack`
> files, `.idx` files and `tmp_*` files.

Discern in what way? How would you like to see them treated separately?
They're all being listed here, not just counted, so it seems to me like
I can read the generated bugreport and see which files are index, pack,
or temporary here.

> 
> > diff --git a/bugreport.h b/bugreport.h
> > index 09ad0c2599..11ff7df41b 100644
> > --- a/bugreport.h
> > +++ b/bugreport.h
> > @@ -24,3 +24,9 @@ void get_populated_hooks(struct strbuf *hook_info);
> >   * will be discarded.
> >   */
> >  void get_loose_object_summary(struct strbuf *obj_info);
> > +
> > +/**
> > + * Adds a list of the contents of '.git/objects/pack'. The previous contents of
> > + * hook_info will be discarded.
> > + */
> > +void get_packed_object_summary(struct strbuf *obj_info);
> > diff --git a/builtin/bugreport.c b/builtin/bugreport.c
> > index b2ab194207..da91a3944e 100644
> > --- a/builtin/bugreport.c
> > +++ b/builtin/bugreport.c
> > @@ -68,6 +68,10 @@ int cmd_bugreport(int argc, const char **argv, const char *prefix)
> >  	get_loose_object_summary(&buffer);
> >  	strbuf_write(&buffer, report);
> >
> > +	add_header(report, "Packed Object Summary");
> > +	get_packed_object_summary(&buffer);
> > +	strbuf_write(&buffer, report);
> > +
> 
> Hmm. At this point, I am unclear whether you want to write into an
> `strbuf`, or directly into a `FILE *`? I would rather have only one, not
> a mix.
> 
> Ciao,
> Dscho
> 
> >  	fclose(report);
> >
> >  	launch_editor(report_path.buf, NULL, NULL);
> > --
> > 2.24.0.rc0.303.g954a862665-goog
> >
> >