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Jeff King 0d0bac67ce transport: drop support for git-over-rsync 
The git-over-rsync protocol is inefficient and broken, and
has been for a long time. It transfers way more objects than
it needs (grabbing all of the remote's "objects/",
regardless of which objects we need). It does its own ad-hoc
parsing of loose and packed refs from the remote, but
doesn't properly override packed refs with loose ones,
leading to garbage results (e.g., expecting the other side
to have an object pointed to by a stale packed-refs entry,
or complaining that the other side has two copies of the
refs[1]).

This latter breakage means that nobody could have
successfully pulled from a moderately active repository
since cd547b4 (fetch/push: readd rsync support, 2007-10-01).

We never made an official deprecation notice in the release
notes for git's rsync protocol, but the tutorial has marked
it as such since 914328a (Update tutorial., 2005-08-30).
And on the mailing list as far back as Oct 2005, we can find
Junio mentioning it as having "been deprecated for quite
some time."[2,3,4]. So it was old news then; cogito had
deprecated the transport in July of 2005[5] (though it did
come back briefly when Linus broke git-http-pull!).

Of course some people professed their love of rsync through
2006, but Linus clarified in his usual gentle manner[6]:

  > Thanks!  This is why I still use rsync, even though
  > everybody and their mother tells me "Linus says rsync is
  > deprecated."

  No. You're using rsync because you're actively doing
  something _wrong_.

The deprecation sentiment was reinforced in 2008, with a
mention that cloning via rsync is broken (with no fix)[7].

Even the commit porting rsync over to C from shell (cd547b4)
lists it as deprecated! So between the 10 years of informal
warnings, and the fact that it has been severely broken
since 2007, it's probably safe to simply remove it without
further deprecation warnings.

[1] http://article.gmane.org/gmane.comp.version-control.git/285101
[2] http://article.gmane.org/gmane.comp.version-control.git/10093
[3] http://article.gmane.org/gmane.comp.version-control.git/17734
[4] http://article.gmane.org/gmane.comp.version-control.git/18911
[5] http://article.gmane.org/gmane.comp.version-control.git/5617
[6] http://article.gmane.org/gmane.comp.version-control.git/19354
[7] http://article.gmane.org/gmane.comp.version-control.git/103635

