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Nguyễn Thái Ngọc Duy be4908f103 checkout: disambiguate dwim tracking branches and local files 
When checkout dwim is added in [1], it is restricted to only dwim when
certain conditions are met and fall back to default checkout behavior
otherwise. It turns out falling back could be confusing. One of the
conditions to turn

    git checkout frotz

to

    git checkout -b frotz origin/frotz

is that frotz must not exist as a file. But when the user comes to
expect "git checkout frotz" to create the branch "frotz" and there
happens to be a file named "frotz", git's silently reverting "frotz"
file content is not helping. This is reported in Git mailing list [2]
and even used as an example of "Git is bad" elsewhere [3].

We normally try to do the right thing, but when there are multiple
"right things" to do, it's best to leave it to the user to decide.
Check this case, ask the user to to disambiguate:

- "git checkout -- foo" will check out path "foo"
- "git checkout foo --" will dwim and create branch "foo" [4]

For users who do not want dwim, use --no-guess. It's useless in this
particular case because "git checkout --no-guess foo --" will just
fail. But it could be used by scripts.

[1] 70c9ac2f19 (DWIM "git checkout frotz" to "git checkout -b frotz
    origin/frotz" - 2009-10-18)
[2] https://public-inbox.org/git/CACsJy8B2TVr1g+k+eSQ=pBEO3WN4_LtgLo9gpur8X7Z9GOFL_A@mail.gmail.com/
[3] https://news.ycombinator.com/item?id=18230655
[4] a047fafc78 (checkout: allow dwim for branch creation for "git
    checkout $branch --" - 2013-10-18)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-14 15:02:24 +09:00
..
config Merge branch 'js/mingw-perl5lib' 2018-11-13 22:37:20 +09:00
howto Merge branch 'uk/merge-subtree-doc-update' 2018-10-30 15:43:49 +09:00
RelNotes Tenth batch for 2.20 2018-11-13 22:37:28 +09:00
technical Merge branch 'bp/read-cache-parallel' 2018-10-19 13:34:03 +09:00
.gitattributes
.gitignore add a script to diff rendered documentation 2018-08-06 12:30:23 -07:00
asciidoc.conf Documentation: avoid poor-man's small caps GIT 2013-02-01 13:53:25 -08:00
asciidoctor-extensions.rb Documentation: implement linkgit macro for Asciidoctor 2017-01-31 12:18:18 -08:00
blame-options.txt Merge branch 'bc/blame-doc-fix' 2017-02-24 10:48:08 -08:00
build-docdep.perl
cat-texi.perl Documentation: remove unneeded argument in cat-texi.perl 2017-01-23 10:56:47 -08:00
cmd-list.perl command-list: prepare machinery for upcoming "common groups" section 2015-05-21 13:03:37 -07:00
CodingGuidelines Merge branch 'jc/how-to-document-api' 2018-10-19 13:34:05 +09:00
config.txt Merge branch 'nd/per-worktree-config' 2018-11-13 22:37:18 +09:00
date-formats.txt Merge branch 'lr/doc-fix-cet' into maint 2017-01-17 15:19:08 -08:00
diff-format.txt Documentation: improve description for core.quotePath 2017-03-02 11:40:51 -08:00
diff-generate-patch.txt Documentation: improve description for core.quotePath 2017-03-02 11:40:51 -08:00
diff-options.txt Merge branch 'es/diff-color-moved-fix' 2018-08-15 15:08:22 -07:00
doc-diff Merge branch 'es/worktree-forced-ops-fix' 2018-09-17 13:53:59 -07:00
docbook-xsl.css
docbook.xsl
everyday.txto Documentation: fix linkgit references 2016-05-09 15:44:14 -07:00
fetch-options.txt Merge branch 'ab/fetch-tags-noclobber' 2018-09-17 13:54:00 -07:00
fix-texi.perl
git-add.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-am.txt Merge branch 'nd/rebase-show-current-patch' 2018-03-06 14:54:02 -08:00
git-annotate.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-apply.txt Merge branch 'nd/diff-apply-ita' 2018-06-25 13:22:36 -07:00
