git@vger.kernel.org mailing list mirror (one of many)
 help / Atom feed
From: Jeff King <peff@peff.net>
To: Elijah Newren <newren@gmail.com>
Cc: git@vger.kernel.org, larsxschneider@gmail.com,
	sandals@crustytoothpaste.net, me@ttaylorr.com,
	jrnieder@gmail.com
Subject: Re: [PATCH 10/10] fast-export: add --always-show-modify-after-rename
Date: Sun, 11 Nov 2018 02:23:56 -0500
Message-ID: <20181111072356.GJ30850@sigill.intra.peff.net> (raw)
In-Reply-To: <20181111062312.16342-11-newren@gmail.com>

On Sat, Nov 10, 2018 at 10:23:12PM -0800, Elijah Newren wrote:

> fast-export output is traditionally used as an input to a fast-import
> program, but it is also useful to help gather statistics about the
> history of a repository (particularly when --no-data is also passed).
> For example, two of the types of information we may want to collect
> could include:
>   1) general information about renames that have occurred
>   2) what the biggest objects in a repository are and what names
>      they appear under.
> 
> The first bit of information can be gathered by just passing -M to
> fast-export.  The second piece of information can partially be gotten
> from running
>     git cat-file --batch-check --batch-all-objects
> However, that only shows what the biggest objects in the repository are
> and their sizes, not what names those objects appear as or what commits
> they were introduced in.  We can get that information from fast-export,
> but when we only see
>     R oldname newname
> instead of
>     R oldname newname
>     M 100644 $SHA1 newname
> then it makes the job more difficult.  Add an option which allows us to
> force the latter output even when commits have exact renames of files.

fast-export seems like a funny tool to look up paths. What about "git
log --find-object=$SHA1" ?