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-01 13:07:41 -08:00
..
howto command-list.txt: add the common groups block 2015-05-21 13:03:37 -07:00
RelNotes Git 2.6.5 2016-01-04 14:06:59 -08:00
technical Merge branch 'rs/daemon-plug-child-leak' into maint 2015-11-05 12:18:17 -08:00
.gitattributes
.gitignore doc: generate a list of valid merge tools 2013-02-02 21:46:52 -08:00
asciidoc.conf Documentation: avoid poor-man's small caps GIT 2013-02-01 13:53:25 -08:00
blame-options.txt Documentation/blame-options: don't list date formats 2015-09-03 15:34:39 -07:00
build-docdep.perl
cat-texi.perl Documentation: Strip texinfo anchors to avoid duplicates 2013-04-03 16:14:19 -07:00
cmd-list.perl command-list: prepare machinery for upcoming "common groups" section 2015-05-21 13:03:37 -07:00
CodingGuidelines Merge branch 'jg/cguide-we-cannot-count' into maint 2015-04-21 12:12:19 -07:00
config.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
date-formats.txt Correct word usage of "timezone" in "Documentation" directory 2013-11-12 10:47:17 -08:00
diff-config.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
diff-format.txt diff-format doc: a score can follow M for rewrite 2015-01-28 22:22:03 -08:00
diff-generate-patch.txt doc: fix misrendering due to `single quote' 2015-05-12 22:13:39 -07:00
diff-options.txt Documentation/diff: give --word-diff-regex=. example 2015-11-24 18:38:46 -05:00
docbook-xsl.css
docbook.xsl
everyday.txto doc: add 'everyday' to 'git help' 2014-10-10 16:02:26 -07:00
fetch-options.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
fix-texi.perl
fmt-merge-msg-config.txt Documentation: include 'merge.branchdesc' for merge and config as well 2015-05-28 12:38:46 -07:00
git-add.txt Merge branch 'jk/asciidoc-markup-fix' into maint 2015-06-05 12:00:19 -07:00
git-am.txt Merge branch 'mm/keyid-docs' into maint 2015-10-16 14:32:33 -07:00
git-annotate.txt
git-apply.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
git-archimport.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-archive.txt docs: clarify remote restrictions for git-upload-archive 2014-02-28 09:55:35 -08:00
git-bisect-lk2009.txt Merge branch 'jk/asciidoctor-section-heading-markup-fix' into maint 2015-10-16 14:32:53 -07:00
git-bisect.txt Merge branch 'xf/user-manual-markup' into maint 2015-11-04 14:20:47 -08:00
git-blame.txt blame: add blame.showEmail configuration 2015-06-01 15:50:43 -07:00
git-branch.txt Merge branch 'kn/for-each-branch' 2015-10-15 15:43:38 -07:00
git-bundle.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
git-cat-file.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-check-attr.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-check-ignore.txt check-ignore: correct documentation about output 2015-11-24 17:13:36 -05:00
git-check-mailmap.txt builtin: add git-check-mailmap command 2013-07-13 10:19:37 -07:00
git-check-ref-format.txt Merge branch 'nd/doc-check-ref-format-typo' into maint 2015-12-11 11:14:15 -08:00
git-checkout-index.txt
git-checkout.txt checkout: add --progress option 2015-11-01 14:08:17 -08:00
git-cherry-pick.txt Documentation: explain optional arguments better 2015-09-21 10:48:23 -07:00
git-cherry.txt Documentation: revamp git-cherry(1) 2013-11-27 12:16:49 -08:00
git-citool.txt
git-clean.txt Merge branch 'mr/doc-clean-f-f' into maint 2015-03-13 22:56:12 -07:00
git-clone.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
git-column.txt doc: remote author/documentation sections from more pages 2014-01-27 08:34:34 -08:00
git-commit-tree.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-commit.txt Documentation: explain optional arguments better 2015-09-21 10:48:23 -07:00
git-config.txt config: add '--name-only' option to list only variable names 2015-08-10 10:33:58 -07:00
git-count-objects.txt Documentation: fix misuses of "nor" 2014-03-31 15:16:22 -07:00
git-credential-cache--daemon.txt credential-cache: close stderr in daemon process 2014-09-16 11:11:58 -07:00
git-credential-cache.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-credential-store.txt git-credential-store: support XDG_CONFIG_HOME 2015-03-24 08:08:02 -07:00
git-credential.txt Documentation: make AsciiDoc links always point to HTML files 2013-09-06 14:49:06 -07:00