git-archimport.txt git-archimport.1: specify what kind of Arch we're talking about 2018-09-21 09:28:58 -07:00
git-archive.txt docs: clarify remote restrictions for git-upload-archive 2014-02-28 09:55:35 -08:00
git-bisect-lk2009.txt doc: fix ASCII art tab spacing 2018-10-23 12:23:09 +09:00
git-bisect.txt Merge branch 'ak/bisect-doc-typofix' 2018-04-25 13:28:56 +09:00
git-blame.txt diff: --indent-heuristic is no longer experimental 2017-11-02 14:51:24 +09:00
git-branch.txt Merge branch 'jk/branch-l-1-repurpose' 2018-09-17 13:53:50 -07:00
git-bundle.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-cat-file.txt cat-file: support "unordered" output for --batch-all-objects 2018-08-13 13:48:31 -07:00
git-check-attr.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-check-ignore.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-check-mailmap.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-check-ref-format.txt Doc/check-ref-format: clarify information about @{-N} syntax 2017-12-19 10:00:45 -08:00
git-checkout-index.txt
git-checkout.txt checkout: disambiguate dwim tracking branches and local files 2018-11-14 15:02:24 +09:00
git-cherry-pick.txt Merge branch 'mm/doc-tt' into maint 2016-07-28 11:25:54 -07:00
git-cherry.txt Documentation: revamp git-cherry(1) 2013-11-27 12:16:49 -08:00
git-citool.txt
git-clean.txt doc: typeset short command-line options as literal 2016-06-28 08:20:52 -07:00
git-clone.txt Merge branch 'nd/doc-header' 2018-05-23 14:38:22 +09:00
git-column.txt git-column.1: clarify initial description, provide examples 2018-09-21 09:32:15 -07:00
git-commit-graph.txt Doc: refer to the "commit-graph file" with dash 2018-09-27 15:29:12 -07:00
git-commit-tree.txt Merge branch 'mm/doc-tt' into maint 2016-07-28 11:25:54 -07:00
git-commit.txt commit: add support for --fixup <commit> -m"<extra message>" 2017-12-22 13:10:24 -08:00
git-config.txt worktree: add per-worktree config files 2018-10-22 13:17:04 +09:00
git-count-objects.txt count-objects: report alternates via verbose mode 2016-10-10 13:52:37 -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 Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-credential-store.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
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 Merge branch 'jk/doc-cvs-update' into maint 2016-10-03 13:22:25 -07:00
git-cvsserver.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-daemon.txt daemon: add --log-destination=(stderr|syslog|none) 2018-02-05 10:30:44 -08:00
git-describe.txt git-describe.1: clarify that "human readable" is also git-readable 2018-09-21 09:32:21 -07:00
git-diff-files.txt
git-diff-index.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-diff-tree.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-diff.txt doc: fix a typo and clarify a sentence 2018-10-11 09:39:15 +09:00
git-difftool.txt Document the --no-gui option in difftool 2017-02-08 13:30:28 -08:00
git-fast-export.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-fast-import.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-fetch-pack.txt Documentation: fix several one-character-off spelling errors 2018-04-09 14:15:02 +09:00
git-fetch.txt fetch: make the --prune-tags work with <url> 2018-02-09 13:10:13 -08:00
git-filter-branch.txt Merge branch 'nd/doc-header' 2018-05-23 14:38:22 +09:00
git-fmt-merge-msg.txt config.txt: move fmt-merge-msg-config.txt to config/ 2018-10-29 10:17:01 +09:00
git-for-each-ref.txt Merge branch 'jk/ui-color-always-to-auto' 2018-08-15 15:08:19 -07:00
git-format-patch.txt format-patch: allow --range-diff to apply to a lone-patch 2018-08-14 14:27:05 -07:00
git-fsck-objects.txt