-Peff

  reply index

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-23 13:04 Import/Export as a fast way to purge files from Git? Lars Schneider
2018-09-23 14:55 ` Eric Sunshine
2018-09-23 15:58   ` Lars Schneider
2018-09-23 15:53 ` brian m. carlson
2018-09-23 17:04   ` Jeff King
2018-09-24 17:24 ` Elijah Newren
2018-10-31 19:15   ` Lars Schneider
2018-11-01  7:12     ` Elijah Newren
2018-11-11  6:23       ` [PATCH 00/10] fast export and import fixes and features Elijah Newren
2018-11-11  6:23         ` [PATCH 01/10] git-fast-import.txt: fix documentation for --quiet option Elijah Newren
2018-11-11  6:33           ` Jeff King
2018-11-11  6:23         ` [PATCH 02/10] git-fast-export.txt: clarify misleading documentation about rev-list args Elijah Newren
2018-11-11  6:36           ` Jeff King
2018-11-11  7:17             ` Elijah Newren
2018-11-13 23:25               ` Elijah Newren
2018-11-13 23:39                 ` Jonathan Nieder
2018-11-14  0:02                   ` Elijah Newren
2018-11-11  6:23         ` [PATCH 03/10] fast-export: use value from correct enum Elijah Newren
2018-11-11  6:36           ` Jeff King
2018-11-11 20:10             ` Ævar Arnfjörð Bjarmason
2018-11-12  9:12               ` Ævar Arnfjörð Bjarmason
2018-11-12 11:31               ` Jeff King
2018-11-11  6:23         ` [PATCH 04/10] fast-export: avoid dying when filtering by paths and old tags exist Elijah Newren
2018-11-11  6:44           ` Jeff King
2018-11-11  7:38             ` Elijah Newren
2018-11-12 12:32               ` Jeff King
2018-11-12 22:50             ` brian m. carlson
2018-11-13 14:38               ` Jeff King
2018-11-11  6:23         ` [PATCH 05/10] fast-export: move commit rewriting logic into a function for reuse Elijah Newren
2018-11-11  6:47           ` Jeff King
2018-11-11  6:23         ` [PATCH 06/10] fast-export: when using paths, avoid corrupt stream with non-existent mark Elijah Newren
2018-11-11  6:53           ` Jeff King
2018-11-11  8:01             ` Elijah Newren
2018-11-12 12:45               ` Jeff King
2018-11-12 15:36                 ` Elijah Newren
2018-11-11  6:23         ` [PATCH 07/10] fast-export: ensure we export requested refs Elijah Newren
2018-11-11  7:02           ` Jeff King
2018-11-11  8:20             ` Elijah Newren
2018-11-11  6:23         ` [PATCH 08/10] fast-export: add --reference-excluded-parents option Elijah Newren
2018-11-11  7:11           ` Jeff King
2018-11-11  6:23         ` [PATCH 09/10] fast-export: add a --show-original-ids option to show original names Elijah Newren
2018-11-11  7:20           ` Jeff King
2018-11-11  8:32             ` Elijah Newren
2018-11-12 12:53               ` Jeff King
2018-11-12 15:46                 ` Elijah Newren
2018-11-12 16:31                   ` Jeff King
2018-11-11  6:23         ` [PATCH 10/10] fast-export: add --always-show-modify-after-rename Elijah Newren
2018-11-11  7:23           ` Jeff King [this message]
2018-11-11  8:42             ` Elijah Newren
2018-11-12 12:58               ` Jeff King
2018-11-12 18:08                 ` Elijah Newren
2018-11-13 14:45                   ` Jeff King
2018-11-13 17:10                     ` Elijah Newren
2018-11-14  7:14                       ` Jeff King
2018-11-11  7:27         ` [PATCH 00/10] fast export and import fixes and features Jeff King
2018-11-11  8:44           ` Elijah Newren
2018-11-12 13:00             ` Jeff King
2018-11-14  0:25         ` [PATCH v2 00/11] " Elijah Newren
2018-11-14  0:25           ` [PATCH v2 01/11] git-fast-import.txt: fix documentation for --quiet option Elijah Newren
2018-11-14  0:25           ` [PATCH v2 02/11] git-fast-export.txt: clarify misleading documentation about rev-list args Elijah Newren
2018-11-14  0:25           ` [PATCH v2 03/11] fast-export: use value from correct enum Elijah Newren
2018-11-14  0:25           ` [PATCH v2 04/11] fast-export: avoid dying when filtering by paths and old tags exist Elijah Newren
2018-11-14 19:17             ` SZEDER Gábor
2018-11-14 23:13               ` Elijah Newren
2018-11-14  0:25           ` [PATCH v2 05/11] fast-export: move commit rewriting logic into a function for reuse Elijah Newren
2018-11-14  0:25           ` [PATCH v2 06/11] fast-export: when using paths, avoid corrupt stream with non-existent mark Elijah Newren
2018-11-14  0:25           ` [PATCH v2 07/11] fast-export: ensure we export requested refs Elijah Newren
2018-11-14  0:25           ` [PATCH v2 08/11] fast-export: add --reference-excluded-parents option Elijah Newren
2018-11-14 19:27             ` SZEDER Gábor
2018-11-14 23:16               ` Elijah Newren
2018-11-14  0:25           ` [PATCH v2 09/11] fast-import: remove unmaintained duplicate documentation Elijah Newren
2018-11-14  0:25           ` [PATCH v2 10/11] fast-export: add a --show-original-ids option to show original names Elijah Newren
2018-11-14  0:26           ` [PATCH v2 11/11] fast-export: add --always-show-modify-after-rename Elijah Newren
2018-11-14  7:25           ` [PATCH v2 00/11] fast export and import fixes and features Jeff King
2018-11-16  7:59           ` [PATCH v3 " Elijah Newren
2018-11-16  7:59             ` [PATCH v3 01/11] fast-export: convert sha1 to oid Elijah Newren
2018-11-16  7:59             ` [PATCH v3 02/11] git-fast-import.txt: fix documentation for --quiet option Elijah Newren
2018-11-16  7:59             ` [PATCH v3 03/11] git-fast-export.txt: clarify misleading documentation about rev-list args Elijah Newren
2018-11-16  7:59             ` [PATCH v3 04/11] fast-export: use value from correct enum Elijah Newren
2018-11-16  7:59             ` [PATCH v3 05/11] fast-export: avoid dying when filtering by paths and old tags exist Elijah Newren
2018-11-16  7:59             ` [PATCH v3 06/11] fast-export: move commit rewriting logic into a function for reuse Elijah Newren
2018-11-16  7:59             ` [PATCH v3 07/11] fast-export: when using paths, avoid corrupt stream with non-existent mark Elijah Newren
2018-11-16  7:59             ` [PATCH v3 08/11] fast-export: ensure we export requested refs Elijah Newren
2018-11-16  7:59             ` [PATCH v3 09/11] fast-export: add --reference-excluded-parents option Elijah Newren
2018-11-16  7:59             ` [PATCH v3 10/11] fast-import: remove unmaintained duplicate documentation Elijah Newren
2018-11-16  7:59             ` [PATCH v3 11/11] fast-export: add a --show-original-ids option to show original names Elijah Newren
2018-11-16 12:29               ` SZEDER Gábor
2018-11-16  8:50             ` [PATCH v3 00/11] fast export and import fixes and features Jeff King
2018-11-12  9:17       ` Import/Export as a fast way to purge files from Git? Ævar Arnfjörð Bjarmason
2018-11-12 15:34         ` Elijah Newren

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181111072356.GJ30850@sigill.intra.peff.net \
    --to=peff@peff.net \
    --cc=git@vger.kernel.org \
    --cc=jrnieder@gmail.com \
    --cc=larsxschneider@gmail.com \
    --cc=me@ttaylorr.com \
    --cc=newren@gmail.com \
    --cc=sandals@crustytoothpaste.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

git@vger.kernel.org mailing list mirror (one of many)

Archives are clonable:
	git clone --mirror https://public-inbox.org/git
	git clone --mirror http://ou63pmih66umazou.onion/git
	git clone --mirror http://czquwvybam4bgbro.onion/git
	git clone --mirror http://hjrcffqmbrq6wope.onion/git

Newsgroups are available over NNTP:
	nntp://news.public-inbox.org/inbox.comp.version-control.git
	nntp://ou63pmih66umazou.onion/inbox.comp.version-control.git
	nntp://czquwvybam4bgbro.onion/inbox.comp.version-control.git
	nntp://hjrcffqmbrq6wope.onion/inbox.comp.version-control.git
	nntp://news.gmane.org/gmane.comp.version-control.git

 note: .onion URLs require Tor: https://www.torproject.org/
       or Tor2web: https://www.tor2web.org/

AGPL code for this site: git clone https://public-inbox.org/ public-inbox