git-cvsexportcommit.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-cvsimport.txt Documentation: typofixes 2014-11-04 13:14:44 -08:00
git-cvsserver.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
git-daemon.txt Documentation: use "command-line" when used as a compound adjective, and fix other minor grammatical issues 2014-05-21 13:57:10 -07:00
git-describe.txt Merge branch 'sg/describe-contains' 2015-08-31 15:39:10 -07:00
git-diff-files.txt
git-diff-index.txt Documentation/diff-index: mention two modes of operation 2013-05-20 15:50:44 -07:00
git-diff-tree.txt
git-diff.txt Documentation: fix misuses of "nor" 2014-03-31 15:16:22 -07:00
git-difftool.txt difftool: add support for --trust-exit-code 2014-10-28 10:36:57 -07:00
git-fast-export.txt doc: convert \--option to --option 2015-05-12 22:14:46 -07:00
git-fast-import.txt Merge branch 'mh/fast-import-get-mark' 2015-08-03 11:01:23 -07:00
git-fetch-pack.txt doc: convert \--option to --option 2015-05-12 22:14:46 -07:00
git-fetch.txt Merge branch 'jc/em-dash-in-doc' into maint 2015-11-04 14:20:45 -08:00
git-filter-branch.txt Documentation: typofixes 2014-11-04 13:14:44 -08:00
git-fmt-merge-msg.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-for-each-ref.txt Merge branch 'kn/for-each-tag' 2015-10-05 12:30:18 -07:00
git-format-patch.txt format-patch: add an option to suppress commit hash 2015-12-15 10:03:40 -08:00
git-fsck-objects.txt
git-fsck.txt fsck: introduce git fsck --connectivity-only 2015-06-23 14:27:37 -07:00
git-gc.txt Merge branch 'jc/doc-gc-prune-now' into maint 2015-10-20 15:22:40 -07:00
git-get-tar-commit-id.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-grep.txt Documentation: explain optional arguments better 2015-09-21 10:48:23 -07:00
git-gui.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-hash-object.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-help.txt Documentation: use "command-line" when used as a compound adjective, and fix other minor grammatical issues 2014-05-21 13:57:10 -07:00
git-http-backend.txt Merge branch 'jk/http-backend-deadlock' into maint 2015-06-16 14:33:45 -07:00
git-http-fetch.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-http-push.txt
git-imap-send.txt imap-send: use cURL automatically when NO_OPENSSL defined 2015-03-10 15:19:05 -07:00
git-index-pack.txt clone: open a shortcut for connectivity check 2013-05-28 08:07:20 -07:00
git-init-db.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-init.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
git-instaweb.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
git-interpret-trailers.txt Merge branch 'tk/doc-interpret-trailers-grammo' into maint 2015-10-16 14:32:56 -07:00
git-log.txt log: Update log.follow doc and add to config.txt 2015-10-07 10:37:48 -07:00
git-ls-files.txt Documentation: use "command-line" when used as a compound adjective, and fix other minor grammatical issues 2014-05-21 13:57:10 -07:00
git-ls-remote.txt ls-remote.txt: delete unsupported option 2015-09-28 11:07:04 -07:00
git-ls-tree.txt
git-mailinfo.txt git-mailinfo: add --message-id 2014-11-25 15:24:55 -08:00
git-mailsplit.txt
git-merge-base.txt merge-base: teach "--fork-point" mode 2013-10-29 13:06:08 -07:00
git-merge-file.txt merge-file: clamp exit code to maximum 127 2015-10-29 12:10:23 -07:00
git-merge-index.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-merge-one-file.txt
git-merge-tree.txt use 'tree-ish' instead of 'treeish' 2013-09-04 15:02:56 -07:00
git-merge.txt Merge branch 'mm/keyid-docs' into maint 2015-10-16 14:32:33 -07:00
git-mergetool--lib.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-mergetool.txt mergetool: document the default for --[no-]prompt 2014-04-24 11:29:05 -07:00
git-mktag.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-mktree.txt
git-mv.txt mv: better document side effects when moving a submodule 2014-01-07 14:33:04 -08:00
git-name-rev.txt use 'commit-ish' instead of 'committish' 2013-09-04 15:03:03 -07:00
git-notes.txt Merge branch 'jk/notes-dwim-doc' into maint 2015-10-16 14:32:40 -07:00
git-p4.txt Merge branch 'ls/p4-keep-empty-commits' 2015-12-15 08:02:19 -08:00
git-pack-objects.txt doc: convert \--option to --option 2015-05-12 22:14:46 -07:00
git-pack-redundant.txt
git-pack-refs.txt Documentation: remove --prune from pack-refs examples 2013-07-18 16:23:46 -07:00
git-parse-remote.txt