git-fsck.txt fsck: verify commit-graph 2018-06-27 10:29:10 -07:00
git-gc.txt gc doc: mention the commit-graph in the intro 2018-10-11 15:40:27 +09:00
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 grep: add -r/--[no-]recursive 2018-10-03 21:25:57 -07:00
git-gui.txt doc: git-gui browser does not default to HEAD 2017-01-13 12:23:28 -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 Merge branch 'rv/alias-help' 2018-10-26 14:22:13 +09:00
git-http-backend.txt doc: more consistency in environment variables format 2016-06-08 12:04:37 -07:00
git-http-fetch.txt http-fetch: make -a standard behaviour 2018-04-24 10:55:02 +09:00
git-http-push.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-imap-send.txt git-imap-send.txt: move imap.* to a separate file 2018-10-29 10:17:02 +09:00
git-index-pack.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
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 init: document dotfiles exclusion on template copy 2017-02-17 15:57:21 -08:00
git-instaweb.txt doc: change configuration variables format 2016-06-08 12:04:55 -07:00
git-interpret-trailers.txt Merge branch 'jk/trailer-fixes' 2018-09-17 13:53:54 -07:00
git-log.txt git-[short]log.txt: unify quoted standalone -- 2018-04-18 12:49:26 +09:00
git-ls-files.txt Merge branch 'ah/misc-doc-updates' 2018-05-23 14:38:23 +09:00
git-ls-remote.txt Merge branch 'bw/server-options' 2018-05-23 14:38:15 +09:00
git-ls-tree.txt Documentation: improve description for core.quotePath 2017-03-02 11:40:51 -08:00
git-mailinfo.txt Merge branch 'va/mailinfo-doc-typofix' into maint 2016-05-26 13:17:14 -07:00
git-mailsplit.txt mailsplit: support unescaping mboxrd messages 2016-06-06 11:14:43 -07:00
git-merge-base.txt doc: fix ASCII art tab spacing 2018-10-23 12:23:09 +09:00
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 config.txt: move merge-config.txt to config/ 2018-10-29 10:17:03 +09:00
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: accept -g/--[no-]gui as arguments 2018-10-25 14:01:10 +09:00
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 Documentation: normalize spelling of 'normalised' 2018-04-09 14:15:07 +09:00
git-multi-pack-index.txt multi-pack-index: add 'verify' verb 2018-09-17 13:49:38 -07:00
git-mv.txt doc: typeset short command-line options as literal 2016-06-28 08:20:52 -07:00
git-name-rev.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-notes.txt Documentation: spelling and grammar fixes 2018-06-22 14:26:23 -07:00
git-p4.txt git-p4: fully support unshelving changelists 2018-10-16 13:28:49 +09:00
git-pack-objects.txt pack-objects: add delta-islands support 2018-08-16 10:51:17 -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 doc: remove unsupported parameter from patch-id 2017-07-28 14:41:32 -07:00
git-prune-packed.txt Documentation: adjust document title underlining 2014-10-13 13:35:18 -07:00
git-prune.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-pull.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-push.txt push doc: add spacing between two words 2018-09-19 12:43:50 -07:00
git-quiltimport.txt doc: more consistency in environment variables format 2016-06-08 12:04:37 -07:00
git-range-diff.txt range-diff: use dim/bold cues to improve dual color mode 2018-08-13 10:44:52 -07:00
git-read-tree.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-rebase.txt Merge branch 'nd/config-split' 2018-11-13 22:37:16 +09:00
git-receive-pack.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-reflog.txt reflog expire: cover reflog from all worktrees 2018-10-22 13:32:54 +09:00
git-remote-ext.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-remote-fd.txt Spelling fixes 2016-08-11 14:35:42 -07:00
