git/list[1] front-page[2] threads[3] people[4] search[5] about
 

Re: [PATCH v3 1/7] object-file: always set OI_LOOSE when reading object info

From
Patrick Steinhardt <ps@pks.im>
Date
Jan 7, 2026, 11:27 UTC
Message-ID
<aV5DHI04KBs4GJn-@pks.im>
In-Reply-To
<CAOLa=ZSNmi_Lzb=3EdWks=mMOPvfijT2659y4YtxWnUKVUOXaA@mail.gmail.com>
On Wed, Jan 07, 2026 at 12:50:45AM -0800, Karthik Nayak wrote:
Show 37 quoted lines
> Patrick Steinhardt <ps@pks.im> writes:
> > diff --git a/object-file.c b/object-file.c
> > index 6280e42f34..d566df427a 100644
> > --- a/object-file.c
> > +++ b/object-file.c
> > @@ -439,12 +439,23 @@ int odb_source_loose_read_object_info(struct odb_source *source,
> >  	 */
> >  	if (!oi || (!oi->typep && !oi->sizep && !oi->contentp)) {
> >  		struct stat st;
> > -		if ((!oi || !oi->disk_sizep) && (flags & OBJECT_INFO_QUICK))
> > -			return quick_has_loose(source->loose, oid) ? 0 : -1;
> > +
> > +		if ((!oi || !oi->disk_sizep) && (flags & OBJECT_INFO_QUICK)) {
> > +			status = quick_has_loose(source->loose, oid) ? 0 : -1;
> > +			if (!status && oi)
> > +				oi->whence = OI_LOOSE;
> > +			return status;
> > +		}
> > +
> >  		if (stat_loose_object(source->loose, oid, &st, &path) < 0)
> >  			return -1;
> > -		if (oi && oi->disk_sizep)
> > -			*oi->disk_sizep = st.st_size;
> > +
> > +		if (oi) {
> > +			if (oi->disk_sizep)
> > +				*oi->disk_sizep = st.st_size;
> > +			oi->whence = OI_LOOSE;
> > +		}
> > +
> >  		return 0;
> >  	}
> >
> 
> The change looks good. I'm wary of early returns independently doing the
> cleanup, wonder if it'd be better to do `status = ...; goto cleanup`
> instead.

I share that sentiment, and I was in fact having a look at what it would take to have a single exit path in this function. I eventually discarded the work though because it required a bunch of changes to really make this whole function more readable than it currently is.

But now that you're the second one thinking this I'll probably bite the bullet and just do it.