git-patch-id.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-prune-packed.txt Documentation: adjust document title underlining 2014-10-13 13:35:18 -07:00
git-prune.txt worktree: new place for "git prune --worktrees" 2015-06-29 08:48:44 -07:00
git-pull.txt pull: handle git-fetch's options as well 2015-06-02 13:36:22 -07:00
git-push.txt push: add recurseSubmodules config option 2015-11-20 08:02:07 -05:00
git-quiltimport.txt git-quiltimport: add commandline option --series <file> 2015-09-01 11:10:07 -07:00
git-read-tree.txt Documentation: use "command-line" when used as a compound adjective, and fix other minor grammatical issues 2014-05-21 13:57:10 -07:00
git-rebase.txt Merge branch 'jk/rebase-no-autostash' into maint 2015-12-08 14:05:01 -08:00
git-receive-pack.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
git-reflog.txt git-reflog: add exists command 2015-07-21 14:08:14 -07:00
git-relink.txt
git-remote-ext.txt doc: add some crossrefs between manual pages 2014-11-11 14:47:04 -08:00
git-remote-fd.txt doc: add some crossrefs between manual pages 2014-11-11 14:47:04 -08:00
git-remote-helpers.txto Rename {git- => git}remote-helpers.txt 2013-02-01 14:12:34 -08:00
git-remote-testgit.txt Merge branch 'jk/remote-helpers-doc' 2013-02-07 14:41:45 -08:00
git-remote.txt Merge branch 'xf/user-manual-markup' into maint 2015-11-04 14:20:47 -08:00
git-repack.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
git-replace.txt Merge branch 'cc/replace-graft' 2014-07-27 15:14:18 -07:00
git-request-pull.txt doc: show usage of branch description 2015-09-14 12:50:33 -07:00
git-rerere.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
git-reset.txt Merge branch 'jl/nor-or-nand-and' 2014-04-08 12:00:28 -07:00
git-rev-list.txt Merge branch 'jk/date-local' 2015-10-05 12:30:13 -07:00
git-rev-parse.txt rev-parse --parseopt: allow [*=?!] in argument hints 2015-07-15 10:30:54 -07:00
git-revert.txt Documentation: explain optional arguments better 2015-09-21 10:48:23 -07:00
git-rm.txt rm: better document side effects when removing a submodule 2014-01-07 14:34:06 -08:00
git-send-email.txt sendemail: teach git-send-email to dump alias names 2015-11-20 08:02:06 -05:00
git-send-pack.txt push: support signing pushes iff the server supports it 2015-08-19 12:58:45 -07:00
git-sh-i18n--envsubst.txt
git-sh-i18n.txt
git-sh-setup.txt Merge branch 'jc/reflog-doc' 2013-10-18 13:50:12 -07:00
git-shell.txt shell doc: remove stray "+" in example 2014-05-08 10:26:26 -07:00
git-shortlog.txt git-shortlog.txt: make SYNOPSIS match log, update OPTIONS 2013-04-21 23:11:02 -07:00
git-show-branch.txt Documentation: fix misuses of "nor" 2014-03-31 15:16:22 -07:00
git-show-index.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-show-ref.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-show.txt doc: convert \--option to --option 2015-05-12 22:14:46 -07:00
git-stage.txt Documentation: adjust document title underlining 2014-10-13 13:35:18 -07:00
git-stash.txt stash: allow "stash show" diff output configurable 2015-08-31 11:29:04 -07:00
git-status.txt Documentation: explain optional arguments better 2015-09-21 10:48:23 -07:00
git-stripspace.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-submodule.txt document submodule sync --recursive 2015-12-04 13:08:05 -08:00
git-svn.txt Merge branch 'br/svn-doc-include-paths-config' into maint 2015-09-17 12:11:46 -07:00
git-symbolic-ref.txt
git-tag.txt Merge branch 'mm/keyid-docs' into maint 2015-10-16 14:32:33 -07:00
git-tools.txt Documentation/git-tools: retire manually-maintained list 2015-07-28 13:21:59 -07:00
git-unpack-file.txt
git-unpack-objects.txt usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
git-update-index.txt Documentation/git-update-index: add missing opts to synopsis 2015-12-10 12:21:26 -08:00
git-update-ref.txt update-ref and tag: add --create-reflog arg 2015-07-21 14:08:35 -07:00
git-update-server-info.txt
git-upload-archive.txt Documentation: match underline with the text 2015-10-22 10:16:12 -07:00
git-upload-pack.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-var.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-verify-commit.txt verify-commit: add option to print raw gpg status information 2015-06-22 14:20:47 -07:00
git-verify-pack.txt git-verify-pack.txt: fix inconsistent spelling of "packfile" 2015-05-17 11:24:57 -07:00