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 'nd/remote-update-doc' 2018-06-04 21:39:49 +09:00
git-repack.txt Merge branch 'cc/delta-islands' 2018-09-17 13:53:55 -07:00
git-replace.txt replace: introduce --convert-graft-file 2018-04-30 11:12:30 +09:00
git-request-pull.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-rerere.txt rerere: add note about files with existing conflict markers 2018-08-29 09:03:29 -07:00
git-reset.txt reset: add new reset.quiet config setting 2018-10-24 11:57:07 +09:00
git-rev-list.txt rev-list: add list-objects filtering support 2017-11-22 14:11:57 +09:00
git-rev-parse.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-revert.txt doc: typeset long command-line options as literal 2016-06-28 08:36:45 -07:00
git-rm.txt treewide: correct several "up-to-date" to "up to date" 2017-08-23 12:17:22 -07:00
git-send-email.txt Merge branch 'jw/send-email-no-auth' 2018-11-06 15:50:20 +09:00
git-send-pack.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-sh-i18n--envsubst.txt
git-sh-i18n.txt
git-sh-setup.txt doc: more consistency in environment variables format 2016-06-08 12:04:37 -07:00
git-shell.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-shortlog.txt git-[short]log.txt: unify quoted standalone -- 2018-04-18 12:49:26 +09:00
git-show-branch.txt doc: fix small typo in git show-branch 2018-10-18 12:26:51 +09:00
git-show-index.txt show-index: update documentation for index v2 2018-05-29 00:28:22 +09:00
git-show-ref.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-show.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-stage.txt Documentation: adjust document title underlining 2014-10-13 13:35:18 -07:00
git-stash.txt git-stash.txt: remove extra square bracket 2018-03-27 19:09:13 -07:00
git-status.txt Documentation: spelling and grammar fixes 2018-06-22 14:26:23 -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 Merge branch 'pc/submodule-helper-foreach' 2018-06-25 13:22:35 -07:00
git-svn.txt Documentation: spelling and grammar fixes 2018-06-22 14:26:23 -07:00
git-symbolic-ref.txt git symbolic-ref --delete $symref 2012-10-21 12:17:38 -07:00
git-tag.txt doc: fix descripion for 'git tag --format' 2018-10-23 12:23:09 +09:00
git-tools.txt doc: replace or.cz gitwiki link with git.wiki.kernel.org 2017-04-20 22:05:37 -07:00
git-unpack-file.txt
git-unpack-objects.txt unpack-objects: add --max-input-size=<size> option 2016-08-24 12:31:05 -07:00
git-update-index.txt Merge branch 'jc/update-index-doc' 2018-08-20 11:33:50 -07:00
git-update-ref.txt Merge branch 'ah/doc-updates' 2018-10-30 15:43:47 +09:00
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 doc: fix inappropriate monospace formatting 2018-10-23 12:23:09 +09:00
git-var.txt doc: keep first level section header in upper case 2018-05-02 17:03:33 +09:00
git-verify-commit.txt Merge branch 'dn/gpg-doc' into maint 2016-07-06 13:06:36 -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 builtin/verify-tag: add --format to verify-tag 2017-01-17 16:10:22 -08:00
git-web--browse.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
git-whatchanged.txt whatchanged: document its historical nature 2013-08-13 09:01:54 -07:00
git-worktree.txt Merge branch 'nd/per-worktree-ref-iteration' 2018-11-13 22:37:26 +09:00
git-write-tree.txt
git.txt Merge branch 'ah/doc-updates' 2018-10-30 15:43:47 +09:00
gitattributes.txt doc: fix inappropriate monospace formatting 2018-10-23 12:23:09 +09:00
gitcli.txt Use proper syntax for replaceables in command docs 2018-05-25 17:16:47 +09:00
gitcore-tutorial.txt treewide: correct several "up-to-date" to "up to date" 2017-08-23 12:17:22 -07:00