Thanks!
Patrick
Previous: Karthik NayakNext: Patrick Steinhardt
Message 31 of 58 in “Improvements for reading object info”
  1. 0/8 Improvements for reading object infoPatrick Steinhardt, Dec 18, 2025
  2. 1/8 object-file: always set OI_LOOSE when reading object infoPatrick Steinhardt, Dec 18, 2025
  3. 2/8 packfile: always declare object info to be OI_PACKEDPatrick Steinhardt, Dec 18, 2025
  4. Junio C HamanoDec 18, 2025
  5. Patrick SteinhardtDec 18, 2025
  6. 3/8 packfile: extend `is_delta` field to allow for "unknown" statePatrick Steinhardt, Dec 18, 2025
  7. 4/8 packfile: always populate pack-specific info when reading object infoPatrick Steinhardt, Dec 18, 2025
  8. Junio C HamanoDec 18, 2025
  9. 5/8 packfile: disentangle return value of `packed_object_info()`Patrick Steinhardt, Dec 18, 2025
  10. 6/8 packfile: skip unpacking object header for disk size requestsPatrick Steinhardt, Dec 18, 2025
  11. 7/8 packfile: fix short-circuiting of empty requestsPatrick Steinhardt, Dec 18, 2025
  12. 8/8 packfile: drop repository parameter from `packed_object_info()`Patrick Steinhardt, Dec 18, 2025
  13. Junio C HamanoDec 18, 2025
  14. Patrick SteinhardtDec 18, 2025
  15. 0/7 Improvements for reading object infoPatrick Steinhardt, Dec 18, 2025
  16. 1/7 object-file: always set OI_LOOSE when reading object infoPatrick Steinhardt, Dec 18, 2025
  17. 2/7 packfile: always declare object info to be OI_PACKEDPatrick Steinhardt, Dec 18, 2025
  18. Toon ClaesJan 5, 2026
  19. 3/7 packfile: extend `is_delta` field to allow for "unknown" statePatrick Steinhardt, Dec 18, 2025
  20. Toon ClaesJan 5, 2026
  21. Patrick SteinhardtJan 6, 2026
  22. 4/7 packfile: always populate pack-specific info when reading object infoPatrick Steinhardt, Dec 18, 2025
  23. Kristoffer HaugsbakkDec 30, 2025
  24. Patrick SteinhardtJan 5, 2026
  25. 5/7 packfile: disentangle return value of `packed_object_info()`Patrick Steinhardt, Dec 18, 2025
  26. 6/7 packfile: skip unpacking object header for disk size requestsPatrick Steinhardt, Dec 18, 2025
  27. 7/7 packfile: drop repository parameter from `packed_object_info()`Patrick Steinhardt, Dec 18, 2025
  28. 0/7 Improvements for reading object infoPatrick Steinhardt, Jan 6, 2026
  29. 1/7 object-file: always set OI_LOOSE when reading object infoPatrick Steinhardt, Jan 6, 2026
  30. Karthik NayakJan 7, 2026
  31. Patrick SteinhardtJan 7, 2026
  32. 2/7 packfile: always declare object info to be OI_PACKEDPatrick Steinhardt, Jan 6, 2026
  33. 3/7 packfile: extend `is_delta` field to allow for "unknown" statePatrick Steinhardt, Jan 6, 2026
  34. Karthik NayakJan 7, 2026
  35. 4/7 packfile: always populate pack-specific info when reading object infoPatrick Steinhardt, Jan 6, 2026
  36. 5/7 packfile: disentangle return value of `packed_object_info()`Patrick Steinhardt, Jan 6, 2026
  37. 6/7 packfile: skip unpacking object header for disk size requestsPatrick Steinhardt, Jan 6, 2026
  38. 7/7 packfile: drop repository parameter from `packed_object_info()`Patrick Steinhardt, Jan 6, 2026
  39. Karthik NayakJan 7, 2026
  40. 0/7 Improvements for reading object infoPatrick Steinhardt, Jan 7, 2026
  41. 1/7 object-file: always set OI_LOOSE when reading object infoPatrick Steinhardt, Jan 7, 2026
  42. Karthik NayakJan 8, 2026
  43. 2/7 packfile: always declare object info to be OI_PACKEDPatrick Steinhardt, Jan 7, 2026
  44. 3/7 packfile: extend `is_delta` field to allow for "unknown" statePatrick Steinhardt, Jan 7, 2026
  45. 4/7 packfile: always populate pack-specific info when reading object infoPatrick Steinhardt, Jan 7, 2026
  46. 5/7 packfile: disentangle return value of `packed_object_info()`Patrick Steinhardt, Jan 7, 2026
  47. 6/7 packfile: skip unpacking object header for disk size requestsPatrick Steinhardt, Jan 7, 2026
  48. 7/7 packfile: drop repository parameter from `packed_object_info()`Patrick Steinhardt, Jan 7, 2026
  49. Karthik NayakJan 8, 2026
  50. 0/7 Improvements for reading object infoPatrick Steinhardt, Jan 12, 2026
  51. 1/7 object-file: always set OI_LOOSE when reading object infoPatrick Steinhardt, Jan 12, 2026
  52. 2/7 packfile: always declare object info to be OI_PACKEDPatrick Steinhardt, Jan 12, 2026
  53. Junio C HamanoJan 12, 2026
  54. 3/7 packfile: extend `is_delta` field to allow for "unknown" statePatrick Steinhardt, Jan 12, 2026
  55. 4/7 packfile: always populate pack-specific info when reading object infoPatrick Steinhardt, Jan 12, 2026
  56. 5/7 packfile: disentangle return value of `packed_object_info()`Patrick Steinhardt, Jan 12, 2026
  57. 6/7 packfile: skip unpacking object header for disk size requestsPatrick Steinhardt, Jan 12, 2026
  58. 7/7 packfile: drop repository parameter from `packed_object_info()`Patrick Steinhardt, Jan 12, 2026

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.