git-verify-tag.txt verify-tag: add option to print raw gpg status information 2015-06-22 14:20:47 -07:00
git-web--browse.txt Documentation: use "command-line" when used as a compound adjective, and fix other minor grammatical issues 2014-05-21 13:57:10 -07:00
git-whatchanged.txt whatchanged: document its historical nature 2013-08-13 09:01:54 -07:00
git-worktree.txt worktree: add 'list' command 2015-10-08 11:57:14 -07:00
git-write-tree.txt
git.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
gitattributes.txt userdiff: add support for Fountain documents 2015-07-23 14:44:51 -07:00
gitcli.txt Documentation: use "command-line" when used as a compound adjective, and fix other minor grammatical issues 2014-05-21 13:57:10 -07:00
gitcore-tutorial.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
gitcredentials.txt *config.txt: stick to camelCase naming convention 2015-03-13 22:13:46 -07:00
gitcvs-migration.txt doc: add 'everyday' to 'git help' 2014-10-10 16:02:26 -07:00
gitdiffcore.txt doc: convert \--option to --option 2015-05-12 22:14:46 -07:00
giteveryday.txt Documentation/everyday: match undefline with the text 2015-10-22 10:14:44 -07:00
gitglossary.txt doc: add 'everyday' to 'git help' 2014-10-10 16:02:26 -07:00
githooks.txt receive-pack: support push-to-checkout hook 2015-01-08 14:28:43 -08:00
gitignore.txt Merge branch 'nd/ignore-then-not-ignore' 2015-10-07 13:38:17 -07:00
gitk.txt Documentation: change -L:<regex> to -L:<funcname> 2015-04-20 11:05:50 -07:00
gitmodules.txt submodule: improve documentation of update subcommand 2015-03-02 14:59:55 -08:00
gitnamespaces.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitremote-helpers.txt gitremote-helpers.txt: document pushcert option 2015-08-19 12:41:38 -07:00
gitrepository-layout.txt Documentation/git-worktree: wordsmith worktree-related manpages 2015-07-20 11:07:18 -07:00
gitrevisions.txt Documentation: match underline with the text 2015-10-22 10:16:12 -07:00
gittutorial-2.txt Merge branch 'sn/tutorial-status-output-example' 2014-11-19 13:47:59 -08:00
gittutorial.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
gitweb.conf.txt Merge branch 'tf/gitweb-typofix' 2015-07-21 12:45:27 -07:00
gitweb.txt Documentation: fix documentation AsciiDoc links for external urls 2014-02-20 14:14:58 -08:00
gitworkflows.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
glossary-content.txt refs: make refs/bisect/* per-worktree 2015-09-01 10:37:39 -07:00
howto-index.sh howto-index.sh: use the $( ... ) construct for command substitution 2014-04-17 11:14:57 -07:00
i18n.txt Documentation/i18n.txt: clarify character encoding support 2015-07-01 14:55:53 -07:00
install-doc-quick.sh
install-webdoc.sh install-webdoc.sh: use the $( ... ) construct for command substitution 2014-04-17 11:14:58 -07:00
line-range-format.txt Documentation: change -L:<regex> to -L:<funcname> 2015-04-20 11:05:50 -07:00
mailmap.txt
Makefile Documentation: fix version numbering 2015-01-22 13:44:14 -08:00
manpage-1.72.xsl
manpage-base-url.xsl.in
manpage-base.xsl
manpage-bold-literal.xsl
manpage-normal.xsl
manpage-quote-apos.xsl
manpage-suppress-sp.xsl
merge-config.txt Merge branch 'sg/merge-summary-config' into maint 2015-06-25 11:02:17 -07:00
merge-options.txt Documentation: fix misuses of "nor" 2014-03-31 15:16:22 -07:00
merge-strategies.txt Merge branch 'rr/doc-merge-strategies' into maint 2014-04-03 13:39:03 -07:00
pretty-formats.txt rev-list: make it obvious that we do not support notes 2015-08-24 10:33:15 -07:00
pretty-options.txt notes: correct documentation of DWIMery for notes references 2015-09-22 15:24:01 -07:00
pull-fetch-param.txt docs: Explain the purpose of fetch's and pull's <refspec> parameter. 2014-06-12 09:59:13 -07:00
rev-list-options.txt Merge branch 'jk/date-local' 2015-10-05 12:30:13 -07:00
revisions.txt sha1_name: implement @{push} shorthand 2015-05-22 09:33:08 -07:00
sequencer.txt
SubmittingPatches Merge branch 'jc/submitting-patches-mention-send-email' into maint 2015-03-28 09:33:10 -07:00
urls-remotes.txt Documentation: match underline with the text 2015-10-22 10:16:12 -07:00
urls.txt transport: drop support for git-over-rsync 2016-02-01 13:07:41 -08:00
user-manual.conf
user-manual.txt Merge branch 'xf/user-manual-ff' into maint 2015-11-04 14:20:49 -08:00