gitcredentials.txt doc: clarify gitcredentials path component matching 2018-09-27 15:24:50 -07:00
gitcvs-migration.txt Merge branch 'sb/doc-unify-bottom' 2017-02-15 12:54:20 -08:00
gitdiffcore.txt docs/diffcore: unquote "Complete Rewrites" in headers 2017-02-28 11:34:38 -08:00
giteveryday.txt Documentation: spelling and grammar fixes 2018-06-22 14:26:23 -07:00
gitglossary.txt Documentation: unify bottom "part of git suite" lines 2017-02-09 15:14:01 -08:00
githooks.txt git-p4: add the p4-pre-submit hook 2018-08-01 13:37:18 -07:00
gitignore.txt Merge branch 'nd/wildmatch-double-asterisk' 2018-11-13 22:37:19 +09:00
gitk.txt doc: convert [\--] to [--] 2018-04-18 12:49:26 +09:00
gitmodules.txt doc: fix inappropriate monospace formatting 2018-10-23 12:23:09 +09:00
gitnamespaces.txt doc: mention transfer data leaks in more places 2016-11-14 11:23:07 -08:00
gitremote-helpers.txt Merge branch 'bw/protocol-v2' 2018-05-08 15:59:16 +09:00
gitrepository-layout.txt Merge branch 'nd/per-worktree-ref-iteration' 2018-11-13 22:37:26 +09:00
gitrevisions.txt push doc: correct lies about how push refspecs work 2018-08-31 14:04:06 -07:00
gitsubmodules.txt doc: fix inappropriate monospace formatting 2018-10-23 12:23:09 +09:00
gittutorial-2.txt Documentation: unify bottom "part of git suite" lines 2017-02-09 15:14:01 -08:00
gittutorial.txt treewide: correct several "up-to-date" to "up to date" 2017-08-23 12:17:22 -07:00
gitweb.conf.txt doc: fix indentation of listing blocks in gitweb.conf.txt 2018-10-23 12:23:09 +09:00
gitweb.txt doc: use https links to Wikipedia to avoid http redirects 2017-05-15 13:04:54 +09:00
gitworkflows.txt Merge branch 'km/doc-workflows-typofix' 2018-06-18 10:18:42 -07:00
glossary-content.txt Documentation: spelling and grammar fixes 2018-06-22 14:26:23 -07:00
howto-index.sh howto-index.sh: use the $( ... ) construct for command substitution 2014-04-17 11:14:57 -07:00
i18n.txt doc: camelCase the i18n config variables to improve readability 2017-07-17 15:11:26 -07:00
install-doc-quick.sh install-doc-quick: allow specifying what ref to install 2017-12-12 16:49:40 -08:00
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
lint-gitlink.perl ci: validate "linkgit:" in documentation 2016-05-10 11:15:04 -07:00
mailmap.txt Merge branch 'jk/mailmap-from-blob' 2013-01-05 23:41:42 -08:00
Makefile Update makefile in preparation for Documentation/config/*.txt 2018-10-29 10:16:59 +09:00
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-options.txt merge: allow fast-forward when merging a tracked tag 2018-02-16 11:22:43 -08:00
merge-strategies.txt merge: add merge.renames config setting 2018-05-08 16:19:41 +09:00
pretty-formats.txt gpg-interface.c: obtain primary key fingerprint as well 2018-10-23 08:00:43 +09:00
pretty-options.txt Merge branch 'tr/doc-tt' into maint 2016-07-06 13:06:34 -07:00
pull-fetch-param.txt fetch doc: correct grammar in --force docs 2018-09-20 09:40:03 -07:00
rev-list-options.txt Merge branch 'md/exclude-promisor-objects-fix' 2018-11-06 15:50:21 +09:00
revisions.txt Merge branch 'wc/find-commit-with-pattern-on-detached-head' 2018-07-24 14:50:49 -07:00
sequencer.txt
SubmittingPatches SubmittingPatches: mention doc-diff 2018-08-21 12:54:33 -07:00
texi.xsl Documentation: add XSLT to fix DocBook for Texinfo 2017-01-23 10:56:53 -08:00
transfer-data-leaks.txt doc: mention transfer data leaks in more places 2016-11-14 11:23:07 -08:00
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 docs: monospace listings in docbook output 2012-08-07 14:30:52 -07:00
user-manual.txt checkout: describe_detached_head: remove ellipsis after committish 2017-12-06 07:32:40 -08:00